Table 2 Summary of echocardiographic findings.

Case	Arterial duct size (mm)	LA/aortic ratio	Subjective left heart volume loading	PFO or ASD present	LPA Doppler velocity after device deployment (m/s)
1	2	2	Yes	No	2.3
2	2.4	1.9	Yes	PFO	1.4
3	2	1.5	Yes	PFO	1.6
4	3.6	2.3	Yes	PFO	1.8
5	2.7	1.8	Yes	PFO	< 1
6	2.8	1.9	Yes	PFO	Surgical ligation
7	2	1	Yes	ASD	2.2
8	2.7	1.6	Yes	PFO	0.8
9	2.6	1.6	Yes	PFO	0.9
10	3	1.7	Yes	PFO	<1

PFO, patent foramen ovale; ASD, atrial septal defect.