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Procedural complications.
| Major complications | |
|---|---|
| Pericardial effusion requiring pericardiocentesis | 2 (0.9%) |
| Transient ischaemic attack or stroke | 2 (0.9%) |
| Vascular injury requiring blood transfusion or intervention | 1 (0.4%) |
| Aortic root perforation | 1 (0.4%) |
| Minor complications | |
| Haematoma | 4 (1.7%) |
| Temporary phrenic nerve injury | 6 (2.6%) |
