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Prediction of worsening of heart failure

A heart and circuit technology, used in diagnostic recording/measurement, medical automated diagnosis, organ motion/change detection, etc., can solve problems such as reducing the efficiency of cardiac pumping, improve patient outcomes, reduce medical costs, and avoid medical intervention. Effect

Active Publication Date: 2018-08-03
CARDIAC PACEMAKERS INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Non-simultaneous contraction of the left and right ventricles further reduces the pumping efficiency of the heart

Method used

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  • Prediction of worsening of heart failure
  • Prediction of worsening of heart failure
  • Prediction of worsening of heart failure

Examples

Experimental program
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Effect test

Embodiment Construction

[0042] Disclosed herein are systems, devices and methods for detecting one or more target physiological events or conditions. These events may include early signs of the onset of HF decompensation. In other words, these events may occur long before the deteriorating system performance of HF. Therefore, by detecting precursor events, the subject can provide methods and devices for detecting impending HF decompensation events. The systems, devices, and methods described herein can be used to determine cardiac conditions (such as HF status) and / or track the development of cardiac conditions (such as deterioration or recovery from an HF event). The system can also be used for other diseases associated with pleural effusion, such as pneumonia.

[0043] figure 1 An example of a cardiac rhythm management (CRM) system 100 and a part of an environment in which the CRM system 100 can operate are generally shown. The CRM system 100 may include a mobile medical device, such as an implanta...

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Abstract

Systems and methods for detecting cardiac conditions such as events indicative of worsening of heart failure (HF) are described. A system can receive a physiological signal from a patient, transform one or more first portions of the physiological signal into respective one or more baseline statistical values, transform one or more second portions of the physiological signal into one or more historical extreme values, and generate one or more reference values of a physiologic parameter using the baseline statistical values and the historical extreme values. The system can transform one or morethird signal portions of the physiological signal into respective one or more short-term values, and produce a cardiac condition indicator using a combination of relative differences between the short-term values and the corresponding reference values. The system can output the cardiac condition indicator, or deliver therapy according to the cardiac condition indicator.

Description

[0001] Priority claim [0002] This application claims the priority rights of U.S. Provisional Patent Application Serial No. 62 / 247,995 filed on October 29, 2015 under 35 U.S.C. §119(e), which is incorporated herein by reference in its entirety. Technical field [0003] This document relates to medical devices in general, and more specifically to systems, devices, and methods for detecting and monitoring events indicative of worsening congestive heart failure. Background technique [0004] Congestive heart failure (CHF or HF) is a major health problem and affects many people in the United States alone. CHF patients may have enlarged hearts with weakened myocardium, resulting in a decrease in cardiac blood output. Although CHF is usually a chronic disease, it can happen suddenly. It can affect the left heart, right heart, or both sides of the heart. If CHF affects the left ventricle, the signal that controls the contraction of the left ventricle is delayed, and the left and right ...

Claims

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Application Information

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IPC IPC(8): A61B5/00G16H50/00A61B5/02A61B8/08A61B5/053A61B5/11
CPCA61B5/686A61B5/02028A61B5/0535A61B5/1102A61B5/4836A61B5/4842A61B2505/07A61B7/00A61B7/023G16H40/63G16H50/20G16H50/30A61B5/7275Y02A90/10A61B8/0883A61B5/308A61B5/02A61B5/053A61B5/7225A61B5/7282A61B7/04
Inventor 普拉莫德辛格·希拉辛格·塔库尔安琪维克多利亚·A·艾沃瑞纳约翰·D·哈特莱斯塔德张仪
Owner CARDIAC PACEMAKERS INC
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