Pulmonary vein anatomy variants as a biomarker of atrial fibrillation - CT angiography evaluation

BMC Cardiovascular Disorders
M SkowerskiK Mizia-Stec

Abstract

It has been suggested that changes in pulmonary veins (PV) and left atrium (LA) anatomy may have an influence on initiating atrial fibrillation (AF) and the effectiveness of pulmonary vein isolation (PVI) in patients (pts) with atrial fibrillation. The aim of the study was to assess anatomy abnormalities of the PV and LA in the patients with the history of AF and compare it with the control group(CG). The multi-slice tomography (MSCT) scans were performed in 224 AF pts. before PVI (129 males, mean age 59 ± 9 yrs). The CG consisted of 40 pts. without AF (26 males, age 45 ± 9 yrs). LA and PV anatomy were evaluated. Diameters of PV ostia were measured in two directions: anterior-posterior (AP) and superior-inferior (SI) automatically using Vitrea 4.0. Pulmonary veins anatomy variants were observed more frequently in the atrial fibrillation group - 83 pts. (37%) vs 6 pts. (15%) in CG; 9% (21 pts) left common ostia (CO), 2% (5 pts) right CO, 19% (42 pts) additional right PV (APV), (1.8%) 4 pts. APV left, 8% right early branching (EB) and 3.5% left EB. The LA diameter differed significantly in AF vs CG group (41.2 ± 6 mm vs 35 ± 4.2 mm, p < 0.0001) respectively. The anomalies of pulmonary vein anatomy occurred more often in pts. with...Continue Reading

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Citations

Nov 19, 2020·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Abhishek BoseDouglas Laidlaw
Feb 16, 2021·General Thoracic and Cardiovascular Surgery·Naoki MiyamotoAkira Tangoku
Apr 16, 2021·PLoS Computational Biology·Cristobal RoderoSteven A Niederer

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Software Mentioned

Vital Images
Statistica
Vitrea

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