Submucosal Injection Using Epinephrine-Added Saline in Cold Snare Polypectomy for Colorectal Polyps Shortens Time Required for Resection: A Randomized Controlled Study

被引：9

作者：

Katagiri, Atsushi ^{[1
]}

Suzuki, Norihiro ^{[1
]}

Nakatani, Shinya ^{[1
]}

Kikuchi, Kazuo ^{[1
]}

Fujiwara, Takahisa ^{[1
]}

Gocho, Toshihiko ^{[1
]}

Konda, Kenichi ^{[1
]}

Inoki, Kazuya ^{[1
]}

Yamamura, Fuyuhiko ^{[1
]}

Yoshida, Hitoshi ^{[1
]}

机构：

[1] Showa Univ, Dept Med, Div Gastroenterol, Sch Med, Tokyo, Japan

来源：

CUREUS JOURNAL OF MEDICAL SCIENCE | 2023年 / 15卷 / 05期

关键词：

randomized controlled trial; submucosal injection; immediate bleeding; colorectal polyp; cold snare polypectomy; SESSILE SERRATED POLYPS; CANCER; MULTICENTER; COLONOSCOPY; LESIONS; PREVENTION; ADENOMA;

D O I：

10.7759/cureus.39164

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Aims: Immediate bleeding after cold snare polypectomy (CSP) for colorectal polyps might interfere with confirmation of residuals and prolong the time required for resection. We investigated whether submucosal epinephrine-added saline injection reduces the time required for the CSP procedure. Methods: We conducted a single-center, prospective, randomized controlled trial (clinical trial registration number: UMIN000046770). Patients with colorectal polyps <= 10 mm were randomly allocated to either CSP with epinephrine-added submucosal injection (CEMR group) or conventional CSP (CSP group). The primary outcome was the time required for resection defined as the time from the initiation of resection (the first insertion of the snare in the CSP group or the injection needle in the CEMR group) to the end of resection (confirming complete resection endoscopically after recognizing the cessation of immediate bleeding) in each lesion, and the secondary outcome was the time to spontaneous cessation of immediate bleeding after resection defined as the time from ensnaring the lesion to confirming the spontaneous cessation of immediate bleeding. Results: A total of 126 patients were randomly assigned. Finally, 261 lesions in 118 patients (CEMR group, n = 59; CSP group, n = 59) were analyzed. The time required for resection calculated using the least-square mean was significantly shorter in the CEMR group (106.3 s, 95% CI 97.5 to 115.4 s) than in the CSP group (130.9 s, 95% CI 121.2 to 140.7 s) (P < 0.001). The time to spontaneous cessation of immediate bleeding was also significantly shorter in the CEMR group (20.4 s, 95% CI 14.3 to 26.5 s) than in the CSP group (74.2 s, 95% CI 67.6 to 80.7 s) (P < 0.001). Neither group had cases requiring hemostasis, perforation, or delayed bleeding. Conclusions: CEMR shortened the time for resection by shortening the time to cessation of immediate bleeding compared with conventional CSP in colorectal polyps <= 10 mm.

引用

页数：12

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