Table 4.
Comparison of Demographic, Surgical, Electrophysiologic, Echocardiographic, and MRI Baseline Characteristics of PVR and Control Groups.
| PVR | Control | p | |
|---|---|---|---|
|
|
|
|
|
| Median Age at Review (y) | 25.5 (7.3-59.9) | 25.8 (7.2-60.8) | 0.98 |
| TOF Repair type (#, %) | 0.86 | ||
| TAP | 56 (72.7) | 54 (70.1) | |
| Conduit | 21 (27.3) | 23 (29.9) | |
| Decade of TOF repair (#, %) | 0.84 | ||
| 1950-1969 | 7 (9.1) | 5 (6.5) | |
| 1970-1979 | 23 (29.9) | 18 (23.4) | |
| 1980-1989 | 26 (33.8) | 31 (40.3) | |
| 1990-1999 | 21 (27.3) | 23 (29.9) | |
| Median Age at TOF repair (y) | 1.3 (0-27.1) | 2.9 (0-28.4) | 0.17 |
| Pre-PVR VT | 6 (7.8) | 7 (9.1) | 1.00 |
| Median QRSdur at PVR (msec) | 158 (86-224) | 148 (82-200) | 0.11 |
| Echo parameters (median) | |||
| LV dysfunction (n=68) | none | none | 0.13 |
| RV dysfunction (n=43) | mild | none | <0.001 |
| RV dilation (n=21) | moderate | moderate | 0.03 |
| MRI Parameters | |||
| RV EF % (n=33) | |||
| Mean | 46 (10) | 50 (8) | 0.04 |
| Median | 44 (20-67) | 52 (33-63) | |
| LV EF % (n=31) | |||
| Mean | 61 (9) | 59 (6) | 0.39 |
| Median | 62 (41-76) | 58 (44-71) | |
| RVEDVi (n=33) | |||
| Mean | 196 (76) | 132 (38) | <0.001 |
| Median | 194 (65-424) | 122 (75-232) |