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Changes of sphincter preserving rate in lower rectal cancer and analysis of their related factors
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF GASTROINTESTINAL SURGERY
- Issue:
- 2
- DOI:
- 10.3760/cma.j.issn.1671-0274.2006.02.006
- Key Word:
- 直肠全系膜切除术;直肠肿瘤;保留肛门括约肌手术
Abstract： 目的分析低位直肠癌根治手术保肛率的影响因素.方法将316例行根治手术的低位直肠癌(肿瘤下缘距齿状线在1 cm以上、5 cm以下)患者按不同的时间段分成前期组和后期组:前期组有89例,为1994年8月至1998年12月收治者;后期组227例,为1999年1月至2005年11月收治的,此组患者均行规范的全直肠系膜切除术.同时,按手术方式分为腹会阴联合根治术(APR)组(103例)和保肛手术(SP)组(213例).分别比较分析两组患者的临床病理资料.结果行APR的患者比例逐年减少(前期组55.1%,后期组23.8%),而行SP的患者从前期的44.9%上升到后期的76.2%(P=0.000).SP和APR两组比较,肿瘤下缘距齿状线距离、性别、不同时期、肿瘤周径和分化程度的差异有统计学意义(P＜0.05);而年龄、大体分型、Dukes分期差异无统计学意义(P＞0.05).前期与后期两组比较,性别、术中输血量、Dukes分期差异有统计学意义(P＜0.05);而年龄、肿瘤下缘距齿状线距离和手术时间差异无统计学意义(P＞0.05).前期组行LAR的患者发生吻合口瘘的比率为2.7%(1/37例),后期组为1.3%(2/160例),差异无统计学意义(P＞0.05).结论全直肠系膜切除术在一定程度上提高了低位直肠癌的保肛率,且明显减少了术中输血量,并未延长手术时间,也未增加吻合口瘘的发生率.
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