Stopped: Recruiting problems
An important step during a gastric bypass operation for the treatment of morbid obesity is the measuring of the small bowel length. At several reoperations we found a length increase of the lowest part of the small intestine of up to 80% compared to the measured length at the initial operation. On the one hand, this reflects a normal technical error of small bowel measuring due to the variable state of contraction of the bowel, but on the other hand, it could also be due to a compensatory increase in intestinal length after the operation. New protocols allow measuring of the small bowel length by MRI. Comparing the preoperative and later on several postoperative measurements by MRI with the initial intraoperative length measuring should allow to validate the new MRI protocol and in the same time quantify the eventual small bowel length increase. We plan to include 20 patients in this study.
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Small bowel length in vivo compared to measurements by MRI
Timeframe: preoperative, previous to hospital discharge, 6 and 12 months postoperative