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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)
DOI: https://doi.org/10.15407/fz

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2005; 51(6): 49-57

Assessment of the cerebrovascularreserve in humans

A.N. Volyansky.

    Main Military Clinical Hospital, Kyiv, Ukraine



Abstract

A new approach of assessment of cerebrovascular reserve in healthy human is proposed. Twenty-two healthy men volun- teers aged 25-43 were examined. Investigation of cerebral blood circulation in each of them was implemented for the six times with one-week interval. The cerebral blood flow was measured by use of Doppler ultrasound. Blood flow velocity in the middle cerebral artery and homolateral internal jugular vein and pulsative index in this artery were considered as basic structural elements of cerebral blood circulation in this work. Breath-holding, hyperventilation and stress tests served as functional tests. It was shown that degree of basic parameters synchronization in a system cerebral blood circulation under the influence of functional load determine his cerebrovascular reserve. This method of cerebrovascular reserve estimation could be used for determination of psychophysical readiness of separate human to professional occupation.

Full text: (PDF, in Ukrainian)

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