Is endoscopic hemostasis safe and effective for delayed post-polypectomy bleeding?
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Background: Delayed post-polypectomy bleeding (DPPB) is a serious complication of polypectomy that is poorly understood. The aim of this study was to evaluate the effectiveness of endoscopic hemostasis in managing DPPB and to identify associated risk factors. Methods: We retrospectively analyzed 289 patients who experienced DPPB (≥ 24 hours after polypectomy) and underwent endoscopic hemostasis at five university hospitals between 2005 and 2018. Patient characteristics, polyp size, technical factors, rebleeding, complications, and length of hospitalization were assessed. Results: Endoscopic hemostasis was successful in all 289 cases of DPPB. The techniques and devices employed included epinephrine injection (24.9%), argon plasma coagulation (18.0%), hemostatic forceps (10.7%), and hemoclips (87.9%). Rebleeding occurred in 15 cases (5.2%) after initial endoscopic hemostasis. The incidence of rebleeding was significantly associated with polyp size (< 10 mm: 2.8%, 10 mm–19 mm: 5.6%, ≥ 20 mm: 13.5%, P = 0.030) and sedation status (yes: 1.8%, no: 7.3%, P = 0.040). However, hemostasis method, bleeding characteristics, and polyp location were not significantly linked to rebleeding. Multivariate analysis revealed that polyp size (odds ratio, 5.02; 95% confidence interval, 1.25–20.13; P = 0.023) was significantly associated with rebleeding after endoscopic hemostasis for DPPB. In all 15 cases of rebleeding, a second endoscopic hemostasis was successfully performed without the need for embolization or surgical intervention. No perforations occurred during the first or second endoscopic hemostatic procedures. Conclusion: Polyp size and sedation status were associated with rebleeding after endoscopic hemostasis for DPPB. As an intervention for DPPB, endoscopic hemostasis appears safe and effective.
Abstract
Background: Delayed post-polypectomy bleeding (DPPB) is a serious complication of polypectomy that is poorly understood. The aim of this study was to evaluate the effectiveness of endoscopic hemostasis in managing DPPB and to identify associated risk factors. Methods: We retrospectively analyzed 289 patients who experienced DPPB (≥ 24 hours after polypectomy) and underwent endoscopic hemostasis at five university hospitals between 2005 and 2018. Patient characteristics, polyp size, technical factors, rebleeding, complications, and length of hospitalization were assessed. Results: Endoscopic hemostasis was successful in all 289 cases of DPPB. The techniques and devices employed included epinephrine injection (24.9%), argon plasma coagulation (18.0%), hemostatic forceps (10.7%), and hemoclips (87.9%). Rebleeding occurred in 15 cases (5.2%) after initial endoscopic hemostasis. The incidence of rebleeding was significantly associated with polyp size (< 10 mm: 2.8%, 10 mm–19 mm: 5.6%, ≥ 20 mm: 13.5%, P = 0.030) and sedation status (yes: 1.8%, no: 7.3%, P = 0.040). However, hemostasis method, bleeding characteristics, and polyp location were not significantly linked to rebleeding. Multivariate analysis revealed that polyp size (odds ratio, 5.02; 95% confidence interval, 1.25–20.13; P = 0.023) was significantly associated with rebleeding after endoscopic hemostasis for DPPB. In all 15 cases of rebleeding, a second endoscopic hemostasis was successfully performed without the need for embolization or surgical intervention. No perforations occurred during the first or second endoscopic hemostatic procedures. Conclusion: Polyp size and sedation status were associated with rebleeding after endoscopic hemostasis for DPPB. As an intervention for DPPB, endoscopic hemostasis appears safe and effective.
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