Table 1.
Patient Characteristics
| Total | |
|---|---|
| Number of patients | 253 |
| Age, y | 66±11 (21–84) |
| Male | 186 (74) |
| BSA | 2.0±0.2 (1.5–2.8) |
| Underlying heart disease | N (%) |
| IHD | 132 (52) |
| VHD | 68 (27) |
| I/VHD | 53 (21) |
| Valvular heart disease | 121 (48) |
| Aortic valve stenosis | 68 (27) |
| Mild | 2 (1) |
| Moderate | 14 (5) |
| Severe | 52 (21) |
| Aortic valve insufficiency | 9 (4) |
| Mild | 1 (1) |
| Moderate | 5 (2) |
| Severe | 3 (1) |
| Mitral valve insufficiency | 44 (17) |
| Moderate | 14 (5) |
| Severe | 30 (12) |
| Left atrial dilation | 53 (21) |
| History of AF | 43 (17) |
| Paroxysmal | 33 (13) |
| Persistent | 9 (4) |
| Longstanding persistent | 1 (1) |
| Left ventricular function | |
| Normal | 188 (74) |
| Mild dysfunction | 46 (18) |
| Moderate dysfunction | 17 (7) |
| Severe dysfunction | 2 (1) |
| Antiarrhythmic drugs | 175 (69) |
| Class I | 1 (1) |
| Class II | 165 (65) |
| Class III | 8 (3) |
| Class IV | 2 (1) |
AF indicates atrial fibrillation; BSA, body surface area; I/VHD, ischemic and valvular heart disease; IHD, ischemic heart disease; VHD, valvular heart disease.