WO2006104869A3 - Method and apparatus for evaluating ventricular performance during isovolumic contraction - Google Patents

Method and apparatus for evaluating ventricular performance during isovolumic contraction Download PDF

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Publication number
WO2006104869A3
WO2006104869A3 PCT/US2006/010713 US2006010713W WO2006104869A3 WO 2006104869 A3 WO2006104869 A3 WO 2006104869A3 US 2006010713 W US2006010713 W US 2006010713W WO 2006104869 A3 WO2006104869 A3 WO 2006104869A3
Authority
WO
WIPO (PCT)
Prior art keywords
ventricular
ventricular performance
sensors
performance
performance during
Prior art date
Application number
PCT/US2006/010713
Other languages
French (fr)
Other versions
WO2006104869A2 (en
WO2006104869A9 (en
Inventor
Douglas A Hettrick
David E Euler
Original Assignee
Medtronic Inc
Douglas A Hettrick
David E Euler
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 Medtronic Inc, Douglas A Hettrick, David E Euler filed Critical Medtronic Inc
Priority to DE602006006998T priority Critical patent/DE602006006998D1/en
Priority to EP06748629A priority patent/EP1885443B1/en
Priority to JP2008504183A priority patent/JP5203183B2/en
Priority to CA002600870A priority patent/CA2600870A1/en
Priority to AT06748629T priority patent/ATE432107T1/en
Publication of WO2006104869A2 publication Critical patent/WO2006104869A2/en
Publication of WO2006104869A9 publication Critical patent/WO2006104869A9/en
Publication of WO2006104869A3 publication Critical patent/WO2006104869A3/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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0858—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving measuring tissue layers, e.g. skin, interfaces
    • 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
    • A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions
    • A61N1/3684—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions for stimulating the heart at multiple sites of the ventricle or the atrium
    • 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
    • A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions
    • A61N1/3684—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions for stimulating the heart at multiple sites of the ventricle or the atrium
    • A61N1/36842—Multi-site stimulation in the same chamber
    • 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
    • A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions
    • A61N1/3684—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions for stimulating the heart at multiple sites of the ventricle or the atrium
    • A61N1/36843—Bi-ventricular stimulation
    • 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
    • A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
    • A61N1/36528—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure the parameter being measured by means of ultrasound

Abstract

A method of evaluating ventricular performance of a heart employing sensors to measure a ventricular dimension signal and deriving indices of ventricular performance therefrom. Premature Shortening (PS) and Isovolumic Lengthening (IL) comprise two indices of ventricular performance determined from analysis of the left ventricular dimension signal during the transition from ventricular filling to ventricular ejection. Measured values of PS and IL are compared to other measured values or reference values to determine if ventricular performance has improved (or worsened). In some embodiments, the dimension sensors may comprise piezoelectric sonomicrometer crystals that operate as ultrasound transmitters and receivers. The sensors may be mounted in relation to a ventricle of the heart either temporarily or permanently, and may be configured either separately from or integrally with cardiac pacing leads.
PCT/US2006/010713 2005-03-31 2006-03-23 Method and apparatus for evaluating ventricular performance during isovolumic contraction WO2006104869A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE602006006998T DE602006006998D1 (en) 2005-03-31 2006-03-23 DEVICE FOR ASSESSING VENTRICULAR PERFORMANCE DURING THE ISOVOLUMETRIC CONTRACTION
EP06748629A EP1885443B1 (en) 2005-03-31 2006-03-23 Apparatus for evaluating ventricular performance during isovolumic contraction
JP2008504183A JP5203183B2 (en) 2005-03-31 2006-03-23 Device for assessing ventricular function during isovolumetric contraction
CA002600870A CA2600870A1 (en) 2005-03-31 2006-03-23 Method and apparatus for evaluating ventricular performance during isovolumic contraction
AT06748629T ATE432107T1 (en) 2005-03-31 2006-03-23 DEVICE FOR ASSESSING VENTRICAL PERFORMANCE DURING ISOVOLUMETRIC CONTRACTION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/097,706 US7233821B2 (en) 2005-03-31 2005-03-31 Method and apparatus for evaluating ventricular performance during isovolumic contraction
US11/097,706 2005-03-31

Publications (3)

Publication Number Publication Date
WO2006104869A2 WO2006104869A2 (en) 2006-10-05
WO2006104869A9 WO2006104869A9 (en) 2006-11-16
WO2006104869A3 true WO2006104869A3 (en) 2007-04-05

Family

ID=36950445

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/010713 WO2006104869A2 (en) 2005-03-31 2006-03-23 Method and apparatus for evaluating ventricular performance during isovolumic contraction

Country Status (7)

Country Link
US (1) US7233821B2 (en)
EP (1) EP1885443B1 (en)
JP (1) JP5203183B2 (en)
AT (1) ATE432107T1 (en)
CA (1) CA2600870A1 (en)
DE (1) DE602006006998D1 (en)
WO (1) WO2006104869A2 (en)

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US8948867B2 (en) 2006-09-14 2015-02-03 Cardiac Pacemakers, Inc. Capture detection with cross chamber backup pacing
US8265736B2 (en) 2007-08-07 2012-09-11 Cardiac Pacemakers, Inc. Method and apparatus to perform electrode combination selection
US9037239B2 (en) 2007-08-07 2015-05-19 Cardiac Pacemakers, Inc. Method and apparatus to perform electrode combination selection
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US8273029B2 (en) * 2008-02-18 2012-09-25 Washington University Pressure recovery index to assess cardiac function
WO2009134170A1 (en) * 2008-04-29 2009-11-05 St. Jude Medical Ab Heart failure detecting medical device
US8818507B2 (en) * 2008-05-27 2014-08-26 Cardiac Pacemakers, Inc. Coronary vein dimensional sensor and fixation apparatus
WO2010052303A1 (en) * 2008-11-06 2010-05-14 Oslo Universitetssykehus Hf Analysis of ventricular electro-mechanical activation data
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EP2385787A2 (en) * 2009-01-06 2011-11-16 Proteus Biomedical, Inc. Method, system and device for acoustic and photonic tomography
WO2010135653A1 (en) * 2009-05-22 2010-11-25 Imacor Inc. Tee-assisted cardiac resynchronization therapy with mechanical activation mapping
JP2012522613A (en) * 2009-05-26 2012-09-27 カーディアック ペースメイカーズ， インコーポレイテッド System and method for rhythm identification and treatment identification using hemodynamic status information
US8417336B2 (en) * 2009-06-01 2013-04-09 Cardiac Pacemakers, Inc. System and method for pacing rate control utilizing patient hemodynamic status information
EP2437849B1 (en) * 2009-06-01 2017-02-22 Cardiac Pacemakers, Inc. System for decompensation detection and treatment based on patient hemodynamics
US8758257B2 (en) * 2009-12-24 2014-06-24 Renzo Cecere Instrument including a movement sensor for positioning an effective portion and method of using same
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US9095284B2 (en) 2010-10-28 2015-08-04 Medtronic, Inc. Distance measurement using implantable acoustic transducers
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WO2014116535A1 (en) * 2013-01-22 2014-07-31 Duke University Systems and methods for optimizing cardiac resynchronization therapy (crt)
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Also Published As

Publication number Publication date
CA2600870A1 (en) 2006-10-05
DE602006006998D1 (en) 2009-07-09
WO2006104869A2 (en) 2006-10-05
US7233821B2 (en) 2007-06-19
EP1885443A2 (en) 2008-02-13
WO2006104869A9 (en) 2006-11-16
JP2008535555A (en) 2008-09-04
ATE432107T1 (en) 2009-06-15
JP5203183B2 (en) 2013-06-05
EP1885443B1 (en) 2009-05-27
US20060224203A1 (en) 2006-10-05

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