2024
bSSFP Phase Contrast (PC-SSFP) at 0.55T Applied to Aortic Flow
Xiang J, Ramasawmy R, Seemann F, Peters D, Campbell-Washburn A. bSSFP Phase Contrast (PC-SSFP) at 0.55T Applied to Aortic Flow. Journal Of Cardiovascular Magnetic Resonance 2024, 101098. PMID: 39278416, DOI: 10.1016/j.jocmr.2024.101098.Peer-Reviewed Original ResearchBalanced steady state free precessionPhase contrastGradient momentsBreath-holdFree-breathing protocolFree breathingGradient echoCardiac outputFree precessionStroke volumeAortic flow quantificationAortic flowPhantomSteady state free precessionSpoiled gradient echoFlow imagingMeasured aortic flowFraction measurementsTeHealthy volunteersVelocity measurementsPlanimetry measurementsCardiac MRHealthy subjectsIncreased SNRTricuspid valve flow measurement using a deep learning framework for automated valve‐tracking 2D phase contrast
Lamy J, Gonzales R, Xiang J, Seemann F, Huber S, Steele J, Wieben O, Heiberg E, Peters D. Tricuspid valve flow measurement using a deep learning framework for automated valve‐tracking 2D phase contrast. Magnetic Resonance In Medicine 2024, 92: 1838-1850. PMID: 38817154, PMCID: PMC11341256, DOI: 10.1002/mrm.30163.Peer-Reviewed Original ResearchStroke volumeHealthy subjectsLong-axis cine imagesTricuspid valve planeTricuspid regurgitation velocityDiastolic function evaluationVentricular stroke volumePhase contrastSystolic excursionRegurgitation velocityTricuspid valveTrace regurgitationDiastolic flowCine imagesTricuspidClinical challengeCardiovascular MRValve planeValvular planeAcquisition planeHigh-velocity jetPatientsTraining deep learning networksPlanimetryDeep learning framework
2023
2.5D Flow MRI: 2D phase-contrast of the tricuspid valvular flow with automated valve-tracking
Lamy J, Xiang J, Seemann F, Gonzales R, Huber S, Steele J, Heiberg E, Peters D. 2.5D Flow MRI: 2D phase-contrast of the tricuspid valvular flow with automated valve-tracking. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/0930.Peer-Reviewed Original ResearchAssociated with diastolic dysfunctionTricuspid regurgitation velocityRV stroke volumePhase contrastDiastolic dysfunctionTricuspid regurgitationPulmonary hypertensionRegurgitation velocityPressure overloadRight heartHealthy subjectsTricuspidPhase contrast methodStroke volumeFlow MRIRegurgitationValvular flowPatientsPhase-dependent mannerFlow volumeEchocardiography
2010
Respiratory bellows revisited for motion compensation: Preliminary experience for cardiovascular MR
Santelli C, Nezafat R, Goddu B, Manning WJ, Smink J, Kozerke S, Peters DC. Respiratory bellows revisited for motion compensation: Preliminary experience for cardiovascular MR. Magnetic Resonance In Medicine 2010, 65: 1097-1102. PMID: 21413074, PMCID: PMC3126878, DOI: 10.1002/mrm.22687.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsArtifactsCoronary VesselsFemaleHumansImage EnhancementImage Interpretation, Computer-AssistedMagnetic Resonance AngiographyMagnetic Resonance Imaging, CineMaleMotionPilot ProjectsReproducibility of ResultsRespiratory-Gated Imaging TechniquesSensitivity and SpecificityYoung AdultNoncontrast SSFP pulmonary vein magnetic resonance angiography: Impact of off‐resonance and flow
Hu P, Stoeck CT, Smink J, Peters DC, Ngo L, Goddu B, Kissinger KV, Goepfert LA, Chan J, Hauser TH, Rofsky NM, Manning WJ, Nezafat R. Noncontrast SSFP pulmonary vein magnetic resonance angiography: Impact of off‐resonance and flow. Journal Of Magnetic Resonance Imaging 2010, 32: 1255-1261. PMID: 21031533, PMCID: PMC2975425, DOI: 10.1002/jmri.22356.Peer-Reviewed Original ResearchConceptsMagnetic resonance angiographyPulmonary veinsHealthy subjectsResonance angiographyAtrial fibrillation patientsSuperior pulmonary veinBlood flow velocityHealthy adult subjectsSignal voidVoid artifactsFibrillation patientsAF patientsPV bloodPV flowLeft atriumBlood flowAdult subjectsTrigger delaySignal void artifactsPatientsAngiographySubjectsCauseSSFP sequencePulmonary
2009
Shorter difference between myocardium and blood optimal inversion time suggests diffuse fibrosis in dilated cardiomyopathy
Han Y, Peters DC, Dokhan B, Manning WJ. Shorter difference between myocardium and blood optimal inversion time suggests diffuse fibrosis in dilated cardiomyopathy. Journal Of Magnetic Resonance Imaging 2009, 30: 967-972. PMID: 19856417, PMCID: PMC2862561, DOI: 10.1002/jmri.21953.Peer-Reviewed Original ResearchConceptsDCM patientsDiffuse fibrosisCardiovascular magnetic resonance studyLGE CMR imagesCardiomyopathy patientsHealthy controlsHealthy subjectsLGE-CMRHeart ratePatientsFibrosisOptimal inversion timeBloodMyocardiumMyocardium contrastInversion timeShort differencesBlood signalBlood SNRDCMOptimal timeLower CNRWhole heart magnetization‐prepared steady‐state free precession coronary vein MRI
Stoeck CT, Han Y, Peters DC, Hu P, Yeon SB, Kissinger KV, Goddu B, Goepfert L, Manning WJ, Kozerke S, Nezafat R. Whole heart magnetization‐prepared steady‐state free precession coronary vein MRI. Journal Of Magnetic Resonance Imaging 2009, 29: 1293-1299. PMID: 19472386, DOI: 10.1002/jmri.21788.Peer-Reviewed Original ResearchConceptsCoronary veinLead implantationLeft ventricular lateral wallLateral left ventricular wallVisualization of branchesVentricular lateral wallLeft ventricular wallWhole-heart imagesSteady-state free precessionHealthy subjectsWhole-heart acquisitionVentricular wallGradient echo sequenceLateral wallVisual gradingVisible image artifactsMRIVeinImaging sequenceImplantationAnatomical featuresImaging method
2007
Delayed-Enhancement Cardiovascular Magnetic Resonance Coronary Artery Wall Imaging Comparison With Multislice Computed Tomography and Quantitative Coronary Angiography
Yeon SB, Sabir A, Clouse M, Martinezclark PO, Peters DC, Hauser TH, Gibson CM, Nezafat R, Maintz D, Manning WJ, Botnar RM. Delayed-Enhancement Cardiovascular Magnetic Resonance Coronary Artery Wall Imaging Comparison With Multislice Computed Tomography and Quantitative Coronary Angiography. Journal Of The American College Of Cardiology 2007, 50: 441-447. PMID: 17662397, DOI: 10.1016/j.jacc.2007.03.052.Peer-Reviewed Original ResearchConceptsQuantitative coronary angiographyCoronary artery wallCoronary vessel wallCoronary angiographyRisk factorsArtery wallCardiovascular risk factorsCoronary artery diseaseCoronary artery stenosisSeverity of atherosclerosisCoronary vessel wall imagingVessel wallMultislice Computed TomographyVessel wall imagingArtery diseaseCoronary diseaseArtery stenosisNoncalcified plaqueCoronary segmentsDE-CMRHealthy subjectsComputed tomographyGreater prevalenceMSCTNoninvasive method
2006
Characterizing radial undersampling artifacts for cardiac applications
Peters DC, Rohatgi P, Botnar RM, Yeon SB, Kissinger KV, Manning WJ. Characterizing radial undersampling artifacts for cardiac applications. Magnetic Resonance In Medicine 2006, 55: 396-403. PMID: 16408266, DOI: 10.1002/mrm.20782.Peer-Reviewed Original Research