Table 3.
Factors related to development of cerebral hyperperfusion on postoperative SPECT in patients.
| Risk factor | Postoperative hyperperfusion |
Univariate analysis |
Multivariate analysis |
||
|---|---|---|---|---|---|
| Yes (n = 10) | No (n = 9) | p | p | 95% CI | |
| Age (years) | 46.1 ± 8.8 | 41.9 ± 7.8 | 0.1902 | 0.7302 | 0.62 to 1.80 |
| Male sex | 2 (20%) | 2 (22%) | >0.9999 | ||
| Hypertension | 2 (20%) | 2 (22%) | >0.9999 | ||
| Diabetes mellitus | 1 (10%) | 1 (11%) | >0.9999 | ||
| Dyslipidemia | 2 (20%) | 2 (22%) | >0.9999 | ||
| TIA alone before surgery | 7 (70%) | 7 (78%) | >0.9999 | ||
| Preoperative PET-CBF (ml/100 g/min) | 33.1 ± 3.2 | 35.0 ± 2.0 | 0.2358 | ||
| Preoperative PET-CBV (ml/100 g) | 5.46 ± 0.31 | 5.55 ± 0.29 | 0.4618 | ||
| Preoperative PET-CMRO2 (ml/100 g/min) | 3.27 ± 0.35 | 3.36 ± 0.17 | 0.2701 | ||
| Preoperative PET-OEF (%) | 55.5 ± 3.2 | 53.8 ± 1.3 | 0.4140 | ||
| Preoperative RCVRhypocap (%/mmHg) | −2.50 ± 1.08 | 1.13 ± 1.47 | 0.0003 | 0.1276 | 0.07 to 4.12 |
| Duration of intraoperative temporary occlusion | 30 ± 7 | 29 ± 5 | 0.7126 | ||
Values represent number and percentage, or mean ± SD.