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In-hospital mortality and risk factors in critically ill patients with hypertrophic cardiomyopathy.
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 PDFAF-FLOW Global Registry Confirms Validity of Electrographic Flow Mapping as a Phenotyping Tool for Atrial Fibrillation.
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.
View Article and Find Full Text PDFAn atrial septal defect (ASD) is a common congenital heart anomaly that results in irregular blood flow between the systemic and pulmonary circulations due to an opening in the atrial septum. Ostium secondum ASD accounts for a large proportion of these defects and often goes unnoticed during childhood and adolescence. Pulmonary hypertension (PH), affecting a significant number of patients with ostium secondum ASD, is associated with functional limitations, heart failure, and tachyarrhythmias.
View Article and Find Full Text PDFComparison of Cardiac Magnetic Resonance Imaging Findings and Prognostic Measures in Nondilated Cardiomyopathy and Dilated Cardiomyopathy.
Cardiol Res Pract
January 2025
Cardiovascular Research Center, Rajaie Cardiovascular Institute, Tehran, Iran.
Nondilated left ventricular cardiomyopathy (NDLVC) is a newly defined category of cardiomyopathy. We sought to evaluate and compare the phenotype of NDLVC with DCM using cardiac magnetic resonance (CMR) imaging and to investigate the prognostic significance of these conditions. One hundred and fifty patients suspected of having cardiomyopathy referred for CMR were recruited.
View Article and Find Full Text PDFFeasibility and efficacy of 50 W ablation with the TactiFlex catheter for the initial pulmonary vein isolation of atrial fibrillation.
J Arrhythm
February 2025
Department of Cardiology Saitama Medical University, International Medical Center Hidaka Japan.
Background: A novel contact force (CF) sensing catheter with a mesh-shaped irrigation tip (TactiFlexTM SE, Abbott), is expected to provide safe and effective radiofrequency ablation. Our previous study revealed that the TactiFlex catheter needs a higher power for pulmonary vein isolation (PVI) due to the long tip length. This study aimed to examine the feasibility and safety of a 50 W ablation with the TactiFlex for PVI of atrial fibrillation (AF).
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