Cerebral blood flow monitoring in subarachnoid hemorrhage patients with diffuse correlation spectroscopy

Eashani Sathialingam; Kyle R. Cowdrick; Amanda Liew; Seung Yup Lee; Feras Akbik; Owen B. Samuels; Prem A. Kandiah; Ofer Sadan; Erin M. Buckley

doi:10.1117/12.2578634

5 March 2021 Cerebral blood flow monitoring in subarachnoid hemorrhage patients with diffuse correlation spectroscopy

Eashani Sathialingam, Kyle R. Cowdrick, Amanda Liew, Seung Yup Lee, Feras Akbik, Owen B. Samuels, Prem A. Kandiah, Ofer Sadan, Erin M. Buckley

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Proceedings Volume 11629, Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics; 116291C (2021) https://doi.org/10.1117/12.2578634
Event: SPIE BiOS, 2021, Online Only

Abstract

Subarachnoid hemorrhage (SAH) is a neurosurgical emergency that results from the rupture of an aneurysm in the subarachnoid space. One common complication of SAH is cerebral vasospasm, which can lead to a secondary stroke. Intrathecal (IT) Nicardipine holds promise in treating cerebral vasospasm through its direct vasodilatory effect on the cerebral vasculature. Here, we used diffuse correlation spectroscopy to continuously monitor microvascular cerebral blood flow changes in medium-high grade subarachnoid hemorrhage patients in response to the first dose of IT Nicardipine. To date, we have recruited 9 patients, 3 of whom developed a secondary stroke.

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Eashani Sathialingam, Kyle R. Cowdrick, Amanda Liew, Seung Yup Lee, Feras Akbik, Owen B. Samuels, Prem A. Kandiah, Ofer Sadan, and Erin M. Buckley "Cerebral blood flow monitoring in subarachnoid hemorrhage patients with diffuse correlation spectroscopy", Proc. SPIE 11629, Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics, 116291C (5 March 2021); https://doi.org/10.1117/12.2578634

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KEYWORDS

Cerebral blood flow

Spectroscopy

Information technology

Blood circulation

Blood vessels

Brain

Calcium

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