Table 2 . Echocardiographic parameters in patients with mechanical pulmonary valve prosthesis (n=38) .
| Count (%) | |
| Prosthesis Insufficiency | |
| No | 28 (74%) |
| Mild | 2 (5%) |
| Moderate | 6 (16%) |
| Moderate to Severe | 2 (5%) |
| Increased Peak Pressure Gradient | |
| Mild (<36 mmHg) | 29 (76%) |
| Moderate (36–64 mmHg) | 6 (16%) |
| Severe (>64 mmHg) | 3 (8%) |
| Size of Right Ventricle | |
| Normal | 4 (11%) |
| Mild Enlargement | 7 (18%) |
| Moderate Enlargement | 10 (26%) |
| Severe Enlargement | 17 (45%) |
| Right Ventricular Dysfunction | |
| Mild | 9 (24%) |
| Moderate | 17 (45%) |
| Severe | 12 (32%) |