2013
Relationship of Ostial Pulmonary Vein Scar with Reduction in Pulmonary Vein Size after Radiofrequency Ablation for the Treatment of Atrial Fibrillation: An Observational Cohort Study.
Hauser TH, Peters DC, Wylie MV, Lau C, Josephson ME, Manning WJ. Relationship of Ostial Pulmonary Vein Scar with Reduction in Pulmonary Vein Size after Radiofrequency Ablation for the Treatment of Atrial Fibrillation: An Observational Cohort Study. Journal Of Atrial Fibrillation 2013, 5: 788. PMID: 28496832, PMCID: PMC5153178, DOI: 10.4022/jafib.788.Peer-Reviewed Original ResearchPulmonary veinsCardiovascular magnetic resonanceRF ablationAtrial fibrillationPV diameterCross-sectional areaLate gadolinium enhancement cardiovascular magnetic resonanceEnhancement cardiovascular magnetic resonancePulmonary vein sizeObservational cohort studyTreatment of AFRadiofrequency ablation proceduresAF ablationCohort studyPV ostiaHighest quartileStudy cohortConsecutive subjectsRadiofrequency ablationLeft atriumAblation proceduresVein sizeLGE scarGreater reductionScar volumeEvaluation of current algorithms for segmentation of scar tissue from late Gadolinium enhancement cardiovascular magnetic resonance of the left atrium: an open-access grand challenge
Karim R, Housden RJ, Balasubramaniam M, Chen Z, Perry D, Uddin A, Al-Beyatti Y, Palkhi E, Acheampong P, Obom S, Hennemuth A, Lu Y, Bai W, Shi W, Gao Y, Peitgen HO, Radau P, Razavi R, Tannenbaum A, Rueckert D, Cates J, Schaeffter T, Peters D, MacLeod R, Rhode K. Evaluation of current algorithms for segmentation of scar tissue from late Gadolinium enhancement cardiovascular magnetic resonance of the left atrium: an open-access grand challenge. Journal Of Cardiovascular Magnetic Resonance 2013, 15: 105. PMID: 24359544, PMCID: PMC3878126, DOI: 10.1186/1532-429x-15-105.Peer-Reviewed Original ResearchConceptsRadio-frequency catheter ablationAtrial fibrillationTreatment of AFEnhancement cardiovascular magnetic resonance imagingLate gadolinium enhancement cardiovascular magnetic resonanceReference standardEnhancement cardiovascular magnetic resonanceCardiovascular magnetic resonance imagingPost-ablation imagesRegions of fibrosisAssessment of treatmentCardiovascular magnetic resonanceMagnetic resonance imagingPost-ablation imagingLA fibrosisCatheter ablationLGE CMR imagesCMR imagesLeft atriumTreatment stratificationScar tissueResonance imagingFibrosisStandardised evaluationKing's College London
2012
Respiratory bellows‐gated late gadolinium enhancement of the left atrium
Peters DC, Shaw JL, Knowles BR, Moghari MH, Manning WJ. Respiratory bellows‐gated late gadolinium enhancement of the left atrium. Journal Of Magnetic Resonance Imaging 2012, 38: 1210-1214. PMID: 23197465, PMCID: PMC3812253, DOI: 10.1002/jmri.23954.Peer-Reviewed Original ResearchConceptsRight inferior pulmonary veinLate gadolinium enhancementRight superior PVAtrial fibrillationGadolinium enhancementRespiratory compensationScar presenceInferior pulmonary veinNav gatingPresence of scarAtrial imagingSuperior PVBlinded gradingPulmonary veinsLeft atriumTrue scarsPatientsQuadrantScarImproved assessmentFibrillationAtrium
2010
Noncontrast 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
2008
Evaluating the left atrium by magnetic resonance imaging
Hauser TH, Peters DC, Wylie JV, Manning WJ. Evaluating the left atrium by magnetic resonance imaging. EP Europace 2008, 10: iii22-iii27. PMID: 18955395, PMCID: PMC2573030, DOI: 10.1093/europace/eun223.Peer-Reviewed Original ResearchConceptsLeft atriumPulmonary veinsRecurrent atrial fibrillationAtrial fibrillation ablationMagnetic resonance imagingFibrillation ablationAtrial fibrillationVariant anatomyAblation therapyMagnetic resonance imaging methodResonance imagingAtriumVeinAnatomyCatheterFibrillationImaging methodTherapyPreventionLeft atrial function and scar after catheter ablation of atrial fibrillation
Wylie JV, Peters DC, Essebag V, Manning WJ, Josephson ME, Hauser TH. Left atrial function and scar after catheter ablation of atrial fibrillation. Heart Rhythm 2008, 5: 656-662. PMID: 18452866, DOI: 10.1016/j.hrthm.2008.02.008.Peer-Reviewed Original ResearchConceptsAtrial systolic functionLA ejection fractionAtrial fibrillationCatheter ablationEjection fractionRadiofrequency ablationLeft atriumAF ablationSystolic functionLA functionCircumferential pulmonary vein isolationMaximum RA volumeRA ejection fractionCardiovascular magnetic resonance imagingPulmonary vein isolationLA scarPersistent atrial fibrillationMaximum LA volumeCine CMR imagingScar volumeMagnetic resonance imagingThromboembolic riskAtrial functionVein isolationConsecutive patients
2007
Detection of Pulmonary Vein and Left Atrial Scar after Catheter Ablation with Three-dimensional Navigator-gated Delayed Enhancement MR Imaging: Initial Experience
Peters DC, Wylie JV, Hauser TH, Kissinger KV, Botnar RM, Essebag V, Josephson ME, Manning WJ. Detection of Pulmonary Vein and Left Atrial Scar after Catheter Ablation with Three-dimensional Navigator-gated Delayed Enhancement MR Imaging: Initial Experience. Radiology 2007, 243: 690-5. PMID: 17517928, DOI: 10.1148/radiol.2433060417.Peer-Reviewed Original ResearchConceptsPulmonary veinsLeft atriumEnhancement MR imagingLeft inferior pulmonary veinMR imagingInferior pulmonary veinEnhancement magnetic resonance imagingLocal institutional review boardUnpaired t-testMagnetic resonance imagingInstitutional review boardIsolation therapyCatheter ablationAtrial fibrillationRadiofrequency ablationInteratrial septumAtrial wallEnhancement patternPatientsInitial experienceAtrial scarResonance imagingRF ablationMR imaging methodsInformed consent