IL123784A - שיטה לשליפת עיוותים מתמונות תהודה מגנטית של הלב המקודדות לפי מהירות - Google Patents
שיטה לשליפת עיוותים מתמונות תהודה מגנטית של הלב המקודדות לפי מהירותInfo
- Publication number
- IL123784A IL123784A IL12378498A IL12378498A IL123784A IL 123784 A IL123784 A IL 123784A IL 12378498 A IL12378498 A IL 12378498A IL 12378498 A IL12378498 A IL 12378498A IL 123784 A IL123784 A IL 123784A
- Authority
- IL
- Israel
- Prior art keywords
- velocity
- image
- organ
- motion
- heart
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 230000033001 locomotion Effects 0.000 claims abstract description 50
- 210000000056 organ Anatomy 0.000 claims abstract description 16
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 230000000747 cardiac effect Effects 0.000 claims description 12
- 210000005240 left ventricle Anatomy 0.000 claims description 5
- 238000005481 NMR spectroscopy Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 15
- 238000002595 magnetic resonance imaging Methods 0.000 description 15
- 238000005259 measurement Methods 0.000 description 12
- 238000013519 translation Methods 0.000 description 12
- 230000014616 translation Effects 0.000 description 12
- 230000002107 myocardial effect Effects 0.000 description 10
- 208000029078 coronary artery disease Diseases 0.000 description 7
- 210000004165 myocardium Anatomy 0.000 description 7
- 230000005284 excitation Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 230000008828 contractile function Effects 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 3
- 230000010016 myocardial function Effects 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 230000002861 ventricular Effects 0.000 description 3
- 206010007559 Cardiac failure congestive Diseases 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 2
- 206010038748 Restrictive cardiomyopathy Diseases 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 206010003119 arrhythmia Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000019622 heart disease Diseases 0.000 description 2
- 230000004217 heart function Effects 0.000 description 2
- 206010020871 hypertrophic cardiomyopathy Diseases 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010006578 Bundle-Branch Block Diseases 0.000 description 1
- 101100323189 Caenorhabditis elegans amx-1 gene Proteins 0.000 description 1
- 208000031229 Cardiomyopathies Diseases 0.000 description 1
- 206010056370 Congestive cardiomyopathy Diseases 0.000 description 1
- 201000010046 Dilated cardiomyopathy Diseases 0.000 description 1
- 206010061216 Infarction Diseases 0.000 description 1
- 244000131360 Morinda citrifolia Species 0.000 description 1
- 208000033774 Ventricular Remodeling Diseases 0.000 description 1
- 201000008803 Wolff-Parkinson-white syndrome Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000002399 angioplasty Methods 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003205 diastolic effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 210000003918 fraction a Anatomy 0.000 description 1
- 208000018578 heart valve disease Diseases 0.000 description 1
- 230000007574 infarction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000004137 mechanical activation Methods 0.000 description 1
- 238000013160 medical therapy Methods 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- 208000002089 myocardial stunning Diseases 0.000 description 1
- 235000017524 noni Nutrition 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000002603 single-photon emission computed tomography Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000264 spin echo pulse sequence Methods 0.000 description 1
- 238000009662 stress testing Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000002537 thrombolytic effect Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 201000002311 trypanosomiasis Diseases 0.000 description 1
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
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
-
- 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
- G01R33/563—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
-
- 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
- G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Vascular Medicine (AREA)
- Physiology (AREA)
- Psychiatry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4389097P | 1997-04-11 | 1997-04-11 | |
| US08/937,725 US6031374A (en) | 1997-04-11 | 1997-09-25 | Method for extracting deformations from velocity-encoded magnetic resonance images of the heart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL123784A0 IL123784A0 (en) | 1998-10-30 |
| IL123784A true IL123784A (he) | 2001-05-20 |
Family
ID=26720937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL12378498A IL123784A (he) | 1997-04-11 | 1998-03-23 | שיטה לשליפת עיוותים מתמונות תהודה מגנטית של הלב המקודדות לפי מהירות |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6031374A (he) |
| JP (1) | JPH11321A (he) |
| DE (1) | DE19813733A1 (he) |
| IL (1) | IL123784A (he) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6171241B1 (en) * | 1997-06-12 | 2001-01-09 | The Johns Hopkins University School Of Medicine | Method for measuring myocardial motion and the like |
| US6236738B1 (en) * | 1998-04-09 | 2001-05-22 | Board Of Trustees Of The Leland Stanford Junior University | Spatiotemporal finite element method for motion analysis with velocity data |
| DE19853964C1 (de) * | 1998-11-23 | 2000-05-18 | Siemens Ag | Verfahren zur Aufnahme von Röntgenbildern eines sich im wesentlichen rythmisch bewegenden Gefäßes oder Organs sowie Röntgenanlage zur Durchführung des Verfahrens |
| US6188922B1 (en) * | 1999-01-08 | 2001-02-13 | Wisconsin Alumni Research Foundation | Phase contrast imaging using interleaved projection data |
| US6114852A (en) * | 1999-01-23 | 2000-09-05 | General Electric Company | Method employing point source to determine motion induced errors in MR imaging |
| AU773421B2 (en) * | 1999-08-05 | 2004-05-27 | Government Of The United States Of America, As Represented By The Secretary Of The Department Of Health And Human Services, The | Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging |
| US6352507B1 (en) * | 1999-08-23 | 2002-03-05 | G.E. Vingmed Ultrasound As | Method and apparatus for providing real-time calculation and display of tissue deformation in ultrasound imaging |
| US6771803B1 (en) * | 2000-11-22 | 2004-08-03 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for fitting a smooth boundary to segmentation masks |
| US6473488B2 (en) | 2000-12-20 | 2002-10-29 | Cedara Software Corp. | Three dimensional image reconstruction from single plane X-ray fluorograms |
| US6470070B2 (en) | 2000-12-20 | 2002-10-22 | Cedara Software Corp. | Image reconstruction using multiple X-ray projections |
| EP1225545A1 (fr) * | 2001-01-23 | 2002-07-24 | Koninklijke Philips Electronics N.V. | Procédé de traitement d'images permettant de suivre la déformation d'un organe dans le temps |
| GB0122405D0 (en) * | 2001-09-17 | 2001-11-07 | Royal Brompton & Harefield Nhs | Magnetic resonance imaging |
| WO2003042711A1 (en) * | 2001-11-12 | 2003-05-22 | Wisconsin Alumni Research Foundation | Three-dimensional phase contrast magnetic resonance imaging using interleaved projection-reconstruction data |
| 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 |
| US7993285B2 (en) * | 2002-11-05 | 2011-08-09 | Boston Scientific Scimed, Inc. | Medical device having flexible distal tip |
| 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 |
| DE102004044698A1 (de) * | 2004-09-15 | 2006-03-30 | Siemens Ag | Verfahren zur Beseitigung von Ringartefakten aus mit einem Computertomographiegerät erzeugten Schichtbildern |
| US7457655B2 (en) * | 2004-10-08 | 2008-11-25 | Mayo Foundation For Medical Education And Research | Motion correction of magnetic resonance images using moments of spatial projections |
| US7813537B2 (en) * | 2006-05-15 | 2010-10-12 | Siemens Medical Solutions Usa, Inc. | Motion-guided segmentation for cine DENSE images |
| US7940977B2 (en) * | 2006-10-25 | 2011-05-10 | Rcadia Medical Imaging Ltd. | Method and system for automatic analysis of blood vessel structures to identify calcium or soft plaque pathologies |
| EP2074551A4 (en) * | 2006-10-25 | 2011-10-12 | Rcadia Medical Imaging Ltd | METHOD AND SYSTEM FOR THE AUTOMATIC ANALYSIS OF BLOOD VESSEL STRUCTURES AND PATHOLOGIES |
| US7940970B2 (en) * | 2006-10-25 | 2011-05-10 | Rcadia Medical Imaging, Ltd | Method and system for automatic quality control used in computerized analysis of CT angiography |
| US7983459B2 (en) * | 2006-10-25 | 2011-07-19 | Rcadia Medical Imaging Ltd. | Creating a blood vessel tree from imaging data |
| US8271070B2 (en) * | 2007-10-04 | 2012-09-18 | Siemens Aktiengesellschaft | Method for monitoring myocardial wall thickness |
| US8320647B2 (en) * | 2007-11-20 | 2012-11-27 | Olea Medical | Method and system for processing multiple series of biological images obtained from a patient |
| US8478012B2 (en) * | 2009-09-14 | 2013-07-02 | General Electric Company | Methods, apparatus and articles of manufacture to process cardiac images to detect heart motion abnormalities |
| US9585568B2 (en) * | 2011-09-11 | 2017-03-07 | Steven D. Wolff | Noninvasive methods for determining the pressure gradient across a heart valve without using velocity data at the valve orifice |
| US9014781B2 (en) | 2012-04-19 | 2015-04-21 | General Electric Company | Systems and methods for magnetic resonance angiography |
| DE102014209803B4 (de) | 2014-05-22 | 2016-03-03 | Siemens Aktiengesellschaft | 4D-Geschwindigkeitsprofil-Bildaufnahme mit einer Magnetresonanzanlage |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5408180A (en) * | 1993-08-13 | 1995-04-18 | Wisconsin Alumni Research Foundation | Measurement of flow using a complex difference method of magnetic resonance imaging |
| US5592085A (en) * | 1994-10-19 | 1997-01-07 | Mayo Foundation For Medical Education And Research | MR imaging of synchronous spin motion and strain waves |
| US5825186A (en) * | 1994-10-19 | 1998-10-20 | Mayo Foundation For Medical Education And Research | Method for producing stiffness-weighted MR images |
| US5680862A (en) * | 1995-02-01 | 1997-10-28 | The Board Of Trustees Of The Leland Stanford Junior University | Iterative method of determining trajectory of a moving region in a moving material using velocity measurements in a fixed frame of reference |
-
1997
- 1997-09-25 US US08/937,725 patent/US6031374A/en not_active Expired - Fee Related
-
1998
- 1998-03-23 IL IL12378498A patent/IL123784A/he active IP Right Grant
- 1998-03-27 DE DE19813733A patent/DE19813733A1/de not_active Withdrawn
- 1998-04-08 JP JP10095107A patent/JPH11321A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IL123784A0 (en) | 1998-10-30 |
| JPH11321A (ja) | 1999-01-06 |
| DE19813733A1 (de) | 1998-10-15 |
| US6031374A (en) | 2000-02-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted |