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17 March 2023 Non-invasive monitoring of cerebral hemodynamics using near-infrared spectroscopy and diffuse correlation spectroscopy during transcatheter aortic valve replacement surgery
Ailis Muldoon, Bryce Carr, Behzad Khajavi, Alyssa Martin, Mitchell Robinson, Julia Bertsch, Alexis Novak, Liza Parab, Ariel Mueller, Marissa Albanese, Jason Qu, Maria Angela Franceschini, Stefan A. Carp
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Proceedings Volume 12364, Clinical and Translational Neurophotonics 2023; 123640F (2023) https://doi.org/10.1117/12.2668694
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Transcatheter aortic valve replacement (TAVR) surgery has a risk of cognitive impairment and neurological injury. Currently, there are few options for non-invasively monitoring brain activity and perfusion, with electroencephalography, transcranial Doppler, and near-infrared spectroscopy (NIRS) all having significant drawbacks. By combining NIRS with diffuse correlation spectroscopy (DCS) we can obtain a more complete picture of cerebral hemodynamics during TAVR procedures and examine the link to neurological outcomes. We show examples of post-valve replacement hemodynamic changes that correspond with worse/better patient outcomes
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Ailis Muldoon, Bryce Carr, Behzad Khajavi, Alyssa Martin, Mitchell Robinson, Julia Bertsch, Alexis Novak, Liza Parab, Ariel Mueller, Marissa Albanese, Jason Qu, Maria Angela Franceschini, and Stefan A. Carp "Non-invasive monitoring of cerebral hemodynamics using near-infrared spectroscopy and diffuse correlation spectroscopy during transcatheter aortic valve replacement surgery", Proc. SPIE 12364, Clinical and Translational Neurophotonics 2023, 123640F (17 March 2023); https://doi.org/10.1117/12.2668694
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KEYWORDS
Near infrared spectroscopy
Hemodynamics
Surgery
Spectroscopy
Oxygen
Brain
Doppler effect
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