Pattern of changes in central and cerebral hemodynamics in the basilar artery during active orthostasis in healthy individuals.

Abstract:

:We studied changes in cerebral and central hemodynamics during active orthostatic load in 26 healthy men aging 20-26 years. Two types of central hemodynamics were revealed: progressive increase in blood pressure throughout the test (type 1) or initial blood pressure increase followed by its decrease with maximum increase in diastolic blood pressure (type 2). The reactions of cerebral hemodynamics to active orthostasis in healthy individuals manifested in reduced cerebral blood flow in the basilar artery. The decrease in blood flow rate in the basilar artery during active orthostasis was associated with vasoconstriction of pial vessels of the vertebrobasilar basin and with the increase in respiratory volume.

journal_name

Bull Exp Biol Med

authors

Zabolotskikh NV

doi

10.1007/s10517-008-0146-y

subject

Has Abstract

pub_date

2008-05-01 00:00:00

pages

556-9

issue

5

eissn

0007-4888

issn

1573-8221

pii

doi

journal_volume

145

pub_type

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