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Method and apparatus for controlling cardiac therapy based on electromechanical timing
专利权人:
Rodney Salo
发明人:
Rodney Salo,Joseph M. Pastore,Andrew P. Kramer,Jeffrey E. Stahmann,Jesse W. Hartley
申请号:
US11168024
公开号:
US09265949B2
申请日:
2005.06.28
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Devices and methods for therapy control based on electromechanical timing involve detecting electrical activation of a patients heart, and detecting mechanical cardiac activity resulting from the electrical activation. A timing relationship is determined between the electrical activation and the mechanical activity. A therapy is controlled based on the timing relationship. The therapy may improve intraventricular dyssynchrony of the patients heart, or treat at least one of diastolic and systolic dysfunction and/or dyssynchrony of the patients heart, for example. Electrical activation may be detected by sensing delivery of an electrical stimulation pulse to the heart or sensing intrinsic depolarization of the patients heart. Mechanical activity may be detected by sensing heart sounds, a change in one or more of left ventricular impedance, ventricular pressure, right ventricular pressure, left atrial pressure, right atrial pressure, systemic arterial pressure and pulmonary artery pressure.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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