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학술저널
저자정보
이정미 (울산대학교) 김완수 (울산대학교) 곽민섭 (울산대학교) 황성욱 (울산대학교) 양동훈 (울산대학교) 명승재 (울산대학교) 양석균 (울산대학교) 변정식 (울산대학교)
저널정보
대한장연구학회 Intestinal research Intestinal research Vol.15 No.2
발행연도
2017.1
수록면
221 - 227 (7page)

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Background/Aims: The clinical course after endoscopic management of delayed postpolypectomy bleeding (DPPB) has notbeen clearly determined. This study aimed to assess clinical outcomes after endoscopic hemostasis of DPPB and evaluate riskfactors for rebleeding after initial hemostasis. Methods: We reviewed medical records of 198 patients who developed DPPBand underwent endoscopic hemostasis between January 2010 and February 2015. The performance of endoscopic hemostasiswas assessed. Rebleeding negative and positive patients were compared. Results: DPPB developed 1.4±1.6 days after colonoscopicpolypectomy. All patients achieved initial hemostasis. Clipping was the most commonly used technique. Of 198 DPPBpatients, 15 (7.6%) had rebleeding 3.3±2.5 days after initial hemostasis. The number of clips required for hemostasis was higherin the rebleeding positive group (3.2±1.6 vs. 4.2±1.9, P =0.047). Combinations of clipping with other modalities such as injectionmethods were more common in the rebleeding positive group (67/291, 23.0% vs. 12/17, 70.6%; P <0.001). Multivariate analysisshowed a large number of clips and combination therapy were independent risk factors for rebleeding. All the rebleeding caseswere successfully managed by repeat endoscopic hemostasis. Conclusions: Endoscopic hemostasis is effective for the managementof DPPB because of its high initial hemostasis rate and low rebleeding rate. Endoscopists should carefully observepatients in whom a large number of clips and/or combination therapy have been used to manage DPPB because these may berelated to the severity of DPPB and a higher risk of rebleeding.

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