Background: Obesity is ordinarily accompanying gastro esophageal reflux disease. Thus, losing weight will improve it. In contrary it
can occur after bariatric surgery as a complication and in some cases, it may appear and develop for the first time as consequence of
bariatric surgery. Aims: To determine the association between gastro esophageal reflux disease and bariatric surgery among patients
underwent bariatric surgery in Hail region, Saudi Arabia. Methodology: From February to June 2022, a cross sectional study included
all patients who underwent bariatric surgery in Hail region. The extracted data had been manipulated statistically using IBM SPSS
version 22.0. Results: Out of 477 patients that managed by the mean of bariatric surgery, 379 participants were responded effectively
to the study survey. In consideration of demographics, 41.7% of the participants were aged 15-30 years. Most of them (55.9%) were
male. Before surgery, 32.7% had gastro esophageal reflux disease and 60.5% of them had shown improvement after surgery. Post
surgical procedure, 16.1% of the participants had a newly developed gastro esophageal reflux disease. Nearly, 67.3% of the
participants had a laparoscopic sleeve gastrectomy and 48.8% were diagnosed with gastro esophageal reflux disease. Statistics
indicate that bariatric surgery and gastro esophageal reflux disease are significantly correlated (P=0.000). Conclusion: Each patient
should be made aware of the risks of gastro esophageal reflux disease accompanying such procedures.
Keywords: Bariatric, Corpulence, Gastric bypass, Gastroesophageal reflux
disease (GERD), Gastric sleeve, Obesity