Preliminary study of diffuse correlation spectroscopy for longitudinal monitoring of aneurysmal subarachnoid hemorrhage in the neuro-intensive care unit

Minhee Kim; Bryce Carr; David Y. Chung; Joanna Yang; John Sunwoo; Jae Gwan Kim; Maria A. Franceschini; Stefan A. Carp

doi:10.1117/12.2668722

17 March 2023 Preliminary study of diffuse correlation spectroscopy for longitudinal monitoring of aneurysmal subarachnoid hemorrhage in the neuro-intensive care unit

Minhee Kim, Bryce Carr, David Y. Chung, Joanna Yang, John Sunwoo, Jae Gwan Kim, Maria A. Franceschini, Stefan A. Carp

Author Affiliations +

Proceedings Volume 12364, Clinical and Translational Neurophotonics 2023; 123640A (2023) https://doi.org/10.1117/12.2668722
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

We piloted long-term diffuse correlation spectroscopy (DCS) monitoring of cerebral blood flow in a patient with an aneurysmal subarachnoid hemorrhage. Measurements were conducted for 18 days. We also recorded blood pressure, ECG, and other clinical monitors as available. The blood flow index from 5, 25, and 30 mm separation channels showed a variety of responses depending on the patient condition and treatment. As an example, repeated doses of nimodipine were given for treatment purposes, resulting in level or increased cerebral blood flow despite a decrease in mean arterial blood pressure. There was correlation between the short-distance channel and heart rate.

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Minhee Kim, Bryce Carr, David Y. Chung, Joanna Yang, John Sunwoo, Jae Gwan Kim, Maria A. Franceschini, and Stefan A. Carp "Preliminary study of diffuse correlation spectroscopy for longitudinal monitoring of aneurysmal subarachnoid hemorrhage in the neuro-intensive care unit", Proc. SPIE 12364, Clinical and Translational Neurophotonics 2023, 123640A (17 March 2023); https://doi.org/10.1117/12.2668722

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