RELATION OF LEFT ATRIAL BODY AND LEFT ATRIAL …
RELATION OF LEFT ATRIAL BODY AND LEFT ATRIAL APPENDAGE VOLUMES WITH CLINICAL PATTERN OF AF
S. Verma1, E. Charaf2, N. Garg3
1Cardiology Consultants, Pensacola, FL, 2University of South Alabama, Mobile, AL, 3Yale University, New Haven, CT, USA
Introduction: The aim of this study is to assess the relationship of CT LA volume (LA-V) and Left atrialappendage volume (LAA-V) with different clinical patterns of atrial fibrillation (AF).
Methods: We retrospectively analyzed LA-V and LAA-V in pts referred for catheter ablation of AF at one center between April 2008-Oct 2009. The EnSite Verismo Segmentation software (St Jude Medical) was used to obtain chamber volumes from pre-ablation Cardiac Computed Tomography. AF pattern was classified using accepted terminology i.e. Paroxysmal AF (7 days) and chronic AF > 6 months. A linear regression analysis was used to assess the relationship between LA-V, LAA-V and LAA-V/LA-V % in each population of atrial fibrillation.
Results: 65 patients (mean age of 60.7 years, 40M and 25 F) were evaluated. 34 pts had PAF, 15 had Pers AF and 16 had Chronic AF. A statistically significant (p ................
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