Shailendra Singh1, Diogo Turiani Hourneaux de Moura2, Ahmad Khan3, Mohammad Bilal4, Michele B Ryan2, Christopher C Thompson5. 1. Division of Gastroenterology, West Virginia University Health Sciences Center Charleston Division, Charleston, West Virginia. 2. Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. 3. Department of Medicine, West Virginia University Health Sciences Center Charleston Division, Charleston, West Virginia. 4. Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts. 5. Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. Electronic address: cthompson@hms.harvard.edu.
Abstract
BACKGROUND: Endoscopic sleeve gastroplasty (ESG) has gained momentum as a promising, minimally invasive bariatric therapy worldwide. OBJECTIVE: We performed the first comprehensive systematic review and meta-analysis of studies to evaluate the efficacy, safety, and procedural technique of ESG. METHODS: Bibliographic databases were systematically searched for studies assessing patients who underwent ESG for the treatment of obesity. Studies were included if they reported percent total weight loss or percent excess weight loss and the incidence of serious adverse events. Studies with <15 patients, follow-up period <6 months, and overlapping patients were excluded. RESULTS: Eight observational studies with 1859 patients were included. Pooled mean percent total weight loss at 6, 12, and 24 months was 14.86 (95% confidence interval [CI]: 13.83-15.90), 16.43 (95%CI: 15.23-17.63), and 20.01 (95%CI: 16.92-23.11), respectively. Pooled mean percent excess weight loss at 6, 12, and 24 months was 55.75 (95%CI: 50.61-60.89), 61.84 (95%CI: 54.75-68.93), and 60.40 (95%CI: 48.88-71.92), respectively. The pooled incidence of serious adverse events was 2.26% (95%CI 1.25-4.03) and no mortality was reported. Gastrointestinal bleeding and perigastric fluid collection were the most common reported serious adverse events; however, the pooled incidence of both was <1%. Variations in procedural technique were seen, but the full-thickness nature of suturing was reported in all studies. A layer of reinforcement sutures was performed in the majority of studies (n = 6). Limitations include the lack of controlled studies, long-term follow-up data, and standardization of technique. CONCLUSION: ESG, a minimally invasive bariatric therapy, is reproducible among centers worldwide with effective weight loss and favorable safety profile outcomes. Controlled studies would be valuable to further corroborate these findings.
BACKGROUND: Endoscopic sleeve gastroplasty (ESG) has gained momentum as a promising, minimally invasive bariatric therapy worldwide. OBJECTIVE: We performed the first comprehensive systematic review and meta-analysis of studies to evaluate the efficacy, safety, and procedural technique of ESG. METHODS: Bibliographic databases were systematically searched for studies assessing patients who underwent ESG for the treatment of obesity. Studies were included if they reported percent total weight loss or percent excess weight loss and the incidence of serious adverse events. Studies with <15 patients, follow-up period <6 months, and overlapping patients were excluded. RESULTS: Eight observational studies with 1859 patients were included. Pooled mean percent total weight loss at 6, 12, and 24 months was 14.86 (95% confidence interval [CI]: 13.83-15.90), 16.43 (95%CI: 15.23-17.63), and 20.01 (95%CI: 16.92-23.11), respectively. Pooled mean percent excess weight loss at 6, 12, and 24 months was 55.75 (95%CI: 50.61-60.89), 61.84 (95%CI: 54.75-68.93), and 60.40 (95%CI: 48.88-71.92), respectively. The pooled incidence of serious adverse events was 2.26% (95%CI 1.25-4.03) and no mortality was reported. Gastrointestinal bleeding and perigastric fluid collection were the most common reported serious adverse events; however, the pooled incidence of both was <1%. Variations in procedural technique were seen, but the full-thickness nature of suturing was reported in all studies. A layer of reinforcement sutures was performed in the majority of studies (n = 6). Limitations include the lack of controlled studies, long-term follow-up data, and standardization of technique. CONCLUSION:ESG, a minimally invasive bariatric therapy, is reproducible among centers worldwide with effective weight loss and favorable safety profile outcomes. Controlled studies would be valuable to further corroborate these findings.
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