Comparative Performance of Image-Enhanced Endoscopy for Adenoma and Sessile Serrated Lesion Detection: A Network Meta-Analysis.

Authors

Satoshi Shinozaki, Jun Watanabe, Tomonori Yano

Published in

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society. Volume 38. Issue 8. Pages e70262.

Abstract

Image-enhanced endoscopy (IEE) technologies have been developed to improve colorectal polyp detection, but their comparative efficacy remains uncertain. We performed a network meta-analysis to compare the efficacy of major IEE modalities on colorectal polyp detection.
We searched MEDLINE, Embase, and CENTRAL for randomized controlled trials comparing seven IEE modalities (autofluorescence imaging, blue-light imaging, flexible spectral imaging color enhancement, i-scan, linked color imaging [LCI], narrow band imaging [NBI], and texture and color enhancement imaging [TXI]) with white-light imaging (WLI). The primary outcome was the comparison of performance of IEE systems in adenoma detection rate (ADR); the secondary outcome was sessile serrated lesion detection rate (SSLDR). We estimated the number needed to screen (NNS) with 95% credible intervals (CrIs). Study credibility was assessed using the Confidence in Network Meta-analysis (CINeMA) framework.
Fifty-three randomized controlled trials encompassing 34,364 patients were included. Compared with WLI, moderate-confidence evidence supported improvements in ADR with TXI (NNS 13, 95% CrIs 7-32), LCI (NNS 17, 95% CrIs 11-31), and NBI (NNS 35, 95% CrIs 18-139), whereas low-confidence evidence supported benefits for i-scan (NNS 7, 95% CrIs 3-18). Direct comparison across IEEs demonstrated little-to-no clinically meaningful differences in ADR. For SSLDR, moderate-confidence evidence supported improvements with LCI (NNS 29, 95% CrIs 15-96) and NBI (NNS 38, 95% CrIs 19-143) compared with WLI.
LCI demonstrated the most robust and reproducible performance across multiple analyses with moderate-confidence evidence, although differences among IEE modalities were generally modest.

PMID:
42608031
Bibliographic data and abstract were imported from PubMed on 18 Aug 2026.

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