Bariatric operations may cause or cure gastroesophageal reflux disease (GERD). The comprehension of esophageal motility following different types of bariatric procedures may help understand the relationship between GERD and bariatric surgery. This review focused on the impact of bariatric procedures on esophageal motility. We found that lower esophageal sphincter resting pressure is increased after adjustable gastric banding; is unaltered or decreased after Roux-en-Y gastric bypass; and is decreased after sleeve gastrectomy. Lower esophageal sphincter relaxation may be abnormal after all these procedures. Esophageal body contractility is worsened after sleeve gastrectomy.
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