ATE382870T1 - Blutströmungs-gate-mri - Google Patents

Blutströmungs-gate-mri

Info

Publication number
ATE382870T1
ATE382870T1 AT03756077T AT03756077T ATE382870T1 AT E382870 T1 ATE382870 T1 AT E382870T1 AT 03756077 T AT03756077 T AT 03756077T AT 03756077 T AT03756077 T AT 03756077T AT E382870 T1 ATE382870 T1 AT E382870T1
Authority
AT
Austria
Prior art keywords
blood flow
cardiac cycle
navigator
flow gate
region
Prior art date
Application number
AT03756077T
Other languages
English (en)
Inventor
Gordon Demeester
Kecheng Liu
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE382870T1 publication Critical patent/ATE382870T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5676—Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0263—Measuring blood flow using NMR
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
    • A61B5/7289—Retrospective gating, i.e. associating measured signals or images with a physiological event after the actual measurement or image acquisition, e.g. by simultaneously recording an additional physiological signal during the measurement or image acquisition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
    • A61B5/7292—Prospective gating, i.e. predicting the occurrence of a physiological event for use as a synchronisation signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56316—Characterization of motion or flow; Dynamic imaging involving phase contrast techniques

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Power Engineering (AREA)
  • Pulmonology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
AT03756077T 2002-06-04 2003-05-28 Blutströmungs-gate-mri ATE382870T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/162,379 US6922580B2 (en) 2002-06-04 2002-06-04 Blood flow gated MRI

Publications (1)

Publication Number Publication Date
ATE382870T1 true ATE382870T1 (de) 2008-01-15

Family

ID=29583595

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03756077T ATE382870T1 (de) 2002-06-04 2003-05-28 Blutströmungs-gate-mri

Country Status (7)

Country Link
US (1) US6922580B2 (de)
EP (1) EP1514129B1 (de)
JP (1) JP4376779B2 (de)
AT (1) ATE382870T1 (de)
AU (1) AU2003232383A1 (de)
DE (1) DE60318438T2 (de)
WO (1) WO2003102618A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7561909B1 (en) * 2002-09-16 2009-07-14 The United States Of America As Represented By The Department Of Health And Human Services MRI navigator methods and systems
DE10256209B4 (de) * 2002-12-02 2007-06-21 Siemens Ag Verfahren zur automatischen Bestimmung des tatsächlichen Geschwindigkeitsintervalls eines fließenden Mediums bei Flussmessungen in der Magnetresonanz-Tomographie sowie Kernspintomographiegerät und Computersoftwareprodukt
US6798199B2 (en) * 2003-02-06 2004-09-28 Siemens Medical Solutions Usa, Inc. Method for synchronizing magnetic resonance imaging data to body motion
JP4820567B2 (ja) * 2004-03-26 2011-11-24 株式会社東芝 磁気共鳴イメージング装置及び磁気共鳴信号の収集方法
CN100479748C (zh) * 2004-03-26 2009-04-22 株式会社东芝 核磁共振成像装置
US7238027B2 (en) * 2004-07-20 2007-07-03 Cardiac Pacemakers, Inc. Device functionality representation tool
FR2880252A1 (fr) * 2005-01-06 2006-07-07 Yves Darlas " nouvelle methode d'analyse et de mesure de la distribution ou de la reserve sanguine coronarienne "
US8000768B2 (en) * 2005-01-10 2011-08-16 Vassol Inc. Method and system for displaying blood flow
DE102005027438B4 (de) * 2005-06-14 2011-12-22 Siemens Ag Verfahren zur EKG-Triggerung einer Messsequenz eines Magnetresonanzgeräts
US7613496B2 (en) * 2005-09-22 2009-11-03 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and magnetic resonance imaging method
JP4702107B2 (ja) * 2006-03-03 2011-06-15 株式会社日立製作所 生体光計測装置
US7693568B2 (en) 2006-03-30 2010-04-06 Medtronic, Inc. Medical device sensing and detection during MRI
US8190244B2 (en) * 2007-01-23 2012-05-29 Case Western Reserve University Gated optical coherence tomography (OCT) environmental chamber
US8320647B2 (en) 2007-11-20 2012-11-27 Olea Medical Method and system for processing multiple series of biological images obtained from a patient
BRPI0907547B8 (pt) 2008-02-28 2021-07-27 Koninklijke Philips Electronics Nv sistema de ressonância magnética, monitor seguro de pressão sanguínea para a mri, e, método para monitorar um objeto em um campo magnético
JP2010063871A (ja) * 2008-08-12 2010-03-25 Toshiba Corp 磁気共鳴イメージング装置
DE102008060049A1 (de) * 2008-12-02 2010-06-17 Siemens Aktiengesellschaft Verfahren zur Bestimmung einer Kodierung für eine Flussmessung und Verfahren zur Flussmessung sowie entsprechend ausgestaltete Magnetresonanzanlage
JP5542495B2 (ja) * 2009-06-08 2014-07-09 株式会社東芝 磁気共鳴イメージング装置
JP2011156078A (ja) * 2010-01-29 2011-08-18 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置およびプログラム
WO2012096878A2 (en) 2011-01-10 2012-07-19 East Carolina University Methods, systems and computer program products for non-invasive determination of blood flow distribution using speckle imaging techniques and hemodynamic modeling
US9226673B2 (en) * 2011-01-10 2016-01-05 East Carolina University Methods, systems and computer program products for non-invasive determination of blood flow distribution using speckle imaging techniques and hemodynamic modeling
JP5284422B2 (ja) * 2011-06-27 2013-09-11 学校法人東海大学 磁気共鳴イメージング装置
DE102012216248A1 (de) * 2012-09-13 2014-03-13 Siemens Aktiengesellschaft Medizinische Bildgebungsvorrichtung mit einer Sensoreinheit zu einem Erfassen eines physiologischen Signals sowie ein Verfahren zu einem Erfassen eines Herzzyklus eines Patienten
DE102014206724B4 (de) * 2014-04-08 2015-11-12 Siemens Aktiengesellschaft Dynamische Bildgebung mit variablem Kontrast
US10792492B2 (en) 2014-10-14 2020-10-06 East Carolina University Methods, systems and computer program products for determining physiologic status parameters using signals derived from multispectral blood flow and perfusion imaging
CA2963861C (en) 2014-10-14 2023-10-03 East Carolina University Methods, systems and computer program products for visualizing anatomical structures and blood flow and perfusion physiology using imaging techniques
US11553844B2 (en) 2014-10-14 2023-01-17 East Carolina University Methods, systems and computer program products for calculating MetaKG signals for regions having multiple sets of optical characteristics
US10390718B2 (en) 2015-03-20 2019-08-27 East Carolina University Multi-spectral physiologic visualization (MSPV) using laser imaging methods and systems for blood flow and perfusion imaging and quantification in an endoscopic design
US10058256B2 (en) 2015-03-20 2018-08-28 East Carolina University Multi-spectral laser imaging (MSLI) methods and systems for blood flow and perfusion imaging and quantification
JP6996930B2 (ja) * 2017-10-13 2022-01-17 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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US5070876A (en) * 1989-08-07 1991-12-10 The Board Of Trustees Of The Leland Stanford Junior University Flow-independent magnetic resonance projection angiography
US5031624A (en) * 1990-08-17 1991-07-16 Wisconsin Alumni Research Foundation Phase contrast, line-scanned method for NMR angiography
US5133357A (en) * 1991-02-07 1992-07-28 General Electric Company Quantitative measurement of blood flow using cylindrically localized fourier velocity encoding
US5233298A (en) * 1992-02-20 1993-08-03 General Electric Company Quantitative measurement of blood flow at multiple positions using comb excitation and fourier velocity encoding
US5435303A (en) * 1993-08-04 1995-07-25 General Electric Company MRA image produced by temporal flow data sharing
US6268730B1 (en) 1999-05-24 2001-07-31 Ge Medical Systems Global Technology Company Llc Multi-slab multi-window cardiac MR imaging
US6516210B1 (en) * 2000-11-22 2003-02-04 Koninklijke Philips Electronics N.V. Signal analysis for navigated magnetic resonance imaging

Also Published As

Publication number Publication date
WO2003102618A1 (en) 2003-12-11
US20030225328A1 (en) 2003-12-04
DE60318438D1 (de) 2008-02-14
AU2003232383A1 (en) 2003-12-19
EP1514129A1 (de) 2005-03-16
EP1514129B1 (de) 2008-01-02
JP4376779B2 (ja) 2009-12-02
DE60318438T2 (de) 2008-12-18
JP2005528175A (ja) 2005-09-22
US6922580B2 (en) 2005-07-26

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