  | Gach, O., & Cornet, O. (2021). Coronary-to-bronchial artery communication. Acta Cardiologica, 76 (6), 674-675. doi:10.1080/00015385.2020.1765106  Peer Reviewed verified by ORBi |
  | BRULS, S., Durieux, R., Gach, O., Lancellotti, P., & Defraigne, J.-O. (October 2020). Sudden Cardiac Death Revealed by an Anomalous Origin of the Right Coronary Artery From the Left Sinus of Valsalva. Annals of Thoracic Surgery, 110 (4), 315-e317. doi:10.1016/j.athoracsur.2020.02.034 Peer reviewed |
 | Lancellotti, P., GACH, O., DAVIN, L., MARCHETTA, S., & DULGHERU, R. E. (2019). Alcoolisation septale dans la cardiomyopathie hypertrophique obstructive. Revue Médicale de Liège, 74 (S1), 51-S56. Peer reviewed |
 | MARECHAL, P., LEMPEREUR, M., GACH, O., & Lancellotti, P. (2019). Evaluation physiologique invasive de la maladie coronarienne. Revue Médicale de Liège, 74 (S1), 22-S28. Peer reviewed |
 | GACH, O., DAVIN, L., LEMPEREUR, M., MARECHAL, P., MARTINEZ, C., & Lancellotti, P. (2019). Angioplastie coronaire transluminale percutanée : de la révolution à l'évolution. Revue Médicale de Liège, 74 (S1), 34-S38. Peer reviewed |
 | GACH, O., DAVIN, L., & Lancellotti, P. (2019). Modalites d'imagerie endocoronaire en cardiologie interventionnelle. Revue Médicale de Liège, 74 (S1), 29-S33. Peer reviewed |
 | GACH, O., DAVIN, L., LEMPEREUR, M., MARECHAL, P., MARTINEZ, C., & Lancellotti, P. (2019). Coronarographie diagnostique. Revue Médicale de Liège, 74 (S1), 17-S21. Peer reviewed |
 | GACH, O., LEMPEREUR, M., MARECHAL, P., & Lancellotti, P. (2019). Atherectomie rotationnelle (Rotablator(R)) : technique complémentaire dans la prise en charge des lésions coronaires indilatables. Revue Médicale de Liège, 74 (S1), 39-S43. Peer reviewed |
 | MARTINEZ, C., GACH, O., RADERMECKER, M., & Lancellotti, P. (2019). Remplacement valvulaire aortique par voie transcatheter : du concept au changement de paradigme dans le traitement des stenoses aortiques. Revue Médicale de Liège, 74 (S1), 64-S72. Peer reviewed |
 | Lancellotti, P., GACH, O., MARECHAL, P., & ROBINET, S. (2019). Pacemaker miniature sans sonde de type Micra(R). Revue Médicale de Liège, 74 (S1), 104-S108. Peer reviewed |
 | Lancellotti, P., ANCION, A., DAVIN, L., DULGHERU, R. E., GACH, O., LEMPEREUR, M., MARCHETTA, S., MARECHAL, P., & MARTINEZ, C. (2019). Le "Heart Team" : definition et organisation. Point de Vue du Cardiologue. Revue Médicale de Liège, 74 (S1), 5-S9. Peer reviewed |
 | Piette, C., BERNARD, A.-C., GACH, O., & Lancellotti, P. (2019). L'image du mois. Cardiopathie congenitale : fistule entre l'artere circonflexe et le sinus coronaire. Revue Médicale de Liège, 74 (12), 625-626. Peer reviewed |
 | Lancellotti, P., Magne, J., DULGHERU, R. E., Clavel, M.-A., Donal, E., Vannan, M. A., Chambers, J., Rosenhek, R., Habib, G., Lloyd, G., Nistri, S., Garbi, M., MARCHETTA, S., Fattouch, K., Coisne, A., Montaigne, D., Modine, T., DAVIN, L., Gach, O., ... Oury, C. (2018). Outcomes of Patients With Asymptomatic Aortic Stenosis Followed Up in Heart Valve Clinics. JAMA Cardiology. doi:10.1001/jamacardio.2018.3152 Peer Reviewed verified by ORBi |
 | Lancellotti, P., ANCION, A., D'ORIO, V., GACH, O., MARECHAL, P., & KRZESINSKI, J.-M. (2018). Bradykinine et protection cardiovasculaire. Role du perindopril, un inhibiteur de l'enzyme de conversion de l'angiotensine. Revue Médicale de Liège, 73 (4), 197-205. Peer reviewed |
 | Gach, O., Nyssen, A.-S., GAYETOT, C., Magne, J., Oury, C., & Lancellotti, P. (2018). Pretreatment with P2Y12 inhibitors and outcome in patients with ST-segment elevation myocardial infarction treated by primary percutaneous coronary intervention. Journal of Cardiovascular Medicine, 19 (5), 234-239. doi:10.2459/JCM.0000000000000643 Peer Reviewed verified by ORBi |
 | DAVIN, L., Nchimi Longang, A., Ilardi, F., DULGHERU, R. E., MARCHETTA, S., Gach, O., Marechal, P., Cimino, S., BRUYERE, P.-J., Georgiopoulos, A., Dibato, J. E., d'Amico, G., Galderisi, M., Parisi, V., Oury, C., & Lancellotti, P. (2018). Epicardial Adipose Tissue and Myocardial Fibrosis in Aortic Stenosis Relationship With Symptoms and Outcomes: A Study Using Cardiac Magnetic Resonance Imaging. JACC. Cardiovascular Imaging. doi:10.1016/j.jcmg.2018.06.025 Peer Reviewed verified by ORBi |
 | MARECHAL, P., DAVIN, L., GACH, O., MARTINEZ, C., LEMPEREUR, M., Lhoest, N., & Lancellotti, P. (2018). Coronary chronic total occlusion intervention: utility or futility. Expert Review of Cardiovascular Therapy, 16 (5), 361-367. doi:10.1080/14779072.2018.1459187 Peer Reviewed verified by ORBi |
 | GACH, O., El Husseini, Z., & Lancellotti, P. (2018). Syndrome coronarien aigu. Revue Médicale de Liège, 73 (5-6), 243-250. Peer reviewed |
 | MARECHAL, P., GACH, O., DAVIN, L., MARTINEZ, C., LEMPEREUR, M., Magnee, M., & Lancellotti, P. (2017). Pourquoi traiter une occlusion coronaire totale chronique ? Revue Médicale Suisse, 13 (571), 1406-1409. Peer Reviewed verified by ORBi |
 | GACH, O., FALQUE, B., CANIVET, A., KRZESINSKI, F., Krzesinski, J.-M., & Lancellotti, P. (2017). Le medicament du mois BIPRESSIL(R) : Premiere association fixe bisoprolol et perindopril arginine. Revue Médicale de Liège, 72 (5), 260-265. Peer reviewed |
 | Pirlet, C., Pierard, L., Legrand, V., & Gach, O. (2017). Ratio of high-sensitivity troponin to creatine kinase-MB in takotsubo syndrome. International Journal of Cardiology. doi:10.1016/j.ijcard.2017.05.107 Peer Reviewed verified by ORBi |
 | Radermecker, M., Martinez, C., Gach, O., Durieux, R., Defraigne, J.-O., & Legrand, V. (2016). CHOICE OF THE BEST TRANSCATHETER SITE FOR TAVI IMPLANTATION. Aorta. doi:10.12945/j.aorta.2016.16.500 Peer reviewed |
 | MARCHETTA, S., LEMPEREUR, M., & Gach, O. (2016). L'IMAGE DU MOIS. Une fistule coronaro-ventriculaire gauche. Revue Médicale de Liège, 71 (1), 4-5. Peer reviewed |
 | Franck, T., MINGUET, G., Delporte, C., Derochette, S., Zouaoui Boudjeltia, K., Van Antwerpen, P., GACH, O., Deby-Dupont, G., Mouithys-Mickalad, A., & Serteyn, D. (2015). An immunological method to combine the measurement of active and total myeloperoxidase on the same biological fluid, and its application in finding inhibitors which interact directly with the enzyme. Free Radical Research, 1-10. doi:10.3109/10715762.2015.1027197 Peer Reviewed verified by ORBi |
 | GACH, O., BROGNEAUX, C., Franck, T., Serteyn, D., Legrand, V., Pierard, L., & Magne, J. (2015). Active and total myeloperoxidase in coronary artery disease and relation to clinical instability. Acta Cardiologica, 70 (5), 522-7. doi:10.2143/AC.70.5.3110512 Peer Reviewed verified by ORBi |
 | BORN, B., IOVINO, A., NYSSEN, A., & GACH, O. (2014). L'image du mois. L'effet chatterjee. Revue Médicale de Liège. Peer reviewed |
 | LEGRAND, V., CUISSET, T., CHENU, P., VROLIX, M., MARTINEZ, C., DENS, J., GACH, O., BOLAND, J., CLAEYS, M., MAGNE, J., BARBATO, E., & WIJNS, W. (2014). Platelet reactivity and cardiovascular events after percutaneous coronary intervention in patients with stable coronary artery disease: the Stent Thrombosis In Belgium (STIB) trial. EuroIntervention: Journal of EuroPCR in Collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology, 10, 204-211. doi:10.4244/EIJV10I2A34 Peer reviewed |
 | BENOIT, A., DAVIN, L., GACH, O., CAMUS, B., D'ORIO, V., & PIERARD, L. (2014). Comment j'explore⋯ Une suspicion de dysplasie arythmogéne du ventricule droit. Revue Médicale de Liège. Peer reviewed |
 | Thouny, R., BENOIT, A., & Gach, O. (2014). L'image du mois. Pseudoanevrisme ventriculaire gauche secondaire a un traumatisme par balle. Revue Médicale de Liège, 69 (7-8), 409-11. Peer reviewed |
 | GACH, O., Lempereur, M., Eeckhout, E., & Legrand, V. (2014). Unintentional "Ventriculo-Phlebo-Myo-Pericardiography". JACC. Cardiovascular Interventions. doi:10.1016/j.jcin.2013.07.024 Peer Reviewed verified by ORBi |
| GACH, O., MAGNE, J., Franck, T., Serteyn, D., Brogneaux, C., Legrand, V., & Pierard, L. (2013). Systemic Active and Total Myeloperoxidase Levels in Coronary Artery Disease. Cardiology, 126 (Suppl. 2), 1-521. Peer Reviewed verified by ORBi |
 | Lempereur, M., Moonen, M., GACH, O., & LANCELLOTTI, P. (2012). Recommandations Europeennes 2011 pour la prise en charge du syndrome coronarien aigu sans elevation du segment ST (Partie 2). Revascularisation coronaire: indications. Revue Médicale de Liège, 67 (1), 8-10. Peer reviewed |
 | Gach, O., Lempereur, M., Pierard, L., & LANCELLOTTI, P. (2012). Recurrent stress cardiomyopathy with variable pattern of left ventricle contraction abnormality. Journal of the American College of Cardiology, 60 (3), 5. doi:10.1016/j.jacc.2011.10.911 Peer Reviewed verified by ORBi |
 | Moonen, M., Lempereur, M., GACH, O., & Lancellotti, P. (2011). Recommandations européennes 2011 pour la prise en charge du syndrome coronarien aigu sans élévation du segment ST (partie 1). Revue Médicale de Liège, 66 (12), 624-630. Peer reviewed |
 | GACH, O., Magne, J., Franck, T., Derochette, S., Dupont, G., Serteyn, D., Defraigne, J.-O., Lancellotti, P., Legrand, V., & Pierard, L. (2011). Clinical significance of active myeloperoxidase in carotid atherosclerotic plaques. International Journal of Cardiology, 152 (1), 149-151. doi:10.1016/j.ijcard.2011.07.068 Peer Reviewed verified by ORBi |
 | Gach, O., Louis, O., Chapelle, J.-P., Vanbelle, S., Pierard, L., & Legrand, V. (July 2009). Baseline inflammation is not predictive of periprocedural troponin elevation after elective percutaneous coronary intervention. Heart and Vessels, 24 (4), 267-70. doi:10.1007/s00380-008-1120-3 Peer Reviewed verified by ORBi |
 | DUGAUQUIER, C., Hanssen, M., GACH, O., & Legrand, V. (2009). Elevation des biomarqueurs cardiaques apres un effort physique intense. Revue Médicale de Liège, 64 (7-8), 370-2. Peer reviewed |
 | Davin, L., Gach, O., Martinez, C., Bruyere, P.-J., Radermecker, M., Grenade, T., Pierard, L., & Legrand, V. (2009). La tomodensitométrie cardiaque dans la mise au point préopératoire d’une anomalie congénitale d’une artère coronaire. Annales de Cardiologie et d'Angeiologie, 58 (2), 122-4. doi:10.1016/j.ancard.2008.05.006 Peer Reviewed verified by ORBi |
 | Franck, T., Kohnen, S., Zouaoui Boudjeltia, K., Van Antwerpen, P., Bosseloir, A., Niesten, A., Gach, O., Nys, M., Deby-Dupont, G., & Serteyn, D. (2009). A new easy method for specific measurement of active myeloperoxidase in human biological fluids and tissue extracts. Talanta, 80, 723-729. doi:10.1016/j.talanta.2009.07.052 Peer Reviewed verified by ORBi |
 | Davin, L., Bruyere, P.-J., Gach, O., Legrand, V., Pierard, L., & Lancellotti, P. (2008). L'image du mois. Les valvules cardiaques en tomodensitometrie multidetecteur et echo 3D. Revue Médicale de Liège, 63 (10), 577-8. Peer reviewed |
 | Lancellotti, P., Cosyns, B., Zacharakis, D., Attena, E., Van Camp, G., Gach, O., Radermecker, M., & Pierard, L. (2008). Importance of left ventricular longitudinal function and functional reserve in patients with degenerative mitral regurgitation: assessment by two-dimensional speckle tracking. Journal of the American Society of Echocardiography, 21 (12), 1331-6. doi:10.1016/j.echo.2008.09.023 Peer Reviewed verified by ORBi |
 | Davin, L., LANCELLOTTI, P., BRUYERE, P.-J., Gach, O., Pierard, L., & Legrand, V. (August 2007). Diagnostic accuracy of computed tomography coronary angiography in routine practice. Acta Cardiologica, 62 (4), 339-344. doi:10.2143/AC.62.4.2022276 Peer Reviewed verified by ORBi |
 | Davin, L., BRUYERE, P.-J., Lewin, M., Gach, O., Martinez, C., Ghaye, B., Legrand, V., & Pierard, L. (April 2007). Comment j'explore...Les arteres coronaires en 2007: apports de la tomodensitometrie. Revue Médicale de Liège, 62 (4), 222-9. Peer reviewed |
| Gach, O. (2007). Implications pronostiques des marqueurs de l'inflammation lors des interventions coronariennes percutanées [Doctoral thesis, Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/315112 |
 | Gach, O., Legrand, V., Biessaux, Y., Chapelle, J.-P., Vanbelle, S., & Pierard, L. (01 January 2007). Long-term prognostic significance of high-sensitivity C-reactive protein before and after coronary angioplasty in patients with stable angina pectoris. American Journal of Cardiology, 99 (1), 31-35. doi:10.1016/j.amjcard.2006.07.059 Peer Reviewed verified by ORBi |
 | Davin, L., Lewin, M., BRUYERE, P.-J., Gach, O., Martinez, C., Ghaye, B., Pierard, L., & Legrand, V. (2007). L'image du mois. Fistule coronaire en imagerie non invasive par CT scanner coronaire. Revue Médicale de Liège, 62 (7-8, Jul-Aug), 477-8. Peer reviewed |
 | Gach, O., Davin, L., & Legrand, V. (October 2006). Non-invasive imaging of a giant right coronary artery due to a coronary fistula. Acta Cardiologica, 61 (5), 569-571. doi:10.2143/AC.61.5.2017774 Peer Reviewed verified by ORBi |
 | Gach, O., Nys, M., Deby, G., Chapelle, J.-P., Lamy, M., Pierard, L., & Legrand, V. (2006). Acute neutrophil activation in direct stenting: comparison of stable and unstable angina patients. International Journal of Cardiology, 112 (1), 59-65. doi:10.1016/j.ijcard.2005.09.010 Peer Reviewed verified by ORBi |
 | Legrand, V., Doneux, P., Martinez, C., Gach, O., & Bellekens, M. (October 2005). Femoral access management: comparison between two different vascular closure devices after percutaneous coronary intervention. Acta Cardiologica, 60 (5), 482-488. doi:10.2143/AC.60.5.2004968 Peer Reviewed verified by ORBi |
 | Gach, O., Pierard, L., & Legrand, V. (April 2005). Inflammation et atherosclerose: etat de la question en 2004-2005. Revue Médicale de Liège, 60 (4), 235-41. Peer reviewed |
 | Gach, O., Biemar, C., Nys, M., Deby-Dupont, G., Chapelle, J.-P., Deby, C., Lamy, M., Pierard, L., & Legrand, V. (February 2005). Early release of neutrophil markers of activation after direct stenting in patients with unstable angina. Coronary Artery Disease, 16 (1), 59-65. doi:10.1097/00019501-200502000-00011 Peer Reviewed verified by ORBi |
 | Gach, O., Pierard, L., & Legrand, V. (November 2004). Image du mois. Fibrodysplasie musculaire de l'artère rénale. Revue Médicale de Liège, 59 (11), 624-5. Peer reviewed |
| Gach, O., Biemar, C., Pierard, L., & Legrand, V. (2004). Early release of myeloperoxydase and lactoferin after direct stenting in patient presented for unstable angina. European Heart Journal, 25 (Suppl. S), 450-450. Peer Reviewed verified by ORBi |
| Richardy, M., Gach, O., Martinez, C., Boersma, E., Wijns, W., PIERARD, L., & Legrand, V. (2004). Clinical outcomes in acute STEMI with primary stenting in relation to the use of platelets IIb/IIIa inhibitors: the "Euro Heart Survey on Coronary Revascularisation" data. European Heart Journal, 25 (Suppl. S), 358-359. Peer Reviewed verified by ORBi |
 | Gach, O., Troisfontaines, P., & LEGRAND, V. (October 2003). Le cas clinique du mois. Precordialgies evoquant un syndrome coronaire instable, un ecueil diagnostique. Revue Médicale de Liège, 58 (10), 611-4. Peer reviewed |
 | Gach, O., Louis, O., Martinez, C., Lambermont, B., Gérard, P., & Legrand, V. (August 2003). Predictors of early and late outcome of percutaneous coronary intervention in octogenarians. Acta Cardiologica, 58 (4), 289-294. doi:10.2143/AC.58.4.2005285 Peer Reviewed verified by ORBi |
 | Legrand, V., Gach, O., & Martinez, C. (May 2003). Prevention secondaire apres syndrome coronarien aigu. Revue Médicale de Liège, 58 (5), 279-82. Peer reviewed |
 | Gach, O., Troisfontaines, P., & LEGRAND, V. (March 2003). L'image du mois. Artere coronaire unique ou tronc commun occlus collateralise? Revue Médicale de Liège, 58 (3), 117-8. Peer reviewed |
| Martinez, C., Gach, O., & Legrand, V. (2003). Predictors of early and late outcome of percutaneous coronary intervention in octogenarians. European Heart Journal, 24 (Suppl. S), 573. Peer Reviewed verified by ORBi |
 | Gach, O., & Legrand, V. (December 2002). Le cas clinique du mois. Decouverte fortuite d'une fistule coronarienne. Revue Médicale de Liège, 57 (12), 757-9. Peer reviewed |
 | Gach, O., LANCELLOTTI, P., & PIERARD, L. (October 2001). Acute St-Segment Elevation in Neisseria Meningitis. Acta Cardiologica, 56 (5), 327-9. doi:10.2143/AC.56.5.2005695 Peer Reviewed verified by ORBi |
Radermecker, M., Gach, O., Henrottaux, G., Elen, P., Dresse, D., THIRY, A., GRENADE, T., & Limet, R. (2000). Extensions des techniques de reparation valvulaire mitrale: chirurgie de l'endocardite et des tumeurs valvulaires. Revue Médicale de Liège, 55 (10), 950-3. Peer reviewed |
GACH, O., CORHAY, J.-L., Lousberg, L., & BARTSCH, P. (1999). Absces mammaire et toxemie gravidique revelateurs d'une tuberculose multiresistante. Revue des Maladies Respiratoires, 16 (5), 842-5. Peer Reviewed verified by ORBi |