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Article Abstract
Background: Studies evaluating endoscopic full-thickness resection (EFTR) and endoscopic submucosal dissection (ESD) for complex colorectal lesions have shown variable results. We conducted a meta-analysis of the available data.
Methods: Online databases were searched for studies comparing EFTR versus ESD for complex colorectal lesions. The outcomes of interest were resection rates, procedure time (min), and complications. Pooled odds ratios (OR) and standardized mean difference (SMD) along with 95% CI were calculated.
Results: A total of 4 studies with 530 patients (n=215 EFTR, n=315 ESD) were included. The mean follow-up duration was 5 months. The mean age of the patients was 68 years and 64% were men. The EFTR and ESD groups had similar rates of en bloc resection (OR: 1.73, 95% CI: 0.60-4.97, P =0.31) and R0 resection (OR: 1.52, 95% CI: 0.55-4.14, P =0.42). The EFTR group had significantly reduced procedure time (SMD -1.87, 95% CI: -3.13 to -0.61, P =0.004), total complications (OR: 0.24, 95% CI: 0.13-0.44, P <0.00001), perforation (OR: 0.12, 95% CI: 0.03-0.39, P =0.0005) and postresection electrocoagulation syndrome (OR: 0.06, 95% CI: 0.01-0.48, P =0.008). Delayed bleeding was similar in the 2 groups (OR: 0.80, 95% CI: 0.30-2.12, P =0.66). Residual/recurrent lesions were significantly higher in the EFTR group (OR: 4.67, 95% CI: 1.39-15.66, P =0.01).
Discussion: This meta-analysis of small studies with high heterogeneity showed that EFTR and ESD have comparable resection rates for complex colorectal lesions. EFTR is faster and has fewer complications, but it increases residual or recurrent lesions.
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