Risk Factors of Delayed Bleeding After Cold Snare Polypectomy for Colorectal Polyps: A Multicenter Study

Background Delayed bleeding (DB) rarely occurs after cold snare polypectomy (CSP) for colorectal polyps, but no large-scale studies have investigated this. The present study evaluated the rate, characteristics, and risk factors of DB of CSP. Methods We conducted a multicenter retrospective study at...

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Published in:Digestive diseases and sciences 2022-07, Vol.67 (7), p.3177-3184
Main Authors: Inagaki, Yoshikazu, Yoshida, Naohisa, Fukumoto, Kohei, Kassai, Kyoichi, Inoue, Ken, Hirose, Ryohei, Dohi, Osamu, Okuda, Takashi, Hasegawa, Daisuke, Okuda, Kotaro, Ogiso, Kiyoshi, Motoyoshi, Takayuki, Yoriki, Hiroyuki, Murakami, Takaaki, Itoh, Yoshito
Format: Article
Language:English
Subjects:
Anticoagulants
Biochemistry
Gastroenterology
Hepatology
Medicine
Medicine & Public Health
Morphology
Oncology
Original Article
Polyps
Polyps (Pathology)
Risk factors
Transplant Surgery
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Summary:Background Delayed bleeding (DB) rarely occurs after cold snare polypectomy (CSP) for colorectal polyps, but no large-scale studies have investigated this. The present study evaluated the rate, characteristics, and risk factors of DB of CSP. Methods We conducted a multicenter retrospective study at 10 Japanese institutions. A total of 18,007 patients underwent CSP for colorectal polyps ≤ 10 mm in size from March 2015 to September 2019, and cases of DB (DB group) were analyzed for the rate, antithrombotic drugs, polyp size, morphology, location, and risk factors. As a control, 269 non-bleeding cases (non-DB group) with 606 polyps who underwent CSP at the same 10 facilities in the 2-week study period were extracted. Results We analyzed 26 DB cases with 28 lesions, and the total DB rate was 0.14% (26/18,007). The DB group had significantly higher rates of using antiplatelets (42.3% vs. 13.0%, p  
ISSN:0163-2116
1573-2568
DOI:10.1007/s10620-021-07119-7