Abstract
Background
Leaks following bariatric surgery, while rare, are potentially fatal due to risk of peritonitis and sepsis. Anastomotic leaks and gastro-gastric fistulae following Roux-En-Y gastric bypass (RYGB) as well as staple line leaks after sleeve gastrectomy have historically been treated multimodally with surgical drainage, aggressive antibiotic therapy, and more recently, endoscopically. Endoscopic clipping using over-the-scope clips and endoscopic suturing are two of the most common approaches used to achieve full thickness closure.
Methods
A systematic literature search was performed in PubMed to identify articles on the use of endoscopic clipping or suturing for the treatment of leaks and fistulae following bariatric surgery. Studies focusing on stents, and those that incorporated multiple closure techniques simultaneously, were excluded. Literature review and meta-analysis were performed with the PRISMA guidelines.
Results
Five studies with 61 patients that underwent over-the-scope clip (OTSC) closure were included. The pooled proportion of successful closure across the studies was 81.1% (95% CI 67.3 to 91.7). The successful closure rates were homogeneous (I2 = 39%, p = 0.15). Three studies with 92 patients that underwent endoscopic suturing were included. The weighted pooled proportion of successful closure across the studies was shown to be 22.4% (95% CI 14.6 to 31.3). The successful closure rates were homogeneous (I2 = 0%, p = 0.44). Three of the studies, totaling 34 patients, examining OTSC deployment reported data for reintervention rate. The weighted pooled proportion of reintervention across the studies was 35.0% (95% CI 11.7 to 64.7). We noticed statistically significant heterogeneity (I2 = 68%, p = 0.04). One study, with 20 patients examining endoscopic suturing, reported rate of repeat intervention 60%.
Conclusion
Observational reports show that patients managed with OTSC were more likely to experience healing of their defect than those managed with endoscopic suturing. Larger controlled studies comparing different closure devices for bariatric leaks should be carried out to better understand the ideal endoscopic approach to these complications.
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Dr. Christopher DuCoin has received consulting fees from Intuitive, Medtronic, and Johnson & Johnson. Dr. Salvatore Docimo has received speaker payments from BD, Medtronic, and Boston Scientific. Mr. William Doyle, Mr. Alexander Netzley, Dr. Rahul Mhaskar, Dr. Abdul Diab, Dr. Samer Ganam, and Dr. Joseph Sujka have no conflicts of interest to disclose.
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Doyle, W.N., Netzley, A., Mhaskar, R. et al. Endoscopic closure techniques of bariatric surgery complications: a meta-analysis. Surg Endosc (2024). https://doi.org/10.1007/s00464-024-10799-7
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DOI: https://doi.org/10.1007/s00464-024-10799-7