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Ther Drug Monit:米力农对儿童肾损伤药物动力学的回顾性评价

2015-04-13 范伟译 MedSci原创

目的:米力农是一种具有血管舒张性能的输出增强药物用于心室功能障碍的治疗。米力农主要通过肾脏消除,集聚导致急性肾损伤(AKI)。本研究的目的是评价急性肾损伤儿童有或没有进行连续肾脏替代治疗(CRRT)米力农的药物动力学。 方法:回顾性收集的急性肾损伤患者药物治疗的药物监测数据,包括那些需要(连续肾脏替代治疗的)从2008年1月- 2014年3月间通过图表回顾。药代动力学(PK)数据是通过使用小儿族

目的:米力农是一种具有血管舒张性能的输出增强药物用于心室功能障碍的治疗。米力农主要通过肾脏消除,集聚导致急性肾损伤(AKI)。本研究的目的是评价急性肾损伤儿童有或没有进行连续肾脏替代治疗(CRRT)米力农的药物动力学。

方法:回顾性收集的急性肾损伤患者药物治疗的药物监测数据,包括那些需要(连续肾脏替代治疗的)从2008年1月- 2014年3月间通过图表回顾。药代动力学(PK)数据是通过使用小儿族群PK模型(MW/Pharm)贝叶斯估计进行分析。清除率估计类比于体重。

结果:11名患者可供分析的数据,三个病人需要连续肾脏替代治疗。连续输注米力农药物浓度有30倍不同的变化,范围从44-1343 ng/mL。11个病人的33个样本中,24个是在目标范围之外(72.7%),16个是在目标范围之上(48.5%),8个在目标范围之下(24.2%)。急性肾损伤患者明显有较低的米力农清除率(4.72+2.26 L/h/ 70 公斤)与公布的没有急性肾损伤患者的数据相比。在米力农清除率上,病人之间有很大变化(范围:2.91-13.6 L/h/70公斤)。病人连续肾脏替代治疗清除率的范围为2.8-7.19 L/h/70公斤。米力农清除率和估计的肌酐清除率之间具有显著的相关性(r=0.70,p=0.0097)。在年轻的患者中类比于米力农的清除率较低(< 2岁),暗示正在进行的肾化脓和现存的急性肾损伤。

结论: 急性肾损伤的儿童患者有明显较低的米力农清除率与公布的没有急性肾损伤的患者相比。较大的变化是在米力农药物浓度上,他们经常处于目标区间之外。病人在米力农药物浓度上大的变化表明, 大量的危重病人的剂量给药方案应该个体化。PK模型的评价基于米力农剂量的优化和生物标记物的使用。

原始出处

Gist KM1, Mizuno T, Goldstein SL, Vinks A. Retrospective evaluation of milrinone pharmacokinetics in children with kidney injury. Ther Drug Monit. 2015 Apr 9.

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    2015-05-26 爆笑小医
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    2015-04-15 huagfeg
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