| Suggested methods to prevent following complications |
| Contrast-induced nephropathy |
| Incidence: 7%-43% |
| Prehydration; lower dose of diuretics; lower dose of contrast, dilution of contrast |
| Pneumothorax |
| Incidence: 0.6%-1.0% |
| Extrathoracic puncture, echo-guided or contrast-guided venous puncture, axillary is preferred to subclavian; use of cephalic vein |
| Pericardial effusion |
| Incidence: 1.5% |
| Use of soft-tip guides and access tools |
| Hematoma |
| Incidence: 3%-6% |
| Avoid low molecular weight heparin periprocedurally |
| Phrenic nerve stimulation |
| Incidence: Up to 13% |
| Conscious sedation; no paralytic agents; identify all available coronary vein branches; use of multipolar leads (additional electrodes) |
| Lead-related complications |
| Incidence: 3.5%-18.7% |
| Appropriate training and adequate procedural volumes |
| Device infection |
| Incidence: 1.3%-2.6% |
| Appropriate antibiotic prophylaxis before skin incision; chlorhexidine skin preparation; limited shaving |