Research Article

Abnormal Cerebrovascular Reactivity in Patients with Parkinson’s Disease

Table 3

Cerebral hemodynamic data for PD patients and controls.

PDControls-Cohen

bFV (cm/s)46.41 ± 11.3854.42 ± 12.030.019
aBFV (cm/s)58.88 ± 12.9 75.15 ± 20.070.0015
%IBFV (%)27.45 ± 17.3137.94 ± 20.530.039
BHI0.96 ± 0.75 1.35 ± 0.740.04

Note: PD = Parkinson’s disease; bBFV = basal mean blood flow velocity (cm/s); aBFV = mean postapnea blood flow velocity (cm/s); %IBFV = percentage increase in mean velocity during breath-holding (%); BHI = breath-holding index.