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01.06.2015 | Cardiac Magnetic Resonance (E Nagel and V Puntmann, Section Editors)

Advances in CMR of Post-ablation Atrial Injury

verfasst von: James L. Harrison, John Whitaker, Henry Chubb, Steven E. Williams, Matthew Wright, Reza S. Razavi, Mark D. O’Neill

Erschienen in: Current Cardiovascular Imaging Reports | Ausgabe 6/2015

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Abstract

Technical advancements in cardiac magnetic resonance (CMR) imaging over the past two decades have allowed clinically useful imaging of the thin atrial wall for the first time. During this period, there has been a parallel increase in the use of catheter ablation to treat atrial fibrillation (AF). These developments have led to new indications for and increasing use of CMR in the assessment of pre- and post-ablation atrial structure and function and their potential link to arrhythmia substrate. This review focuses on the role of CMR in the assessment of acute and chronic post-ablation atrial tissue characterisation and its potential use in the treatment of atrial arrhythmias.

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Harrison JL, Sohns C, Linton NW, Karim R, Williams SE, Rhode KS, et al. Repeat left atrial catheter ablation: cardiac magnetic resonance prediction of endocardial voltage and gaps in ablation lesion sets. Circ Arrhythm Electrophysiol. 2015.

29.••

Hunter RJ, Jones DA, Boubertakh R, Malcolme-Lawes LC, Kanagaratnam P, Juli CF, et al. Diagnostic accuracy of cardiac magnetic resonance imaging in the detection and characterization of left atrial catheter ablation lesions: a multicenter experience. J Cardiovasc Electrophysiol. 2013;24:396–403. This study demonstrates that when examining CMR imaging taken post ablation, LGE scar imaging is not yet accurate enough to reliably identify ablation lesions or determine their distribution. This important study from two centres of excellence raises a note of caution in the interpretation of the growing body of work reporting increasingly accurate scar identification using CMR.CrossRefPubMed

Titel: Advances in CMR of Post-ablation Atrial Injury
verfasst von: James L. Harrison
John Whitaker
Henry Chubb
Steven E. Williams
Matthew Wright
Reza S. Razavi
Mark D. O’Neill
Publikationsdatum: 01.06.2015
Verlag: Springer US
Erschienen in: Current Cardiovascular Imaging Reports / Ausgabe 6/2015
Print ISSN: 1941-9066
Elektronische ISSN: 1941-9074
DOI: https://doi.org/10.1007/s12410-015-9336-y

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