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低浓度枸橼酸局部抗凝在高危出血患者连续性血液净化中的应用 被引量:7

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摘要 目的研究低浓度(2.5%)且是商品化的枸橼酸钠局部抗凝(RCA)在高危出血患者连续性静静脉血液滤过(CVVH)治疗的安全性与有效性。方法28例高危出血需行CBP治疗的患者随机分为RCA组与对照组(无肝素组)。RCA组16例共CBP治疗62例次,2.5%枸橼酸钠170~230mL.h-1(18~25mmol.h-1)经输液泵由血路管动脉端输入,外周静脉补钙;对照组12例共CBP治疗48例次,用生理盐水100~200mL.h-1冲洗管路和滤器。置换液采用改良Port配方(RCA组为不含钙),4000±2000.h-1以前稀释法输入。观察滤器使用时间、滤器凝血分级、静脉壶凝血情况及患者不良反应,检测治疗前、治疗后2h、4h、6h及结束时滤器前、后的血气分析、活化凝血时间(ACT)、血清钠离子(Na+)、钙离子(iCa2+)水平。结果RCA组每人平均治疗(52.6±18.7)h,滤器使用时间平均(38.3±12.2)h,2例次出现口唇发麻,经10%葡萄糖酸钙静脉推注10~20mL症状缓解。对照组每人平均治疗(22.5±6.4)h,滤器使用时间平均(6.6±2.2)h。RCA组每人平均治疗时间、滤器使用时间平均时间明显优与对照组,P<0.05。RCA组滤器凝血分级、静脉壶凝血情况明显优与对照组,P<0.01。RCA组滤器后ACT与滤器前相比明显延长,P<0.05,而治疗中滤器前ACT与滤器前相比则无明显变化P>0.05。两组在CBP治疗过程中体内酸中毒在2h后均逐渐被纠正,无碱中毒发生;血清Na+在治疗前后均无明显变化,P>0.05;RCA组血清iCa2+在治疗2h后滤器后较滤器前明显下降,P<0.01;但在治疗前后无明显变化,P>0.05。两组均无1例次诱发或加重出血。结论采用低浓度枸橼酸钠(2.5%)局部抗凝可解决高危出血患者行CBP抗凝难题,是安全有效的方法。
出处 《海峡药学》 2009年第5期142-145,共4页 Strait Pharmaceutical Journal
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共引文献46

同被引文献53

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