Relationship between Epicardial Fat Accumulation and Left Atrial Reverse Remodeling after Catheter Ablation of Atrial Fibrillation
이정윤, 오유환, 김영훈, 심재민, 황성호,
소속 상세정보
이정윤 ( Lee Jeong-Yoon )
Korea University Anam Hospital Department of Radiology
오유환 ( Oh Yu-Whan )
Korea University Anam Hospital Department of Radiology
김영훈 ( Kim Young-Hoon )
Korea University Anam Hospital Department of Internal Medicine
심재민 ( Shim Jae-Min )
Korea University Anam Hospital Department of Internal Medicine
황성호 ( Hwang Sung-Ho )
Korea University Anam Hospital Department of Radiology
Abstract
Purpose: To demonstrate the relationship between epicardial fat accumulation and left atrial reverse remodeling by cardiac multi-detector CT (MDCT) after catheter ablation of atrial fibrillation (AF).
Materials and Methods: Seventy-six patients underwent cardiac MDCT before and after catheter ablation of AF. Left atrial volume (LAV) and epicardial fat volume (EFV) were measured. LAV and EFV before and after catheter ablation of AF were respectively compared and the change percentages (CPs) were evaluated.
Results: The LAV after catheter ablation of AF was significantly less than the baseline LAV (107.5 ± 50.2 mL vs. 144.9 ± 62.6 mL, p < 0.001). The EFV after catheter ablation of AF was significantly greater than the baseline EFV (105.0 ± 35.6 mL vs. 90.1 ± 31.9 mL, p < 0.001). Mean CPs of LAV and EFV were ?23.3% ± 20.8% and 15.9% ± 20.9%, respectively. There was a significantly negative relationship between the CPs of LAV and EFV (R = ?0.53, p < 0.001).
Conclusion: Catheter ablation of AF may result in a reduction in LAV and an increase in EFV. Left atrial reverse remodeling with a reduction in LAV may be associated with epicardial fat accumulation in patients who undergo catheter ablation of AF.
키워드
Atrial Fibrillation; Catheter Ablation; Left Atrium; Multidetector Computed Tomography
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