Italian Group for Lap-Band System®: Results of Multicenter Study on Patients with BMI ≤35 kg/m2
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Background: The Lap-Band System® is the most common bariatric operation world-wide. Current selection criteria do not include patients with BMI ≤ 35. We report the Italian multicentre experience with BMI ≤ 35 kg/m2 over the last 5 years. Patients and Methods: Data were obtained from 27 centres involved in the Italian Collaborative Study Group for Lap-Band System®. Detailed information was collected on a specially created electronic data sheet (MS Access 2000) on patients operated in Italy since January 1996. Items regarding patients with BMI ≤ 35 were selected. Data were expressed as mean ± SD except as otherwise indicated. Results: 225 (6.8%) out of 3,319 Lap-Band® patients were recruited from the data-base. 15 patients, previously submitted to another bariatric procedure (BIB =14; VBG= 1) were excluded. 210 patients were eligible for study (34M/176F, mean age 38.19±11.8, range 17-66 years, mean BMI 33.9±1.1, range 25.1-35 kg/m2, mean excess weight 29.5±7.1, range 8-41). 199 comorbidities were diagnosed preoperatively in 55/210 patients (26.2%). 1 patient (0.4%) (35 F) died 20 months postoperatively from sepsis following perforation of dilated gastric pouch. There were no conversions to laparotomy. Postoperative complications presented in 17/210 patients (8.1%). Follow-up was obtained at 6, 12, 24, 36, 48 and 60 months. At these time periods, mean BMI was 31.1±2.15, 29.7±2.19, 28.7±3.8, 26.7±4.3, 27.9±3.2, and 28.2±0.9 kg/m2 respectively. Co-morbidities completely resolved 1 year postoperatively in 49/55 patients (89.1%). At 60 months follow-up, only 1 patient (0.4%) has a BMI >30. Conclusions: Although surgical indications for BMI ≤ 35 remain questionable, the Lap-Band® in this study demonstrated that all but 1 patient achieved normal weight, and most lost their co-morbidities with a very low mortality rate.
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