低温改善了除成功和复苏的结果从心室动改善
Kimberly A Boddicker1, Yi Zhang, M Bridget Zimmerman
1Cardiovascular Center, College of Medicine, University of Iowa, Iowa City, USA.
Circulation
|June 16, 2005
概括
诱导性低温改善了心脏骤停幸存者的除成功和复苏结果. 中度至重度的低温显著增加了心室动 (VF) 后成功复苏的机会.
科学领域:
- 心脏病学 心脏病学
- 紧急医疗 紧急医疗
- 身体生理学 身体生理学
背景情况:
- 诱导性低温被推用于改善心脏骤停幸存者的神经结果.
- 关于低温对心房 (VF) 复发的患者的除和复苏的影响的数据有限.
研究的目的:
- 在心脏骤停模型中调查不同程度的低温对除成功和复苏结果的影响.
主要方法:
- 32只猪被分为正常热和轻度,中度或重度低温组.
- 引发了心室动 (VF),随后没有心肺复苏 (CPR) 进行了8分钟.
- 在心肺复苏后评估了除成功和自发循环恢复 (ROSC).
主要成果:
- 在中度低温组 (6/8) 与正常热组 (1/8) 相比,第一次冲击除的成功率显著更高.
- 与正常热相比,所有低温组都需要较少的冲击来实现晚期除.
- 自发循环的恢复发生在0/8的正常热量动物和3/8的轻度,7/8的中度和5/8的严重低温动物之间.
结论:
- 中度和严重的低温显著改善了诱导心室动 (VF) 的情况下的除成功和复苏结果.
- 这些有益的效应并非归因于心肺复苏过程中冠状动脉 perfusion 压力的改变.
- 心肌机械,代谢或电生理学性质的变化可能会影响低温的积极影响.
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