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大手术重症患者血浆PLT、FIB和Ca^(2+)变化的意义 被引量:1

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摘要 目的:研究大手术重症患者血浆血小板(PLT)、纤维蛋白原(FIB)和钙(Ca2+)水平的变化,并探讨其发生机制及临床意义。方法:回顾性分析35例重症患者大手术前后血浆PLT、FIB和Ca2+的水平变化,并与同期30例正常人进行比较。结果:重症患者血浆FIB水平高于正常组,Ca2+低于正常组,而PLT与正常组比较差异无显著性(分别为P<0.01、P<0.001和P>0.05);大手术后PLT、FIB、Ca2+的水平明显下降(分别为P<0.01、P<0.05和P<0.001);术后PLT、Ca2+的水平低于正常组(均为P<0.001),FIB与正常组比较差异无显著性(P>0.05);术后死亡组PLT水平明显低于生存组(P<0.05);PLT、FIB和Ca2+水平下降幅度与术中出血量呈正相关(分别为r=0.334,P<0.05;r=0.432,P<0.01和r=0.534,P<0.001);术后PLT少于50.0×109/L的患者死亡率为100%,高于PLT在50.0×109/L以上的病人(P<0.01)。结论:重症患者容易伴发高凝,大手术后则可继发相对纤溶抑制和消耗性出血;术中大出血可加重凝血功能障碍;PLT减少是术后死亡的危险因素,其计数少于50.0×109/L时提示预后不良。
出处 《实用医学杂志》 CAS 2006年第6期656-657,共2页 The Journal of Practical Medicine
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