需要多少硫酸来"保持血清总量高于2.0毫克/分升"?
JooEun Kwon1, Brian P Lucas2,3, Arthur T Evans4
1Department of Internal Medicine, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire, USA.
Journal of hospital medicine
|December 19, 2023
概括
静脉注射硫酸用于预防心律失常,但其持续时间尚不清楚. 研究表明,血清水平通常在12小时内低于目标值,需要频繁重新剂量.
科学领域:
- 心脏病学 心脏病学
- 药理学 药理学是指药理学的学科.
背景情况:
- 静脉注射硫酸对于管理患有危及生命的心室节律失常的患者至关重要.
- 保持总血清度 (TsMg) 在2 mg/dL以上是一个常见的临床目标.
研究的目的:
- 确定静脉注射硫酸在住院患者中维持TsMg超过2 mg/dL的持续时间.
- 在急性心力衰竭中为静脉注射硫酸提供最佳剂量策略的信息.
主要方法:
- 分析了12618名退伍军人的TsMg值,在14901次急性心力衰竭住院期间,他们服用了24363剂药物.
- 根据基线TsMg,估计的膜过率,口服和循环利尿剂使用的2g剂量进行统计调整.
主要成果:
- 在所有剂量中,24小时内平均TSMg下降到2.0 mg/dL以下.
- 对于2g剂量,调整后的TsMg在给药后12小时内,在不到一半的患者中保持在2.0 mg/dL以上.
- 这表明需要频繁的再剂量.
结论:
- 当前静脉注射硫酸的剂量可能无法在预期的时间内始终保持治疗性TSMg水平.
- 医生应预计每天至少两次注射2g剂量的硫酸,以保持TSMg在2 mg/dL以上.
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