Danielle T Friedman1,2, Andrew J Duffy3. 1. Department of Surgery, Gastrointestinal Section, Yale University, New Haven, CT, USA. friedman.dt@gmail.com. 2. Department of Surgery, Jacobi Medical Center, 1400 Pelham Parkway South, Building 1, 2N25, Bronx, NY, 10461, USA. friedman.dt@gmail.com. 3. Department of Surgery, Gastrointestinal Section, Yale University, New Haven, CT, USA.
Abstract
BACKGROUND: Esophageal dilatation and dysmotility are known complications of the laparoscopic adjustable gastric band (LAGB), but their incidence varies widely in the literature. There are no formal recommendations guiding surveillance for these potentially underdiagnosed pathologies. This study demonstrates the utility and outcomes of a yearly upper gastrointestinal series screening protocol to detect and manage esophageal dysfunction after LAGB. METHODS: We reviewed charts for all patients presenting for an outpatient surgical encounter related to LAGB between January 1, 2015 and December 31, 2017. Exclusion criteria included failure to undergo UGIS 6 months or more after band placement, or having undergone band placement in combination with another bariatric procedure. Descriptive statistics were used to characterize demographics, imaging findings and surgical outcomes. All imaging classifications were based on final radiologist report. Means were compared using a Student's t test. RESULTS: A total of 322 records were reviewed with 39 patients excluded; 31 without UGIS and 8 with concomitant gastric bypass. 85% were female with an average age of 50 years. 66.8% identified as white or Caucasian with 24.7% black/African-American. Greater than 75% of the cohort had at least 5-year follow-up interval. UGIS was performed for symptoms in 66.1% and for routine screening in 33.9%. Of asymptomatic patients, 47.9% demonstrated esophageal dilatation or dysmotility on UGIS, similar to 51.3% of symptomatic patients. 96.8% of all patients went on to band removal. Sixty-four patients had repeat UGIS an average of 8 months following band removal, of which 40.6% were persistently abnormal. CONCLUSIONS: The incidence of esophageal pathology was significantly higher than most reported series, as was the number of patients with persistently abnormal UGIS despite band removal. The data supports our policy of yearly UGIS for all post-LAGB patients, with strong recommendation for band removal if esophageal dilatation or dysmotility is found.
BACKGROUND:Esophageal dilatation and dysmotility are known complications of the laparoscopic adjustable gastric band (LAGB), but their incidence varies widely in the literature. There are no formal recommendations guiding surveillance for these potentially underdiagnosed pathologies. This study demonstrates the utility and outcomes of a yearly upper gastrointestinal series screening protocol to detect and manage esophageal dysfunction after LAGB. METHODS: We reviewed charts for all patients presenting for an outpatient surgical encounter related to LAGB between January 1, 2015 and December 31, 2017. Exclusion criteria included failure to undergo UGIS 6 months or more after band placement, or having undergone band placement in combination with another bariatric procedure. Descriptive statistics were used to characterize demographics, imaging findings and surgical outcomes. All imaging classifications were based on final radiologist report. Means were compared using a Student's t test. RESULTS: A total of 322 records were reviewed with 39 patients excluded; 31 without UGIS and 8 with concomitant gastric bypass. 85% were female with an average age of 50 years. 66.8% identified as white or Caucasian with 24.7% black/African-American. Greater than 75% of the cohort had at least 5-year follow-up interval. UGIS was performed for symptoms in 66.1% and for routine screening in 33.9%. Of asymptomatic patients, 47.9% demonstrated esophageal dilatation or dysmotility on UGIS, similar to 51.3% of symptomatic patients. 96.8% of all patients went on to band removal. Sixty-four patients had repeat UGIS an average of 8 months following band removal, of which 40.6% were persistently abnormal. CONCLUSIONS: The incidence of esophageal pathology was significantly higher than most reported series, as was the number of patients with persistently abnormal UGIS despite band removal. The data supports our policy of yearly UGIS for all post-LAGB patients, with strong recommendation for band removal if esophageal dilatation or dysmotility is found.
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