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Laparoscopic conversion of adjustable gastric banding and vertical banded gastroplasty to duodenal switch

par Dapri, Giovanni ;Cadière, Guy-Bernard ;Himpens, Jacques
Référence Surgery for obesity and related diseases, 5, 6, page (678-683)
Publication Publié, 2009-11

Article révisé par les pairs

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Résumé :

Background: The aim of this retrospective consecutive study was to evaluate the feasibility, safety, and efficacy of the conversion of laparoscopic adjustable gastric banding (LAGB) and open vertical banded gastroplasty (VBG) into duodenal switch (DS) by laparoscopy. Methods: From November 2003 to February 2007, laparoscopic conversion into DS was performed in 1-step in 43 patients, 31 after LAGB and 12 after VBG. The reason for conversion was weight loss issues, such as insufficient excess weight loss (EWL) or weight regain. The mean interval from LAGB and VBG to conversion to the DS was 42.7 ± 28.7 months and 172.2 ± 86.9 months, respectively. The mean %EWL at conversion was 8.3% ± 19.3% after LAGB and 20.8% ± 30% after VBG. Results: The mean operative time was 205.8 ± 44.8 minutes for LAGB and 210.9 ± 53.7 minutes for VBG. No conversions to open surgery occurred. One patient in the LAGB group died on the third postoperative day of sudden death syndrome, as shown by the postmortem examination. Major complications occurred in 6.4% of patients with LAGB (1 hemoperitoneum and 1 ileoileostomy leak) and in 50% with VBG (1 sleeve gastrectomy leak with subsequent duodenoileostomy leak, 3 duodenoileostomy leaks, 1 pancreatitis, and 1 respiratory insufficiency). The mean hospital stay was 5.5 ± 5 days for the LAGB group and 34.5 ± 50.3 days for the VBG group. After a mean follow-up of 28 ± 15.7 months for LAGB to DS and 43.5 ± 6 months for VBG to DS, reoperations for late complications were required in 6 patients (20.6%) in the LAGB to DS group and in 5 patients (62.5%) in the VBG to DS group. Three patients (25%) died within 8 months after conversion of VBG. The 29 surviving patients (LAGB to DS) showed a mean %EWL and percentage of excess body mass index loss of (%EBMIL) 78.4% ± 24.9% and 77.8% ± 23.7%, respectively. The 8 surviving patients (VBG to DS) had a mean %EWL and %EBMIL of 85.1% ± 20% and 85.8% ± 18.7%, respectively. Conclusion: According to these results, laparoscopic conversion of LAGB to DS seems feasible and effective, despite the 1 death. However, in our hands, laparoscopic conversion of VBG to DS had an unacceptable rate of complications and deaths. © 2009 American Society for Metabolic and Bariatric Surgery.