Table 2.
Major acute complications in ICM and NICM cohorts
| ICM (n = 29*) | NICM (n = 23*) | |||
|---|---|---|---|---|
| % Pooled complication rate (95% CI) | I2 statistic (%) | % Pooled complication rate (95% CI) | I2 statistic (%) | |
| Any major acute complications | 9.40 (8.07–10.73)+ | 90 | 7.14 (5.95–8.33)§ | 89 |
| Death | 0.92 (0.51–1.33)+ | 0 | 0.63 (0.26–1.00)§ | 0 |
| Any vascular access-related complications | 2.53 (1.92–3.14) | 60 | 1.16 (0.67–1.65) | 8 |
| Vascular access-related complications requiring intervention | 0.21 (0.03–0.39) | 0 | 0.23 (0.01–0.44) | 0 |
| Any pericardial effusion | 1.58 (1.08–2.07) | 31 | 1.27 (0.76–1.78) | 15 |
| Pericardial effusion requiring drainage | 0.67 (0.35–0.99) | 0 | 1.16 (0.67–1.65) | 6 |
| Need for cardiac surgery | 0.25 (0.05–0.45) | 0 | 0.39 (0.10–0.68) | 0 |
| Complete AV block | 0.54 (0.25–0.83) | 0 | 0.17 (0–0.36) | 0 |
| CVA or TIA | 0.46 (0.19–0.73) | 0 | 0.06 (0–0.17) | 0 |
| Cardiac perforation | 0.17 (0.01–0.34) | 0 | 0.28 (0.04–0.52) | 0 |
| Cardiogenic shock or severe pulmonary oedema | 0.42 (0.16–0.67) | 0 | 0.12 (0–0.27) | 0 |
| Lead displacement | 0.38 (0.14–0.62) | 0 | 0.01 (0–0.04) | 0 |
| Venous or arterial thromboembolism | 0.05 (0–0.13) | 0 | 0.44 (0.14–0.75) | 0 |
| MI | 0.09 (0–0.21) | 0 | 0.23 (0.01–0.44) | 0 |
| Other major bleeding | 0.13 (0–0.27) | 0 | 0.06 (0–0.17) | 0 |
| Infection requiring antibiotics | 0.09 (0–0.21) | 0 | 0.01 (0–0.04) | 0 |
| Phrenic nerve palsy | 0.05 (0–0.13) | 0 | 0.12 (0–0.27) | 0 |
| Pneumothorax or haemothorax | 0.13 (0–0.27) | 0 | 0.01 (0–0.04) | 0 |
*Unless otherwise stated
+n = 24
§n = 19
AV atrioventricular, CI confidence interval, CVA cerebrovascular accident, ICM ischaemic cardiomyopathy, MI myocardial infarction, NICM non-ischaemic cardiomyopathy, TIA transient ischaemic attack