Population 1 | ASD patients (n=49) |
Age (years) | 52±16 |
Female (%) | 59% (29) |
BMI | 26±4 |
Transthoracic echo parameters: | |
LVEF (%) | 62±8.5 |
Tricuspid valve regurgitation peak gradient (mm Hg) | 31±11 |
Catheterisation Qp/Qs | 2.05±0.70 |
Dye dilution Qp/Qs | 2.12±0.68 |
Population 2 | ASD patients (n=143) |
Age (years) | 46±16 |
Female (%) | 76% (109) |
BMI | 26±5 |
Indication for measurement | |
Shunt size | 85% (121) |
Stroke | 15% (22) |
Atrial fibrillation (%) | 11% (16) |
RBBB or partial RBBB (%) | 50% (72) |
Transthoracic echo parameters | |
LVEF (%) | 62±10 |
RV +RA area (cm2) | 47±12 |
Tricuspid valve regurgitation peak gradient (mmHg) | 30±9 |
Transoesophageal echo parameters: | |
ASD native size (mm) | 16±6 |
ASD invasive balloon measurement (mm) | 20±6 |
Dye dilution Qp/Qs | 2.16±0.65 |
CMR Qp/Qs | 1.87±0.40 |
Variables presented as mean±SD or percentage (absolute number of patients).
ASD, atrial septal defect; BMI, body mass index; CMR, cardiac MR; LVEF, left ventricular ejection fraction; Qp, pulmonary blood flow; Qs, systemic blood flow; RA, right atrium; RBBB, right bundle branch block; RV, right ventricle.