Table 4

Echocardiography

Total small ASD (n=151)No tachyarrhythmia
(n=118)
Supraventricular tachycardia (n=24)P valueVentricular tachycardia (n=12)P value
Open ASD, n (%)30 (20)23 (19)4 (16)1.0003 (23)1.000
Indication for defect closure (dilatation of right heart chambers), n (%)10 (6.6)6 (5)3 (13)0.1781 (8)0.501
Septal aneurisms, n (%)18 (12)15 (13)2 (8)1.0001 (8)1.000
Ejection fraction (%)62.4±3.962.3±3.363.1±6.21.00062.8±3.31.000
LV area (cm2)31.3±5.931.4±6.431.4±3.20.97830.3±5.80.559
LA area (cm2)16.4±4.116.1±4.017.7±4.80.10015.9±3.50.853
RV area (cm2)15.8±6.115.5±5.317.0±9.50.32015.3±5.40.850
RA area (cm2)12.5±3.312.3±3.313.3±3.20.19612.9±3.50.601
RV/LV diastolic area, ratio0.7±0.090.68±0.080.72±0.070.0380.75±0.120.005
TR (mm Hg)16±5.215.8±5.318.7±4.50.07015.8±6.10.977
RV fractional area change (%)51.9±8.651.4±9.353.2±4.80.37252.8±7.50.690
TAPSE (mm)24.5±3.824.2±3.925.8±2.50.07824.6±4.80.801
TR (mm Hg)16±5.315.8±5.318.7±4.50.07915.8±6.10.978
VCI diameter expiration/inspiration (ratio)3.5±1.63.4±1.53.4±1.20.9853.9±2.40.290
  • ASD, atrial septal defects; LA, left atrium; LV, left ventricle; RA, right atrium; RV, right ventricle; TR, tricuspid regurgitation; VCI, vena cava inferior.