Table 1 Anatomical and baseline characteristics of patients with PFO.

From: Relation between anatomical features of patent foramen ovale and residual shunt based on transesophageal echocardiography

Variables

N (%) / M ± SD

Total

92

Female

71 (77%)

Age (years)

40.5 ± 14.8

Clinical symptoms

Stroke

24 (26%)

Migraine

41 (45%)

Migraine and stroke

27 (29%)

PFO anatomical features

Size of right atrial opening (mm)

2.6 ± 1.6

Size of left atrial opening (mm)

1.1 ± 1.7

Tunnel length (mm)

8.23 ± 4.0

Secondary septal thickness (mm)

6.3 ± 1.5

Comorbid ASA

2 (2%)

Eustachian valve

4 (4%)

Chiari network

0 (0%)

Comorbid small atrial septal defect

0 (0%)

Right-to-left shunt at rest

15 (16%)

Shunt grade under Valsalva maneuver

Extra large

52 (57%)

Large

40 (43%)

  1. PFO, Patent foramen ovale; ASA, atrial septal aneurysm.