Microvascular dysfunction and neurovascular uncoupling are exacerbated in peripheral artery disease, increasing the risk of cognitive decline in older adults.
cognitive impairment
microvascular endothelial dysfunction
neurovascular coupling
peripheral artery disease
Journal
American journal of physiology. Heart and circulatory physiology
ISSN: 1522-1539
Titre abrégé: Am J Physiol Heart Circ Physiol
Pays: United States
ID NLM: 100901228
Informations de publication
Date de publication:
01 06 2022
01 06 2022
Historique:
pubmed:
26
3
2022
medline:
27
4
2022
entrez:
25
3
2022
Statut:
ppublish
Résumé
Peripheral artery disease (PAD) is a vascular pathology with high prevalence among the aging population. PAD is associated with decreased cognitive performance, but the underlying mechanisms remain obscure. Normal brain function critically depends on an adequate adjustment of cerebral blood supply to match the needs of active brain regions via neurovascular coupling (NVC). NVC responses depend on healthy microvascular endothelial function. PAD is associated with significant endothelial dysfunction in peripheral arteries, but its effect on NVC responses has not been investigated. This study was designed to test the hypothesis that NVC and peripheral microvascular endothelial function are impaired in PAD. We enrolled 11 symptomatic patients with PAD and 11 age- and sex-matched controls. Participants were evaluated for cognitive performance using the Cambridge Neuropsychological Test Automated Battery and functional near-infrared spectroscopy to assess NVC responses during the cognitive
Identifiants
pubmed: 35333116
doi: 10.1152/ajpheart.00616.2021
pmc: PMC9037702
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
H924-H935Subventions
Organisme : NIA NIH HHS
ID : K01 AG073613
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG055395
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA255840
Pays : United States
Organisme : NIA NIH HHS
ID : RF1 AG072295
Pays : United States
Organisme : NIGMS NIH HHS
ID : U54 GM104938
Pays : United States
Organisme : NIGMS NIH HHS
ID : P20 GM103447
Pays : United States
Organisme : NIA NIH HHS
ID : T32 AG052363
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG068295
Pays : United States
Organisme : NIA NIH HHS
ID : K01 AG073614
Pays : United States
Organisme : NIGMS NIH HHS
ID : P20 GM125528
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS100782
Pays : United States
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