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Risk factors for bleeding after endoscopic mucosal resection.
Masatsugu Shiba1, Kazuhide Higuchi, Kaori Kadouchi
1Department of Gastroenterology, Osaka City University Medical School, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan.
World Journal of Gastroenterology
|January 27, 2006
Summary
Endoscopic mucosal resection (EMR) bleeding risk is influenced by tumor size, pattern, and the cutting method used. Understanding these factors helps predict and manage post-procedure bleeding events.
Area of Science:
- Gastroenterology
- Endoscopic Surgery
- Clinical Research
Background:
- Endoscopic mucosal resection (EMR) is a common procedure for gastrointestinal lesion removal.
- Post-EMR bleeding is a significant complication requiring careful risk assessment.
Purpose of the Study:
- To identify and clarify the key risk factors associated with bleeding after endoscopic mucosal resection (EMR).
Main Methods:
- A cohort of 297 patients undergoing EMR was analyzed.
- Logistic regression with multivariate adjustments was used to determine odds ratios (OR) for bleeding.
- Bleeding was defined as requiring endoscopic treatment post-EMR.
Main Results:
- A 19.2% incidence of post-EMR bleeding was observed.
- EMR cutting method (endoscopic aspiration mucosectomy vs. strip biopsy), tumor diameter (larger tumors), and tumor endoscopic pattern (depressed type) were significant risk factors.
- Multivariate analysis showed increased ORs for bleeding with specific cutting methods, larger tumor diameters (16-50 mm), and depressed tumor types.
Conclusions:
- Tumor characteristics, including size and endoscopic pattern, are crucial for predicting bleeding risk after EMR.
- The choice of EMR cutting method also plays a significant role in the likelihood of post-procedure bleeding.