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See detailFrench Translation and validation of the Exercise-Induced Leg Pain
Kaux, Jean-François ULiege; Hagelstein, Thibaut; Van Beveren, Julien et al

in British Journal of Sports Medicine (in press)

Objective: The « Exercise-Induced Leg Pain » (EILP) questionnaire has been developed (in German) to evaluate the severity of symptoms and sports ability in individuals with exercise-induced leg pain. The ... [more ▼]

Objective: The « Exercise-Induced Leg Pain » (EILP) questionnaire has been developed (in German) to evaluate the severity of symptoms and sports ability in individuals with exercise-induced leg pain. The purpose of the present study was to translate and cross-culturally adapt this questionnaire into French and to study the reliability and validity of the French-translated version (EILP-F). Methods: Translation and cross-culturally adaptation of the original EILP (EILP-G) was performed according to established guidelines. The translation part was articulated in six stages: (i) two initial translations from German to French; (ii) synthesis of the two translations; (iii) backward translations; (iv) expert committee to compare the backward translations with the original questionnaire; (v) pre-test; and (vi) approval of the final version of the EILP-F. To validate the EILP-F questionnaire, 84 subjects were recruited (28 pathological patients with a confirmed diagnosis of chronic leg pain, 28 asymptomatic sport students, 28 athletes healthy control). Discriminative power of the questionnaire was tested as well as reliability (internal consistency, test–retest reliability after a 7-10-day interval), construct validity and floor/ceiling effects. Results: the EILP-F version of the questionnaire has been generated without any major difficulties. The ability of the questionnaire to discriminate the three groups of subjects has been showed with a total score of 61.0 ± 18.5 for the pathologic group; 93.9 ± 7.57 for the asymptomatic group and 94.1 ± 9.79 for the control group (p-value adjusted on age = 0.008). A high internal consistency (Cronbach's alpha of 0.93) and an excellent test-retest radiality (ICC of 0.98 (95% CI 0.97-0.99, p<0.001)) indicated that the EILP-F is reliable. The EILP-F also demonstrated a good construct validity against different subscales of the Short Form-36 questionnaire, a generic quality of life questionnaire, with more than 87 % of prespecified hypotheses confirmed. Finally, no floor or ceiling effects were observed. Conclusion: The EILP-F questionnaire, a French version adapted from the original EILP-G, was successfully translated and cross-culturally adapted. The EILP-F questionnaire is consistent, valid and reliable for evaluating the French-speaking patients with chronic exercise-induced leg pain. [less ▲]

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See detailBone health assessment in older people with or without muscle health impairment.
Locquet, Médéa ULiege; Beaudart, Charlotte ULiege; Bruyère, Olivier ULiege et al

in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA (2018)

This study investigated the relationship between muscle and bone status in elderly individuals. Our results suggested links between sarcopenia and osteoporosis; impairment in muscle status (i.e., muscle ... [more ▼]

This study investigated the relationship between muscle and bone status in elderly individuals. Our results suggested links between sarcopenia and osteoporosis; impairment in muscle status (i.e., muscle mass, muscle strength, and physical performance) is associated with deterioration in bone mass and texture subsequently leading to an increased risk of fracture. INTRODUCTION: Accumulating evidence has shown associations between sarcopenia and osteoporosis, but existing studies face inconsistencies in the clinical definition of both conditions. Thus, we sought to investigate bone health among older individuals with or without muscle health impairment. METHODS: We conducted an analysis of cross-sectional data available from the Sarcopenia and Physical Impairment with Advancing Age (SarcoPhAge) study. Sarcopenia was diagnosed according to the European Working Group on Sarcopenia in Older People (EWGSOP) (i.e., a low muscle mass plus either low muscle strength or low physical performance). Muscle mass and areal bone mineral density (aBMD) were determined using dual-energy X-ray absorptiometry (DEXA). Muscle strength was assessed using a hand dynamometer, and physical performance was assessed with the Short Physical Performance Battery test. Using the cutoff limits proposed by the EWGSOP, we have classified women in the "low SMI group" when its value was < 5.50 kg/m(2), in the "low muscle strength group" when strength was < 20 kg, and in the "low physical performance group" when SPPB < 8 points. The thresholds of < 7.26 kg/m(2) (for SMI), < 30 kg (for muscle strength), and SPPB < 8 points were used for men. The 10-year fracture risk was obtained using the FRAX(R) tool. Moreover, bone texture was determined using the trabecular bone score (TBS) method. RESULTS: The study sample consisted of 288 older subjects aged 74.7 +/- 5.7 years, and 59.0% of the subjects were women. Sarcopenia was diagnosed in 43 individuals (14.9%), and osteoporosis was diagnosed in 36 subjects (12.5%). Moreover, aBMD values were, most of the time, lower in older men and women with muscle impairment (i.e., low muscle mass, low muscle strength, and low physical performance). For these subjects, we also noted a higher probability of fracture. When comparing bone quality, there were no significant differences in the TBS values between sarcopenic and non-sarcopenic older men and women or between those with low and high muscle mass. However, when controlling for confounders (i.e., age, BMI, number of co-morbidities, smoking status, and nutritional status), TBS values were lower in older women with low muscle strength (p = 0.04) and in older men with low physical performance (p = 0.01). CONCLUSIONS: Our study showed interrelationships between components of sarcopenia and osteoporosis, with older subjects with muscle impairment having poorer bone health. [less ▲]

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See detailComparison of the performance of five screening methods for sarcopenia.
Locquet, Médéa ULiege; Beaudart, Charlotte ULiege; Reginster, Jean-Yves ULiege et al

in Clinical Epidemiology (2018), 10

Background: Sarcopenia leads to serious adverse health consequences. There is a dearth of screening tools for this condition, and performances of these instruments have rarely been evaluated. Our aim was ... [more ▼]

Background: Sarcopenia leads to serious adverse health consequences. There is a dearth of screening tools for this condition, and performances of these instruments have rarely been evaluated. Our aim was to compare the performance of five screening tools for identifying elders at risk of sarcopenia against five diagnostic definitions. Subjects and methods: We gathered cross-sectional data of elders from the SarcoPhAge (“Sarco”penia and “Ph”ysical Impairment with Advancing “Age”) study. Lean mass was measured with X-ray absorptiometry, muscle strength with a dynamometer and physical performance with the Short Physical Performance Battery (SPPB) test. Performances of screening methods were described using sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and area under the curve (AUC), according to five diagnostic definitions of sarcopenia. For each screening tool, optimal cutoff points were computed using two methods. Results: A total of 306 subjects (74.8±5.9 years, 59.5% women) were included. The prevalence of sarcopenia varied from 5.7% to 16.7% depending on the definition. The best sensitivity (up to 100%) and the best NPV (up to 99.1%) were obtained with the screening test of Ishii et al, regardless of the definition applied. The highest AUC (up to 0.914) was also demonstrated by the instrument of Ishii et al. The most specific tool was the algorithm of the European Working Group on Sarcopenia in Older People (EWGSOP; up to 91.1%). All NPVs were above 87.0%, and all PPVs were below 51.0%. New cutoffs related to each screening instrument were also proposed to better discriminate sarcopenic individuals from non-sarcopenic individuals. Conclusion: Screening instruments for sarcopenia can be relevantly used in clinical practice to make sure to identify individuals who do not suffer from the syndrome. The screening test of Ishii et al showed better properties in terms of distinguishing those at risk of sarcopenia from those who were not at risk. [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 10ème Congrès Commun SFMES-SFTS (2017, September)

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 detailPrevalence of sarcopenia accoring to 10 different operational definitions of the frailty.
Buckinx, Fanny ULiege; Reginster, Jean-Yves ULiege; Beaudart, Charlotte ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailThe SarcoPhAge study: evolution of sarcopenic subjects after 2 years of follow-up.
Beaudart, Charlotte ULiege; Locquet, Médéa ULiege; Reginster, Jean-Yves ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailBone quality assessment among sarcopenic and non sarcopenic elderly subjects from the SarcoPhAge Study.
Locquet, Médéa ULiege; Beaudart, Charlotte ULiege; Delandsheere, Laura ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailSubjective sleep quality in sarcopenic vs non-sarcopenic older adults from the sarcophage cohort.
Locquet, Médéa ULiege; Beaudart, Charlotte ULiege; Delandsheere, Laura ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailSarcopenia in nursing home residents: the senior cohort.
Buckinx, Fanny ULiege; Reginster, Jean-Yves ULiege; Beaudart, Charlotte ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailNutrition and physical activity in the prevention and treatment of sarcopenia: systematic review.
Beaudart, Charlotte ULiege; Dawson, A.; Shaw, S. C. et al

in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA (2017), 28(6), 1817-33

This systematic review summarizes the effect of combined exercise and nutrition intervention on muscle mass and muscle function. A total of 37 RCTs were identified. Results indicate that physical exercise ... [more ▼]

This systematic review summarizes the effect of combined exercise and nutrition intervention on muscle mass and muscle function. A total of 37 RCTs were identified. Results indicate that physical exercise has a positive impact on muscle mass and muscle function in subjects aged 65 years and older. However, any interactive effect of dietary supplementation appears to be limited. INTRODUCTION: In 2013, Denison et al. conducted a systematic review including 17 randomized controlled trials (RCTs) to explore the effect of combined exercise and nutrition intervention to improve muscle mass, muscle strength, or physical performance in older people. They concluded that further studies were needed to provide evidence upon which public health and clinical recommendations could be based. The purpose of the present work was to update the prior systematic review and include studies published up to October 2015. METHODS: Using the electronic databases MEDLINE and EMBASE, we identified RCTs which assessed the combined effect of exercise training and nutritional supplementation on muscle strength, muscle mass, or physical performance in subjects aged 60 years and over. Study selection and data extraction were performed by two independent reviewers. RESULTS: The search strategy identified 21 additional RCTs giving a total of 37 RCTs. Studies were heterogeneous in terms of protocols for physical exercise and dietary supplementation (proteins, essential amino acids, creatine, beta-hydroxy-beta-methylbuthyrate, vitamin D, multi-nutrients, or other). In 79% of the studies (27/34 RCTs), muscle mass increased with exercise but an additional effect of nutrition was only found in 8 RCTs (23.5%). Muscle strength increased in 82.8% of the studies (29/35 RCTs) following exercise intervention, and dietary supplementation showed additional benefits in only a small number of studies (8/35 RCTS, 22.8%). Finally, the majority of studies showed an increase of physical performance following exercise intervention (26/28 RCTs, 92.8%) but interaction with nutrition supplementation was only found in 14.3% of these studies (4/28 RCTs). CONCLUSION: Physical exercise has a positive impact on muscle mass and muscle function in healthy subjects aged 60 years and older. The biggest effect of exercise intervention, of any type, has been seen on physical performance (gait speed, chair rising test, balance, SPPB test, etc.). We observed huge variations in regard to the dietary supplementation protocols. Based on the included studies, mainly performed on well-nourished subjects, the interactive effect of dietary supplementation on muscle function appears limited. [less ▲]

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See detailThe Future Prevalence of Sarcopenia in Europe: A Claim for Public Health Action.
Ethgen, Olivier ULiege; Beaudart, Charlotte ULiege; Buckinx, Fanny ULiege et al

in Calcified Tissue International (2017), 100(3), 229-234

Sarcopenia is a major public health issue. To convince health policy makers of the emergency to invest in the sarcopenia field, it is of critical importance to produce reliable figures of the expected ... [more ▼]

Sarcopenia is a major public health issue. To convince health policy makers of the emergency to invest in the sarcopenia field, it is of critical importance to produce reliable figures of the expected burden of sarcopenia in the coming years. Age- and gender-specific population projections were retrieved until 2045 from the Eurostat online database (28 European countries). Age- and gender-specific prevalences of sarcopenia were interpolated from a study that compared prevalence estimates according to the different diagnostic cutoffs of the EWGSOP proposed definition. The reported prevalence estimates were interpolated between 65 and 100 years. Interpolated age- and gender-specific estimates of sarcopenia prevalence were then applied to population projections until 2045. Using the definition providing the lowest prevalence estimates, the number of individuals with sarcopenia would rise in Europe from 10,869,527 in 2016 to 18,735,173 in 2045 (a 72.4% increase). This corresponds to an overall prevalence of sarcopenia in the elderly rising from 11.1% in 2016 to 12.9% in 2045. With the definition providing the highest prevalence estimates, the number of individuals with sarcopenia would rise from 19,740,527 in 2016 to 32,338,990 in 2045 (a 63.8% increase), corresponding to overall prevalence rates in the elderly of 20.2% and 22.3% for 2016 and 2045, respectively. We showed that the number of sarcopenic patients will dramatically increase in the next 30 years, making consequences of muscle wasting a major public health issue. [less ▲]

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See detailEnglish translation and validation of the SarQoL®, a quality of life questionnaire specific for sarcopenia
Beaudart, Charlotte ULiege; Edwards, Mark; Moss, Charlotte et al

in Age & Ageing (2017), 46(2), 271-7

Background: the first quality of life questionnaire specific to sarcopenia, the SarQoL®, has recently been developed and validated in French. To extend the availability and utilisation of this ... [more ▼]

Background: the first quality of life questionnaire specific to sarcopenia, the SarQoL®, has recently been developed and validated in French. To extend the availability and utilisation of this questionnaire, its translation and validation in other languages is necessary. Objective: the purpose of this study was therefore to translate the SarQoL® into English and validate the psychometric properties of this new version. Design: cross-sectional. Setting: Hertfordshire, UK. Subjects: in total, 404 participants of the Hertfordshire Cohort Study, UK. Methods: the translation part was articulated in five stages: (i) two initial translations from French to English; (ii) synthesis of the two translations; (iii) backward translations; (iv) expert committee to compare the backward translations with the original questionnaire and (v) pre-test. To validate the English SarQoL®, we assessed its validity (discriminative power, construct validity), reliability (internal consistency, test–retest reliability) and floor/ceiling effects. Results: the SarQoL® questionnaire was translated without any major difficulties. Results indicated a good discriminative power (lower score of quality of life for sarcopenic subjects, P = 0.01), high internal consistency (Cronbach’s alpha of 0.88), consistent construct validity (high correlations found with domains related to mobility, usual activities, vitality, physical function and low correlations with domains related to anxiety, self-care, mental health and social problems) and excellent test–retest reliability (intraclass coefficient correlation of 0.95, 95%CI 0.92–0.97). Moreover, no floor/ceiling has been found. Conclusions: a valid SarQoL® English questionnaire is now available and can be used with confidence to better assess the disease burden associated with sarcopenia. It could also be used as a treatment outcome indicator in research. [less ▲]

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See detailRelationship between ambulatory physical activity assessed by activity trackers and physical frailty among nursing home residents.
Buckinx, Fanny ULiege; Mouton, Alexandre ULiege; Reginster, Jean-Yves ULiege et al

in Gait & Posture (2017), 54

BACKGROUNDS: The aim of this study was to assess the relationship between the level of ambulatory physical activity, measured by physical activity tracker, and the clinical components of physical frailty ... [more ▼]

BACKGROUNDS: The aim of this study was to assess the relationship between the level of ambulatory physical activity, measured by physical activity tracker, and the clinical components of physical frailty, among nursing home residents. METHODS: We proceeded in 3 steps: (1) Validation of the physical activity tracker (i.e. the Pebble): 24 volunteer adults walked on a treadmill. The number of steps recorded by the Pebble worn by the subjects was compared with the number of steps counted by the investigators, by means of the Intra-class correlation coefficients (ICC). (2) Measurement of ambulatory physical activity, using the Pebble trackers, over a 7-day period. (3) Relationship between the results obtained with the Pebble trackers (step 2) and subjects' clinical characteristics, linked to physical frailty. RESULTS: ICC data, showed that the reliability of the Pebble was better when it was worn at the foot level (ICC ranged from 0.60 to 0.93 depending on the tested speed). Gait speed is also an important determinant of the reliability, which is better for low gait speed. On average, the 27 nursing home residents included in the second step of this study walked 1678.4+/-1621 (median=1300) steps per day. Most physical components of frailty measured in this study were significantly different between subjects who walked less than 1300 steps per day and those who were more active. CONCLUSION: This study showed that nursing home residents have a poor ambulatory physical activity, assessed using a physical activity tracker, which is associated with poorer physical performances and higher disability. [less ▲]

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See detailSelf-Administration of Medicines and Dietary Supplements Among Female Amateur Runners: A Cross-Sectional Analysis.
Locquet, Médéa ULiege; Beaudart, Charlotte ULiege; Larbuisson, Robert ULiege et al

in Advances in Therapy (2017), 33(12), 2257-2268

INTRODUCTION: Self-administration of medicines or dietary supplements without any physician's advice is a widespread behavior and appears to be more frequently practiced by women. Moreover, reasons to ... [more ▼]

INTRODUCTION: Self-administration of medicines or dietary supplements without any physician's advice is a widespread behavior and appears to be more frequently practiced by women. Moreover, reasons to self-administer products are often pains and injuries especially among athletes who might also use remedies to improve physical performance. The objective of this study was thus to assess the prevalence of self-administration of medicines and dietary supplements as well as its determinants among female amateur runners. METHODS: Our sample was comprised of women who took part in amateur running events. Data regarding self-administration of substances, exclusively aiming at being physically prepared for the running event (i.e., intake the week before), were collected through an anonymous self-administered questionnaire including four specific themes (i.e., general information, self-administered medicines and dietary supplements, context of self-administration of substances and knowledge of the anti-doping regulations). RESULTS: A total of 136 women, with a median age of 39 years (interquartile range: 27-47), volunteered. Among them, 34.6% reported self-administration of medicines during the period immediately preceding the running event, with the aim to be physically prepared. More than one third (33.8%) also declared self-administration of dietary supplements. Furthermore, we observed that about 8.1% of the sample had consumed a potentially doping substance. After adjustments for confounding variables, the probability of self-administration of products (medicines or supplements) increased significantly with the intensity of the activity and the membership in a sports club. CONCLUSIONS: Our study showed that self-administration of products among female runners seems to be a widespread behavior, where the intensity of the sports practice and the network of runners seem to influence the decision to resort to this behavior. [less ▲]

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See detailHealth Outcomes of Sarcopenia: A Systematic Review and Meta-Analysis.
Beaudart, Charlotte ULiege; Zaaria, Myriam; Pasleau, Françoise ULiege et al

in PLoS ONE (2017), 12(1), 0169548

OBJECTIVE: The purpose of this study was to perform a systematic review to assess the short-, middle- and long-term consequences of sarcopenia. METHODS: Prospective studies assessing the consequences of ... [more ▼]

OBJECTIVE: The purpose of this study was to perform a systematic review to assess the short-, middle- and long-term consequences of sarcopenia. METHODS: Prospective studies assessing the consequences of sarcopenia were searched across different electronic databases (MEDLINE, EMBASE, EBM Reviews, Cochrane Database of Systematic Reviews, EBM Reviews ACP Journal Club, EBM Reviews DARE and AMED). Only studies that used the definition of the European Working Group on Sarcopenia in Older People to diagnose sarcopenia were included. Study selection and data extraction were performed by two independent reviewers. For outcomes reported by three or more studies, a meta-analysis was performed. The study results are expressed as odds ratios (OR) with 95% CI. RESULTS: Of the 772 references identified through the database search, 17 were included in this systematic review. The number of participants in the included studies ranged from 99 to 6658, and the duration of follow-up varied from 3 months to 9.8 years. Eleven out of 12 studies assessed the impact of sarcopenia on mortality. The results showed a higher rate of mortality among sarcopenic subjects (pooled OR of 3.596 (95% CI 2.96-4.37)). The effect was higher in people aged 79 years or older compared with younger subjects (p = 0.02). Sarcopenia is also associated with functional decline (pooled OR of 6 studies 3.03 (95% CI 1.80-5.12)), a higher rate of falls (2/2 studies found a significant association) and a higher incidence of hospitalizations (1/1 study). The impact of sarcopenia on the incidence of fractures and the length of hospital stay was less clear (only 1/2 studies showed an association for both outcomes). CONCLUSION: Sarcopenia is associated with several harmful outcomes, making this geriatric syndrome a real public health burden. [less ▲]

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See detailCross-cultural adaptation and validation of the SARC-F to assess sarcopenia: methodological report from European Union Geriatric Medicine Society Sarcopenia Special Interest Group
Bahat, G.; Yilmaz, O.; Merve Oren, M. et al

in European Geriatric Medicine (2017)

Sarcopenia is a well-identified process of aging known to cause functional deterioration, falls, fractures, frailty and mortality. Considering the global aging population, sarcopenia assessment has become ... [more ▼]

Sarcopenia is a well-identified process of aging known to cause functional deterioration, falls, fractures, frailty and mortality. Considering the global aging population, sarcopenia assessment has become a public health priority because its early detection is expected to prevent or decrease adverse outcomes through commencement of therapeutic measures. Therefore, the diagnosis of sarcopenia mediated by effective screening is expected to become particularly important. Being very practical with clearly demonstrated value to predict sarcopenia-related adverse outcomes, SARC-F questionnaire stands as one of the best tools to evaluate sarcopenia in every day practice. SARC-F has originally been created in English. Considering the variety of languages in Europe, it seems very valid to adapt and validate this tool in different European languages. This report is written to explain the details of the final consensus methodology suggested for SARC-F validation, thereby guiding and helping the research teams in their studies. [less ▲]

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See detailQuality of life in sarcopenia measured with the SarQoL®: impact of the use of different diagnosis definitions
Beaudart, Charlotte ULiege; Locquet, Médéa ULiege; Reginster, Jean-Yves ULiege et al

in Aging Clinical and Experimental Research (2017)

Background: The SarQoL® is a recently developed quality of life questionnaire specific to sarcopenia. Aim: To compare the quality of life (QoL) of subjects identified as sarcopenic with that of non ... [more ▼]

Background: The SarQoL® is a recently developed quality of life questionnaire specific to sarcopenia. Aim: To compare the quality of life (QoL) of subjects identified as sarcopenic with that of non-sarcopenic subjects when using six different operational definitions of sarcopenia. Methods: Participants of the SarcoPhAge study (Belgium) completed the SarQoL®. Among the six definitions used, two were based on low lean mass alone (Baumgartner, Delmonico), and four required both low muscle mass and decreased performance (Cruz-Jentoft, Studenski, Fielding, Morley). Physical assessments included measurements of muscle mass with dual energy X-ray absorptiometry, muscle strength with a handheld dynamometer and gait speed over a 4-m distance. Results: A total of 387 subjects completed the SarQoL®. Prevalence of sarcopenia varied widely across the different definitions. Using the SarQoL®, a lower QoL was found for sarcopenic subjects compared to non-sarcopenic subjects when using the definitions of Cruz-Jentoft (56.3 ± 13.4 vs 68.0 ± 15.2, p < 0.001), Studenski (51.1 ± 14.5 vs 68.2 ± 14.6, p < 0.001), Fielding (53.8 ± 12.0 vs 68.3 ± 15.1, p < 0.001), and Morley (53.3 ± 12.5 vs 67.1 ± 15.3, p < 0.001). No QoL difference between sarcopenic and non-sarcopenic subjects was found when using the definitions of Baumgartner or Delmonico, which were only based on the notion of decreased muscle mass. Discussion and conclusions: The SarQoL® was able to discriminate sarcopenic from non-sarcopenic subjects with regard to their QoL, regardless of the definition used for diagnosis as long as the definition includes an assessment of both muscle mass and muscle function. Poorer QoL, therefore, seems more related to muscle function than to muscle mass. © 2017 The Author(s) [less ▲]

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See detailAnalyse des conséquences cliniques de la sarcopénie: une revue systématique et méta-analyse.
Beaudart, Charlotte ULiege; Zaaria, M.; Pasleau, Françoise ULiege et al

in L'année Gérontologique (2017), 31(1), 18

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