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糖化血红蛋白对 TKA 术后感染的影响及其预测模型建立的探索

俊毅 陈(莆田市第一医院骨科,中国)
斌 许(莆田市第一医院骨科,中国)
林鸿 蔡(莆田市第一医院骨科,中国)

摘要

【目的】探讨术前糖化血红蛋白(HbA1c)水平对全膝关节置换术(TKA)后手术部位感染(SSI)的独立影响及最佳干预临界值,为临床围手术期管理提供依据。【方法】回顾性分析2020年1月至2023年6月于我科行初次单侧TKA的528例患者临床资料。根据术前HbA1c水平分为三组:A组(HbA1c ≤ 6.5%,n=412)、B组(6.5% < HbA1c ≤ 7.5%,n=81)、C组(HbA1c > 7.5%,n=35)。比较三组患者术后90天内浅层感染、深部感染及总体SSI发生率,采用多因素Logistic回归分析TKA术后感染的独立危险因素。【结果】三组患者总体SSI发生率分别为2.18%(9/412)、7.25%(6/81)和14.29%(5/35),组间比较差异有统计学意义(P < 0.001)。多因素Logistic回归分析显示,调整年龄、BMI、手术时间等因素后,术前HbA1c > 7.5%是TKA术后SSI的独立危险因素(OR = 4.12,95% CI:1.85~9.17,P = 0.001),手术时间>120分钟亦为独立危险因素(OR = 2.45,95% CI: 1.12~5.38, P = 0.025)。【结论】术前HbA1c水平与TKA术后感染风险显著相关,HbA1c > 7.5%是感染风险显著增加的关键临界点。建议将术前HbA1c控制在7.5%以下,同时严控手术时间,以有效降低术后感染风险。

关键词

糖化血红蛋白;全膝关节置换术;手术部位感染;危险因素;临界值

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参考

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DOI: http://dx.doi.org/10.12345/yzlcyxzz.v9i3.37326

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