investigations concerned with the pathogenesis of hypertensive encephalopathy have reported two opposing changes in cerebral hemodynamics during induced hypertension : ( 1 ) vasospasm or vasoconstriction of the leptomeningeal arteries and ( 2 ) increase of cerebral blood flow which has been termed `` '' breakthrough '' '' of the cerebral autoregulation .
C0151620
hypertensive encephalopathy
C0020538
hypertension