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Abstract

Background: Laparoscopic sleeve gastrectomy is a well-known method for weight reduction. Post-operative weight loss is a major risk factor for gallstone formation. Objective: To determine whether prophylactic concomitant laparoscopic cholecystectomy should be performed on all patients at the time of laparoscopic sleeve gastrostomy or not. Patients and Methods: A retrospective and prospective study on 540 patients with morbid obesity who underwent laparoscopic sleeve gastrectomy; their BMI range was between 38 and 53, their age range was 18 to 63 years, and 335 of them were females. The exclusion criteria were patients with a history of cholecystectomy, gallstone patients or gallbladder polyps more than 1 cm in preoperative abdominal ultrasound, and those who failed to follow-up. All patients were followed up with every 6-12 months, including those who had cholecystectomy by other surgeons. Results: During the study period, from the total 540 patients who had laparoscopic sleeve gastrectomy, 167 patients (30.92%) had cholecystectomy, out of which 20 patients (3.7%) had achieved 45% weight reduction during the first six months; while in another 6 months, 147 patients (27.22%) had cholecystectomy, achieving additional 30% weight reduction. Conclusions: The incidence of gallstones after laparoscopic sleeve gastrostomy is about 30.92%, indicating that 69.08% will not have gallstones in the postoperative follow-up period, so it would be unwise to do prophylactic concomitant cholecystectomy for all patients.