System and method for detecting pulmonary edema based on impedance measured using an implantable medical device during a lead maturation interval
    1.
    发明授权
    System and method for detecting pulmonary edema based on impedance measured using an implantable medical device during a lead maturation interval 有权
    基于在铅成熟间隔期间使用可植入医疗装置测量的阻抗来检测肺水肿的系统和方法

    公开(公告)号:US08473054B2

    公开(公告)日:2013-06-25

    申请号:US12474157

    申请日:2009-05-28

    IPC分类号: A61N1/05 A61B5/053

    摘要: Techniques are provided for use by implantable medical devices such as cardiac resynchronization therapy (CRT) devices for detecting pulmonary edema based on transthoracic impedance sensed using cardiac pacing/sensing leads, wherein detection can be performed while lead maturation occurs. Briefly, the implantable device determines whether the leads are within an initial post-implant interval following implant during which lead maturation generally occurs. The device then detects pulmonary edema or related medical conditions within the patient based on transthoracic impedance using a set of detection parameters adjusted for use during the post-implant interval. Thus, rather than “blanking” impedance data during lead maturation, the device instead detects and processes impedance during this period to identify possible episodes of pulmonary edema so that appropriate measures can be undertaken, such as delivery of warnings or titration of appropriate medications.

    摘要翻译: 技术被提供用于可植入的医疗装置,例如心脏再同步治疗(CRT)装置,用于基于使用心脏起搏/感测引线检测到的经胸廓阻抗来检测肺水肿,其中可以在发生铅成熟的同时进行检测。 简而言之,可植入装置确定引线是否在植入之后的初始植入后间隔内,在此期间通常发生铅成熟。 该装置然后使用调整为在植入后间隔期间使用的一组检测参数,基于经胸阻抗检测患者内的肺水肿或相关的医疗状况。 因此,在铅成熟过程中,不是“阻塞”阻抗数据,而是在此期间检测并处理阻抗,以识别肺水肿的可能发作,以便进行适当的措施,例如传送警告或滴定合适的药物。

    SYSTEM AND METHOD FOR DETECTING PULMONARY EDEMA BASED ON IMPEDANCE MEASURED USING AN IMPLANTABLE MEDICAL DEVICE DURING A LEAD MATURATION INTERVAL
    2.
    发明申请
    SYSTEM AND METHOD FOR DETECTING PULMONARY EDEMA BASED ON IMPEDANCE MEASURED USING AN IMPLANTABLE MEDICAL DEVICE DURING A LEAD MATURATION INTERVAL 有权
    用于在引导成熟间隔期间使用可植入医疗装置测量的阻抗来检测脉搏EDEMA的系统和方法

    公开(公告)号:US20100305641A1

    公开(公告)日:2010-12-02

    申请号:US12474157

    申请日:2009-05-28

    IPC分类号: A61N1/365

    摘要: Techniques are provided for use by implantable medical devices such as cardiac resynchronization therapy (CRT) devices for detecting pulmonary edema based on transthoracic impedance sensed using cardiac pacing/sensing leads, wherein detection can be performed while lead maturation occurs. Briefly, the implantable device determines whether the leads are within an initial post-implant interval following implant during which lead maturation generally occurs. The device then detects pulmonary edema or related medical conditions within the patient based on transthoracic impedance using a set of detection parameters adjusted for use during the post-implant interval. Thus, rather than “blanking” impedance data during lead maturation, the device instead detects and processes impedance during this period to identify possible episodes of pulmonary edema so that appropriate measures can be undertaken, such as delivery of warnings or titration of appropriate medications.

    摘要翻译: 技术被提供用于可植入的医疗装置,例如心脏再同步治疗(CRT)装置,用于基于使用心脏起搏/感测引线检测到的经胸廓阻抗来检测肺水肿,其中可以在发生铅成熟的同时进行检测。 简而言之,可植入装置确定引线是否在植入之后的初始植入后间隔内,在此期间通常发生铅成熟。 该装置然后使用调整为在植入后间隔期间使用的一组检测参数,基于经胸阻抗检测患者内的肺水肿或相关的医疗状况。 因此,在铅成熟过程中,不是“阻塞”阻抗数据,而是在此期间检测并处理阻抗,以识别肺水肿的可能发作,以便进行适当的措施,例如传送警告或滴定合适的药物。

    SYSTEMS AND METHODS FOR MONITORING PATIENT ACTIVITY AND/OR EXERCISE AND DISPLAYING INFORMATION ABOUT THE SAME
    3.
    发明申请
    SYSTEMS AND METHODS FOR MONITORING PATIENT ACTIVITY AND/OR EXERCISE AND DISPLAYING INFORMATION ABOUT THE SAME 审中-公开
    用于监测患者活动和/或锻炼并显示相关信息的系统和方法

    公开(公告)号:US20090287103A1

    公开(公告)日:2009-11-19

    申请号:US12120499

    申请日:2008-05-14

    申请人: Ajit Pillai

    发明人: Ajit Pillai

    IPC分类号: A61B5/04 A61N1/00

    摘要: Patient activity and heart rate (HR) are monitored. For each of a plurality of time periods, periods of patient exercise and/or patient activity, if any, are detected based on the monitored patient activity and HR and an activity threshold. A cumulative duration of exercise and/or a cumulative duration of activity is/are determined for each time period, and the peak exercise HR for each period of patient exercise is detected. Information is stored, including duration information indicative of the cumulative duration of exercise and/or the cumulative duration of activity for each time period, and peak exercise information associated with the period of patient exercise during which the highest peak exercise HR occurred for each time period. The stored duration information, or information indicative thereof, are transferred from an implantable system to a non-implanted system so that a graphical representation of such information can be displayed and observed to evaluate exercise compliance and/or heart failure condition.

    摘要翻译: 监测患者活动和心率(HR)。 对于多个时间段中的每一个,基于所监测的患者活动和HR和活动阈值来检测患者运动和/或患者活动的周期(如果有的话)。 每个时间段确定运动的累积持续时间和/或累积活动持续时间,并且检测每个患者运动时段的高峰运动HR。 存储信息,包括指示每个时间段的累积运动持续时间和/或累积活动持续时间的持续时间信息,以及与每个时间段发生最高峰值运动HR的患者运动期间相关联的峰值运动信息 。 存储的持续时间信息或指示其的信息从可植入系统转移到非植入系统,使得可以显示和观察此类信息的图形表示以评估运动顺应性和/或心力衰竭状况。

    Systems and methods for use by an implantable medical device for evaluating ventricular dyssynchrony based on T-wave morphology
    5.
    发明授权
    Systems and methods for use by an implantable medical device for evaluating ventricular dyssynchrony based on T-wave morphology 有权
    基于T波形态的可植入医疗装置用于评估心室不同步的系统和方法

    公开(公告)号:US07676264B1

    公开(公告)日:2010-03-09

    申请号:US11734850

    申请日:2007-04-13

    IPC分类号: A61N1/00

    摘要: Techniques are provided for detecting and evaluating ventricular dyssynchrony based on morphological features of the T-wave and for controlling therapy in response thereto. For example, the number of peaks in the T-wave, the area under the peaks, the number of points of inflection, and the slope of the T-wave can be used to detect ventricular dyssynchrony and evaluate its severity. As ventricular dyssynchrony often arises due to heart failure, the degree of dyssynchrony may also be used as a proxy for tracking the progression of heart failure. Pacing therapy is automatically and adaptively adjusted based on the degree of ventricular dyssynchrony so as to reduce the dyssynchrony and thereby improve cardiac function.

    摘要翻译: 提供了基于T波的形态学特征和用于控制对其的治疗来检测和评价心室不同步的技术。 例如,可以使用T波中的峰数,峰下的面积,拐点的数量和T波的斜率来检测心室不同步并评估其严重程度。 由于心脏衰竭经常出现心室不同步,不同步程度也可用作跟踪心力衰竭进展的代理。 基于心室不同步程度自动调整起搏治疗,减少不同步,从而改善心脏功能。