Abstract
Introduction
Laparoscopic adjustable gastric banding (LAGB) has a considerable failure rate. Laparoscopic Roux-en-Y gastric bypass (LRYGB) is one of the rescue options. This study aims to compare the complication rates and outcomes between LAGB converted to LRYGB and primary LRYGB.
Materials and Methods
A retrospective analysis was performed in all patients converted from LAGB to LRYGB between January 2007 and March 2017. This group was compared to a matched cohort of primary LRYGB patients operated during the same period. Early and late complications, weight loss, and improvement of comorbidities were analyzed.
Results
One hundred sixty-one revisional LRYGB patients were compared to a similar number of primary LRYGB patients. Preoperative age, gender distribution, weight, and BMI were comparable. Mean operative time was longer in the revisional group (137.7 vs. 112.7 min, respectively, P < 0.001). The overall early complication rates were comparable between the groups (7.5 vs. 11.8%, P = 0.16), including postoperative leak rate (0.62%). Follow-up of at least 6 months was attained in 78% of the patients. Revisional cases demonstrated less weight loss (61.5 vs. 73.5%EWL, respectively, P = 0.004) and slightly less improvement of comorbidities (75.0 vs. 85.7%, respectively, P = 0.09). The late complication rate was comparable (8.1 vs. 8.1%, P = 1.0).
Conclusion
Albeit longer operating time, revision of LAGB to LRYGB is a safe procedure, with similar complication rates when compared to primary LRYGB. Although revisional LRYGB does result in less weight loss than primary LRYGB, the procedure’s safety makes it a very plausible option as a rescue operation for failed LAGB.
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The study was approved by our institution’s ethics review board. Due to the retrospective nature of the investigation, no informed patient consent was required. All procedures performed in the study were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Al-Kurd, A., Grinbaum, R., Abubeih, A. et al. Conversion of Laparoscopic Adjustable Gastric Banding to Gastric Bypass: a Comparison to Primary Gastric Bypass. OBES SURG 28, 1519–1525 (2018). https://doi.org/10.1007/s11695-017-3047-1
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DOI: https://doi.org/10.1007/s11695-017-3047-1