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 |