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. 2020 Nov;16(11):1828-1836.
doi: 10.1016/j.soard.2020.06.016. Epub 2020 Jun 17.

Incidence of GERD, esophagitis, Barrett's esophagus, and esophageal adenocarcinoma after bariatric surgery

Lisa A Bevilacqua  1 , Nabeel R Obeid  2 , Jie Yang  3 , Chencan Zhu  4 , Maria S Altieri  5 , Konstantinos Spaniolas  5 , Aurora D Pryor  6
Affiliations

Incidence of GERD, esophagitis, Barrett's esophagus, and esophageal adenocarcinoma after bariatric surgery

Lisa A Bevilacqua et al. Surg Obes Relat Dis. 2020 Nov.

Abstract

Background: Some bariatric procedures have been associated with increased gastroesophageal reflux disease (GERD) symptoms; however, there are limited data on the long-term changes to the esophagus across bariatric procedures, and how preoperative esophageal disease is impacted by bariatric surgery.

Objectives: To estimate incidence of GERD, esophagitis, Barrett's esophagus, and esophageal adenocarcinoma before and after bariatric surgery and to identify potential risk factors for these conditions.

Setting: Retrospective analysis of New York State Database (SPARCS).

Methods: Adult patients undergoing bariatric surgery (Roux-en-Y gastric bypass, adjustable gastric banding, laparoscopic sleeve gastrectomy, and biliopancreatic diversion) from 1995 to 2010. Multivariable Cox proportional hazard models were used to examine the association between preoperative diagnosis, surgery type, and postoperative diagnosis.

Results: A total of 48,967 records were analyzed; 30.3% had a diagnosis of GERD at the time of surgery and .4% had a diagnosis of esophagitis and Barrett's. Preoperative GERD/esophagitis/Barrett's was associated with higher risk of GERD, esophagitis, and Barrett's, but not esophageal adenocarcinoma, postoperatively. Roux-en-Y gastric bypass patients had lowest risk of being diagnosed with GERD postoperatively. Overall, esophageal adenocarcinoma incidence in the sample was .04%; the rate among patients with preoperative GERD and Barrett's was .1% and .9%, respectively. Incidence of esophageal adenocarcinoma did not differ by bariatric surgery type.

Conclusions: Preoperative diagnosis is a risk factor for postoperative esophageal disease after bariatric surgery. Adjustable gastric banding and laparoscopic sleeve gastrectomy are associated with higher risk of postoperative GERD and esophagitis compared with Roux-en-Y gastric bypass. Incidence of esophageal adenocarcinoma did not differ by surgery type.

Keywords: Bariatric surgery; Barrett’s esophagus; Esophageal adenocarcinoma; Esophagitis; GERD.

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