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- W2037379240 abstract "Delayed hemorrhage is an infrequent, but serious complication of colonoscopic polypectomy. Large size is the only polyp-related factor that has been unequivocally proven to increase the risk of delayed bleeding. It has been suggested that location in the right hemi-colon is also a risk factor. The objective of this study was to determine whether polyp location is an independent risk factor for delayed post-polypectomy hemorrhage.A retrospective case-control study was conducted in two university hospitals and two community hospitals.Thirty-nine cases and 117 controls were identified. In multivariate analysis, size and location were found to be independent polyp-related risk factors for delayed type hemorrhage. The risk increased by 13% for every 1 mm increase in polyp diameter (odds ratio (OR) 1.13, 95% confidence interval (CI) 1.05-1.20, P<0.001). Polyps located in the right hemi-colon had an OR of 4.67 (1.88-11.61, P=0.001) for delayed hemorrhage. Polyps in the cecum seemed to be especially at high risk in univariate analysis (OR 13.82, 95% CI 2.66-71.73), but this could not be assessed in multivariate analysis as the number of cases was too small. Polyp type (sessile or pedunculated) was not a risk factor.Polyp location in the right hemi-colon seems to be an independent and substantial risk factor for delayed post-polypectomy hemorrhage. A low threshold for preventive hemostatic measures is advised when removing polyps from this region." @default.
- W2037379240 created "2016-06-24" @default.
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- W2037379240 date "2011-06-01" @default.
- W2037379240 modified "2023-10-07" @default.
- W2037379240 title "Location in the Right Hemi-Colon Is an Independent Risk Factor for Delayed Post-Polypectomy Hemorrhage: A Multi-Center Case–Control Study" @default.
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- W2037379240 doi "https://doi.org/10.1038/ajg.2010.507" @default.
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