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Primary degenerative dementia of the Alzheimer type and multiinfarct dementia exhibit differences in cerebrovascular blood flow velocity profiles, which were investigated by transcranial Doppler sonography. The pulsatility indices, as angle-independent parameters of peripheral vascular resistence, measured in middle cerebral and basilar arteries of patients with multiinfarct dementia were significantly increased (p < 0.005) compared with cases of primary degenerative dementia of the Alzheimer type and with healthy agematched controls.
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Received in revised form: December 14, 1988
Received: October 5, 1988
© 1989 Published by Elsevier Inc.