外剥内扎术术后肛缘水肿危险因素的Logistic回归分析

Logistic regression analysis of the risk factors for anal margin edema after Milligan-Morgan hemorrhoidectomy

目的探讨外剥内扎术(MMH)术后肛缘水肿的危险因素。方法回顾性分析381例MMH术后混合痔患者的临床资料,分别采用χ2检验和Logistic多因素分析模型,对性别、年龄、环状混合痔、肛门正中混合痔、手术操作等可能影响术后肛缘水肿的因素进行单因素分析和多因素分析。结果 381例患者中76例(19.95%)术后出现肛缘水肿。单因素分析显示,性别女、年龄60岁及以上、环状混合痔、肛门正中混合痔、手术操作不合理是MMH术后肛缘水肿的危险因素(P<0.05)。Logistic多因素分析显示,环状混合痔、肛门正中混合痔及手术操作不合理是MMH术后肛缘水肿的独立危险因素(P<0.05)。结论环状混合痔、肛门正中混合痔及手术操作不恰当在MMH术后更容易发生肛缘水肿。

Objective To investigate the risk factors of anal margin edema after Milligan-Morgan hemorrhoidectomy(MMH).Methods Retrospectively analyzed the clinical data of 381 patients with mixed hemorrhoids after MMH treatment.Chi square test and Logistic regression were utilized to analyze the factors that may affect anal margin edema after hemorrhoidectomy such as gender,age,circular mixed hemorrhoids,mixed middle anal hemorrhoids,surgical operation and so on,the univariate and multivariate analysis were considered respectively.Results There were 76 patients(19.95%)suffering anal margin edema.Univariate analysis showed that female gender,age 60 years and older,circular mixed hemorrhoids,mixed middle anal hemorrhoids and improper surgical operation were the risk factors for anal margin edema after MMH(P<0.05).Logistic multivariate analysis showed that circular mixed hemorrhoids,mixed middle anal hemorrhoids and improper surgical operation were the independent risk factors for anal margin edema after MMH(P<0.05).Conclusion Circular mixed middle hemorrhoids,mixed middle anal hemorrhoids,and improper surgical operation are more likely to cause anal margin edema after MMH.