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Obes Surg. 2009 Apr;19(4):527-30. doi: 10.1007/s11695-008-9770-x. Epub 2008 Nov 26.

A new type of internal hernia after laparoscopic Roux-en-Y gastric bypass.

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1
Department of Visceral Surgery, CHUV, Lausanne, Switzerland.

Abstract

Roux-en-Y gastric bypass (RYGBP) is currently the most common bariatric procedure. One of its late complications is the development of internal hernia, which can lead to acute intestinal obstruction or recurrent colicky abdominal pain. The aim of this paper is to present a new, unusual, and so far not reported type of internal hernia. A common computerized database is maintained for all patients undergoing bariatric surgery in our departments. The charts of patients with the diagnosis of internal hernia were reviewed. Three patients were identified who developed acute intestinal obstruction due to an internal hernia located between the jejunojejunostomy and the end of the biliopancreatic limb, directly between two jejunal limbs with no mesentery involved. Another seven patients with intermittent colicky abdominal pain, re-explored for the suspicion of internal hernia, were found to also have an open window of the same location apart from a hernia at one of the typical hernia sites. Since this gap is systematically closed during RYGBP, no other patient has been observed with this problem. Even very small defects can lead to the development of internal hernias after RYGBP. Patients with suggestive symptoms must be explored. Closure of the jejunojejunal defect with nonabsorbable sutures prevents the development of an internal hernia between the jejunal loops at the jejunojejunostomy.

PMID:
19034588
DOI:
10.1007/s11695-008-9770-x
[Indexed for MEDLINE]

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