Echocardiographic findings
| PFO STAR (n = 50) | Amplatzer PFO occluder (n = 50) | p Value | |
|---|---|---|---|
| Values are mean (SD) or per cent. | |||
| EF, ejection fraction; PFO, patent foramen ovale. | |||
| Baseline | |||
| Atrial septal aneurysm (%) | 20 | 30 | NS |
| Degree of shunt | NS | ||
| Minimal (%) | 2 | 4 | |
| Moderate (%) | 20 | 18 | |
| Severe (%) | 78 | 78 | |
| Left atrial diameter (mm) | 36 (5) | 36 (5) | NS |
| Left ventricular EF (%) | 68 (5) | 67 (5) | NS |
| Follow up | |||
| Residual shunt at six months | 0.004 | ||
| Minimal (%) | 8 | 2 | |
| Moderate (%) | 10 | 4 | |
| Severe (%) | 16 | 0 | |