Abstract
Background
Although laparoscopic adjustable gastric banding (LAGB) and laparoscopic Roux-en-Y gastric bypass (LRYGB) are the most common bariatric procedures performed in the past decade, little is known about their long-term (>5 years) outcomes.
Methods
A retrospective outcome study investigated 148 consecutive patients from a single practice who underwent LAGB from November 2000 to March 2002. The group was matched with 175 consecutive patients who underwent LRYGB from June 2000 to March 2005. Follow-up data for 5 years or longer was available for 127 LAGB patients (86%) and 105 LRYGB patients (60%).
Results
After an initial 4 years of progressive weight loss, body mass index (BMI) loss stabilized at 5–7 years at approximately 15 kg/m2 for the LRYGB patients and at about 9 kg/m2 for the LAGB patients with band in place (P < 0.01). At 7 years, the excess weight loss (EWL) was 58.6% for LRYGB and 46.3% for LAGB with band in place (P < 0.01). By 7 years, 19 LAGB patients (15%) had had their bands removed, bringing the failure rate for LAGB (including patients with less than 25% EWL) to 48.3% versus 10.7% for LRYGB (P < 0.01). By 10 years, 29 (22.8%) of the bands had been removed, bringing the total LAGB failure rate to 51.1%. In 10 years, 67 LAGB (52.8%) and 43 LRYGB (41%) adverse events had occurred. However, over time, the LRYGB group experienced 9 (8.6%) serious, potentially life-threatening complications, whereas the LAGB group had none (P < 0.001). One procedure-related death occurred in the LRYGB group.
Conclusions
Over the long term, LRYGB had an approximate reduction of 15 kg/m2 BMI and 60% EWL, a significantly better outcome than LAGB patients experienced with band intact. The main issue with LAGB was its 50% failure rate in the long term, as defined by poor weight loss and percentage of band removal. Nevertheless, LAGB had a remarkably safe course, and it may therefore be considered for motivated and informed patients.
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Disclosures
Hadar Spivak was involved in the proctorship program of Ethicon Endo Surgery and Inamed corporations during the years 2002–2005. He also served on the advisory board for Bioenterics in 2001 and 2002. Hadar Spivak, Mena F. Abdelmelek, Oscar R. Beltran, Amelia W. Ng, and Seiichi Kitahama have no conflicts of interest or financial ties to disclose.
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Spivak, H., Abdelmelek, M.F., Beltran, O.R. et al. Long-term outcomes of laparoscopic adjustable gastric banding and laparoscopic Roux-en-Y gastric bypass in the United States. Surg Endosc 26, 1909–1919 (2012). https://doi.org/10.1007/s00464-011-2125-z
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DOI: https://doi.org/10.1007/s00464-011-2125-z