Pause-dependent mitral isthmus conduction block during ablation of the mitral isthmus: What is the mechanism?

Atrial Fibrillation / diagnosis Catheter Ablation / adverse effects Heart Rate Humans Mitral Valve / diagnostic imaging Tachycardia, Supraventricular / diagnosis Treatment Outcome
ablation atrial fibrillation liner line ablation mitral isthmus pause-dependent block

Journal

Journal of cardiovascular electrophysiology
ISSN: 1540-8167
Titre abrégé: J Cardiovasc Electrophysiol
Pays: United States
ID NLM: 9010756

Informations de publication

Date de publication:
01 2021
Historique:
received: 19 09 2020
revised: 02 11 2020
accepted: 15 11 2020
pubmed: 19 11 2020
medline: 29 7 2021
entrez: 18 11 2020
Statut: ppublish

Résumé

Mitral isthmus (MI) ablation is commonly performed as an adjunct therapy to pulmonary isolation during the treatment for persistent atrial fibrillation. Confirmation of complete MI block is essential because an incomplete MI block may result in iatrogenic atrial tachycardia. However, there are several pitfalls in the diagnosis of an MI line block. We herein report a case of transient pause-dependent MI block during MI ablation.

Identifiants

DOI: 10.1111/jce.14819 PMID: 33206428
pubmed: 33206428
doi: 10.1111/jce.14819
doi:

Types de publication

Case Reports Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

162-165

Informations de copyright

© 2020 Wiley Periodicals LLC.

Références

El-Sherif N, Jalife J. Paroxysmal atrioventricular block: are phase 3 and phase 4 block mechanisms or misnomers? Heart Rhythm. 2009;6:1514-1521.
Rosenbaum MB, Elizari MV, Levi RJ, Nau GJ. Paroxysmal atrioventricular block related to hypopolarization and spontaneous diastolic depolarization. Chest. 1973;63:678-688.
Sauer WH, Lowery CM, Callans DJ, Lewkowiez L. Phase 4 conduction block of a right midseptal accessory pathway. Heart Rhythm. 2007;4:686-687.
Fujiki A, Yoshida S, Tani M, Sasayama S. Intermittent Wolff-Parkinson-White syndrome due to phase 3 and phase 4 block: disappearance of rapid ventricular response during atrial fibrillation. J Electrocardiol. 1988;21:77-82.
Morita H, Zipes DP, Morita ST, Wu J. The role of coronary sinus musculature in the induction of atrial fibrillation. Heart Rhythm. 2012;9:581-589.
Datino T, Macle L, Qi XY, et al. Mechanisms by which adenosine restores conduction in dormant canine pulmonary veins. Circulation. 2010;121:963-972.

Auteurs

Tsukasa Kamakura (T)

Department of Cardiac Pacing and Electrophysiology, IHC, Liryc, Electrophysiology and Heart modeling Institute, Bordeaux University Hospital (CHU), University of Bordeaux, Pessac-Bordeaux, France.
ORCID: 0000-0003-2964-2544

Remi Chauvel (R)

Department of Cardiac Pacing and Electrophysiology, IHC, Liryc, Electrophysiology and Heart modeling Institute, Bordeaux University Hospital (CHU), University of Bordeaux, Pessac-Bordeaux, France.

Josselin Duchateau (J)

Department of Cardiac Pacing and Electrophysiology, IHC, Liryc, Electrophysiology and Heart modeling Institute, Bordeaux University Hospital (CHU), University of Bordeaux, Pessac-Bordeaux, France.

Nicolas Derval (N)

Department of Cardiac Pacing and Electrophysiology, IHC, Liryc, Electrophysiology and Heart modeling Institute, Bordeaux University Hospital (CHU), University of Bordeaux, Pessac-Bordeaux, France.

Thomas Pambrun (T)

Department of Cardiac Pacing and Electrophysiology, IHC, Liryc, Electrophysiology and Heart modeling Institute, Bordeaux University Hospital (CHU), University of Bordeaux, Pessac-Bordeaux, France.

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Classifications MeSH

questionsmedicales.fr › États, signes et symptômes pathologiques › Processus pathologiques › Troubles du rythme cardiaque › Fibrillation auriculaire › Pause-dependent mitral isthmus conduction...
questionsmedicales.fr › Procédures de chirurgie opératoire › Techniques d'ablation › Ablation par radiofréquence › Ablation par cathéter › Pause-dependent mitral isthmus conduction...
questionsmedicales.fr › Phénomènes physiologiques respiratoires et circulatoires › Phénomènes physiologiques cardiovasculaires › Hémodynamique › Rythme cardiaque › Pause-dependent mitral isthmus conduction...
questionsmedicales.fr › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Primates › Haplorhini › Catarrhini › Hominidae › Humains › Pause-dependent mitral isthmus conduction...
questionsmedicales.fr › Système cardiovasculaire › Coeur › Valves cardiaques › Valve atrioventriculaire gauche › Pause-dependent mitral isthmus conduction...
questionsmedicales.fr › États, signes et symptômes pathologiques › Processus pathologiques › Troubles du rythme cardiaque › Tachycardie › Tachycardie supraventriculaire › Pause-dependent mitral isthmus conduction...
questionsmedicales.fr › Qualité, accès, évaluation des soins de santé › Qualité des soins de santé › Mécanismes d'évaluation des soins de santé › Évaluation des résultats et des processus en soins de santé › Évaluation de résultat (soins) › Résultat thérapeutique › Pause-dependent mitral isthmus conduction...