The OTSC®-clip in revisional endoscopy against weight gain after bariatric gastric bypass surgery.
The maintenance of the restrictive component of the Fobi pouch gastric bypass is essential for permanent weight control. Dilatation of the pouch-outlet and of the pouch itself is responsible for substantial weight gain by an increased volume per meal and binge-eating due to the rapid emptying. An endoscopic over-the-scope clip (OTSC®; Ovesco AG, Tübingen, Germany) was applied in 94 patients following gastric bypass and unintended weight gain by dilated gastro-jejunostomy to narrow the pouch-outlet. The OTSC®-clip application was safe and efficient to reduce the pouch-outlet in all cases. Best clinical results were obtained by narrowing the gastro-jejunostomy by placing two clips at opposite sites, hence reducing the outlet of more than 80%. Preferably, the clip approximated the whole thickness of the wall to avoid further dilatation of the anastomosis. Between surgery and OTSC®-clip application the mean BMI dropped from 45.8 (±3.6) to 32.8 (±1.9). At the first follow-up about 3 months (mean 118 days, ±46 days) after OTSC®-clip application the mean BMI was 29.7 (±1.8). At the second follow-up about 1 year (mean 352 days, ±66 days) after OTSC®-clip application the mean BMI was 27.4 (±3.8). The OTSC®-clip for revisional endoscopy after gastric bypass is reliable and effective in treating weight gain due to a dilated pouch-outlet with favorable short- and midterm results.
Heylen
Alex Marie Florent
AM
St.-Ursula Hospital, Kuringersteenweg 521, 3511, Kuringen, Belgium. alexheylen@hotmail.com
Jacobs
Anja
A
Lybeer
Monika
M
Prosst
Ruediger L
RL
D004108:Dilatation, Pathologic / Q000601:surgery; D004724:Endoscopy; D005260:Female; D015390:Gastric Bypass / Q000295:instrumentation* / Q000379:methods; D006801:Humans; D008297:Male; D009767:Obesity, Morbid / Q000601:surgery*; D012086:Reoperation; D013525:Surgical Instruments; D015430:Weight Gain
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