[慢性起搏器治疗中的频率优化起搏]
[Frequency-optimal pacing in chronic pacemaker therapy].
作者信息
Grögler F M, Klein H, Rathsack P, Borst H G
出版信息
Langenbecks Arch Chir. 1976;Suppl:148-51.
PMID:1031790
Abstract
Hemodynamic studies were performed in 15 pacemaker patients at rest and during exercise by thermodilution technique and impedance cardiography. Particularly in myocardial failure, individual optimal heart rates were observed, ranging from 90 to 120/min. Mean increase of cardiac output at optimal pacing rate was 1.31/min against stimulation at 70/min. Impedance cardiography showed high correlation to thermodilution technique.
摘要
通过热稀释技术和阻抗心动描记法，对15例起搏器患者在静息和运动状态下进行了血流动力学研究。特别是在心肌衰竭患者中，观察到个体最佳心率范围为90至120次/分钟。与以70次/分钟的频率刺激相比，最佳起搏频率时心输出量平均增加1.3升/分钟。阻抗心动描记法与热稀释技术显示出高度相关性。
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