Table 2

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 (%)2030NS
Degree of shuntNS
    Minimal (%)24
    Moderate (%)2018
    Severe (%)7878
Left atrial diameter (mm)36 (5)36 (5)NS
Left ventricular EF (%)68 (5)67 (5)NS
Follow up
Residual shunt at six months0.004
    Minimal (%)82
    Moderate (%)104
    Severe (%)160