Abstract:The aim of this 12-month prospective study was to establish whether severe internal carotid artery stenosis is associated with faster progression of the cognitive impairment in patients with Alzheimer's disease (AD). Four hundred and eleven patients with AD underwent extracranial carotid Doppler ultrasound evaluation. Cerebrovascular reactivity to hypercapnia was measured by means of the breath-holding index (BHI) in those with severe carotid artery stenosis using transcranial Doppler ultrasonography. Cognitiv… Show more
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