ArticleNeurophotonics2024
All-optics technique for monitoring absolute cerebral blood flow: validation against magnetic resonance imaging perfusion.
Article in Neurophotonics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Toward comprehensive multimodal neuromonitoring of surrogates of cerebral autoregulation in traumatic brain injury: insights from a hyperventilation protocol.Neurophotonics · 2026Article
- Correlation between diffuse correlation spectroscopy and transcranial Doppler ultrasound in pediatric sickle cell disease.Biomedical optics express · 2026Article
- Reproducibility of a time-resolved NIRS, multidistance diffuse correlation spectroscopy system: towards noninvasive longitudinal neuromonitoring.Neurophotonics · 2026Article
- Noninvasive estimation of superficial layer thickness using multi-channel diffuse correlation spectroscopy.Biomedical optics express · 2025Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Significance: The ability to monitor cerebral blood flow (CBF) at the bedside is essential to managing critical-care patients with neurological emergencies. Diffuse correlation spectroscopy (DCS) is ideal because it is non-invasive, portable, and inexpensive. We investigated a near-infrared spectroscopy (NIRS) approach for converting DCS measurements into physiological units of blood flow. Aim: Using magnetic resonance imaging perfusion as a reference, we investigated the accuracy of absolute CBF measurements from a bolus-tracking NIRS method that used transient hypoxia as a flow tracer and hypercapnia-induced increases in CBF measured by DCS. Approach: Twelve participants (7 female, Results: Moderately strong correlations at baseline ( Conclusions: Results demonstrated the feasibility of an all-optics approach that can both quantify CBF and perform continuous perfusion monitoring.
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