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Table 1 Comparison of hemodynamic variables

From: Patients with migraine with aura have increased flow mediated dilation

 

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)*,†

  1. * P < 0.05 vs. controls
  2. † P < 0.05 vs. MwoA
  3. §Mean of 3 measurements