WO2003041797A3 - System for determining changes in heart failure status - Google Patents

System for determining changes in heart failure status Download PDF

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Publication number
WO2003041797A3
WO2003041797A3 PCT/US2002/036821 US0236821W WO03041797A3 WO 2003041797 A3 WO2003041797 A3 WO 2003041797A3 US 0236821 W US0236821 W US 0236821W WO 03041797 A3 WO03041797 A3 WO 03041797A3
Authority
WO
WIPO (PCT)
Prior art keywords
heart failure
failure status
clinical
determining changes
status
Prior art date
Application number
PCT/US2002/036821
Other languages
French (fr)
Other versions
WO2003041797A2 (en
Inventor
Qingsheng Zhu
Julio C Spinelli
Bruce H Kenknight
Jay A Warren
Original Assignee
Cardiac Pacemakers Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cardiac Pacemakers Inc filed Critical Cardiac Pacemakers Inc
Priority to EP02793949A priority Critical patent/EP1446193A2/en
Publication of WO2003041797A2 publication Critical patent/WO2003041797A2/en
Publication of WO2003041797A3 publication Critical patent/WO2003041797A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/3627—Heart stimulators for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/36585—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by two or more physical parameters

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Hospice & Palliative Care (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

A method for operating a cardiac rhythm management device in which a clinical state vector is computed as a combination of a plurality of parameters related to a patient's heart failure status and compared to a previously computed clinical state vector to determine a clinical trajectory indicative of changes in the patient's heart failure status. Such detected changes in status can be used both as a clinical tool to evaluate treatment and to automatically adjust the operation of the device.
PCT/US2002/036821 2001-11-15 2002-11-15 System for determining changes in heart failure status WO2003041797A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02793949A EP1446193A2 (en) 2001-11-15 2002-11-15 System for determining changes in heart failure status

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/001,223 US6980851B2 (en) 2001-11-15 2001-11-15 Method and apparatus for determining changes in heart failure status
US10/001,223 2001-11-15

Publications (2)

Publication Number Publication Date
WO2003041797A2 WO2003041797A2 (en) 2003-05-22
WO2003041797A3 true WO2003041797A3 (en) 2003-10-23

Family

ID=21694977

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/036821 WO2003041797A2 (en) 2001-11-15 2002-11-15 System for determining changes in heart failure status

Country Status (3)

Country Link
US (2) US6980851B2 (en)
EP (1) EP1446193A2 (en)
WO (1) WO2003041797A2 (en)

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Also Published As

Publication number Publication date
WO2003041797A2 (en) 2003-05-22
US6980851B2 (en) 2005-12-27
US7769437B2 (en) 2010-08-03
US20030093125A1 (en) 2003-05-15
US20060089679A1 (en) 2006-04-27
EP1446193A2 (en) 2004-08-18

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