Baseline features
| Med (n=18) | HBA (n=18) | |
| Age (years) | 69 (7) | 68 (8) |
| Sex (male/female) | 11/7 | 11/7 |
| Duration AF (years) | 3.5 (3.8) | 3.8 (4.0) |
| Aetiology AF | ||
| Mitral valve disease | 5 | 7 |
| Ischaemia | 5 | 5 |
| Hypertension | 1 | 1 |
| Idiopathic | 7 | 5 |
| Medication | ||
| ACE inhibitors | 7 | 7 |
| Diuretics | 10 | 8 |
| Warfarin | 11 | 14 |
| Aspirin | 4 | 2 |
| Nodal modifying drugs | ||
| Digoxin | 14 | 13 |
| β Blockers | 2 | 1 |
| Verapamil | 2 | 2 |
| Diltiazem | 1 | 1 |
| Nil | 4 | 4 |
| Echocardiogram | ||
| Systolic diameter (mm) | 34 (6) | 37 (7) |
| Diastolic diameter (mm) | 49 (7) | 51 (8) |
| Ejection fraction (%) | 67 (9) | 61 (9) |
| Left atrial size (mm) | 47 (7) | 47 (8) |
This shows both groups are matched. Results shown are mean (SD).
ACE, angiotensin converting enzyme.