Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/37149
Title: Endoscopic submucosal dissection with suturing for the treatment of weight regain after gastric bypass: outcomes and comparison with traditional transoral outlet reduction (with video)
Authors: JIRAPINYO, PichamolMOURA, Diogo T. H. deTHOMPSON, Christopher C.
Citation: GASTROINTESTINAL ENDOSCOPY, v.91, n.6, p.1282-1288, 2020
Abstract: Background and Aims: Although traditional transoral outlet reduction (TORe) involves argon plasma coagulation (APC) before endoscopic suturing, modified endoscopic submucosal dissection (ESD) has also been used. This study aims to evaluate the safety and efficacy of modified ESD-TORe in comparison with traditional APCTORe. Methods: This was a retrospective study of prospectively collected data from patients who underwent modified ESD-TORe and APC-TORe for weight regain after Roux-en-Y gastric bypass (RYGB). Our outcomes were technical success, adverse events as categorized by the American Society for Gastrointestinal Endoscopy lexicon, and percent total weight loss (TWL) at 6 and 12 months and patients who underwent ESD-TORe were matched 1:3 based on gastrojejunal anastomosis (GJA) and pouch sizes to those who underwent APC-TORe. TWL between groups was compared. A linear regression was performed to control for any confounders. Results: Nineteen RYGB patients underwent ESD-TORe. Technical success rate was 100%, with no severe adverse events. At 6 and 12 months, patients experienced 13.4% +/- 6.6% and 12.1% +/- 9.3% TWL, respectively (P < .05 for both). Nineteen ESD-TORe patients were also matched with 57 APC-TORe patients based on GJA and pouch sizes. At 12 months, the ESD-TORe group experienced greater weight loss compared with the APC-TORe group (12.1% +/- 9.3% vs 7.5% +/- 3.3% TWL, respectively; P = .036). On regression analysis, ESD remained a significant predictor of percent of TWL at 12 months after controlling for age, sex, body mass index, weight regain, and years from RYGB (beta = 5.99, P = .02). Conclusions: Combining endoscopic tissue dissection with suturing provides greater and more durable weight loss for patients with weight regain after RYGB.
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