Quantification of cerebral blood flow in adults by contrast-enhanced near-infrared spectroscopy: Validation against MRI.
Adult
Blood Flow Velocity
/ physiology
Brain
/ blood supply
Cerebrovascular Circulation
/ physiology
Contrast Media
/ administration & dosage
Female
Humans
Indocyanine Green
/ administration & dosage
Magnetic Resonance Imaging
/ methods
Male
Middle Aged
Perfusion
Reproducibility of Results
Sensitivity and Specificity
Spectroscopy, Near-Infrared
/ methods
Spin Labels
Young Adult
Arterial spin labeling
brain imaging
brain trauma
cerebral blood flow
near-infrared spectroscopy
Journal
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism
ISSN: 1559-7016
Titre abrégé: J Cereb Blood Flow Metab
Pays: United States
ID NLM: 8112566
Informations de publication
Date de publication:
08 2020
08 2020
Historique:
pubmed:
11
9
2019
medline:
2
3
2021
entrez:
11
9
2019
Statut:
ppublish
Résumé
The purpose of this study was to assess the accuracy of absolute cerebral blood flow (CBF) measurements obtained by dynamic contrast-enhanced (DCE) near-infrared spectroscopy (NIRS) using indocyanine green as a perfusion contrast agent. For validation, CBF was measured independently using the MRI perfusion method arterial spin labeling (ASL). Data were acquired at two sites and under two flow conditions (normocapnia and hypercapnia). Depth sensitivity was enhanced using time-resolved detection, which was demonstrated in a separate set of experiments using a tourniquet to temporally impede scalp blood flow. A strong correlation between CBF measurements from ASL and DCE-NIRS was observed (slope = 0.99 ± 0.08, y-intercept = -1.7 ± 7.4 mL/100 g/min, and
Identifiants
pubmed: 31500522
doi: 10.1177/0271678X19872564
pmc: PMC7370369
doi:
Substances chimiques
Contrast Media
0
Spin Labels
0
Indocyanine Green
IX6J1063HV
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1672-1684Subventions
Organisme : NIBIB NIH HHS
ID : P41 EB015893
Pays : United States
Organisme : NIA NIH HHS
ID : R03 AG063213
Pays : United States
Organisme : CIHR
ID : 130391
Pays : Canada
Organisme : NINDS NIH HHS
ID : R01 NS060653
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS082309
Pays : United States
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