目的 分析消化道手术部位感染(SSI)的危险因素.方法 回顾性分析某院2009年1月-2010年12月消化道SSI目标性监测资料,对20项[疾病种类(手术部位)、手术季节、性别、年龄、手术类型、麻醉方式、切口等级、是否输血、术前ASA评分、危险指数、手术时间、相关基础疾病及侵入性操作、术前是否预防性应用抗菌药物等]可疑危险因素进行单因素与多因素分析.结果 消化道SSI与手术部位、性别、手术类型、切口等级、是否输血、ASA评分、危险指数有显著关联(均P＜0.05),其中性别与危险指数是2项独立的危险因素.结论 消化道SSI的发生是多因素的,必须采取综合性预防措施才能有效降低其发生率.%Objective To analyze risk factors for surgical site infection(SSI) in digestive tract surgery. Methods Targeted monitoring data of SSI in a hospital between January 2009 to December 2010 were analyzed retrospectively, univariate and multivariate analysis were conducted on 20 suspected risk factors, including types of diseases(surgical sites), operation season,gender, age,types of surgery,modes of anaesthesia, wound class, blood transfusion, ASA score, risk index, operation time, underlying diseases, invasive operation, and perioperative use of antimicrobial agents. Results SSI in digestive tract surgery was closely related with multiple factors, such as surgical sites, gender, types of surgery, wound class, blood transfusion, ASA score and risk index(all P<0. 05), among which gender and risk index were 2 independent risk factors. Conclusion Multiple factors contribute to SSI in digestive tract surgery, and comprehensive preventive measures should be taken to reduce SSI rate.
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