Miembro Adherente de la Asociación Cordobesa de Cirugía General 2006 Miembro de la Soc. Americana de Cirugía Gastrointestinal y Endoscópica (SAGES) 2007 Miembro de la Asociación Argentina de Cirugía (MAAC) 2008 Miembro de la Asociacion Argentina de Cirugia Bariatrica (SACO) 2011 Miembro de la IFSO (Internacional Federation for the Surgery of Obesity) 2011 Fellows of American Collage of Surgeon (FACS) 2015

Why perform liver biopsy during bariatric surgery. O Brasesco, P Martinez-Duartez, G Borlle, N Zurbriggen, G Muzio, G Menaldi, J. Bella, M. Corengia, I. Alonso Obes Surg 2014; 24:1177.   Bariatric Surgery in Patients Over 65 Years Old: Our Experiences in Long Term Follow Up. O. Brasesco, M. Barber, G. Premoli, G. Borlle, G. Muzio, M. Corengia, G. Menaldi, J. Bella, P. Martinez-Duartez. Obes Surg 2013; 23:1172.   Conversion from sleeve gastrectomy to gastric bypass. O Brasesco, G Borlle, M Corengia, G Muzio, J Riganti, G Menaldi, J Bella, G Premolli, P Martinez-Duartez. Surg Endosc 2013; 27:S429.   Morbidy and mortality after 5000 consecutive laparoscopic roux-en-y gastric bypasses performed by a single group in argentina. O Brasesco, M Corengia, G Borlle, J Riganti, J Cabrera, G Menaldi, J Bella, G Muzio, P Martinez-Duartez. Surg Endosc 2012;26:S388.   Surgical treatment of gastrojejunostomy stricture refractory to endoscopic therapy after gastric bypass. Martinez-Duartez P, Menaldi, G. Muzio, J. Cabrera, J. Riganti, J. Bella, G. Premoli, M. Corengia, G. Borlle, O. Brasesco. Obes Surg 2012;22:1181.   Morbidy and mortality after 2,250 consecutive laparoscopic Roux-en-Y gastric bypasses performed by a single group in Argentina. Martinez-Duartez PR , Borlle GL, Corengia MA, Muzio G, Cabrera JM, Brasesco OE Surg Obes Relat Dis 2010;5(3):S94-S95.   Effect of sleeve gastrectomy on morbidly obese patients with diabetes mellitus. Li X, Martinez Duartez PR, Zheng C, Samuel S, Rosenthal R. Surg Obes Relat Dis 2009;5(4):429-34.   Two years follow up of sleeve gastrectomy as final approach for morbid obesity. Arias IE, Martínez Duartez PR, Ka Ming Li, Szomstein S, Rosenthal RJ. Obes Surg. 2009 May; 19 (5):544-8.   Diagnosis and treatment of megaesophagus after adjustable gastric banding for morbid obesity. I. Arias, M. Radulescu, R. Stiegeler, J. Singh, P. Martinez-Duartez, A. Ramirez, S. Szomstein, R. Rosenthal. Surg Obes Relat Dis. 2009 Mar-Apr;5(2):156-9   Predictors of gallstone formation after bariatric surgery: a multivariate analysis of risk factors comparing gastric bypass, gastric banding, and sleeve gastrectomy. Li VK, Fajnwaks P, Szomstein S, Rosenthal R, Martinez-Duartez P Surg Endosc 2009;23(7):1640-4.   Symptomatic gallstones after sleeve gastrectomy. Li VK, Pulido N, Martinez-Duartez P, Fajnwaks P, Jin HY, Szomstein S, Rosenthal RJ. Surg Endosc. 2009 Apr 4. [Epub ahead of print]   Reasons for tachycardia in the postoperative period of patients undergoing laparoscopic Roux-en-Y gastric bypass. Sucandy I, Martinez Duartez PR, Szomstein S, Rosenthal R. Surg Obes Relat Dis 2008; 4:330   Outcomes of Bariatric Surgery in patients with BMI less than 35 kg/m2. Fajnwaks P, Ramirez A, Martinez Duartez PR, Arias IE, Szomstein S, Rosenthal R. Surg Obes Relat Dis 2008; 4:329