Table 1.
Comparison of hemodynamic variables
Controls Mean (95% CI) |
Migraine without aura Mean (95% CI) |
Migraine with aura Mean (95% CI) |
|
---|---|---|---|
Basal systolic blood flow velocity (cm.s-1) | 32.2 (25.9 - 38.4) |
27.0 (20.2 - 33.8) |
22.0 (16.2 - 27.8)* |
Post-ischemic flow velocity (cm.s-1) | 47.0 (41.2 - 52.7) |
41.3 (33.4 - 49.1) |
34.6 (24.8 - 44.3)* |
Baseline artery diameter (mm)§ | 2.74 (2.42 - 3.06) |
3.15 (2.76 - 3.53) |
3.13 (2.64 - 3.62) |
Shear rate (s-1) | 177.0 (148.9 - 205.1) |
134.6 (104.7 - 164.5) |
119.2 (71.5 - 167.0)* |
Flow mediated dilation (% of basal) | 15.5 (13.3 - 17.6) |
18.2 (14.1 - 22.3) |
31.0 (21.7 - 40.3)*,† |
* P < 0.05 vs. controls
† P < 0.05 vs. MwoA
§Mean of 3 measurements