Table 2.
Cerebral blood flow velocities and breath-holding indices
| RCVS (N = 28) | Migraine (N = 28) | Healthy controls (N = 28) | p-value (adjusted p) | ||
|---|---|---|---|---|---|
| vs migrainea | vs HCa | ||||
| Mean flow velocities (cm/s) | |||||
| L MCA | 76.4 ± 28.56 | 64.2 ± 11.20 | 62.5 ± 10.47 | 0.059 | 0.032 |
| R MCA | 78.4 ± 28.05 | 65.9 ± 14.04 | 66.1 ± 10.32 | 0.046 | 0.041 |
| L PCA | 38.6 ± 10.75 | 36.5 ± 6.65 | 37.4 ± 6.58 | 0.410 | 0.617 |
| R PCA | 39.4 ± 11.29 | 36.8 ± 6.36 | 38.8 ± 7.14 | 0.341 | 0.906 |
| BA | 54 ± 13.61 | 46.7 ± 5.98 | 46.5 ± 10.65 | 0.016 | 0.034 |
| Breath-holding index | |||||
| L MCA | 0.8 ± 0.33 | 1.1 ± 0.34 | 1.2 ± 0.24 | 0.002 (0.004) | <0.001 (<0.001) |
| R MCA | 1.0 ± 0.36 | 1.3 ± 0.52 | 1.3 ± 0.39 | 0.038 (0.109) | 0.009 (0.033) |
| L PCA | 0.8 ± 0.42 | 1.0 ± 0.38 | 1.3 ± 0.43 | 0.069 (0.160) | <0.001 (<0.001) |
| R PCA | 1.0 ± 0.42 | 1.1 ± 0.34 | 1.3 ± 0.49 | 0.247 (0.375) | 0.028 (0.090) |
| BA | 0.9 ± 0.47 | 1.0 ± 0.42 | 1.1 ± 0.31 | 0.120 (0.178) | 0.060 (0.031) |
BA basilar artery, HC, healthy control, MCA middle cerebral artery, PCA posterior cerebral artery, RCVS reversible cerebral vasoconstriction syndrome
Values are presented as mean ± standard deviation. acompared with RCVS
Adjustment of flow velocities were performed to compare breath holding indices in each vessel