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[目的]研究高血压对全膝关节置换术围手术期出血的影响。[方法]回顾性分析2013年1月~2014年12月于本院关节外科接受全膝关节置换的患者,从中严格筛选符合本研究的病例126例,根据患者有无高血压病史及围手术期血压值分为高血压组和正常组,记录患者性别、年龄、身高、体重、围手术期血压、血红蛋白(Hb)、红细胞压积(Hct)、术后引流量、自体引流血回输量、术后输血量。运用Gross方程计算总出血量、隐性出血量。[结果]高血压组与正常组相比总出血量、隐性出血量差异有统计学意义(P=0.03,P=0.04),正常组男性与女性相比总出血量、隐性出血量及Hb下降差异有统计学意义(P=0.002,P=0.016,P=0.04),高血压组男性出血量与女性出血量差异无统计学意义(P=0.735)。[结论]高血压可明显增加全膝关节置换患者围手术期总出血量及隐性出血量。
[Objective] To study the effect of hypertension on perioperative bleeding in total knee arthroplasty. [Methods] From January 2013 to December 2014, patients undergoing total knee arthroplasty in our department of arthrosurgery were retrospectively analyzed. Totally 126 cases were selected according to this study. According to whether the patients had history of hypertension and perioperative period The blood pressure was divided into hypertension group and normal group. The patient’s gender, age, height, weight, perioperative blood pressure, hemoglobin (Hb), hematocrit (Hct), postoperative drainage volume, autologous drainage volume, Postoperative blood transfusion. The Gross equation was used to calculate the total amount of bleeding and the amount of occult bleeding. [Results] The total amount of bleeding and the amount of latent hemorrhage in hypertension group were significantly different from those in normal group (P = 0.03, P = 0.04). The total amount of blood loss, latent blood loss, Hb decline was statistically significant (P = 0.002, P = 0.016, P = 0.04). There was no significant difference in the amount of male bleeding and female bleeding in hypertensive patients (P = 0.735). [Conclusion] Hypertension can significantly increase the total amount of perioperative bleeding and the amount of occult bleeding in patients undergoing total knee arthroplasty.