Abstract
Background
Revisional bariatric procedures are on the rise. The higher complexity of these procedures has been reported to lead to increased risk of complications. The objective of our study was to compare the perioperative risk profile of revisional bariatric surgery with primary bariatric surgery in our experience.
Methods
A prospectively maintained database of all patients undergoing bariatric surgery by three fellowship-trained bariatric surgeons from June 2005 to January 2013 at a center of excellence was reviewed. Patient demographics, type of initial and revisional operation, number of prior gastric surgeries, indications for revision, postoperative morbidity and mortality, length of stay, 30-day readmissions, and reoperations were recorded. These outcomes were compared between revisional and primary procedures by the Mann–Whitney or Chi square tests.
Results
Of 1,556 patients undergoing bariatric surgery, 102 patients (6.5 %) underwent revisional procedures during the study period. Indications for revisions included inadequate weight loss in 67, failed fundoplications with recurrent gastroesophageal reflux disease in 29, and other in 6 cases. Revisional bariatric procedures belonged into four categories: band to sleeve gastrectomy (n = 23), band to Roux-en-Y gastric bypass (n = 25), fundoplication to bypass (n = 29), and other (n = 25). Revisional procedures were associated with higher rates of readmissions and overall morbidity but no differences in leak rates and mortality compared with primary procedures. Band revisions had similar length of stay with primary procedures and had fewer complications compared with other revisions. Patients undergoing fundoplication to bypass revisions were older, had a higher number of prior gastric procedures, and the highest morbidity (40 %) and reoperation (20 %) rates.
Conclusions
In experienced hands, many revisional bariatric procedures can be accomplished safely, with excellent perioperative outcomes that are similar to primary procedures. As the complexity of the revisional procedure and number of prior surgeries increases, however, so does the perioperative morbidity, with fundoplication revisions to gastric bypass representing the highest risk group.
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Disclosures
Dr. Dimitrios Stefanidis has received honoraria for speaking engagements with W.L. Gore and Davol and has Ethicon grant support. Dr. Keith Gersin is a consultant and has ownership interest with GI Dynamics Inc. and has received honoraria for speaking engagements with W.L. Gore and Cadence Pharma. Dr. Timothy Kuwada has received honoraria for speaking engagements with W.L. Gore and Davol. Drs. Kishore Malireddy, Ryan Phillips, and Evan Zoog have no conflicts of interest or financial ties to disclose.
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Stefanidis, D., Malireddy, K., Kuwada, T. et al. Revisional bariatric surgery: perioperative morbidity is determined by type of procedure. Surg Endosc 27, 4504–4510 (2013). https://doi.org/10.1007/s00464-013-3097-y
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DOI: https://doi.org/10.1007/s00464-013-3097-y