Objective: This report examines the ≤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] ≥50 kg/m2).
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 (∼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/m2 (range, 32–107), with 100 (52.6%) of the patients super obese (BMI ≥50 kg/m2). 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 ≤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/m2 was 6.7% (6 of 90) and 12% (12 of 100) with a BMI ≥50 kg/m2 (NS). Surgical site infections occurred in 7 patients with a BMI <50 kg/m2 and in 12 with a BMI ≥50 kg/m2 (NS). Overall complication rate in patients with a BMI <50 kg/m2 was 14.4% (13 of 90) and 24% (24 of 100) with a BMI ≥50 kg/m2 (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.
We report ≤30 day mortality and morbidity in our first 190 duodenal switch patients. There were no deaths, 2 leaks, and an overall complication rate of 19.5%: 14.4% (13 of 90) in patients with a body mass index (BMI) <50 kg/m2 and 24% (24 of 100) with a BMI ≥50 kg/m2 (NS). Duodenal switch can be performed relatively safely in the morbidly and super morbidly obese and does not require a 2-stage procedure.
From the Department of Surgery, University of Minnesota Medical School, Minneapolis, Minnesota.
Reprints: Henry Buchwald, MD, PhD, Department of Surgery, University of Minnesota, 420 Delaware Street SE, MMC 290, Minneapolis, MN 55455. E-mail: firstname.lastname@example.org.