Characterization of cerebral macro- and microvascular hemodynamics during transient hypotension.
cerebral blood flow
cerebrovascular
diffuse correlation spectroscopy
lower body negative pressure
transcranial Doppler
Journal
Journal of applied physiology (Bethesda, Md. : 1985)
ISSN: 1522-1601
Titre abrégé: J Appl Physiol (1985)
Pays: United States
ID NLM: 8502536
Informations de publication
Date de publication:
01 10 2023
01 10 2023
Historique:
medline:
11
9
2023
pubmed:
10
8
2023
entrez:
10
8
2023
Statut:
ppublish
Résumé
The aim of the current study was to establish the interplay between blood flow patterns within a large cerebral artery and a downstream microvascular segment under conditions of transiently reduced mean arterial pressure (MAP). We report data from nine young, healthy participants (5 women; 26 ± 4 yr) acquired during a 15-s bout of sudden-onset lower body negative pressure (LBNP; -80 mmHg). Simultaneous changes in microvascular cerebral blood flow (CBF) and middle cerebral artery blood velocity (MCAv
Identifiants
pubmed: 37560766
doi: 10.1152/japplphysiol.00743.2022
pmc: PMC10642516
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
717-725Subventions
Organisme : CIHR
ID : 130391
Pays : Canada
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