| Patients characteristics | Frequency | % |
| Sex |
| |
| Male | 3 | 50 |
| Female | 3 | 50 |
| Age (years) |
| |
| 5 - 20 | 2 | 33.3 |
| >20 | 4 | 66.7 |
| Mean age: | 22.5 ± 12 (range: 12 - 33) | |
| Weight (Kg) |
| |
| 10 - 30 | 2 | 33.3 |
| >30 | 4 | 66.7 |
| Mean weight: | 25.8 ± 10.9 (range: 15 - 62) | |
| Body surface area (m2) |
| |
| 0.5 - 1.0 m2 | 4 | 66.7 |
| 1.0 - 1.5 m2 | 2 | 33.3 |
| Mean body surface area: | 0.56 ± 0.5 m2 | |
| New York Heart Association class |
| |
| 2 | 6 | 100 |
| Diagnosis |
|
|
| - Congenital heart disease: | ||
| ASD (secundum = 2.5 mm) | 1 | 16.7 |
| - Acquired heart disease: |
| |
| Severe rheumatic mitral stenosis | 1 | 16.7 |
| Severe rheumatic mitral regurgitation + tricuspid insufficiency | 4 | 66.6 |