Cortical (cerebral) oxygen saturation

Definition: Cortical oxygen saturation is the regional cortical hemoglobin saturation, measured by cerebral tissue oximeters based on near infrared spectroscopy methods, in the small vessels (<1 mm in diameter) of the cerebral cortex such as the capillary, arteriolar and venular bed.

Category: Neuroscience

Related terms: Regional cerebral tissue hemoglobin oxygen saturation. Regional cerebral (oxygen) saturation. Brain oxygen saturation. Cerebral oxygenation

Abbreviation or symbol: ScO2

Synonym: StO2, rSO2, SctO2, or rStO2

References: https://doi.org/10.1053/j.jvca.2021.07.015

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