JAMA:心脏再同步治疗用于化疗性心肌病患者

2019-11-13 MedSci MedSci原创

研究认为,心脏再同步治疗可改善化疗性心肌病患者心脏功能,提高左室射血分数

因化疗引起的心肌病发病率逐年上升,近日研究人员考察了心脏再同步治疗(CRT)与心功能改善和化疗性心肌病患者的关系。

30例因左室射血分数降低(左室射血分数≤35%)、纽约心脏协会II-IV级心衰症状、宽QRS波群心动过速接受CRT植入患者参与研究,术后随访6个月。研究的主要终点为6个月后左室射血分数变化,次要终点为全因死亡率、左心室收缩末期容积和舒张末期容积变化。

患者平均年龄64岁,女性占87%,73%的患者有乳腺癌史,20%的患者有淋巴瘤白血病史,存在非缺血性心肌病合并左束支传导阻滞,左室射血分数中位数为29%,平均QRS持续时间为152 ms。CRT后,患者6个月 LVEF显著改善,由28%增加至39%。左心室收缩末期容积从122.7mL降低到89.0ml,舒张末期容积由171.0mL降低到143.2mL。不良反应包括与手术有关的气胸(1例),感染(1例)以及在随访期间需要住院治疗的心力衰竭(1例)。

研究认为,心脏再同步治疗可改善化疗性心肌病患者心脏功能,提高左室射血分数。

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    2019-11-16 14794e5bm67(暂无昵称)

    非常受益,很好的研究

    0

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