Abraham Khan1, Christine Ren-Fielding, Morris Traube. 1. Department of Medicine, Center for Esophageal Disease, Weight Management Program, New York University School of Medicine, New York, NY, USA.
Abstract
BACKGROUND: Although esophageal dilation after laparoscopic adjustable gastric banding (LAGB) has been reported, the effect of banding on esophageal peristalsis, including the development of aperistalsis and its potential reversibility, have received only little attention. GOALS: Our aim was to report our experience with 6 patients who developed manometric evidence of esophageal aperistalsis after LAGB. STUDY: We retrospectively reviewed the clinical, manometric, and radiologic data of 6 patients referred between September 2005 and June 2007 to our Center for Esophageal Disease for evaluation of dysphagia or heartburn that developed after LAGB, and in whom manometric studies showed aperistalsis. Patients had the fluid in the band completely removed (N=5) or had the band removed (N=1). Reversibility of esophageal aperistalsis was then assessed. Clinical follow-up was obtained from 2009 to early 2010. RESULTS: Six patients (all female, age range, 37 to 55 y old) were evaluated because of dysphagia or heartburn after LAGB and had complete aperistalsis on manometry. Five of the 6 patients had manometry after removal of all the fluid from the band (N=4) or after surgical removal of the band (N=1). Two patients had partial return of peristalsis, 1 had normal peristalsis, and 2 others had continued aperistalsis but did show clinical improvement. Another patient had improvement of radiologic esophageal dilation but declined repeat manometry. CONCLUSIONS: LAGB can cause an achalasia-like esophageal aperistalsis that may be reversible. Gastroenterologists caring for bariatric patients need be aware of this pseudoachalasia, as the treatment of such patients differs from those with primary achalasia.
BACKGROUND: Although esophageal dilation after laparoscopic adjustable gastric banding (LAGB) has been reported, the effect of banding on esophageal peristalsis, including the development of aperistalsis and its potential reversibility, have received only little attention. GOALS: Our aim was to report our experience with 6 patients who developed manometric evidence of esophageal aperistalsis after LAGB. STUDY: We retrospectively reviewed the clinical, manometric, and radiologic data of 6 patients referred between September 2005 and June 2007 to our Center for Esophageal Disease for evaluation of dysphagia or heartburn that developed after LAGB, and in whom manometric studies showed aperistalsis. Patients had the fluid in the band completely removed (N=5) or had the band removed (N=1). Reversibility of esophageal aperistalsis was then assessed. Clinical follow-up was obtained from 2009 to early 2010. RESULTS: Six patients (all female, age range, 37 to 55 y old) were evaluated because of dysphagia or heartburn after LAGB and had complete aperistalsis on manometry. Five of the 6 patients had manometry after removal of all the fluid from the band (N=4) or after surgical removal of the band (N=1). Two patients had partial return of peristalsis, 1 had normal peristalsis, and 2 others had continued aperistalsis but did show clinical improvement. Another patient had improvement of radiologic esophageal dilation but declined repeat manometry. CONCLUSIONS: LAGB can cause an achalasia-like esophageal aperistalsis that may be reversible. Gastroenterologists caring for bariatric patients need be aware of this pseudoachalasia, as the treatment of such patients differs from those with primary achalasia.
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