Changes of atrial structure and function are the contributors of atrial fibrillation clinical course, complications and treatment effectiveness. Effects of inflammation and mechanical stretch on atrial structural remodeling leading to atrial fibrillation are reviewed in the article. Contemporary invasive and non-invasive methods of evaluation (including late gadolinium enhancement magnetic resonance imaging) of patients with atrial structural remodeling in atrial fibrillation are also described.
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http://dx.doi.org/10.18565/cardio.2014.11.57-64 | DOI Listing |
J Cardiol
January 2025
Department of Cardiology, St. Luke's University Health Network, Bethlehem, PA, USA. Electronic address:
Background: Hypertrophic cardiomyopathy (HCM) is a common genetic disease with estimated prevalence of 0.2-0.5 %.
View Article and Find Full Text PDFJ Cardiol
January 2025
Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan.
Background: Delirium is associated with patient prognosis after transcatheter aortic valve implantation (TAVI). However, the prognostic impact of subsyndromal delirium, described as an intermediate stage between delirium and normal cognition, is uncertain. The present study aimed to investigate the prognostic impact of delirium severity in patients undergoing TAVI.
View Article and Find Full Text PDFJ Cardiol
January 2025
Arrhythmia Diagnosis and Treatment Center, The First Affiliated Hospital of Ningbo University, Ningbo, China. Electronic address:
Background: Although the method of autocalibration or calibration based on catheter diameters was proposed for fluoroscopic measurement during percutaneous left atrial appendage occlusion (LAAO), it may be imprecise and lead to mismeasurement. We sought to investigate whether the utilization of the surface steel ball calibration (SSBC) method under fluoroscopy could facilitate the fluoroscopic measurement of the post-implanted WATCHMAN device (Boston Scientific Corporation, Natick, MA, USA) in LAAO.
Methods: This retrospective study included 97 consecutive patients who underwent percutaneous LAAO with the WATCHMAN device.
J Cardiovasc Electrophysiol
January 2025
McGill University Health Centre, Montreal, Canada.
Background: Electrographic flow (EGF) mapping allows for the visualization of global atrial wavefront propagations. One mechanism of initiation and maintenance of atrial fibrillation (AF) is stimulation from EGF-identified focal sources that serve as driver sites of fibrillatory conduction. Electrographic flow consistency (EGFC) further quantifies the concordance of observed wavefront patterns, indicating that a healthier substrate shows more organized wavefront propagation and higher EGFC.
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