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低分子肝素应用时间对膝关节置换术后失血量的影响 被引量:10

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摘要 目的研究人工表面膝关节置换术后不同时间开始皮下注射低分子肝素对患者术后失血量的影响,进一步指导临床治疗。方法选取初次行双侧人工全膝关节置换术患者60例,随机分为2h组、6h组及12h组,每组20例,分别于术后2h、6h、12h开始皮下注射低分子肝素4500U,之后每天注射1次,共1周。分别记录所有患者术后48h伤口引流量、术后总异体输血量及术前、术后1周血红蛋白水平,记录所有患者术前及术后1周双下肢血管彩色多普勒超声结果明确有无血栓形成。结果 (1)在伤口引流量、异体输血量及血红蛋白变化方面,2h组与6h组及12h组比较,均具有统计学差异(P<0.05),2h组术后伤口引流量、异体输血量及血红蛋白变化均明显大于其余两组;而6h组与12h组两组比较,均无统计学差异(P>0.05)。(2)所有患者均未发现下肢深静脉血栓形成,仅12h组有2例患者出现下肢肌间静脉血栓。结论人工膝关节置换术后2h、6h及12h开始抗凝治疗均能较好地预防下肢深静脉血栓形成,但术后2h开始抗凝会增加术后失血量,12h开始抗凝有增加血栓形成的风险,人工膝关节置换术后最好在术后6h开始进行抗凝治疗。
出处 《中华临床医师杂志(电子版)》 CAS 2012年第14期4105-4106,共2页 Chinese Journal of Clinicians(Electronic Edition)
基金 中国中医科学院优势病种课题"早期膝骨关节炎中医诊疗规范化研究"(CACMS05Y-0030)
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参考文献9

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二级参考文献28

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