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Assessment of cerebral circulation through an intact skull using imaging photoplethysmography

Journal: Scientific and Technical Journal of Information Technologies, Mechanics and Optics (Vol.21, No. 5)

Publication Date:

Authors : ;

Page : 795-800

Keywords : imaging photoplethysmography; infrared radiation; cerebral blood flow; apnea test; animal model;

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The feasibility of assessing the parameters of cerebral hemodynamics without skull trepanation using imaging photoplethysmography with illumination in the near-infrared spectrum range was demonstrated for the first time. The results were obtained when studying changes in blood flow in the rat brain in response to short-term respiratory failure (apnea test). Translation of the results into clinical practice will be useful for the development of a method for noninvasive assessment of cerebral blood flow in patients with cerebrovascular diseases.

Last modified: 2021-10-21 20:14:02