二碳酸盐治疗QRS扩大在布普罗过量服用中
Michael Simpson1,2, Linda Johnson2, Charlotte Goldfine3
1Harvard Medical Toxicology Fellowship, Harvard Medical School, Boston, MA, USA.
Clinical toxicology (Philadelphia, Pa.)
|June 15, 2023
概括
碳酸并没有显著减少布洛普过量服用的QRS扩大. 这项研究没有发现二碳酸盐剂量和QRS持续时间变化在布洛普心脏毒性患者之间的关联.
科学领域:
- 心脏病学 心脏病学
- 毒理学 毒理学 毒理学
- 药理学 药理学是指药理学的学科.
背景情况:
- 布鲁的心脏毒性可以通过抑制心脏间隙结,导致QRS扩大.
- 碳酸是由于通道阻塞导致QRS扩大的标准治疗方法.
- 它在布洛普诱导的心脏毒性方面的疗效尚未得到充分证实.
研究的目的:
- 评估二碳酸对布洛普心脏毒性患者的QRS持续时间的影响.
- 为了确定二碳酸盐的剂量是否与QRS持续时间的变化相关.
主要方法:
- 在10家医院进行布洛普过量服用的回顾性队列研究 (2010年1月 - 2022年6月).
- 包括有记录的二碳酸和治疗前QRS持续时间> 100毫秒的患者.
- 主要结局:二碳酸前后QRS持续时间的变化;次要结局包括治疗后QRS正常化和血液动力学参数.
主要成果:
- 分析了13名患者;中位数年龄为32岁,54%是男性.
- 双碳酸前的QRS持续时间中位数为116毫秒,治疗后的QRS持续时间中位数下降为-2.0毫秒 (P=0.42).
- 双碳酸盐剂量与QRS变化 (P=0.9) 之间没有发现关联;没有患者在治疗后达到QRS<100毫秒.
结论:
- 在这组布洛过量服用者中,二碳酸并没有显著减少QRS持续时间.
- 需要进一步的研究来探索替代性或辅助性治疗布洛普诱导的心脏毒性.
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