2020
Magnetic resonance imaging–guided cryoballoon ablation for left atrial substrate modification in patients with atrial fibrillation
Kirstein B, Morris A, Baher A, Csécs I, Kheirkhahan M, Kaur G, Kholmovski E, Marrouche N. Magnetic resonance imaging–guided cryoballoon ablation for left atrial substrate modification in patients with atrial fibrillation. Journal Of Cardiovascular Electrophysiology 2020, 31: 1587-1594. PMID: 32412119, DOI: 10.1111/jce.14551.Peer-Reviewed Original ResearchConceptsPulmonary vein isolationCryoballoon ablationLGE-MRIAtrial fibrillationFirst-time AF ablationGadolinium-enhanced magnetic resonance imagingTreatment of atrial fibrillationLA substrateLate gadolinium enhancement magnetic resonance imagingEnhanced magnetic resonance imagingEsophageal thermal injuryAtrial substrate modificationMagnetic resonance imagingVein isolationAF recurrenceAF ablationPulmonary veinsPeriprocedural dataLA scarRhythm monitoringSubstrate modificationResonance imagingThermal injuryCryoballoonPostablationLeft atrial fibrosis progression detected by LGE‐MRI after ablation of atrial fibrillation
Kheirkhahan M, Baher A, Goldooz M, Kholmovski E, Morris A, Csecs I, Chelu M, Wilson B, Marrouche N. Left atrial fibrosis progression detected by LGE‐MRI after ablation of atrial fibrillation. Pacing And Clinical Electrophysiology 2020, 43: 402-411. PMID: 31867751, DOI: 10.1111/pace.13866.Peer-Reviewed Original ResearchConceptsAF recurrenceAF ablationLGE-MRIAtrial fibrillationLong-term procedural outcomesGadolinium-enhanced magnetic resonance imagingAssociated with significantly higher riskArrhythmia-free survivalAtrial arrhythmia recurrencePostablation AF recurrenceLate gadolinium enhancement magnetic resonance imagingEnhanced magnetic resonance imagingFollow-up periodSignificantly higher riskCardiovascular risk factorsMagnetic resonance imagingMonths postablationArrhythmia recurrenceConsecutive patientsLA fibrosisAblation proceduresFibrosis progressionProcedural outcomesAblation lesionsRecurrence
2019
Left atrial functional and structural changes associated with ablation of atrial fibrillation - Cardiac magnetic resonance study
Csécs I, Yamaguchi T, Kheirkhahan M, Czimbalmos C, Fochler F, Kholmovski E, Morris A, Kaur G, Vago H, Merkely B, Chelu M, Marrouche N, Wilson B. Left atrial functional and structural changes associated with ablation of atrial fibrillation - Cardiac magnetic resonance study. International Journal Of Cardiology 2019, 305: 154-160. PMID: 31874788, DOI: 10.1016/j.ijcard.2019.12.010.Peer-Reviewed Original ResearchConceptsCardiac magnetic resonance imagingCardiac magnetic resonance studyLA-LGEPredictors of recurrenceLate gadolinium enhancementLA volumeAtrial fibrillationPredictor of arrhythmia recurrenceSuccess of AF ablationAssessment of LA functionSelection of optimal treatment strategiesSuccess of atrial fibrillationOptimal treatment strategyBaseline functional parametersAssociated with ablationMagnetic resonance imagingArrhythmia recurrenceAF ablationAF patientsAtrial functionLA functionPost-ablationUnivariate analysisTreatment strategiesRecurrence