Endoscopic argon plasma coagulation in the treatment of elderly patients with colorectal polyps
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Key words:elderly  colorectal polyps  argon plasma coagulation
Author NameAffiliationE-mail
SHAO Yun, HE Xiaopu, WU Aijuan, et al Department of Geriatric Gastroenterology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China weihaosun@hotmail.com 
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      Objective To evaluate the safety and efficacy of endoscopic argon plasma coagulation (APC) in the treatment of elderly patients with colorectal polyps. Methods Colorectal polyps found in electronic enteroscopy were treated with argon plasma generated by ERBE APC (VIO 200D, ERBE Company, German) . Results A total of 525 polyps were detected in 258 elderly patients and all were cured by APC. According to the polyp size and morphology, 302 (57.5%) sessile flat polyps with diameter 0.2 cm to 0.5 cm were ablated with APC, 89 (17%) semi-pedunculated and pedunculated polyps were resected by high-frequency electrosection, and 134 sessile (25.5%) polyps with diameter 0.6 cm to 5.0 cm were resected after submucosal injection with epinephrine plus methylene blue normal saline on focal membrane. APC electric coagulation or titanium clip was employed when bleeding appeared in partial wounds. Minor bleeding occurred in two patients (0.8%) and was stopped after treated with hemostatic drugs; there were no serious complications such as perforations or bleeding requiring transfusion. Conclusion APC is a well tolerated and effective treatment for elderly patients with colorectal polyps.