JOURNAL ARTICLE

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

Minyoung Cho, David Pinto, Lester Carrodeguas, Charles Lascano, Flavia Soto, Oliver Whipple, Conrad Simpfendorfer, John Paul Gonzalvo, Nathan Zundel, Samuel Szomstein, Raul J Rosenthal
Surgery for Obesity and Related Diseases 2006, 2 (2): 87-91
16925328

BACKGROUND: It is common practice to close mesenteric defects in abdominal surgery to prevent postoperative herniation and subsequent closed-loop obstruction. The aim of this study was to review our experience with antecolic antegastric laparoscopic Roux-en-Y gastric bypass (AA-LRYGBP) without division of the small bowel mesentery or closure of potential mesenteric defects.

METHODS: Data for 1400 patients who underwent AA-LRYGBP between January 2001 and December 2004 was prospectively collected and retrospectively analyzed for the incidence of internal hernias. In all cases, an antecolic antegastric approach was performed without division of the small bowel mesentery or closure of potential hernia defects.

RESULTS: Three patients (0.2%) developed a symptomatic internal hernia. Two of these patients had a 200-cm-long Roux limb, and the other had a 100-cm-long Roux limb. All three patients exhibited mild symptoms of partial small bowel obstruction. In all three cases the internal hernia was clinically manifested more than 10 months after the original AA- LRYGBP. Exploration revealed that the hernia site was between the transverse colon and the mesentery of the alimentary limb at the level of the jejunojejunostomy (Petersen's defect) in all three cases. All three patients underwent successful laparoscopic revision, hernia reduction, and mesenteric defect closure.

CONCLUSIONS: AA-LRYGBP without division of the small bowel mesentery or closure of mesenteric defects does not result in an increased incidence of internal hernias. The laparoscopic approach for reexploration appears to be an effective and safe option.

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