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. 2022 Sep;32(9):2930-2937.
doi: 10.1007/s11695-022-06172-z. Epub 2022 Jul 1.

Clinical Endoscopic and Histologic Findings of a Long-Term Follow-Up (10.7 Years) After Roux-en-Y Laparoscopic Gastric Bypass: a Prospective Study

Affiliations

Clinical Endoscopic and Histologic Findings of a Long-Term Follow-Up (10.7 Years) After Roux-en-Y Laparoscopic Gastric Bypass: a Prospective Study

Attila J Csendes et al. Obes Surg. 2022 Sep.

Abstract

Introduction: Bariatric surgery, with laparoscopic Roux-en-Y gastric bypass (LYGB), is one of the most effective treatments for long-term weight loss. However, there are few publications concerning endoscopic evaluations at late control. The purpose was to evaluate the macroscopic and histological findings at the distal esophagus, gastric pouch, jejunal limb and the evolution of Barrett's esophagus (BE) in the long term.

Methods: Cohort of 110 patients with obesity underwent LYGB in a university hospital. Several clinical, endoscopic and histological evaluations were performed after surgery. Exclusion criteria were previous bariatric procedure, hiatal hernia > 4 cm, BE with histological dysplasia and body mass index (BMI) > 50 kg/m2.

Results: Average age was 38.7 ± 9 years with 70% females. BMI averaged 39.6 ± 6 kg/m2. Follow-up was 10.7 ± 2 years, and 18 patients (16.4%) were lost. The total weight loss was 23.4 ± 7 kg. Erosive esophagitis, present in 33% of patients, decreased to 5%. After surgery, intestinal metaplasia regressed to cardial mucosa in 5 of 8 patients. One patient developed a short-segment BE. The level of control to gastroesophageal reflux disease (GERD) symptom control was 87% to responders (Visick I-II) and 13% to non-responders (Visick III-IV). An increase in dilated cardia type III was observed (p < 0.001). The length of the gastric pouch increased significantly after surgery (p < 0.001). Anastomotic ulcers healed at 6 months with proton pump inhibitor (PPI) use, without recurrence.

Conclusion: LYGB is a very effective surgical procedure to control symptoms of GERD and/or endoscopic erosive esophagitis. Besides, regression of Barrett's mucosa to carditis occurred in 62%.

Keywords: Barretts esophagus; Endoscopy; Roux-en-Y Laparoscopic Gastric Bypass.

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