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机械瓣膜替换术后抗凝治疗的国际标准化比值监测
Authors
Publication date
1 January 2004
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】探讨机械瓣膜替换术后适宜的抗凝程度时最佳国际标准化比值(internationalnormalizedratio,INR)。【方法】对我院从2000年4月至2002年4月收治40例瓣膜替换术后应用华法令抗凝治疗患者进行了前瞻性的临床研究。所在患者均应用CarboMedics双叶瓣行人瓣膜替换术。术后24h开始每天服华法令3mg,每天测定INR值,连测14次,出院后临床随访1~2年,按研究计划测定INR值共14次。同时观察指标包括与抗凝有关的出血、血栓、栓塞和死亡等情况。【结果】本组患者口服华法令3~5d后INR趋于稳定,术后2周时华法令用量为(2.56±0.57)mg,INR达2.11±0.67。随访1~2年,平均18月,总随访62个患者年,出院后平均口服华法令量为(2.66±0.72)mg,INR达1.98±0.54(1.44~2.52)。出血并发症12例。出血性事件发生率为19.35%患者年,其中轻度出血8例(7例INR2.5)中度出血2例(INR>2.5),重度出血2例(INR>3.0)。10例出血发生在3个月内,2例出血发生在3~6个月内。全组无血栓、栓塞和死亡。【结论】机械瓣膜替换术的患者口服华法令抗凝治疗,建议INR的理想范围保持在1.80~2.50为适宜
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Last time updated on 15/10/2024