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Progression of pulmonary regurgitation.
| Pulmonary regurgitation | 24 hrs | 7 days | 1 month | 6 months | ||||
|---|---|---|---|---|---|---|---|---|
| PTFEV | TAP | PTFEV | TAP | PTFEV | TAP | PTFEV | TAP | |
| Absent | 5 | 0 | 6 | 0 | 6 | 0 | 6 | 0 |
| Trivial | 3 | 0 | 2 | 0 | 1 | 0 | 1 | 0 |
| Mild | 7 | 0 | 7 | 0 | 8 | 0 | 8 | 0 |
| Severe | 0 | 15 | 0 | 15 | 0 | 15 | 0 | 15 |
PTFEV=polytetrafluoroethylene valve; TAP=transannular patch.
