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See detailÉVOLUTION DE LA TENEUR EN EAU LE LONG D’UNE TOPOSEQUENCE FORESTIERE ARGILO-LIMONEUSE
Deraedt, Deborah ULiege; Colinet, Gilles ULiege; Degré, Aurore ULiege

in Milieux Poreux et Transferts Hydriques (in press)

For the hydrological modeling of forested watersheds, the understanding of the forest hydrodynamic is essential. This study focusses on the hydrology of a Belgian forested plot with high stoniness and ... [more ▼]

For the hydrological modeling of forested watersheds, the understanding of the forest hydrodynamic is essential. This study focusses on the hydrology of a Belgian forested plot with high stoniness and steep slope. The soil water content is monitored at several positions on the toposequence and at different depth. During rain events, peak in soil water content are observed in different depth depending on the position along the toposequence. [less ▲]

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See detailQuelques réflexions méthodologiques sur les abandons de sanctuaires en Grèce antique
Palamidis, Alaya ULiege

in Revue de l'Histoire des Religions (in press)

Given the limited number of written sources about the disappearance of cults in ancient Greece, as well as the important difficulties raised by their interpretation, the study of this phenomenon is almost ... [more ▼]

Given the limited number of written sources about the disappearance of cults in ancient Greece, as well as the important difficulties raised by their interpretation, the study of this phenomenon is almost exclusively possible through the analysis of the information obtained from archaeological excavations. However, the identification of the abandonment of a sanctuary is often difficult, mainly because of the excavation conditions but also because of post-depositional processes that may cause a destruction of the upper stratigraphic layers. Moreover, the cult of an abandoned sanctuary can be transferred into a new sanctuary, so that the archaeological sources cannot be sufficient to attest the disappearance of a cult. [less ▲]

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See detailArrêt(s) sur image(s) : usages et pratiques du photogramme
Thonon, Jonathan ULiege

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (in press)

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See detailsynthéticité et intuition en mathématiques contemporaines : Kant au-delà de Kant
Mazurkiewicz, Stany ULiege

in Eikasia. Revista de Filosofia. (in press)

Ce texte entend réévaluer l'idée de "pure synthèse intellectuelle" que l'on trouve chez Kant. Celle-ci cadre avec la pratique mathématique et métamathématique postérieure à Kant. Elle permet de dépasser l ... [more ▼]

Ce texte entend réévaluer l'idée de "pure synthèse intellectuelle" que l'on trouve chez Kant. Celle-ci cadre avec la pratique mathématique et métamathématique postérieure à Kant. Elle permet de dépasser l'alternative entre l'intuitionnisme développé dans la Critique de la raison pure et la fondation de la mathématique sur une logique formelle analytique. Je montre que cette idée convient à Bolzano et à Dedekind, dont je soutiens que les projets sont irréductibles à du logicisme et qui sont dès lors bien plus "kantiens" qu'il n'y paraît. [less ▲]

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See detailMesurer les distances entre des textes pré-carolingiens linguistiquement non-normés: le cas de la Passion de sainte Marine
Goullet, Monique; Philippart de Foy, Caroline ULiege

in Etudes Classiques (Namur, Belgium) (in press)

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See detailTwo-loop-induced neutrino masses: A model-independent perspective
Aristizabal Sierra, Diego ULiege

in PoS - Proceedings of Science (in press)

We disucuss Majorana neutrino mass generation mechanisms at the two-loop order. After briefly reviewing the systematic classification of one-loop realizations, we then focus on a general two-loop ... [more ▼]

We disucuss Majorana neutrino mass generation mechanisms at the two-loop order. After briefly reviewing the systematic classification of one-loop realizations, we then focus on a general two-loop classification scheme which provides a model-independent catalog for neutrino mass models at the two-loop order [less ▲]

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See detailPaper Formats of the Mamluk Period: The Contribution of Mamluk Chancery Paper
Bauden, Frédéric ULiege

in Journal of Islamic Manuscripts (in press)

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See detailThe role of conservators: an international survey on conservation within contemporary art collections
D'Haenens, Manon ULiege

in CeROArt : Conservation, Exposition, Restauration d'Objets d'Art (in press)

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See detailEffect of antimicrobial drug on lung microbiota in healthy dogs.
Fastrès, Aline ULiege; Vangrinsven, Emilie ULiege; Tutunaru, Alexandru-Cosmin ULiege et al

in Journal of Veterinary Internal Medicine (in press)

In human and dogs, baseline differences in lung microbiota (LM) have been associated with important clinical features in chronic lung diseases (CLD) and there is growing evidence that an altered LM ... [more ▼]

In human and dogs, baseline differences in lung microbiota (LM) have been associated with important clinical features in chronic lung diseases (CLD) and there is growing evidence that an altered LM contributes to disease pathogenesis. The common use of antibiotic drugs throughout the management of CLD likely represents a major confounding factor in the study of the LM. However, the effect of antibiotic treatment on the LM in healthy individuals has not been specifically investigated yet. The aim of the present study was to assess the short and medium-term effect of an oral treatment with a large spectrum antimicrobial drug on the LM in healthy dogs. Six healthy experimental beagle dogs were included. Amoxycillin/clavulanic acid (AC) was administered at a dose of 20 mg/kg twice daily for 10 days. In each dog, bronchoalveolar lavage fluid (BALF) was collected at 3 different timepoints: before administration of AC (J0) and immediately (J10) as well as 16 days (J26) after interruption of AC. In each BALF, total and differentiated cell counts were obtained and metagenetic analyses were performed on the V1-V3 hypervariable region of 16S rDNA after total bacterial DNA extraction and sequencing on a MiSeq Illumina sequencer. Taxonomical assignation and microbiota community analysis were done with MOTHUR V1.35 with an OTU clustering distance of 0.03. Statistical comparisons between events for microbiota community and BALF cell counts were made using Friedman test and post-hoc t-tests with Bonferroni correction. Statistical differences in bacterial population relative abundance between timepoints were assessed using a mixed linear model with FDR correction for multiple comparisons. Administration of AC did not induce significant changes in BALF cellular counts and had no effect on the richness, evenness and alpha diversity. Bacteroidetes and Proteobacteria abundance increased from J0 to J10 (mean: 12.0 to 24.1, and 12.3 to 26.2%, respectively; p<0.001) and decreased at J26 (13.1 and 9.3%; p<0.001). Firmicutes abundance decreased from J0 to J10 (45.6 to 18.3%; p<0.001) and increased at J26 (28.8%; p<0.001). Actinobacteria abundance increased at J26, compared with J0 and J10 (43.7 compared with 23.2 and 23.5% respectively; p<0.001). We failed to show significant differences between timepoints at the level of genera and species. In conclusion, in healthy dog, oral administration of a commonly used large spectrum antimicrobial drug induces significant changes in microbial population abundance at the phyla level. Most but not all of these changes normalize within 2 weeks after discontinuation of the drug. [less ▲]

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See detailNeuro-functional correlates of the protective effects of exercise against cocaine sensitization and dopamine D2 receptors density: a [18F]Fallypride microPET study.
Becker, Guillaume ULiege; Lespine, Louis-Ferdinand ULiege; Serrano Navacerrada, Maria Elisa ULiege et al

in Molecular Imaging & Biology (in press)

Preclinical studies suggest that free access to a running wheel can attenuate behavioural effects of addictive drugs such as psychomotor sensitization to cocaine in rodents. This phenomenon has an ... [more ▼]

Preclinical studies suggest that free access to a running wheel can attenuate behavioural effects of addictive drugs such as psychomotor sensitization to cocaine in rodents. This phenomenon has an integral role in the process of drug addiction in craving and relapse (Steketee and Kalivas, 2011). Free wheel-running was recently shown to be efficacious at preventing the initiation or the long-term expression of psychomotor sensitization to cocaine in mice or rats (Diaz et al., 2013; Geuzaine and Tirelli, 2014). In the present study, we investigated the neuro-functional correlates of the protection against psychomotor sensitization to cocaine afforded by free wheel-running on dopaminergic neurotransmission, using microPET imaging with [18F]Fallypride, a Dopamine 2 receptor (D2R) antagonist. Sixty-four 28-day-old female C57BL/6J mice were randomly assigned to one of the two housing conditions, defined by the presence or the absence of a running wheel in the cage over a 6-week pre-testing period. Since mice from the two types of housing received either saline (controls) or cocaine (8 mg/kg, i.p.) during testing (9 once-daily sessions to establish sensitization plus 1 single session to test its expression), a basic 2x2 randomized blocks design was generated (2-way ANOVA and planned comparisons; n=10). Experimentation lasted 85 days, with a 42-day period of pre-testing and a 3-week interval preceding the test for long-term expression of sensitization (LTES). All mice underwent a microPET (Focus 120, Siemens) the day after the LTES. The microPET protocol consisted of a 60 min. dynamic acquisition after the injection of 10 MBq of [18F]Fallypride in the tail vein. Wheel-running strongly and significantly attenuated LTES (interaction) to cocaine (Cohen’s d=1.63; t(21)=3.75, p<.001) and cocaine-treated mice exhibited a clear-cut and significant increase (main effect) of the [18F]Fallypride BP (d=0.88, t(31)=2.45, p =.02). Wheel-running induced an overall moderate-sized decrease (main effect) of the [18F]Fallypride BP, but without achieving statistical significance (d=0.64, t(31)=1.79, p =.08). These findings suggest that LTES is associated with an increase of the [18F]Fallypride BP in the mouse striatum, probably reflecting an increase in postsynaptic D2R density in this region. Also, the protecting effect of free running on psychomotor sensitization goes together with a decrease in D2R density in the striatum of exercised mice. We intend to complement the present study with an identical experiment to reach a total number of 80 mice (n=20). This will confer to our study a sufficient power (80%) for the main effect of wheel-running exercise on [18F]Fallypride BP to be detected at an alpha-level of 5%. Finally, autoradiography studies, performed on the same mice with [18F]Fallypride, will strengthen our in vivo results. [less ▲]

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See detailDynamic simulation of a post-combustion CO2 capture pilot with assessment of solvent degradation
Benkoussas, Hana ULiege; Léonard, Grégoire ULiege; Ioana Burca, Madalina et al

in European Symposium on Computer Aided Process Engineering (in press)

To predict solvent degradation in an industrial CO2 capture process and for a better understanding of the interactions between solvent degradation and performance of the capture process, an existing ... [more ▼]

To predict solvent degradation in an industrial CO2 capture process and for a better understanding of the interactions between solvent degradation and performance of the capture process, an existing dynamic model of an amine based pilot plant for carbon capture has been improved and adapted at the University of Babes-Bolyai on the basis of the kinetic model of solvent oxidative degradation proposed at the University of Liège. The developed dynamic model has been used to simulate the transient behavior of the CO2 capture process with assessment of solvent degradation. [less ▲]

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See detailDealing with Coptic codices stratigraphy: two cases studies (Pierpont Morgan Library M578 and Coptic Museum, inv. 13446)
Carlig, Nathan ULiege

in Comparative Oriental Manuscript Studies Bulletin (in press)

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See detailShould we bank our sleep and clocks? How and why creating large multimodal databases
Vandewalle, Gilles ULiege

in Journal of Sleep Research (2018, September)

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See detailExperimental performance of a field of parabolic trough collectors for small-scale power generation
Dickes, Rémi ULiege; Dumont, Olivier ULiege; Thiebaut, Jérémie et al

in Proceedins of ECOS 2018 (2018, June 23)

The present work investigates the solar field performance of a pilot system installed at the University of Liège in Belgium. The system includes eight parabolic trough collectors connected in series (66m² ... [more ▼]

The present work investigates the solar field performance of a pilot system installed at the University of Liège in Belgium. The system includes eight parabolic trough collectors connected in series (66m² in total) and is aimed for small-scale power generation (2kWe) at low-temperature operation (150°C max.). The paper describes the test facility and presents experimental data gathered under various operating conditions. After posttreatment, the measurements are used to calibrate a deterministic model of the solar collectors. This model is used to better estimate the various sources of losses during the solar energy conversion and to investigate potential means of performance improvements. While the collection efficiency recorded experimentally does not exceed 30%, it is shown that an improvement of the tracking could raise this value to 65% and thus meet the design expectations. [less ▲]

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See detailHYALURONAN DERIVATIVE HYMOVIS® INCREASES CARTILAGE VOLUME AND TYPE II COLLAGEN TURNOVER IN OSTEOARHRITIC KNEE: DATA FROM MOKHA STUDY
Henrotin, Yves ULiege; Bannuru, R; Malaise, Michel ULiege et al

in Annals of the Rheumatic Diseases (2018, June), 77(supplement 2), 1614

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See detailEFFICACY OF BIO-OPTIMISED CURCUMA EXTRACT (FLEXOFYTOL®) FOR PAINFUL KNEE OSTEOARTHRITIS: DATA FROM COPRA, A MULTICENTER RANDOMISED CONTROLLED STUDY
Henrotin, Yves ULiege; Malaise, Michel ULiege; Wittoek, R et al

in Annals of the Rheumatic Diseases (2018, June), 77(supplement 2), 790

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See detailEx-vivo vasorelaxation induced by polyphenol-rich extracts from plant, fruits and berries on porcine coronary artery rings
Ebabe Elle, Etienne ULiege; Defraigne, Jean-Olivier ULiege; Schini-Kerth, Valérie et al

in Free Radical Biology & Medicine (2018, June), 120

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See detailModelling of three-phase four-wire low-voltage cables taking into account the neutral connection to the earth
Olivier, Frédéric ULiege; Fonteneau, Raphaël ULiege; Ernst, Damien ULiege

in Proc. of CIRED Workshop 2018 (2018, June)

Local energy communities (LECs) usually occur at the level of low-voltage distribution networks, which are inherently unbalanced due to single-phase household appliances and distributed generation. To ... [more ▼]

Local energy communities (LECs) usually occur at the level of low-voltage distribution networks, which are inherently unbalanced due to single-phase household appliances and distributed generation. To simulate and optimise the behaviour of an LEC, the three phases and neutral must be modelled explicitly. This paper aims at numerically assessing the influence of the modelling of the earth and the connection between the neutral and the earth, in terms of voltages and currents. The simulations are performed on an existing Belgian low-voltage feeder supplying 19 houses, which are all equipped with a smart meter measuring the mean voltage, current, and active and reactive power every minute for each phase. The simulations show that the explicit modelling of the earth using Carson's equations has a moderate effect on the simulation results. In particular, it creates differences in the simulations that are around ten-times smaller than the errors between simulations and measurements. [less ▲]

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See detailGLUCOSEPANE : A NEW BIOMARKER OF THE SEVERITY OF OSTEOARTHRITIS
Rabbani, N; Ahmed, U; Lambert, Cécile ULiege et al

in Annals of the Rheumatic Diseases (2018, June), 77(supplement 2), 181

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See detailTHE COLL2–1 PEPTIDE OF COLLAGEN TYPE II: A NEW ACTOR OF SYNOVITIS IN OSTEOARTHRITIS
Lambert, Cécile ULiege; Borderie, D; Rannou, F et al

in Annals of the Rheumatic Diseases (2018, June), 77(supplement 2), 890

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See detailProteomic analysis of osteoblasts secretome provides new insights in mechanisms underlying osteoarthritis subchondral bone sclerosis
Sanchez, Christelle ULiege; Mazzucchelli, Gabriel ULiege; Comblain, Fanny et al

in Annals of the Rheumatic Diseases (2018, June), 77(supplement 2), 894

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See detailGUT MICROBIOTA AND FAECAL LEVELS OF SHORT CHAIN FATTY ACIDS DIFFER UPON BLOOD PRESSURE LEVELS IN MAN
HUART, Justine ULiege; Leenders, Justine ULiege; Taminiau, Bernard ULiege et al

in Nephrology Dialysis Transplantation (2018, May 18), 33(Issue suppl_1), 368369

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See detailWeb Monitoring of Bee Health for Researchers and Beekeepers Based on the Internet of Things
Debauche, Olivier ULiege; El Moulat, Meryem; Mahmoudi, Saïd et al

in Procedia Computer Science (2018, April 24), 130

The Colony Collapse Disorder (CCD) also entitled ‘Colony Loss’ has a significant impact on the biodiversity, on the pollination of crops and on the profitability. The Internet of Things associated with ... [more ▼]

The Colony Collapse Disorder (CCD) also entitled ‘Colony Loss’ has a significant impact on the biodiversity, on the pollination of crops and on the profitability. The Internet of Things associated with cloud computing offers possibilities to collect and treat a wide range of data to monitor and follow the health status of the colon. The surveillance of the animals’ pollination by collecting data at large scale is an important issue in order to ensure their survival and pollination, which is mandatory for food production. Moreover, new network technologies like Low Power Wide Area (LPWAN) or 3GPP protocols and the appearance on the market easily programmable nodes allow to create, at low-cost, sensors and effectors for the Internet of Things. In this paper, we propose a technical solution easily replicable, based on accurate and affordable sensors and a cloud architecture to monitor and follow bees’ behavior. This solution provides a platform for researchers to better understand and measure the impacts factors which lead to the mass extinction of bees. The suggested model is also a digital and useful tool for beekeepers to better follow up with their beehives. It helps regularly inspect their hives to check the health of the colony. The massive collection of data opens new research for a better understanding of factors that influence the life of bees. [less ▲]

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See detailObservation and simulation of ethane (C2H6) at 23 FTIR sites
Mahieu, Emmanuel ULiege; Franco, B.; Pozzer, A. et al

in Geophysical Research Abstracts (2018, April 11), 20

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See detailAttempting to retrieve peroxyacetyl nitrate from ground-based infrared solar spectra
Mahieu, Emmanuel ULiege; Fischer, Emily V.; Tzompa-Sosa, Zitely A. et al

in Geophysical Research Abstracts (2018, April 09), 20

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See detailThe 4-m International Liquid Mirror Telescope
Surdej, Jean ULiege; Hickson, P.; Borra, H. et al

in Bulletin de la Société Royale des Sciences de Liège (2018, April 01), 87

The 4-m International Liquid Mirror Telescope (ILMT) is presently (March-June 2017) being erected on the ARIES site in Devasthal (Uttarakhand). We describe and illustrate in the present paper its ... [more ▼]

The 4-m International Liquid Mirror Telescope (ILMT) is presently (March-June 2017) being erected on the ARIES site in Devasthal (Uttarakhand). We describe and illustrate in the present paper its different components. The ILMT will be used in the Time Delayed Integration (TDI) mode to carry out a deep survey and high S/N photometric and astrometric observations of solar system, galactic and extra-galactic objects within a narrow (24') strip of sky. In principle, the ILMT should detect and regularly monitor more than 50 multiply imaged quasars. It will also detect numerous supernovae (see Kumar et al., these proceedings) as well as space debris (see Pradhan et al., also in these proceedings). [less ▲]

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See detailProceedings of the 1st BINA workshop: Instrumentation and Science with the 3.6-m DOT and 4-m ILMT telescopes
De Cat, P.; Surdej, Jean ULiege; Omar, A. et al

in Bulletin de la Société Royale des Sciences de Liège (2018, April 01), 87

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See detailThe multi-messenger approach to particle acceleration by massive stars: a science case for optical, radio and X-ray observatories
De Becker, Michaël ULiege

in Bulletin de la Société Royale des Sciences de Liège (2018, April 01), 87

Massive stars are extreme stellar objects whose properties allow for the study of some interesting physical processes, including particle acceleration up to relativistic velocities. In particular, the ... [more ▼]

Massive stars are extreme stellar objects whose properties allow for the study of some interesting physical processes, including particle acceleration up to relativistic velocities. In particular, the collisions of massive star winds in binary systems lead notably to acceleration of electrons involved in synchrotron emission, hence their identification as non-thermal radio emitters. This has been demonstrated for about 40 objects so far. The relativistic electrons are also expected to produce non-thermal high-energy radiation through inverse Compton scattering. This class of objects permits thus to investigate non-thermal physics through observations in the radio and high energy spectral domains. However, the binary nature of these sources introduces some stringent requirements to adequately interpret their behavior and model non-thermal processes. In particular, these objects are well-established variable stellar sources on the orbital time-scale. The stellar and orbital parameters need to be determined, and this is notably achieved through studies in the optical domain. The combination of observations in the visible domain (including e.g. 3.6-m DOT) with radio measurements using notably GMRT and X-ray observations constitutes thus a promising strategy to investigate particle-accelerating colliding-wind binaries in the forthcoming decade. [less ▲]

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See detailCHRONIC TENDINOPATHIES AND PLATELET-RICH PLASMA TREATMENT: HOW TO IMPROVE THE EFFICIENCY?
Kaux, Jean-François ULiege; Emonds-Alt, Thibault ULiege

in Osteoporosis International (2018, April), 29(Supplement 1), 380-381

Introduction: Platelet-rich plasma (PRP) is blood plasma with a high concentration of autologous platelets which constitute an immense reservoir of growth factors. The clinical use of PRP is widespread in ... [more ▼]

Introduction: Platelet-rich plasma (PRP) is blood plasma with a high concentration of autologous platelets which constitute an immense reservoir of growth factors. The clinical use of PRP is widespread in various medical applications. Although highly popular with athletes, the use of PRP for the treatment of tendinopathies remains scientifically controversial, particularly due to the diversity of products that go by the name of “PRP”. This may partly explain the disparity of results obtained in the literature. Purpose: The objective of this study was to evaluate the similarities and differences between the variety of PRP formulations, preparation, and uses of this techniques in literature and to try to determine characteristics of the PRP which tend to give the best responses for the treatment of knee osteoarthritis. Methods: In a literature review, we take a closer look at eight parameters which may influence the quality of PRP: 1) anticoagulants used to preserve the best platelet function, 2) the speed of centrifugation used to extract the platelets, 3) the platelet concentrations obtained, 4) the impact of the concentration of red and while blood cells on PRP actions, 5) platelet activators encouraging platelet degranulation and, hence, the release of growth factors, and 6) the use or nonuse of local anesthetics when carrying out infiltration. In addition to these parameters, it may be interesting to analyze other variables such as 7) the use of ultrasound guidance during the injection with a view to determining the influence they have on potential recovery. Results: Analysis of the 59 studies shows that a majority use ACDA as an anticoagulant during sampling. A platelet activator (calcium chloride) is only used in a few studies. However, the best results have been obtained in studies which use no platelet activator. In terms of the speed of centrifugation, analysis of all these studies appears to confirm the existence of a great number of protocols in the literature. It is difficult to draw any conclusions when these different variables are unknown (volume of initial sample, equipment used to obtain the PRP). Currently, no studies have been carried out neither on the use of a “buffer” product to neutralize the acidity caused by the anticoagulant nor on the optimal volume of PRP to be injected. Although it would appear inadvisable to administer a local anesthetic because the anesthetic may reduce the local pH and lead to the inhibition, reduction, or absence of platelet degranulation, the literature shows that the majority use a local anesthetic. They do not, however, obtain better results than those not using a local anesthetic. Finally, it appears to be advisable to carry out infiltration under ultrasound guidance, even if PRP diffusion is observed after injection. This all aims to show that there is still a need for high quality studies, with standardized collection protocols and the use of PRP in the context of tendinopathies, in order to better scientifically understand the real effectiveness. Conclusion: There is a lack of standardization in PRP preparation technique for chronic tendinopathies. However, our study helped identify features of PRP recommended a platelet concentration lower than 5 times the baseline (from 3 to 4), and avoiding leukocytes and erythrocytes. We recommend leveraging this information about PRP for future studies. [less ▲]

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See detailKNEE OSTEOARTHRITIS AND PLATELET-RICH PLASMA TREATMENT: HOW TO IMPROVE THE EFFICIENCY?
MILANTS, Christophe ULiege; Bruyère, Olivier ULiege; Kaux, Jean-François ULiege

in Osteoporosis International (2018, April), 29(Supplement 1), 380

Introduction: Knee osteoarthritis (OA) is one of the major causes of pain and physical disability in older sportsmen. The management of chondral disease is challenging because of its inherent low healing ... [more ▼]

Introduction: Knee osteoarthritis (OA) is one of the major causes of pain and physical disability in older sportsmen. The management of chondral disease is challenging because of its inherent low healing potential. New studies have focused on modern therapeutic methods that stimulate cartilage healing process and improve the damage, including the use of platelet-rich plasma (PRP), an autologous growth factor treatment. PRP is prepared from autologous blood by centrifugation to obtain a highly concentrated sample of platelets, which is four to five times higher than that of normal blood. Many papers were published on PRP for knee OA, including a lot of randomized controlled trials (RCTs) and different systematic reviews. Due to the mixed results from controlled studies, the clinical efficacy of PRP in the treatment of knee OA is unclear with shortcomings in the current literature. Purpose: The objective of this study was to evaluate the similarities and differences between the variety of PRP formulations, preparation, and uses of this techniques in literature and to try to determine characteristics of the PRP which tend to give the best responses for the treatment of knee osteoarthritis.. Methods: A comparison of the outcomes of randomized controlled trials (RCTs) included in the 3 most recent and high-quality metaanalyses to classify the different studies in 2 groups (bad responders group (BRG) and very good responders group (VGRG)). The minimal clinically important improvement (MCII) was defined to help determining whether an observed difference is clinically important. We used MCII values to classify the different studies in 2 groups depending on the outcomes: BRG < MCII and VGRG > 2xMCII. Results: From the 19 RCTs analyzed, 7 trials were included in the VGRG and 4 in the BRG. In VGRG, 1 or 2 injections were performed in 4/7 trials, time between injections was 2 to 3 weeks in 4/5 studies with many injections, volume injected varied from 2.5 to 8 mL, and single spinning technique was used in 5/7 studies. PRP classification was Mishra 4B and PAWP2Bβ in 5/7 studies. The use of PRP with leukocytes is only found in the BRG. Conclusion: There is a lack of standardization in PRP preparation technique for knee osteoarthritis. However, our study helped identify features of PRP recommended for knee OA treatment, such as the use of a single spinning technique, a platelet concentration lower than 5 times the baseline (from 3 to 4), and avoiding leukocytes and erythrocytes. We recommend leveraging this information about PRP for future studies. [less ▲]

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See detailOwn attitude regarding aging among nursing home residents: results of the Senior cohort.
Buckinx, Fanny ULiege; Charles, Alexia ULiege; Rygaert, X. et al

in Osteoporosis International (2018, April), 29 S1

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See detailImpact of the frailty status on the cost of drugs consumed in nursing homes: results froim the Senior cohort.
Buckinx, Fanny ULiege; Charles, Alexia ULiege; Quabron, A. et al

in Osteoporosis International (2018, April), 29 S1

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See detailThe polish validation of the Sarquol®, a quality of life questionnaire specific for sarcopenia: the evidence of a good utility.
Konstantynowicz, J.; Abramowicz, P.; Glinkowski, W. et al

in Osteoporosis International (2018, April), 29 S1

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See detailStatins and incident knee osteoarthritis: results from the osteoarthritis initiative.
Veronese, N.; Maggi, S.; Cooper, C. et al

in Osteoporosis International (2018, April), 29 S1

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See detailDeterminants of clinical and radiological progression of hand osteoarthritis over 2 years.
Neuprez, Audrey ULiege; Neuprez, Arnaud ULiege; Maheu, E. et al

in Osteoporosis International (2018, April), 29 S1

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See detailAbaloparatide for risk reduction of non-vertebral fractures in postmenopausal women with osteoporosis: an updated network meta-analysis.
Reginster, Jean-Yves ULiege; Bianic, F.; Campbell, R. et al

in Osteoporosis International (2018, April), 29 S1

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See detailCost-effectiveness of abaloparatide for the treatment of postmenopausal women with osteoporosis.
Hiligsmann, M.; Williams, S.A.; Fitzpatrick, L.A. et al

in Osteoporosis International (2018, April), 29 S1

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See detailEvaluation of the responsiveness of the SARQOL® questionnaire: results from the SarcoPhAge study.
GEERINCK, Anton ULiege; Bruyère, Olivier ULiege; Locquet, Médéa ULiege et al

in Osteoporosis International (2018, April), 29 S1

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See detailAssociation between dietary nutrient intake and sarcopenia: the SarcoPhAge cohort study.
Beaudart, Charlotte ULiege; Locquet, Médéa ULiege; Touvier, M. et al

in Osteoporosis International (2018, April), 29 S1

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See detailDynamic approach of the frailty status in nursing homes: 2-year prospective follow-up of the Senior cohort.
Buckinx, Fanny ULiege; Charles, Alexia ULiege; Rygaert, X. et al

in Osteoporosis International (2018, April), 29 S1

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See detailSafety of anti-osteoarthtritis medications: results of ESCEO 2017 working groups.
Reginster, Jean-Yves ULiege

in Osteoporosis International (2018, April), 29 S1

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See detailPro-inflammatory dietary pattern is associated with fractures in women: an eight year longitudinal cohort study.
Veronese, N.; Shivappa, N.; Hebert, J. et al

in Osteoporosis International (2018, April), 29 S1

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See detailDairy products in the prevention and treatment of sarcopenia: outcomes of the ESCEO working groups.
Reginster, Jean-Yves ULiege

in Osteoporosis International (2018, April), 29 S1

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See detailA new decision tree for diagnosis and management of osteoarthritis in primary care: international consensus of experts.
Rannou, F.; Martel-Pelletier, J.; Pelletier, J. et al

in Osteoporosis International (2018, April), 29 S1

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See detailA 24 months prospective, randomized, double-blind study to assess the effect of daily oral administration of 2g of strontium ranelate vs placebp on BMD in postmenpausal.
Felsenberg, D.; Chapurlat, R.; Rizzoli, R et al

in Osteoporosis International (2018, April), 29 S1

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See detailReview of terminology of measurement properties for patient-reported outcomes measures.
Rabenda, Véronique ULiege; Leclercq, Victoria ULiege; Reginster, Jean-Yves ULiege et al

in Osteoporosis International (2018, April), 29 S1

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See detailEE joint replacement in patients with knee osteoarthritis: a long tem follow-up study in patients of the CL3-12911-018 study.
Cooper, C.; Reginster, Jean-Yves ULiege; Belissa-Mathiot, P.

in Osteoporosis International (2018, April), 29 S1

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See detailPatient’s engagement in the identification of critical outcomes in sarcopenia.
Beaudart, Charlotte ULiege; Bruyère, Olivier ULiege; Reginster, Jean-Yves ULiege et al

in Osteoporosis International (2018, April), 29 S1

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See detailCost-effectiveness of sequential treatment with abaloparatide vs. teriparatide for the prevention of osteoporotic fractures in postmenopausal women at increased risk of fracture.
Hiligsmann, M.; Williams, S.A.; Fitzpatrick, L.A. et al

in Osteoporosis International (2018, April), 29 S1

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See detailReassessment of the safety of anti-osteoarthritis medications.
Bruyère, Olivier ULiege; Curtis, E.; Honvo, Germain ULiege et al

in Osteoporosis International (2018, April), 29 S1

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See detailAGN1 local osteo-enhancement procedure (LOEP): an emerging, minimally-invasive surgical treatment to address osteoporosis-related bone loss in proximal femurs.
Ferrari, S.; McCloskey, E.; Bouxsein, M. et al

in Osteoporosis International (2018, April), 29 S1

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See detailDoes urban flood resilience compete with sustainable urban planning as a whole?
Bruwier, Martin ULiege; Mustafa, Ahmed Mohamed El Saeid ULiege; Archambeau, Pierre ULiege et al

in Geophysical Research Abstracts (2018, April), 20

Sustainable urban planning aims at designing the urban fabric so that it meets the needs of an expanding urban population, while synergistically addressing a number of environmental objectives such as ... [more ▼]

Sustainable urban planning aims at designing the urban fabric so that it meets the needs of an expanding urban population, while synergistically addressing a number of environmental objectives such as transport, energy and resource efficiency. Urban densification is a key concept in sustainable urban planning, as it contributes to reduce pressure on environmentally sensitive lands and it makes several services more efficient, including water and energy supply. Similarly, at a local level, intervening spaces in-between buildings should be minimized to enhance heating efficiency. In this communication, we will report on two recent studies focusing on urban flood resilience. Both of them suggest that flood-resilient urban design tends to conflict with the two aforementioned aspects of sustainable urban development. The first study was conducted at the regional level, covering the whole Walloon Region in Belgium (17,000 km2). First, an original agent-based model was used to generate multiple urbanization scenarios with contrasting assumptions on spatial planning policies: urban expansion (sprawl) vs. urban densification, various degrees of ban on new developments in flood-prone areas . . . Next, flood damage modelling was performed along over 1,300 km of river. The results show that the urban densification scenarios lead to systematically higher flood risk estimates, since they promote new developments in the vicinity of existing urban areas mainly located in the lower parts of the river valleys. In a second study, conducted at the district level, we investigated how inundation severity is affected by the arrangement of buildings in floodplains . A set of 2,000 building layouts were synthetized using procedural modelling (Bruwier et al., 2018). Each building layout is characterized by a set of parameters such as the typical street widths, building size . . . Next, the flow characteristics (water depth, flow velocity) were computed for each building layout considering the same flooding scenario. An original porosity-based model was set up for this purpose (Bruwier et al., 2017). The findings of the study reveal that increasing the separation space in-between buildings tends to improve flood-resilience at the district level, thanks to an increased flow conveyance across the urban area. At first sight, the conclusions inferred from the two studies focusing on flood-resilience only (higher future flood risk due to urban densification, benefit of keeping intervening space in-between buildings) seem to diverge from general good-practice in sustainable urban planning. We intend to use this provocative statement to foster discussion with the audience on issues such as: “How can more integrated approaches mitigate such apparent contradictions?”, “How to best modulate sustainable urban planning principles to accommodate urban flood resilience?” [less ▲]

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See detailA Prospective Audit of Acute ENT Activity in a Teaching Hospital.
Goffinet, Maxime ULiege; ATTA, Lucas; Delrez, Sophie ULiege et al

in B-ENT (2018, March 03)

Introduction and aim: Acute ENT coverage is available out-of-hours in most hospitals. However, increasing pressure to reduce healthcare cost threatens this service provision round the clock. Our goal was ... [more ▼]

Introduction and aim: Acute ENT coverage is available out-of-hours in most hospitals. However, increasing pressure to reduce healthcare cost threatens this service provision round the clock. Our goal was to audit the emergency ENT activity in our institution over a one-month period Material and methods: a prospective audit for all ENT referrals from the emergency department was carried out from May 1st to May 31th 2017. Descriptive statistics were produced for age, sex, origin, time of arrival, diagnosis and patient outcome. Results: a total of 190 patients (109 men and 81 women) were referred to the ENT emergency service over the study period (mean 6.1 case per day). Mean age was 47.9 (±23.6)year (range 1-95). Most patients were ambulatory (75.8%) and came from the area. Most admissions occurred during normal working hours (76.4%) and 62.0% patients came by self reference. The mean complaint duration before admission was 7.6 (±13.7) days (range 0-92 days). One third (33.2% patients) required ambulatory treatment. A quarter (24.7% patients) underwent a minor ENT procedure. Eighteen (9.5%) patients required admission to the ward (mostly for intravenous antibiotic). Eight patients (4.2%) required surgical treatment. There was no difference in the severity of diagnosis or management between patients referred by a physician (GP of specialist) and patients presenting spontaneously. At 30 days, 3 (1.6%) patients died (one of ENT cancer, two of unrelated cause), 106 (55.8%) benefited from an ENT follow’up, 65 (34.2%) were referred to another physician (GP or specialist), 16 (8.4%) were lost to follow’up. Conclusions: The workload suggests that emergency ENT activity is justified in our hospital. Restricting emergency ENT cover to patients referred by a GP or another physician would not allow for a better patient selection. [less ▲]

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See detailPost-irradiated Carotid Blowout Syndrome in patients with Nasopharyngeal Tumor: about 3 cases
DETROUX, Valentine ULiege; GOFFART, Yves; COLLIGNON, Laurent et al

in B-ENT (2018, March)

Introduction Rupture of the internal carotid artery (Carotid blowout syndrome) is a rare complication of irradiated nasopharyngeal tumor. We report three cases nasopharyngeal tumors treated with ... [more ▼]

Introduction Rupture of the internal carotid artery (Carotid blowout syndrome) is a rare complication of irradiated nasopharyngeal tumor. We report three cases nasopharyngeal tumors treated with radiotherapy complicated with bleeding of the internal carotid artery presenting as a massive epistaxis. Case Series The first case presented a few episodes of small nose bleeding before a massive one. Internal carotid embolisation was performed to stop the bleeding. Unfortunately, few month later, he presented a meningitis related to skull base osteoradionecrosis and died from sceptic shock. The second case was transferred to our hospital with severe repetitive epistaxis that had been occurring for hours. No endovascular treatment was possible in his case and he died in intensive care unitthe dayof his admission. The thrid case presented one massive epistaxis which stopped without any treatment or compression. A spontaneous occlusion of his internal carotid artery occured without any neurological defects. He recently benefited from a nasopharyngeal muscle flap for the coverage of the carotid artery. These three patients all presented with a history of nasopharyngeal tumor handled by radiotherapy. Pathogenesis, treatment, and outcome are discussed on the light of a comprehensive literature review. Conclusions Carotid blowout syndrome secondary to radiation therapy is rare but life-threatening. Re-irradiation and skull base osteoradionecrosis are strong predisposing factors. [less ▲]

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See detailComparaison entre infiltrations de plasma riche en plaquettes et d’acide hyaluronique pour le traitement des tendinopathies patellaires
Kaux, Jean-François ULiege; Roberjot, Mathieu; Samson, Antoine

in Journal de Traumatologie du Sport (2018, March), 35(1), 63

Introduction : Le traitement des tendinopathies patellaires reste difficile. C’est la raison pour laquelle de nouveaux traitements ont été développés, parmi lesquels les injections de plasma riche en ... [more ▼]

Introduction : Le traitement des tendinopathies patellaires reste difficile. C’est la raison pour laquelle de nouveaux traitements ont été développés, parmi lesquels les injections de plasma riche en plaquettes (PRP) ou d’acide hyaluronique (AH). Certaines séries cliniques ont précédemment évalué l’effet du PRP dans le traitement des tendinopathies patellaires proximales. Une revue systématique récente a conclu que les PRP pouvait être recommandé comme traitement dans cette indication. Récemment, l’AH en injection a été proposé comme traitement des tendinopathies. Certaines études fondamentales montrent des résultats encourageants sur la capacité de l’AH à promouvoir le glissement du tendon, de réduire les adhérences et améliorer son organisation architecturale. Quelques observations cliniques confirment également son impact sur la douleur et la fonction de patients avec tendinopathies. Méthodes : Trente-trois sportifs avec tendinopathies patellaires proximales non soulagés après plus de trois mois de traitements rééducatif classique ont été inclus dans l’étude. Dix-huit d'entre eux (groupe 1) ont reçu une injection de PRP pauvre en leucocytes (obtenu à l’aide d’un appareil d’aphérèse) et 15 autres sujets (groupe 2) ont bénéficié de 2 injections d’AH à 1 semaine d’intervalle; les 2 groupes ont bénéficié d’une rééducation standardisée post-infiltration. Concernant le suivi de la pathologie, une évaluation de la douleur par une échelle visuelle analogique (EVA), des scores algo-fonctionnels (IKDC, VISA-P), un algomètre de pression, un test isocinétique (associé à une EVA)) ainsi qu’une échographie du tendon patellaire (US) ont été réalisés à 3 reprises (avant injection, après 6 semaines, 3 mois après les injections). Résultats : Les résultats de l’EVA (p < 0,01), de l’algomètre de pression (p < 0,01), les scores IKDC (p < 0,01) et VISA-P (p < 0,01) montrent une amélioration significative dans les deux groupes, mais pas pour les résultats US. Pour le groupe 1, les tests isocinétiques montrent des résultats significatifs pour les ischio-jambiers à C60 °/ s, avec une amélioration de son couple de pointe maximale (p = 0, 01) pour le membre pathologique et une amélioration des différences bilatérales (p = 0,0002). Pour le groupe 2, l’amélioration du couple de pointe maximale du quadriceps à C240 ° /s est significative (p < 0,01) pour le genou pathologique après les injections après 6 semaines seulement. L’EVA associé aux tests isocinétiques diminue considérablement pour tous les modes de contraction au terme des trois mois d’études. Conclusions : Les infiltrations de PRP et d’HA peuvent toutes les 2 améliorer les symptômes de tendinopathie patellaire proximale, même si les résultats sont légèrement meilleurs au sein du groupe PRP. [less ▲]

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See detailAdaptation interculturelle du questionnaire Kujala Anterior Knee Pain Scale pour les patients francophones
Kaux, Jean-François ULiege; Buckinx, Fanny ULiege; Bornheim, Stephen ULiege et al

in Journal de Traumatologie du Sport (2018, March), 35(1), 62

Introduction : Le syndrome fémoro-patellaire est l'un des problèmes du genou les plus fréquemment rencontrés. Il se caractérise par une douleur antérieure du genou dans les activités mettant en charge l ... [more ▼]

Introduction : Le syndrome fémoro-patellaire est l'un des problèmes du genou les plus fréquemment rencontrés. Il se caractérise par une douleur antérieure du genou dans les activités mettant en charge l'articulation fémoro-patellaire. Le Kujala Anterior Knee Pain Scale (Kujala AKPS) est un questionnaire utilisé pour évaluer les symptômes subjectifs, telles que les limitations fonctionnelles et la douleur antérieure du genou. Le questionnaire a déjà été traduit et validé en turc, en portugais brésilien, en persan, en chinois, et en néerlandais. Le but de cette étude est de traduire ce questionnaire en français afin d'en évaluer sa fiabilité et sa validité. Matériel et méthode : La traduction et l’adaptation interculturelle du questionnaire ont été réalisées selon les recommandations internationales comprenant 6 étapes : traduction initiale, synthèse des traductions, traduction de retour vers la langue d’origine, comité d'experts, test de la version pré-finale et approbation du comité d'experts. Une fois la version française obtenue, les participants (n=101) ont rempli 2 fois le Kujula AKPS à un intervalle de 7 jours, et le Short Form Health Survey (SF-36) afin d'en évaluer les propriétés psychométriques (la cohérence interne, la fidélité test-retest et la validité de construit). Résultats : Le Kujula AKPS montre une fidélité test-retest élevée pour le score total (ICC 0,97). La traduction française possède une cohérence interne élevée (0,87). Le Kujula AKPS possède une corrélation forte avec une partie des sous-échelles convergentes du SF-36 (PF, RP et BP). Il y a une corrélation faible ou modérée avec les sous-échelles divergentes du SF-36 (MH, SF et VT). Il n’y a pas d’effet plancher et plafond. Conclusion : La version française du questionnaire Kujula AKPS étant facilement compréhensible, elle semble avoir une bonne adaptation interculturelle. Cette étude a démontré que le Kujula AKPSF est fiable et valide pour les patients francophones souffrant d'un syndrome rotulien. [less ▲]

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See detailTraduction et validation du Exercise-Induced Leg Pain, questionnaire pour les patients francophones
Kaux, Jean-François ULiege; Hagelstein, Thibaut; Van Beveren, Julien et al

in Journal de Traumatologie du Sport (2018, March), 35(1), 62-63

Contexte : L’EILP-G a été développé afin d’évaluer la sévérité des symptômes affectant la fonction physique et les capacités sportives chez des patients présentant des douleurs de jambe à l’effort. Le ... [more ▼]

Contexte : L’EILP-G a été développé afin d’évaluer la sévérité des symptômes affectant la fonction physique et les capacités sportives chez des patients présentant des douleurs de jambe à l’effort. Le questionnaire a déjà été traduit en anglais et en grec. Objectifs : Le but de cette étude est de traduire et de réaliser une adaptation interculturelle du questionnaire EILP-G en français ainsi que d’en évaluer ses propriétés psychométriques. Matériel et Méthode : Le processus de traduction et d’adaptation interculturelle de l’exercise-induced leg pain questionnaire for German-speaking patients (EILP-G) a été guidé par les recommandations internationales d’adaptation interculturelle de questionnaires mesurant l’état de santé. Six étapes ont été respectées : (1) traduction française initiale, (2) synthèse de traduction française, (3) traduction inverse allemande, (4) comité d’expert, (5) test de la version pré-finale, (6) approbation du comité d’expert. 84 sujets furent recrutés et répartis en 3 groupes afin de tester l’EILP-FR : un groupe de sujets pathologiques (n=28), des sportifs à risque de développer ce type de pathologie (n=28) et des étudiants en sciences de la motricité asymptomatiques (n=28). Tous les sujets (n=84) ont rempli le questionnaire français à deux reprises avec un intervalle de 7 à 10 jours, parallèlement au Short Form Health Survey (SF-36) afin de pouvoir évaluer la fiabilité et la validité de l’EILP-FR. Résultats : L’EILP-FR indique une fidélité test-retest très bonne concernant le score total (ICC 0,96). Il en va de même pour le score total de chaque sous-groupe (ICC 0,88-0,94) ainsi que pour chaque item (0,75-0,92). Le questionnaire français présente une cohérence interne élevée (0,93). La corrélation entre l’EILP-FR et le SF-36 est modérée pour le score total (0,51;p<0.001). Une corrélation forte se présente entre le questionnaire et une partie des sous-échelles convergentes du SF-36 (PF, RP et BP ; chaque p<0.001). Les sous-échelles divergentes évaluant les propriétés psychologiques du SF-36 présentent toutes une corrélation faible et statistiquement non-significatives (RE, SF, VT), excepté MH (p<0.05). Aucun effet plancher ou plafond n’a été détecté. Conclusion : La version française, adaptée de la version originale EILP-G, a été traduite et adaptée interculturellement avec succès. L’EILP-FR est un questionnaire fiable et valide pour évaluer les patients francophones souffrant de douleurs chroniques de jambe à l’effort. [less ▲]

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See detailStunted growth and alopecia totalis: A case report
Boodhoo, Fadil Mohammud ULiege; BARREA, Christophe ULiege; Lombet, Jacques ULiege et al

in Belgian Journal of Paediatrics (2018, March), 20(1),

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See detailCloud architecture for digital phenotyping and automation
Debauche, Olivier ULiege; Mahmoudi, Saïd; Manneback, Pierre et al

in IEEE Cloud Computing (2018, February 08)

Digital phenotyping presents a very important tool for scientists to measure with high accuracy the effects of external phenomena on plant development. Plant phenotyping is mainly based on imaging ... [more ▼]

Digital phenotyping presents a very important tool for scientists to measure with high accuracy the effects of external phenomena on plant development. Plant phenotyping is mainly based on imaging techniques. However, the number of images and parameters used to store and treat these parameters are continuously growing. Consequently, the high-throughput of data and the need of specific treatment in real or near real-time requires a large quantity of resources. Moreover, the increasing amount of particular phenotyping case studies needs the development of specific application. Cloud architectures offers means to store a wide range of numerous data and host a large quantity of specific software to process these data. In this paper, we propose to match digital phenotyping need and cloud possibilities in a lambda cloud architecture in order to store and treat this important amount of data. We also propose a data platform allowing to host applications and access to the stored data within the lambda architecture. The present application platform allows to use several frameworks with a fine-grained resource use of the cluster. We develop then a case study in a controlled environment system (growth chamber) where we grow basil plants. [less ▲]

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See detailMise en place d’un protocole de mesure de force musculaire des membres inférieurs à l’aide d’un pèse-personne
Liégeois, Kenny; Tubez, François ULiege

in Kinésithérapie Revue (2018, February 08), 18(194), 42-43

Objectif L’objectif de cette étude est de proposer le pèse-personne (Fig. 1) comme une alternative d’évaluation de la force musculaire des membres inférieurs. Pour ce faire, nous tentons de démontrer la ... [more ▼]

Objectif L’objectif de cette étude est de proposer le pèse-personne (Fig. 1) comme une alternative d’évaluation de la force musculaire des membres inférieurs. Pour ce faire, nous tentons de démontrer la répétabilité du protocole. Méthodologie L’étude porte sur vingt-neuf sujets âgés de 18 à 26 ans et étudiants en kinésithérapie. Les mesures ont été réalisées grâce à un pèse-personne digital placé sur un support attaché sur un espalier. Les positions d’évaluation sont au nombre de quatre, deux pour chaque groupe musculaire ; une en course interne et l’autre en course externe. La répétabilité de l’outil est évaluée et analysée grâce à un test Anova pour la comparaison des essais à un même temps, et pour la comparaison des valeurs à J0 et J7, nous avons utilisé le test de Pearson. Résultats Les 29 sujets ont terminé l’étude. La répétabilité de l’outil et du protocole mis en place a montré une forte corrélation ; avec un coefficient de corrélation intraclasse entre 0,90-0,98 (P-value < 0,05). Ensuite, les données ont été triées par groupe musculaire et course articulaire en regroupant tous les essais, ce qui a permis de réaliser un test Anova prouvant alors la répétabilité du procédé par une différence non significative. Conclusion Cette étude permet d’élargir les perspectives d’évaluation de la force musculaire. En comparaison aux autres méthodes quantitatives, le pèse-personne est peu co-teux et de surcroît, déjà intégré dans l’environnement du kinésithérapeute. [less ▲]

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See detailAfterload burden on the right ventricle is enhanced when ARDS is associated with hypercapnic acidosis.
MORIMONT, Philippe ULiege; Habran, Simon ULiege; Desaive, Thomas ULiege et al

in Annals of Intensive Care (2018, February 05), 8(1),

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See detailModelling catchment scale agricultural pollution in North Tunisia using the PEGASE model
Boukari, Amira ULiege; Everbecq, Etienne ULiege; Benabdallah, Sihem et al

in Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2018, January 01)

In this work, we studied the impact of agricultural pollution on surface water quality at the scale of a rural catchment situated in the Northwestern part of Tunisia. We therefore used a modelling ... [more ▼]

In this work, we studied the impact of agricultural pollution on surface water quality at the scale of a rural catchment situated in the Northwestern part of Tunisia. We therefore used a modelling approach involving the deterministic and physically based model PEGASE, to give a better description of water quality, quantifying "pressure-impact" relationships and taking into account future climatic change scenarios. [less ▲]

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See detailMuscle strength profile of patients with patellar tendinopathy
Kaux, Jean-François ULiege; Libertiaux, Vincent ULiege; Croisier, Jean-Louis ULiege

in Journal of Rehabilitation Medicine (2018, January), 50(1), 122

Introduction: Patellar tendinopathy (PT) is commonly observed in jumping sports. Even if its biomechanic is somewhat explored, no information is known about the muscle strength profile of these patients ... [more ▼]

Introduction: Patellar tendinopathy (PT) is commonly observed in jumping sports. Even if its biomechanic is somewhat explored, no information is known about the muscle strength profile of these patients. Objective: To determine if there exists a specific profile of patients suffering from a PT. Patients: 43 patients (29+/-9.8 y.o) suffering from PT were recruited. To be eligible, the patients must not have suffered from any other traumatic or micro-traumatic injury than the PT on the pathologic limb. Methods: After a physical examination, the tendon damage was assessed by ultrasounds examination. The patients were then tested on an isokinetic dynamometer and the maximum torque (per unit of mass, MTm) developed by the quadriceps and the hamstrings were recorded for various angular velocities. After each test, a visual analog scale (VAS) was used to estimate the pain felt by the patients. Results: No significant correlation was found between the MTm and the demographic variables. The difference in MTm between the healthy and the pathological limbs was significant only at a rate of 60°/s, for both the quadriceps and the hamstrings. Lastly, the VAS score showed that the most intense pain was experienced after the eccentric test. Conclusions: There is no clear patient strength profile emerging from the isokinetic test. This stresses the importance for the clinicians to make testing and to apply a personalized treatment to each patient. Finally, the isokinetic eccentric testing of the quadriceps can be used to induce a mechanical stress on the tendon for a reliable pain assessment. [less ▲]

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See detailValidity and reliability of the French translation of the VISA-A questionnaire
Kaux, Jean-François ULiege; Croisier, Jean-Louis ULiege; Bruyère, Olivier ULiege

in Journal of Rehabilitation Medicine (2018, January), 50(1), 121

Introduction: The Victorian Institute of Sport Assessment – Achilles tendinopathy questionnaire (VISA-A) evaluates the clinical severity of Achilles tendinopathy. The aim of this study was to translate ... [more ▼]

Introduction: The Victorian Institute of Sport Assessment – Achilles tendinopathy questionnaire (VISA-A) evaluates the clinical severity of Achilles tendinopathy. The aim of this study was to translate the VISA-A into French and to study the reliability and validity of this French version, the VISA-AF.Method: The VISA-A was translated into French to produce the VISA-AF using a validated methodology in six steps. Thereafter, several psychometric properties of this French version such as test–retest reliability, internal consistency, construct validity and floor and ceiling effects were evaluated. Therefore, we recruited 116 subjects, distributed into 3 groups: pathological patients (n=31), at-risk athletes (n=63) and healthy people (n=22). Results: The final version of the VISA-AF was approved by an expert committee. On a scale ranging from 0 to 100, the average scores of the VISA-AF obtained were 59 (± 18) for the pathological group, 99 (± 1) for the healthy group and 94 (± 7) for the at-risk group. The VISA-AF shows excellent reliability, low correlations with the discriminant subscales of the SF-36 and moderate correlations with the convergent subscales of the SF-36. Conclusions: The French version of the VISA-A is equivalent to its original version and is a reliable and valid questionnaire for French- speaking patients with Achilles tendinopathy. [less ▲]

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See detailTranslation and Validation of the VISA-P Questionnaire for French-Speaking Patients
Kaux, Jean-François ULiege; CROISIER, Jean-Louis ULiege; Bruyère, Olivier ULiege

in Journal of Rehabilitation Medicine (2018, January), 50(1), 110

Background: The Victorian Institute of Sport Assessment-Patella (VISA-P), originally developed in English, assesses the severity of patellar tendinopathy symptoms. To date, no French version of the ... [more ▼]

Background: The Victorian Institute of Sport Assessment-Patella (VISA-P), originally developed in English, assesses the severity of patellar tendinopathy symptoms. To date, no French version of the questionnaire exists. Objectives: The aim of our study was to translate the VISA-P into French and verify its psychometric properties. Methods: The translation and cultural adaptation were performed according to international recommendations in 6 steps: initial translation, translation merging, back translation to the original language, use of an expert committee to reach a prefinal version, test of the prefinal version, and expert committee appraisal of a final version. Afterward, the psychometric properties of the final French version (VISA-PF) were assessed in 92 subjects, divided into 3 groups: pathological subjects (n = 28), asymptomatic subjects (n = 22), and sports-risk subjects (n = 42). Results: All members of the expert committee agreed with the final version. On a scale ranging from 0 to 100, with 100 representing an asymptomatic subject, the average SD scores on the VISA-PF were 53 17 for the pathological group, 99 2 for the healthy group, and 86 14 for the sports-risk group. The test-retest reliability of the VISA-PF was excellent, with good internal consistency. Correlations between the VISA-PF and divergent validity of the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) were low, and the correlation coefficient values measured between the VISA-PF scores and converged items of the SF-36 were higher. Conclusion: The VISA-PF is understandable, valid, and suitable for French-speaking patients with patellar tendinopathy. [less ▲]

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See detailCross-cultural adaptation and validation of the Patient-Rated Tennis Elbow Evaluation Questionnaire on lateral elbow tendinopathy for French-speaking patients
Kaux, Jean-François ULiege; Croisier, Jean-Louis ULiege; Bruyère, Olivier ULiege

in Journal of Rehabilitation Medicine (2018, January), 50(1), 122

Introduction: The lateral elbow tendinopathy is a common injury in tennis players and physical workers. The Patient- Rated Tennis Elbow Evaluation (PRTEE) Questionnaire was specifically designed to ... [more ▼]

Introduction: The lateral elbow tendinopathy is a common injury in tennis players and physical workers. The Patient- Rated Tennis Elbow Evaluation (PRTEE) Questionnaire was specifically designed to measure pain and functional limitations in patients with lateral epicondylitis. The aims were to adapt the PRTEE questionnaire into French (PRTEE-F) and to evaluate the reliability and validity of this translated version of the questionnaire . Methods: The PRTEE was translated and cross-culturally adapted into French according to international guidelines. To assess the reliability and validity of the PRTEE-F, 115 participants were asked twice to fill in the PRTEE-F, and once the DASH and the SF-36. Internal consistency (using Cronbach’s alpha), test-retest reliability (using intraclass correlation coefficient (ICC), standard error of measurement and minimal detectable change), and convergent and divergent validity (using the Spearman’s correlation coefficients respectively with the DASH and with some subscales of the SF-36) were assessed. Results: The PRTEE was translated into French without any problems. PRTEE-F showed a good test-retest reliability for the overall score (ICC 0.86) and for each item (ICC 0.8-0.96) and a high internal consistency (Cronbach’s alpha 1⁄4 0.98). The correlation analyses revealed high correlation coefficients between PRTEE-F and DASH (convergent validity) and, as expected, a low or moderate correlation with the divergent subscales of the SF-36 (discriminant validity). There was no floor or ceiling effect. Discussion and Conclusions: The PRTEE questionnaire was successfully cross-culturally adapted into French. The PRTEE-F is reliable and valid for evaluating French-speaking patients with lateral elbow tendinopathy. [less ▲]

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See detailIs oral feeding compatible with an unresponsive wakefulness syndrome?
MELOTTE, Evelyne ULiege; MAUDOUX, Audrey ULiege; DELHALLE, Sabrina ULiege et al

in Journal of Rehabilitation Medicine (2018, January), 50(1), 118

Introduction : Vegetative state/unresponsive wakefulness syndrome (VS/UWS) is defined by the presence of eye-opening and the absence of awareness and voluntary movement [1]. VS/UWS patients classically ... [more ▼]

Introduction : Vegetative state/unresponsive wakefulness syndrome (VS/UWS) is defined by the presence of eye-opening and the absence of awareness and voluntary movement [1]. VS/UWS patients classically receive hydration and nutrition through an enteral feeding tube. Objective - Methods : We retrospectively reviewed the clinical information of 65 VS/UWS patients (aged 45±12; range 16-85 years) evaluated at the CHU hospital of liege searching for mention of oral feeding. VS/UWS diagnosis was made after repeated behavioral assessments using the standardized coma recovery scale–revised (CRS-R, [2]) in association with complementary evaluations using neuroimaging techniques. Results : Of the 65 VS/UWS patients, two could resume oral feeding (3%). One could achieve full oral feeding and the other had oral feeding in addition to gastrostomy feeding. Neuroimaging evaluations showed in both patients a massive decrease in the spontaneous brain activity and its functional connectivity (using functional magnetic resonance imaging), bilateral cerebral cortex hypometabolism and preserved metabolism in the brainstem and cerebellum (using positron emission tomography). Discussion – Conclusion – Clinical message : oral feeding is rare in VS/UWS patients (3% in our cohort). Based on neuroimaging results, this behaviour does not seem to be incompatible with the diagnosis of VS/UWS but the neuromecanistic root, which allows this behavior, still needs to be elucidate. This study also emphasizes the importance of assess and manage deglutition in patients with altered state of consciousness regardless of their level of consciousness. Tactile oro-facial stimulation, manual therapy, taste stimulation and therapeutic feeding can be another “gateway” to interact with these patients and improve their quality of life. [less ▲]

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See detailComparison of the effect of Platelet Rich Plasma (PRP) with Hyaluronic Acid (HA) injections to treat chronic Jumper's knee
Kaux, Jean-François ULiege; DEROISY, Rita ULiege; SAMSON, Antoine ULiege et al

in Journal of Rehabilitation Medicine (2018, January), 50(1), 109-110

Introduction: Patellar Tendinopathies (PT) represent a very frequent disorder which incidence can reach 30-50% among jumping sports. This trouble is often rebel to classical treatment. Objective: To ... [more ▼]

Introduction: Patellar Tendinopathies (PT) represent a very frequent disorder which incidence can reach 30-50% among jumping sports. This trouble is often rebel to classical treatment. Objective: To compare the efficacy of a single injection of RPR to a double infiltration of HA at one week interval. Patients/Methods: Thirty-three patients suffering from PT were enrolled into the study and split into two randomized groups . Eighteen patients (Group 1) have received one PRP injection and the other fifteen subjects (Group 2) received two HA infiltrations. Pain and functionality of the knee were evaluated before injection (T0), 6 weeks (T2) and 3 months (T3) after injections: pain with VAS and pressure algometer, algofunctional scores with IKDC and VISA-P questionnaires, ultrasound, isokinetic evaluation (quadriceps contractions : concentric 60°/sec (C60), concentric 240°/sec (C240), excentric 30°/sec (E30) and VAS during testing). Results: At baseline, difference existed only between groups for algometer, tendon thickness and axial hypoechoic area. In both groups, VAS, algometer, IKCD, VISA-P, VAS for isokinetic testing C60, C240 and E30 were significantly improved at T2 and T3 compared to T0. Comparison between the 2 groups showed no difference excepted for algometer, tendon thickness (T2, T3) and axial hypoechoic area (T2). Discussion and conclusions: There existed a similar improvement of the symptoms in both groups. PRP has already shown its efficacy in PT. HA should probably be a new therapeutic opportunity in this indication. Nevertheless, it should better, for further studies, to include a more homogeneous population and a longer follow-up period of time. [less ▲]

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See detailCross-cultural adaptation and validation of the Kujala Anterior Knee Pain Scale (AKPS) questionnaire for French-speaking patients
Kaux, Jean-François ULiege; Buckinx, Fanny ULiege; Croisier, Jean-Louis ULiege et al

in Journal of Rehabilitation Medicine (2018, January), 50(1), 121-122

Introduction: The femoropatellar syndrom is one of the most common knee problem observable. The Kujala Anterior Knee Pain Scale (AKPS) is a questionnaire used to examine the subjective symptoms, such as ... [more ▼]

Introduction: The femoropatellar syndrom is one of the most common knee problem observable. The Kujala Anterior Knee Pain Scale (AKPS) is a questionnaire used to examine the subjective symptoms, such as the functional limitations and the anterior knee pain. Objective: The aims of the study were to translate and cross-culturally adapt the AKPS questionnaire into French and to evaluate the reliability and validity of this translated version of the questionnaire (AKPS- F). Patients : 101 patients with femoropatellar syndrom. Methods: The translation and the inter-cultural adaptation of the questionnaire has been adopted through the international recommendations highlighting 6 different steps : initial translation, translations synthesis, translation back to the original language, committee of experts, test of the pre-final version and the approval from the expert’s committee. Indeed the French version obtained, the participants have filled twice the AKPS with an interval of 7 days, and the Short Form Health in order to evaluate the psychometric properties (the internal coherence, the test-retest fidelity and the built validity). Results:The AKPS shows a high level of fidelity in the test-retest with a score of 0.97. The French translation also has a high internal coherence score with 0.87. The Kujula shows a great correlation with a part of the converging sub-scales from the SF36. There is a low/average correlation noticeable with the diverging sub-scales. There is no floor/ceiling effect. Discussion and conclusions: This study shows that AKPS-F is reliable and valid for the French patients suffering from a femoropatellar syndrom and can therefore be used. [less ▲]

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See detailIdentification of new pathways driving muscle atrophy and biomarkers reflecting muscle atrophy in cancer cachexia
Paulissen, Geneviève ULiege; de Walque, Roxane; Bindels, Laure et al

in Acta Gastro-Enterologica Belgica (2018)

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See detailStructural and morphological properties of sol-gel ZnO:Ni films
Ivanova, T.; Harizanova, A.; Koutzarova, T. et al

in Journal of Physics: Conference Series (2018), 992(1),

Ni doping induces modifications and considerable changes in the optical, electrical and magnetic properties of ZnO films. In this work, the influence is discussed of Ni-doping (two nickel concentrations ... [more ▼]

Ni doping induces modifications and considerable changes in the optical, electrical and magnetic properties of ZnO films. In this work, the influence is discussed of Ni-doping (two nickel concentrations) and annealing temperature (ranging from 300 ° C to 800 °C) on the structural and optical properties of sol-gel derived ZnO:Ni films. Uniform and smooth films were obtained by spin-coating on quartz and Si substrates. The ZnO:Ni films were crystallized in wurtzite phase with no impurity phases found for annealing temperatures up to 600 °C. The size of the crystallites was strongly affected by the Ni content and the heat treatment. Furthermore, the Ni doping improved the optical transparency of the sol-gel films, while the AFM studies showed that the film morphology and the roughness were influenced by the nickel doping. © Published under licence by IOP Publishing Ltd. [less ▲]

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See detailHow to test experimentally if soil hydraulic conductivity can be predicted with the maximum power principle?
Westhoff, Martijn; Dewals, Benjamin ULiege; Zehe, Erwin

in Geophysical Research Abstracts (2018), 20

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See detailSilane Influence on PICN Interfacial Fracture Toughness with Resin Cement
Eldafrawy, Maher ULiege; Greimers, Laura; BEKAERT, Sandrine ULiege et al

in Journal of Dental Research (2018)

To evaluate the influence of silane on Interfacial Fracture Toughness (IFT) of composite cement with two sub-classes of CAD-CAM composites, polymer-infiltrated ceramic network (PICN) and dispersed filler ... [more ▼]

To evaluate the influence of silane on Interfacial Fracture Toughness (IFT) of composite cement with two sub-classes of CAD-CAM composites, polymer-infiltrated ceramic network (PICN) and dispersed filler (DF), after etching or gritblasting. Secondary objectives were to correlate results with developed interfacial area ratio (Sdr) and surface wettability. [less ▲]

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See detailChanges of microbiome profile during nivolumab treatment in NSCLC patients.
Botticelli, Andrea; Putignani, Lorenza; Zizzari, Ilaria et al

in Journal of Clinical Oncology (2018), 36(suppl), 15020

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See detailNew observations and asteroseismic analysis of the subdwarf B pulsator PG 1219+534
Van Grootel, Valérie ULiege; Peters, Marie-Julie; Green, Elizabeth M. et al

in Open Astronomy (2018)

We present a new asteroseismic modeling of the hot B subdwarf (sdB) pulsator PG 1219+534, based on a 3-month campaign with the Mont4K/Kuiper combination at Mt Bigelow (Arizona) and on updated atmospheric ... [more ▼]

We present a new asteroseismic modeling of the hot B subdwarf (sdB) pulsator PG 1219+534, based on a 3-month campaign with the Mont4K/Kuiper combination at Mt Bigelow (Arizona) and on updated atmospheric parameters from high S/N low and medium resolution spectroscopy. On the basis of the nine independent pulsation periods extracted from the photometric light curve, we carried out an astroseismic analysis by applying the forward modeling approach using our latest (third and fourth generation) sdB models. Atmospheric parameters (Teff = 34 258±170 K, log g = 5.838±0.030) were used as independent constraints, as well as partial mode identification based on observed multiplet structures we ascribed to stellar rotation. The optimal model found is remarkably consistent between various analyses with third and fourth generation of sdB models, and also with previously published analysis with second generation sdB models. It corresponds to a sdB with a canonical mass (0.46 ± 0.02 M⊙), rather thin H-He envelope (log q(envl)= −3.75 ± 0.12), and close to He-burning exhaustion (Xcore(C + O) = 0.86 ± 0.05). We also investigate the internal rotation of the star. We find that PG 1219+534 rotates very slowly (Prot=34.91 ± 0.84 days) and that solid-body rotation is reached at least down to ∼60% of the radius. [less ▲]

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See detailQuestionnement sur les catégories de la diversité à partir de retour d’expériences en Afrique subsaharienne.
Cornet, Annie ULiege; Matamba MUJIKA MUABA, Paul

in Rencontres de la diversité, Presses Université Laval (ouvrage collectif) (2018)

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See detailFactors controlling and triggering urban gullies in the high town of Kinshasa (DR Congo)
Makanzu Imwangana, Fils; Moeyersons, Jan; Ozer, Pierre ULiege et al

in Geophysical Research Abstracts (2018), 20

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See detailPotential diagnostic biomarkers of Ulcerative colitis-associated colorectal dysplasia
Merli, Angela-Maria ULiege; MASSOT, Charlotte ULiege; BLETARD, Noëlla ULiege et al

in Acta Gastro-Enterologica Belgica (2018)

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See detailEco-designing Aquaponics: a case study of an experimental production system in Belgium
Forchino, Andrea Alberto; Gennotte, Vincent ULiege; Maiolo, Silvia et al

in Procedia CIRP (2018), 69

Aquaponics is receiving a growing interest as an emerging technology that combines recirculating aquaculture practices and hydroponics to produce fish and vegetables. However, a proper eco-design is ... [more ▼]

Aquaponics is receiving a growing interest as an emerging technology that combines recirculating aquaculture practices and hydroponics to produce fish and vegetables. However, a proper eco-design is essential to limit the environmental burdens and to enhance the economic profitability. Life Cycle Assessment (LCA) and Life Cycle Costing (LCC) were here combined to estimate the environmental and economic impacts of a designed pilot indoor aquaponic system in Belgium. Results showed that energy consumption, infrastructure and water consumption represent the main critical issues to achieve both the environmental and economic sustainability of this aquaponic system. [less ▲]

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See detailThe impact of GFR evaluation technique on living kidney donation eligibility
Gaillard, F; Courbebaisse, M; Kamar, N et al

in Nephrology Dialysis Transplantation (2018)

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See detailIndexing grey multilingual literature in General Practice: Family medicine in the era of semantic web
Jamoulle, Marc ULiege; Cardillo, E.; Ittoo, Ashwin ULiege et al

in International Conference Series on Grey Literature (2018), 2017-October

Problem/Goal: Sharing the results of research with General Practitioners (GPs) is crucial for the survival of the discipline of General Practice / Family Medicine (GP/FM). The production of abstracts in ... [more ▼]

Problem/Goal: Sharing the results of research with General Practitioners (GPs) is crucial for the survival of the discipline of General Practice / Family Medicine (GP/FM). The production of abstracts in GP/FM probably exceeds 15,000 per year worldwide. Each abstract often represents two years of work for its authors and is expressed in local languages. Only 45% of them are published in indexed medical journals. Usual indexing systems like MeSH are not multilingual nor adapted to the particular field of GP/FM. Consequently, these abstracts are lacking bibliographic control and more than half of the research presented by GPs at congresses is lost. Considering the absence of appropriate domain-specific terminologies or classification systems, we propose a new multilingual indexing system. The existing International Classification of Primary Care (ICPC) is currently used for clinical purposes and has now been expanded with a taxonomy related to contextual aspects (called Q-Codes) such as education, research, practice organization, ethics or policy in GP/FM, currently not captured. The set is proposed under the name Core Content Classification in General Practice (3CGP). The aim is to facilitate indexing of GP/FM specific scientific work and to improve performance in information storage and retrieval for research purposes in this field. Research Method/Procedure: Using qualitative analysis, a corpus of 1,702 abstracts from six GP/FM- related European congresses was analyzed to identify main themes discussed by GPs (e.g., continuity, accessibility or medical ethics), handled in a domain-specific taxonomy called Q-Codes and translated in 8 languages. In addition, a methodology for building a lightweight ontology (in OWL-2) was applied to Q-Codes, adding object and datatype properties to the hierarchical relations, including mapping to the MeSH thesaurus, Babelnet (www.babelnet.org) and Dbpedia. Finally, the Q-Codes in 8 languages have been integrated healthcare terminology service (www.hetop.eu/q) with a companion website (http://3cgp.docpatient.net). Anticipated Results of the Research: The creation and the on-line publication of this multilingual terminological resource, for indexing abstracts and for facilitating Medline searches, could reduce loss of knowledge in the domain. In addition, through better indexing of the grey literature (congress abstracts, master’s and doctoral thesis), we hope to enhance the accessibility of research results of GP/FM domain and promote the emergence of networks of researchers. First result of experimental implementations of the new indexing system will be presented. Indication of costs related to the project: This project has not been funded. 3CGP is placed under Attribution-Non-Commercial-Share-Alike 4.0 International (CC BY-NC-SA 4.0). ICPC is copyrighted by WONCA. © 2018 Oriental Scientific Publishing Company. All rights reserved. [less ▲]

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See detailBeliefs about their voices and degree of resilience in persons with auditory verbal hallucinations with and without need for care.
Laloyaux, Julien ULiege; Collazzoni, Alberto; Kusztrits et al

in Schizophrenia Bulletin (2018), 44(1),

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See detailHexaferrite multiferroics: From bulk to thick films
Koutzarova, T.; Ghelev, C.; Peneva, P. et al

in Journal of Physics: Conference Series (2018), 992(1),

We report studies of the structural and microstructural properties of Sr3Co2Fe24O41 in bulk form and as thick films. The precursor powders for the bulk form were prepared following the sol-gel auto ... [more ▼]

We report studies of the structural and microstructural properties of Sr3Co2Fe24O41 in bulk form and as thick films. The precursor powders for the bulk form were prepared following the sol-gel auto-combustion method. The prepared pellets were synthesized at 1200 °C to produce Sr3Co2Fe24O41. The XRD spectra of the bulks showed the characteristic peaks corresponding to the Z-type hexaferrite structure as a main phase and second phases of CoFe2O4 and Sr3Fe2O7-x. The microstructure analysis of the cross-section of the bulk pellets revealed a hexagonal sheet structure. Large areas were observed of packages of hexagonal sheets where the separate hexagonal particles were ordered along the c axis. Sr3Co2Fe24O41 thick films were deposited from a suspension containing the Sr3Co2Fe24O41 powder. The microstructural analysis of the thick films showed that the particles had the perfect hexagonal shape typical for hexaferrites. © Published under licence by IOP Publishing Ltd. [less ▲]

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See detailLa ceramica della Schola del Traiano a Ostia Antica
Deru, Xavier ULiege; Desbat, Armand; Dienst, Simon ULiege et al

in Forum Romanum Belgicum (2018), 15(6), 1-37

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See detailDiscovering Routers in Load-balanced Paths
Grailet, Jean-François ULiege; Donnet, Benoît ULiege

in 13th International Conference on emerging Networking EXperiments and Technologies Student Workshop (2017, December 12)

Usually, a set of Traceroute measurements collected for a large amount of target IPs contain one or several route hops at which the IP interfaces vary from one measurement to another. These variations ... [more ▼]

Usually, a set of Traceroute measurements collected for a large amount of target IPs contain one or several route hops at which the IP interfaces vary from one measurement to another. These variations occur even if several measurements share the same length and the same last hops. This is likely a consequence of load balancing, a traffic engineering policy which aims at sharing the load to ensure quality of service. In this paper, we consider the problem of conducting alias resolution on IP interfaces discovered via Traceroute and which are involved in load balancing. By conducting alias resolution in such a context, we want to verify if the IP interfaces involved in load balancing belong to unique routers, and more broadly, how relevant is alias resolution in this context. To do so, we use a slightly edited version of TreeNET, a topology discovery tool which relies on a tree-like structure based on Traceroute measurements to map a target domain. The upgraded TreeNET along the measurements described in this paper are both freely available online. [less ▲]

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See detailAn Observation-Based Middlebox Policy Taxonomy
Edeline, Korian ULiege; Donnet, Benoît ULiege

in 13th International Conference on emerging Networking EXperiments and Technologies Student Workshop (2017, December 12)

Recent years have seen the rise of middleboxes, such as NATs, firewalls, or TCP accelerators. Those middleboxes play an important role in today's Internet, including enterprise networks and cellular ... [more ▼]

Recent years have seen the rise of middleboxes, such as NATs, firewalls, or TCP accelerators. Those middleboxes play an important role in today's Internet, including enterprise networks and cellular networks. However, despite their undisputable success in modern network architecture, their actual impact on packets, traffic, and network performance is not that much understood. In this paper, we propose a path impairment oriented middlebox classification that aims at categorizing the initial purpose of a middlebox policy as well as its potential complications. [less ▲]

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