Background::Endoscopic resection bleeding (ERB) classification was proposed by the authors’ team to evaluate the severity of intraoperative bleeding (IB) during endoscopic submucosal dissection (ESD). This study aimed to evaluate the application of ERB classification and to analyze the risk factors of major IB (MIB) and postoperative bleeding (PB) associated with ESD for gastric neoplastic lesions.Methods::We retrospectively enrolled a total of 1334 patients who underwent ESD between November 2006 and September 2019 at The First Medical Center of Chinese People’s Liberation Army General Hospital. All patients were divided into the non-MIB group (including ERB-0, ERB-controlled 1 [ERB-c1], and ERB-c2) and the MIB group (including ERB-c3 and ERB-uncontrolled [ERB-unc]) according to the ERB classification. Risk factors of major MIB and risk factors of PB were analyzed using a logistic regression model.Results::Among the 1334 patients, 773 (57.95%) had ERB-0, 477 (35.76%) had ERB-c1, 77 (5.77%) had ERB-c2, 7 (0.52%) had ERB-c3, and no patients had ERB-unc. The rate of PB in patients with IB classifications of ERB-0, ERB-c1, ERB-c2, and ERB-c3 were 2.20% (17/773), 3.35% (16/477), 9.09% (7/77), and 2/7, respectively. In multivariate analysis, proximal location (odds ratio [OR]: 1.488; 95% confidence interval [CI]: 1.045-3.645; P = 0.047) was the only significant risk factor of MIB. Chronic kidney disease (CKD) (OR: 7.844; 95% CI: 1.637-37.583; P = 0.010) and MIB (ERB-c3) (OR: 13.932; 95% CI: 2.585-74.794; P = 0.002) were independent risk factors of PB. Conclusions::Proximal location of lesions was a significant risk factor of MIB. Additionally, CKD and MIB (ERB-c3) were independent risk factors of PB. More attention should be paid to these high-risk patients for MIB and PB.

Endoscopic resection bleeding classification;Endoscopic submucosal dissection;Gastric neoplasms

Xu Shanshan;Chai Ningli;Tang Xiaowei;Linghu Enqiang;Wang Shasha

Nankai University School of Medicine, Nankai University, Tianjin 300071, China;Department of Gastroenterology and Hepatology, The First Medical Center of Chinese People's Liberation Army General Hospital, Beijing 100853, China

中华医学杂志（英文版）

[1]Xu Shanshan;Chai Ningli;Tang Xiaowei;Linghu Enqiang;Wang Shasha-.Risk factors of major intraoperative bleeding and postoperative bleeding associated with endoscopic submucosal dissection for gastric neoplasms)[J].中华医学杂志（英文版）,2022(03):309-316

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