Quantification of dynamic cerebral autoregulation: welcome to the jungle

Purpose Patients with dysautonomia often experience symptoms such as dizziness, syncope, blurred vision and brain fog. Dynamic cerebral autoregulation, or the ability of the cerebrovasculature to react to transient changes in arterial blood pressure, could be associated with these symptoms. Methods...

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Bibliographic Details
Published in:Clinical autonomic research 2023-12, Vol.33 (6), p.791-810
Main Authors: Brassard, Patrice, Roy, Marc-Antoine, Burma, Joel S., Labrecque, Lawrence, Smirl, Jonathan D.
Format: Article
Language:English
Subjects:
Blood flow
Blood pressure
Cardiology
Cerebral blood flow
Diabetes
Dysautonomia
Endocrinology
Gastroenterology
Medicine
Medicine & Public Health
Neurology
Ophthalmology
Review Article
Syncope
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Summary:Purpose Patients with dysautonomia often experience symptoms such as dizziness, syncope, blurred vision and brain fog. Dynamic cerebral autoregulation, or the ability of the cerebrovasculature to react to transient changes in arterial blood pressure, could be associated with these symptoms. Methods In this narrative review, we go beyond the classical view of cerebral autoregulation to discuss dynamic cerebral autoregulation, focusing on recent advances pitfalls and future directions. Results Following some historical background, this narrative review provides a brief overview of the concept of cerebral autoregulation, with a focus on the quantification of dynamic cerebral autoregulation. We then discuss the main protocols and analytical approaches to assess dynamic cerebral autoregulation, including recent advances and important issues which need to be tackled. Conclusion The researcher or clinician new to this field needs an adequate comprehension of the toolbox they have to adequately assess, and interpret, the complex relationship between arterial blood pressure and cerebral blood flow in healthy individuals and clinical populations, including patients with autonomic disorders.
ISSN:0959-9851
1619-1560
DOI:10.1007/s10286-023-00986-2