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目的：分析总结分娩后会阴伤口感染的发病原因及诊治经验。方法对2011年12月至2015年3月间收治的经阴道分娩的病例临床资料及诊疗过程进行回顾性分析。结果4590例经阴道分娩病例中50例出现伤口感染，感染发生率为1.09%；病原学检查以大肠埃希菌生长为主，占比56%；感染病例中产前有阴道炎者8例，肥胖者（BMI≥29）6例，有妊娠期合并症者10例，有分娩期并发症者7例。结论加强孕期保健，化解高危因素，强化会阴切开缝合等接生技术的培训可预防及减少会阴伤口感染，发病后积极予扩创、复方硼酸溶液换药及红外线照射，尽早行Ⅱ期缝合修补术可获得满意治疗效果。“,”Objective To clinical generalization and analysis the aetiological agent and treatment experiences of perineum wound infection after childbirth. Methods The information of cases of vaginal delivery admitted to our hospital from December 2011 to March 2015 are retrospective analysed.Results 50 cases have been infected in 4950 cases of vaginal delivery,the incidence rate is 1.09%;the outcome of microbial test indicates that the escherichia coli is the main pathogenic bacterium which occupies compared 56%;in which of this infected cases, 8 persons are suffering elytritis,6 cases present overweight (BMI≥ 29),10 cases have pregnancy complications and 7 cases get childbirth complications.Conclusion strengthenting pregnancy care,controlling high-risk factors and improving training of episiotomy and repair will prevent infection of perineum wound, it is effective to have debridement early,dress change dressing with compound boric acid solution, irradiate in infrared ray lamp and suture repair as soon as possible.