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    • 8. 发明申请
    • SYSTEMS AND METHODS FOR MONITORING DP, IVRT, DiFT, DIASTOLIC FUNCTION AND/OR HF
    • 用于监测DP,IVRT,DiFT,DIASTOLIC功能和/或HF的系统和方法
    • US20100228136A1
    • 2010-09-09
    • US12474275
    • 2009-05-29
    • Allen J. KeelBrian Jeffrey WenzelEdward KarstWenbo HouTaraneh Ghaffari Farazi
    • Allen J. KeelBrian Jeffrey WenzelEdward KarstWenbo HouTaraneh Ghaffari Farazi
    • A61B5/02A61B5/0402
    • A61B5/0402A61B5/02416A61B5/6846
    • Implantable systems, and methods for use therewith, are provided for monitoring a patient's diastolic function and/or heart failure (HF) condition. A signal indicative of changes in arterial blood volume and a signal indicative of electrical activity of the patient's heart are obtained. Beginnings of diastolic periods can be detected based on a feature of the signal indicative of changes in arterial blood volume. Ends of the diastolic periods can be detected based on a feature of the signal indicative of electrical activity of the patient's heart, or on the signal indicative of changes in arterial blood volume. Diastolic periods (DPs), isovolumic relaxation times (IVRTs) and/or diastolic filling times (DiFTs) can be estimated based on the detected beginnings of the diastolic periods and detected ends of the diastolic periods. The patient's diastolic function and/or HF condition (and/or changes therein) can be monitored based on the estimates of DP, IVRT and/or DiFT.
    • 提供了可植入系统及其使用方法,用于监测患者的舒张功能和/或心力衰竭(HF)状况。 获得指示动脉血容量变化的信号和表示患者心脏的电活动的信号。 可以基于指示动脉血容量变化的信号的特征来检测舒张期的开始。 可以基于指示患者心脏的电活动的信号的特征或指示动脉血容量变化的信号来检测舒张期的结束。 舒张期(DPs),等容舒张时间(IVRT)和/或舒张期充盈时间(DiFT)可以基于检测到的舒张期的开始和舒张期的检测结束来估计。 可以基于DP,IVRT和/或DiFT的估计来监测患者的舒张功能和/或HF状态(和/或其中的变化)。