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Pooled analysis reveals that water exchange improves detection of advanced colorectal neoplasia, suggesting better outcomes.
Pooled analysis of four comparable RCTs showed that water exchange colonoscopy significantly improves overall and proximal colon ANDR compared to air insufflation. Further studies are needed to determine whether this translates into a reduced risk of interval colorectal cancer.
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Hsieh et al. (2026) studied this question.
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