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目的：探讨改良性经肛门吻合器直肠部分切除术（TST stapled transanal rectal resection plus）治疗出口梗阻型便秘（obstructed defecation syndrome，ODS）的并发症产生原因及防治。方法对2013年4月至2015年8月间武汉大学中南医院采用 TST STARR +治疗186例 ODS 病例的临床资料行回顾性分析。结果术中并发症包括吻合器切割不全4例、活动性出血71例；术后短期并发症包括吻合口出血3例、尿潴留63例、疼痛38例、排便急迫感或首次排便失禁20例；中位随访13个月，远期并发症包括吻合口狭窄1例、肛门坠胀1例、肛门失禁1例。结论 TST STARR +是治疗出口梗阻型便秘相对安全的术式。“,”Objective To evaluate the causes of complications of TST stapled transanal rectal resection plus (TST STARR + )in the treatment of outlet obstruction constipation(OOC)and discuss prevention and treatment meas-ures. Methods A retrospective study was performed in 286 patients with OOC underwent TST STARR + . Results Intraoperative complications included incomplete cutting stapler in 4 patients and active bleeding in 71 patients. Short- term postoperative complications included anastomotic bleeding in 3 patients,urinary retention in 63 patients,pain in 38 patients,and defecation urgency or fecal incontinence for the first time in 20 patients. The median follow - up was 13 months. Long - term complications included anastomotic stenosis in 1 patient,anal pendant expansion in 1 pa-tient and anal incontinence in 1 patient. Conclusion TST STARR + appears to be a safe technique for patients with OOC.