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Heart: 低温治疗的心电图特征及心律失常风险

2016-09-24 MedSci MedSci原创

最后,研究表明约40%的接受了低温治疗患者出现J波,它们最常见于下肢或侧胸导联,而威胁生命的室颤很少发生(1.7%),而且主要发生于原发性心律失常疾病的患者。虽然J波和室颤两者之间的因果关系仍然未知,但是由于其易感性,高危人群需要注意预防恶性心律失常。

低温可诱发心电图J波,最近的研究表明,J波可能与心脏结构正常的患者室颤发生有关。然而,很少有关于低温时J波心电图的临床意义及潜在致心律失常风险的报道。近日,来自于韩国汉城大学峨山医学中心心脏研究所的Lee医生及其团队在心脏病领域权威杂志《Heart》上发表了关于低温治疗的心电图特征及心律失常风险的文章。

研究者回顾性分析了从2010年8月到2013年12月期间在韩国六大大学附属医院接受过低温治疗的240例患者心电图情况,着重分析了J波的发生率、振幅和导联分布情况与恶性心律失常的发生情况。


研究对象的平均体温为33.5°C±1°C,在98例患者中心电图中观察到了J波(40.8%),其中91例为新发病例,另外7例患者原有J波明显增强。低温出现的J波主要出现在II、III、aVF和V4–6导联,J波的平均幅度为0.239±0.152 mV,在低温治疗中有4例发生室颤,其中3例患者最后分别诊断为Brugada综合征、特发性室颤或早期复极综合征,1例患者由非心脏病因(窒息)导致。

最后,研究表明约40%的接受了低温治疗患者出现J波,它们最常见于下肢或侧胸导联,而威胁生命的室颤很少发生(1.7%),而且主要发生于原发性心律失常疾病的患者。虽然J波和室颤两者之间的因果关系仍然未知,但是由于其易感性,高危人群需要注意预防恶性心律失常。

原始出处:

Woo Seok Lee,et al. ECG features and proarrhythmic potentials of therapeutic hypothermia.Heart.

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    2016-10-03 右脚梅西

    很好非常有帮助,谢谢。

    0

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    2016-09-26 zhaojie88
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    2016-09-26 slcumt

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