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- W2157029242 abstract "Bowel obstruction after gastric bypass is a recognized complication with an incidence varying between .3% and 15.5% depending on the period of postoperative observation [ 1 Podnos Y.D. Jimenez J.C. Wilson S.E. Stevens C.M. Nguyen N.T. Complications after laparoscopic gastric bypass: a review of 3464 cases. Arch Surg. 2003; 138: 957-961 Crossref PubMed Scopus (596) Google Scholar , 2 Abasbassi M. Pottel H. Deylgat B. et al. Small bowel obstruction after antecolic antegastric laparoscopic Roux-en-Y gastric bypass without division of small bowel mesentery: a single-centre, 7-year review. Obes Surg. 2011; 21: 1822-1827 Crossref PubMed Scopus (48) Google Scholar , 3 Cho M. Pinto D. Carrodeguas L. et al. Frequency and management of internal hernias after laparoscopic antecolic antegastric Roux-en-Y gastric bypass without division of the small bowel mesentery or closure of mesenteric defects: review of 1400 consecutive cases. Surg Obes Relat Dis. 2006; 2: 87-91 Abstract Full Text Full Text PDF PubMed Scopus (102) Google Scholar , 4 Champion J.K. Williams M. Small bowel obstruction and internal hernias after laparoscopic Roux-en-Y gastric bypass. Obes Surg. 2003; 13: 596-600 Crossref PubMed Scopus (215) Google Scholar ]. Although adhesions may be the cause, internal hernias through the various defects created by the Roux are more common and can be bewilderingly difficult to evaluate during exploration. The situation is made easier if the anatomic construction of the initial bypass is known, but often that is not the case. Intraoperative evaluation of mesenteric hernias is made difficult because herniation through the various defects may be left to right or right to left and because the jejeunojejeunostomy may be created on either the left or the right side of the Roux limb and also may be created in a peristaltic or antiperistaltic direction [ 5 Kawkabani Marchini A. Denys A. Paroz A. et al. The four different types of internal hernia occurring after laparoscopic Roux-en-Y gastric bypass performed for morbid obesity: are there any multidetector computed tomography (MDCT) features permitting their distinction?. Obes Surg. 2011; 21: 506-516 Crossref PubMed Scopus (35) Google Scholar , 6 Al-Sukaiti R. Stein L. Christou N. Mesurolle B. Artho G.P. Imaging of small bowel obstruction after gastric bypass surgery for morbid obesity: a retrospective review. Sultan Qaboos Univ Med J. 2010; 10: 354-360 PubMed Google Scholar , 7 Scott-Conner CEH, editor. The Sages Manual: Fundamentals of laparoscopy, thoracoscopy, and GI endoscopy. 2nd ed. Iowa City: Springer; 2006, pp.303–311 Google Scholar ]. Internal findings are further complicated by variations—antecolic, retrocolic, antegastric, and retrogastric—in placement of the Roux limb [ 4 Champion J.K. Williams M. Small bowel obstruction and internal hernias after laparoscopic Roux-en-Y gastric bypass. Obes Surg. 2003; 13: 596-600 Crossref PubMed Scopus (215) Google Scholar , 7 Scott-Conner CEH, editor. The Sages Manual: Fundamentals of laparoscopy, thoracoscopy, and GI endoscopy. 2nd ed. Iowa City: Springer; 2006, pp.303–311 Google Scholar , 8 Schauer P.R. Ikramuddin S. Gourash W. Ramanathan R. Luketich J. Outcomes after laparoscopic Roux-en-Y gastric bypass for morbid obesity. Ann Surg. 2000; 232: 515-529 Crossref PubMed Scopus (1136) Google Scholar , 9 Scheirey C.D. Scholz F.J. Shah P.C. Brams D.M. Wong B.B. Pedrosa M. Radiology of the laparoscopic Roux-en-Y gastric bypass procedure: conceptualization and precise interpretation of results. RadioGraphics. 2006; 26: 1355-1371 Crossref PubMed Scopus (54) Google Scholar ]. Partial small bowel obstructions are common and may have existed for sufficient periods of time to result in adhesions that further complicate reduction and anatomic evaluation [ [10] Nguyen N.T. Huerta S. Gelfand D. Stevens C.M. Jim J. Bowel obstruction after laparoscopic Roux-en-Y gastric bypass. Obes Surg. 2004; 14: 190-196 Crossref PubMed Scopus (98) Google Scholar ]. Independent of the hernia defect site, as increasing lengths of small bowel migrate through, it is not uncommon to find the Roux limb twisted on itself and with it the jejeunojejeunostomy. In this setting, the exploring surgeon may genuinely question whether the Roux limb was perhaps not twisted at the initial procedure. We were involved in a legal case in which the exploring surgeon alleged that the Roux limb had been constructed with a complete twist and the corrective response had been to take down and reconstruct the jejeunojejeunostomy. Although this seemed like a plausible solution, we were able to create a model that shows that a true twist of the Roux limb can only be corrected by recreating the gastrojejeunostomy (Fig. 1). If the Roux limb is twisted at the original operation, then taking down the jejeunojejeunostomy can only help to untwist the intestine but not the mesenteric blood supply. Truly untwisting the Roux limb from below would require transecting the blood supply and would, of course, result in necrosis of the Roux limb. If as was done, the bowel is untwisted but the blood supply is not, our model shows that a subsequent take-down of the gastrojejeunostomy is no longer corrective. The jejeunojejeunostomy must then also be taken down and both the bowel and blood supply untwisted from that location as well." @default.
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- W2157029242 date "2013-11-01" @default.
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- W2157029242 title "Variations on bowel obstruction after gastric bypass and management of the twisted Roux limb" @default.
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- W2157029242 doi "https://doi.org/10.1016/j.soard.2013.07.009" @default.
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