Traditional Versus Single-site Placement of Adjustable Gastric Banding: A Comparative Study and Cost Analysis

Abstract

In bariatric surgery, laparoscopic adjustable gastric banding (LAGB) has proven effective in reducing weight and improving obesity-associated comorbidities. Recently, however, laparoendoscopic single-site (LESS) surgery has been proposed to minimize the invasiveness of laparoscopic surgery. The aim of this study is to compare the operative cost and peri-operative outcomes of these two approaches. We undertook a retrospective review of a prospectively maintained database of patients undergoing either LAGB or LESS between March 2006 and October 2009. The outcomes and cost of 25 LESS gastric bandings were compared to 121 standard LAGB. Costs included operative time, consumables, and laparoscopic tower depreciation. Both groups had similar patient demographics, body mass index, and comorbidities; with the exception of age (37 year for single site vs. 44 years for standard; P=0.002). There were no statistical differences for operative time (78 vs. 76 min, P=0.69), blood loss (8.4 vs. 9 ml, P=0.76), pain score (0.81 vs. 0.84 at 1 week, P=0.95) or complication rates (12% vs. 14%, P=1). Length of stay was shorter for the LESS group (0.5 day vs. 1.5 days, P=0.02). The mean operative cost for the LESS banding was $20,502/case vs. $20,346/case for the standard LAGB, with no statistically significant difference between the approaches (P=0.73). Operative costs and peri-operative outcomes of LESS gastric banding are comparable with those of the standard LAGB procedure. As a result, single-site surgery can be proposed as a valid alternative to the standard procedure with cosmetic advantage and comparable complication rate.

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