Abstract
Roux-en-Y gastric bypass is a common treatment for morbid obesity, and marginal ulceration is a relatively frequent complication, occurring in up to 16% of patients. 1 Sapala J.A. Wood M.H. Sapala M.A. et al. Marginal ulcer after gastric bypass: a prospective 3-year study of 173 patients. Obes Surg. 1998; 8: 505-516 Crossref PubMed Scopus (190) Google Scholar Most marginal ulcerations occur between 2 and 6 months postoperatively, with 95% occurring within 12 months. 2 Ukleja A. Stone R.L. Medical and gastroenterologic management of the post-bariatric surgery patient. J Clin Gastroenterol. 2004; 38: 312-321 Crossref PubMed Scopus (58) Google Scholar , 3 Wilson J.A. Romagnuolo J. Byrne T.K. et al. Predictors of endoscopic findings after Roux-en-Y gastric bypass. Am J Gastroenterol. 2006; 101: 2194-2199 Crossref PubMed Scopus (91) Google Scholar Etiologies for marginal ulceration often are multifactorial and may include the presence of a gastrogastric fistula, foreign material, tissue ischemia, acid production by the gastric pouch, diabetes, smoking, Helicobacter pylori infection, and the use of nonsteroidal anti-inflammatory drugs. 4 Rasmussen J.J. Fuller W. Ali M.R. Marginal ulceration after laparoscopic gastric bypass: an analysis of predisposing factors in 260 patients. Surg Endosc. 2007; 21: 1090-1094 Crossref PubMed Scopus (185) Google Scholar
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