Laparoscopic transgastric endoscopy after Roux-en-Y gastric bypass

Federico A Ceppa, Daniel J Gagné, Pavlos K Papasavas, Philip F Caushaj
Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery 2007, 3 (1): 21-4

BACKGROUND: Access and endoscopic evaluation of the bypassed stomach is difficult after laparoscopic Roux-en-Y gastric bypass. We propose a minimally invasive technique to access the bypassed stomach after Roux-en-Y gastric bypass for endoscopic diagnosis and treatment.

METHODS: First, we established carbon dioxide pneumoperitoneum to a pressure of 12-15 mm Hg. Next, 12-mm umbilical, 5-mm right upper quadrant, 5-mm left lower quadrant, and 15-mm left upper quadrant trocars were placed. A purse-string suture was placed on the anterior wall of the stomach. A gastrotomy was made using ultrasonic shears and the 15-mm trocar was placed into the stomach. The endoscope was then inserted through the 15-mm trocar, and the pneumoperitoneum was decreased to 10 mm Hg. Once the evaluation was complete, the gastrotomy was closed with a running suture or linear stapler.

RESULTS: Ten patients at our institution have undergone laparoscopic transgastric endoscopy. Five patients had biliary pathologic findings. Four of these patients underwent successful endoscopic retrograde cholangiopancreatography and papillotomy; the procedure in the fifth patient was unsuccessful because stone impaction at the ampulla. Three patients were evaluated for gastrointestinal bleeding. One was diagnosed with a duodenal gastrointestinal stromal tumor, one with a bleeding duodenal ulcer, requiring surgical exploration; and the third had negative endoscopy findings. Two patients evaluated for chronic abdominal pain had negative endoscopy findings. No complications developed.

CONCLUSIONS: Laparoscopic transgastric endoscopy is a safe and minimally invasive approach for the evaluation of the gastric remnant, duodenum, and biliary tree in patients who have undergone Roux-en-Y gastric bypass.

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