Characteristic | No. (%) of patients* n = 100 |
---|---|
Age, yr, mean ± SD | 62.5 ± 11.8 |
Time since implant, yr, mean ± SD | 2.0 ± 2.3 |
Sex, female | 29 (29) |
Cardiovascular history | |
Ischemic heart disease | 55 (55) |
Nonischemic heart disease | 27 (27) |
Hypertrophic obstructive cardiomyopathy | 5 (5) |
Arrhythmogenic right ventricular cardiomyopathy | 1 (1) |
Atrial fibrillation or flutter | 14 (14) |
Stroke or transient ischemic attack | 3 (3) |
Valvular disease | 2 (2) |
Primary electrical disease | 4 (4) |
Medications | |
ACE inhibitor/ARB | 51 (51) |
Diuretic | 47 (47) |
Antiarrhythmic | 11 (11) |
Antiplatelet | 68 (68) |
Nitrates | 20 (20) |
Oral anticoagulant | 25 (25) |
Statin | 68 (68) |
β-Blocker | 88 (88) |
Calcium-channel blocker | 11 (11) |
Digoxin | 4 (4) |
Indication for ICD | |
Primary prevention | 55 (55) |
Secondary prevention | 45 (45) |
Cardiac resynchronization therapy device | 13 (13) |
No. of implanted leads (active and inactive) | |
1 | 52 (52) |
2 | 31 (31) |
3 | 15 (15) |
4 | 2 (2) |
Note: ACE = angiotensin-converting enzyme, ARB = angiotensin II receptor blocker, ICD = implantable cardioverter defibrillator, SD = standard deviation.
↵* Except where indicated otherwise.