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慢性房颤患者心肌瞬时外向钾通道电流密度变化 被引量:1

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摘要 目的旨在研究慢性房颤患者心房肌瞬时外向钾通道电流的变化,为房颤机制的阐明提供更多的实验依据。方法心房肌标本取材于体外循环手术患者右心耳。采用全细胞膜片钳技术研究心房肌瞬时外向钾通道电流密度的变化。结果慢性心房颤动患者心房肌瞬时外向钾通道电流密度降低,在测试电位-20mV以上各电位水平时均有显著性差异(n=16,P<0.05)。结论慢性房颤时瞬时外向钾电流密度降低对房颤的电重构起一定的作用。
出处 《中国实用医药》 2009年第3期138-139,共2页 China Practical Medicine
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同被引文献26

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