Longitudinal Gastrectomy as a Treatment for the High-Risk Super-Obese Patient
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Background: Bariatric surgery in patients with significant co-morbid conditions is associated with increased perioperative risk. Methods: From 1995-2001, 795 patients were operated upon at our institution for the diagnosis of morbid obesity. Of these, 671 (84.4%) had the duodenal switch (DS) procedure. Longitudinal gastrectomy (LG) entails a greater curvature linear gastrectomy creating a gastric tube with a volume of 100 ml along the lesser curvature of the stomach. This procedure was performed for 21 patients (median age 50.5, median BMI 56). 9 patients were offered LG preoperatively because of their known high perioperative risks. 12 patients were initially planned for DS, but the procedure was limited to LG alone because of either unexpected intraoperative findings (n=9) or intraoperative hemodynamic instability (n=3). 5 patients developed complications, and there were no deaths. Results: 19 out of 21 patients were available for a median follow-up of 17.5 months (6.25-20.25). Median weight loss and median %EWL at 12 months were 44.5 kg and 45.1%, respectively. Estimated daily dietary volume at 1 year was 35% of preoperative values. Of 10 patients followed for ≥ 1 year, 4 of 10 achieved more than 50% EWL and 8 patients were taking less or were completely off medications for diabetes, hypertension and congestive heart failure. Weight loss plateaued at 1 year for the majority of patients. Conclusions: LG is a safe and effective option for high-risk morbidly obese patients. Weight reduction is accomplished by limitation of caloric intake. LG can be offered to high-risk morbidly obese patients as an interim procedure to help decrease perioperative risk before DS.
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