Table 1:
Baseline patient characteristics
| n = 242 | |
|---|---|
| Age (years) | 54.8 ± 0.65 |
| Male, n (%) | 104 (43.0) |
| BMI (kg/ | 27.2 ± 0.32 |
| NYHA class, n (%) | |
| NYHA I | 5 (2.1) |
| NYHA II | 70 (28.9) |
| NYHA III | 167 (69.0) |
| NYHA IV | 0 |
| AF type, n (%) | |
| Paroxysmal AF | 78 (32.2) |
| Persistent AF | 50 (20.7) |
| Longstanding AF | 114 (47.1) |
| AF duration (months) | 43.1 ± 3.72 |
| Permanent pacemaker, n (%) | 4 (1.6) |
| Aetiology, n (%) | |
| Rheumatic heart disease | 148 (61.2) |
| Degenerative disease | 90 (37.2) |
| Endocarditis | 4 (1.6) |
| Mitral valve lesion, n (%) | |
| Stenosis | 58 (24.0) |
| Insufficiency | 108 (44.6) |
| Mixed lesions | 76 (31.4) |
| Tricuspid valve pathology, n (%) | 124 (51.2) |
| Insufficiency ≥ moderate grade | 120 (49.6) |
| Mixed lesions or stenosis | 4 (1.6) |
| Echocardiography data | |
| Left atrium (cm) | 6.6 ± 0.05 |
| Right atrium (cm) | 5.8 ± 0.05 |
| Left ventricle ejection fraction (%) | 61.0 ± 0.62 |
| Systolic pulmonary artery pressure (mmHg) | 46,3 ± 0.75 |
| Comorbidity, n (%) | |
| Hypertension | 107 (44.2) |
| Thyroid disorders | 42 (17.4) |
| Diabetes mellitus | 11 (4.5) |
| Chronic obstructive pulmonary disease | 6 (2.5) |
Data are presented as means ± standard deviations, numbers (%).
AF: atrial fibrillation; BMI: body mass index; NYHA: New York Heart Association.