2005
Real-Time Magnetic Resonance-Guided Endovascular Repair of Experimental Abdominal Aortic Aneurysm in Swine
Raman VK, Karmarkar PV, Guttman MA, Dick AJ, Peters DC, Ozturk C, Pessanha BS, Thompson RB, Raval AN, DeSilva R, Aviles RJ, Atalar E, McVeigh ER, Lederman RJ. Real-Time Magnetic Resonance-Guided Endovascular Repair of Experimental Abdominal Aortic Aneurysm in Swine. Journal Of The American College Of Cardiology 2005, 45: 2069-2077. PMID: 15963411, PMCID: PMC1317097, DOI: 10.1016/j.jacc.2005.03.029.Peer-Reviewed Original ResearchConceptsMRI receiver coilsLaminar flowReal-time magnetic resonance imaging (MRI) guidanceRtMRI guidanceActive devicesReceiver coilPrecise positioningSimultaneous multislice imagingAbdominal aortic aneurysmDevice visualizationExperimental abdominal aortic aneurysmsMagnetic resonance imaging (MRI) guidanceAneurysm exclusionSoft tissue contrastEndovascular repairDevicesAortic aneurysmStent strut appositionMRI artifactsFlowInfrarenal abdominal aortic aneurysmEndovascular AAA repairSuccessful aneurysm exclusionRtMRISoft tissue
2004
Reduced field of view and undersampled PR combined for interventional imaging of a fully dynamic field of view
Peters DC, Guttman MA, Dick AJ, Raman VK, Lederman RJ, McVeigh ER. Reduced field of view and undersampled PR combined for interventional imaging of a fully dynamic field of view. Magnetic Resonance In Medicine 2004, 51: 761-767. PMID: 15065249, PMCID: PMC2034278, DOI: 10.1002/mrm.20037.Peer-Reviewed Original ResearchConceptsTemporal filtering techniquesTemporal resolutionField of viewArtifact suppressionFiltering techniqueTrue frameGood temporal resolutionAccurate monitoringProjection reconstructionMRI experimentsCatheter imagingImage artifactsInterventional imagingDynamic fieldDynamic eventsImage qualityFieldProcessingFOVResolutionRFOVSimulations
2003
Undersampled projection reconstruction for active catheter imaging with adaptable temporal resolution and catheter‐only views
Peters DC, Lederman RJ, Dick AJ, Raman VK, Guttman MA, Derbyshire JA, McVeigh ER. Undersampled projection reconstruction for active catheter imaging with adaptable temporal resolution and catheter‐only views. Magnetic Resonance In Medicine 2003, 49: 216-222. PMID: 12541240, PMCID: PMC2396305, DOI: 10.1002/mrm.10390.Peer-Reviewed Original Research
2002
Catheter-Based Endomyocardial Injection With Real-Time Magnetic Resonance Imaging
Lederman RJ, Guttman MA, Peters DC, Thompson RB, Sorger JM, Dick AJ, Raman VK, McVeigh ER. Catheter-Based Endomyocardial Injection With Real-Time Magnetic Resonance Imaging. Circulation 2002, 105: 1282-1284. PMID: 11901036, PMCID: PMC1317571, DOI: 10.1161/circ.105.11.1282.Peer-Reviewed Original ResearchConceptsReal-time MRIMRI-compatible needleFirst generation prototypeRtMRI guidanceEndomyocardial injectionNeedle injectorReconstruction engineLeft ventricular cavityMagnetic resonance imagingTime magnetic resonance imagingMyocardial segmentsT MRI scannerVentricular cavityGadolinium-DTPAResonance imagingDrug deliveryLV wallCatheter navigationMultiple injectionsInjectionInjectorEngineMRI scannerCoilImaging software