Research Article
Abnormal Cerebrovascular Reactivity in Patients with Parkinson’s Disease
Table 4
Cerebral hemodynamic data for PD patients with OH and controls.
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Note: PD = Parkinson’s disease; OH = orthostatic hypotension; 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. |