Transcranial Doppler is valid for determination of the lower limit of cerebral blood flow autoregulation.

Abstract

BACKGROUND AND PURPOSE This study validates transcranial Doppler sonography (TCD) for determination of the lower limit of cerebral blood flow (CBF) autoregulation and establishes a relation between global CBF and mean flow velocity (Vmean) in the middle cerebral artery. METHODS Relative changes in CBF and in Vmean were compared in 12 normal volunteers (2… (More)

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