Background: Dehydration is the most common cause of readmission after laparoscopic sleeve gastrectomy (SG). Bougie size and distance from the pylorus, both of which have been associated with rates of dehydration postoperatively, varies by surgeon and across institutions.
Objectives: To determine if there is an association between bougie size or distance from the pylorus on the rate of dehydration after laparoscopic SG.
Setting: American College of Surgeons Metabolic and Bariatric Surgery Accreditation Quality Improvement Program database.
Methods: All patients undergoing first-time, elective laparoscopic SG from 2015-2016 were identified. The association of bougie size and distance from the pylorus on the rate of dehydration within the first 30 days postoperatively was investigated.
Results: The inclusion criteria were met by 170,751 patients. The most commonly used bougie size was 36 Fr and the most common distance from the pylorus at which the gastric sleeve was started was 5 cm. Patients were divided into 4 groups based on bougie size and distance from the pylorus (Group 1: bougie size <36 Fr, pylorus distance <4 cm; Group 2: bougie size ≥36 Fr, pylorus distance <4 cm; Group 3: bougie size ≥36 Fr, pylorus distance ≥4 cm; and Group 4: bougie size <36 Fr, pylorus distance ≥4 cm). Patients in Group 4 were significantly less likely than any other group to experience dehydration-related complications.
Conclusion: Both distance from the pylorus and bougie size are significantly associated with dehydration-related complications after SG. Consideration should be made for standardizing these technical aspects of SG to help reduce the rate of postoperative dehydration and hospital readmission.
Keywords: Bariatric surgery; Dehydration; Morbidity; Readmission; Sleeve gastrectomy.
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