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자료유형
학술저널
저자정보
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제8권 제5호
발행연도
2014.1
수록면
480 - 486 (7page)

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Background/Aims: Many authors recommend performing asecond-look endoscopy (SLE) to reduce the frequency of delayedbleeding after endoscopic submucosal dissection (ESD)for gastric neoplasms, but these recommendations havebeen made despite a lack of reliable evidence supportingthe effectiveness of SLE. Methods: From January 2012 toMay 2013, we investigated 441 gastric neoplasms treated byESD to assess the risk factors for delayed bleeding. Delayedbleeding occurred in four of these lesions within 1 postoperationday. Therefore, we enrolled the patients with the remaining437 lesions to determine the utility of SLE performedon the morning of postoperative day 2. All lesions wererandomly assigned to SLE (220 lesions) groups or non-SLE(217 lesions) groups. Results: Delayed bleeding occurredin 18 lesions (4.1%). A large tumor size (>20 mm) was theonly independent risk factor for delayed bleeding (p=0.007). The chance of delayed bleeding was not significantly differentbetween the patients receiving a SLE (eight cases) andthose patients not receiving a SLE (six cases, p=0.787). Furthermore, SLE for lesions with a large tumor size did notsignificantly decrease delayed bleeding (p=0.670). Conclusions:SLE had little or no influence on the prevention ofdelayed bleeding, irrespective of the risk factors.

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