[Importance of cerebrovascular reactivity testing in diabetes mellitus].

Diabetes mellitus results in macro- and microangiopathies. Early diagnosis and preventive treatment of the cerebral vessel complications may influence the prognosis of the disease. The aim of the present work is to summarize the recent results of the cerebral hemodynamic studies in diabetics. A suitable, non-invasive screening method for diagnosis of the altered cerebral arteriolar function is discussed.