Table 1.
Demographics, clinical characteristics, index arrhythmias, and pacemaker (PM) therapy details.
| PM Explanted during the Last 12 Months | Current PM Therapy | ||||
|---|---|---|---|---|---|
| Variable | EPS (−) ECVS (+) N = 3 |
EPS (−) ECVS (−) N = 2 |
EPS (+) ECVS ND N = 1 |
EPS (−) ECVS (+) N = 14 |
|
| Age, median (IQR) | 38 (34–65) | 50 (40–60) | 39 | 38 (29–39) | |
| Male gender n (%) | 0 (0) | 2 (100) | 0 (0) | 11 (79) | |
| Duration of PM therapy (months) | 50 (2–204) | 151 (242) | 121 | 68.5 (16–120) | |
| Duration of PM untill discontinuation (months) | 85 (2–204) | NA | NA | 84 (40–156) | |
| The main indication for PPM | VVS cardioinhibitory | 10 (86) | |||
| AVB paroxysmalis | 1 (1) | 2 (7) | |||
| AVB persistent | 1 (50) | 1 (100) | |||
| SND | 2 (67) | 1 (50) | 2 (7) | ||
| Symptoms prior to PM therapy Syncope | 3 (100) | 12 (86) | |||
| Symptoms prior to PM therapy Presyncope | 3 (100) | 1 (50) | 1 (100) | 13 (93) | |
| Symptoms prior to PM therapy Fatigue | 2 (67) | 1 (50) | 1 (100) | 6 (43) | |
| Symptoms prior to PM therapy Palpitation | 2 (67) | 1 (50) | 4 (29) | ||
| PM mode | DDD 3 (100) | DDD 2 (100) | DDD 1 (100) | DDD 9 (64) VVI 2 (14) VVi epi 1 (7) VDD (1) AAI (1) |
|
AVB—atrioventricular bloc, SND—Sinus node dysfunction, VVS—vasovagal syncope, PM—pacemaker. Pacing mode DDD—dual chamber pacing, AAI—atrial demand pacing, VVI—ventricular demand pacing, VVI epi—epicardial ventricular demand pacing.