Weight Loss and Complications After Vertical Banded Gastroplasty
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We have performed 124 vertical banded gastroplasties (VBG) according to Mason, except that we used a collar 5.5 cm in circumference. We carried out a midline incision in 68 cases and a left subcostal incision in 56, with double application of a 2-row stapler with reinforcement in the first 69 cases and a single application of a 4-row stapler in 55 (15 with reinforcement, 40 without). We have followed 107 (86.2%) patients for a mean of 30 months (range 3-84). The mortality rate was nil. The intraoperative complications were three spleen lacerations (splenectomy), and the early complications were two gastric leaks (re-intervention) and one gastric bleeding. The late complications were one gastric perforation (re-intervention), four outlet stenoses (one re-intervention), one bleeding by collar erosion and nine ventral hernias (occurring only with the midline incision). The percentage excess weight loss was 46.3 ± 16.4 at 6 months, 53.4 ± 17.9 at 1 year, 47.8 ± 19.6 at 3 years, and 45 ± 23.3 at 5 years. In 12 cases the weight loss was unsatisfactory (less than 30% of the initial excess weight). Often such failures were due to staple-line disruption. We have had no staple-line disruptions since we stopped performing the reinforcement. VBG has a low incidence of complications, but sometimes these may be serious. In our opinion, the technical procedures which offer a stronger vertical partition give better results for weight loss.
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