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  • Title: Duodenal switch operative mortality and morbidity are not impacted by body mass index.
    Author: Buchwald H, Kellogg TA, Leslie DB, Ikramuddin S.
    Journal: Ann Surg; 2008 Oct; 248(4):541-8. PubMed ID: 18936566.
    Abstract:
    OBJECTIVE: This report examines the < or =30-day postoperative mortality and morbidity in our first 190 duodenal switch (DS) patients. BACKGROUND DATA: DS is the most weight loss effective and the most difficult to perform bariatric procedure. Indeed, certain surgeons have advocated a 2-stage approach to minimize complications, especially in the super obese (body mass index [BMI] > or =50 kg/m(2)). METHODS: DS procedures were performed (n = 190) by either open (n = 168) or laparoscopic/robotic surgery in an academic setting: common channel 75 to 125 cm, sleeve gastrectomy (approximately 100 mL gastric pouch), closed duodenal stump, end-to-side duodenoileostomy hand-sewn in 2 layers, with most staple lines oversewn, and all mesentery defects closed. RESULTS: For the 190 patients, 149 were female (78%) and the mean age was 43 years (range, 16-71). Mean preoperative weight 151.4 kg (range, 74.1-332.7); mean preoperative BMI 53.4 kg/m(2) (range, 32-107), with 100 (52.6%) of the patients super obese (BMI > or =50 kg/m(2)). Seventy-four patients had concurrent procedures, eg, cholecystectomy (n = 22), ventral or umbilical hernia repair (n = 19), and hiatus hernia repair (n = 10). Mean operating room time was 337 minutes (range, 127-771); mean hospitalization time was 6 days (range, 2-38). There were no deaths. Serious < or =30-day complications (n = 18 in 14 patients) consisted of 2 leaks (1.0%), which responded to drainage, and intra-abdominal bleeding (n = 3), splenectomy (n = 1), acute pancreatitis (n = 2), gastric outlet obstruction (n = 1), acute renal failure (n = 2), pneumonia (n = 2), respiratory failure (n = 3), acute myocardial infarction (n = 1), and duodenoileostomy stricture requiring endoscopic dilation (n = 1). The serious complication rate in patients with a BMI <50 kg/m(2) was 6.7% (6 of 90) and 12% (12 of 100) with a BMI > or =50 kg/m(2) (NS). Surgical site infections occurred in 7 patients with a BMI <50 kg/m(2) and in 12 with a BMI > or =50 kg/m(2) (NS). Overall complication rate in patients with a BMI <50 kg/m(2) was 14.4% (13 of 90) and 24% (24 of 100) with a BMI > or =50 kg/m(2) (NS). CONCLUSIONS: With attention to careful surgical technique, DS can be performed relatively safely in the morbidly and super morbidly obese, and does not require a 2-stage procedure.
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