TABLE 2.
Comparison of CTP values of surgical side before and after operation (mean ± SD).
| Pre-operation | Post-operation | t-value | P-value | |
| CBF (ml.100 g–1.min–1) | 49.260 ± 21.614 | 55.671 ± 17.193 | –2.337 | 0.023 |
| CBV (ml.100 g–1) | 3.595 ± 2.051 | 3.339 ± 0.923 | 0.941 | 0.351 |
| MTT (s) | 5.559 ± 1.225 | 4.381 ± 0.754 | 6.86 | < 0.001 |
| TTD (s) | 8.033 ± 2.524 | 5.523 ± 1.831 | 7.755 | < 0.001 |
| Tmax (s) | 5.263 ± 2.077 | 3.352 ± 1.513 | 7.293 | < 0.001 |
| FE(ml.100 g–1.min–1) | 2.035 ± 1.861 | 1.181 ± 1.209 | 2.902 | 0.005 |
| rCBF | 0.848 ± 0.246 | 0.986 ± 0.206 | –4.453 | < 0.001 |
| rCBV | 1.001 ± 0.227 | 0.987 ± 0.189 | 0.451 | 0.654 |
| rMTT | 1.305 ± 0.258 | 1.028 ± 0.190 | 7.507 | < 0.001 |
| rTTD | 1.739 ± 0.806 | 1.195 ± 0.519 | 5.840 | < 0.001 |
| rTmax | 2.215 ± 1.607 | 1.408 ± 0.904 | 4.372 | < 0.001 |
| rFE | 2.385 ± 2.622 | 1.194 ± 0.746 | 3.215 | 0.002 |
CBF, cerebral blood flow; CBV, cerebral blood volume; TTD, time to drain; MTT, mean transit time; Tmax, time to maximal plasma concentration; FE, flow extraction product.