Prognostic value of near-infrared spectroscopy regional oxygen saturation and cerebrovascular reactivity index in acute traumatic neural injury: a CAnadian High-Resolution Traumatic Brain Injury (CAHR-TBI) Cohort Study.
Alwyn GomezLogan FroeseDonald E G GriesdaleEric Peter ThelinRobynne BraunLevi van IperenburgJeanette TasMarinus Johannes Hermanus AriesKevin Y SteinClare GallagherFrancis BernardAndreas H KramerFrederick Adam ZeilerPublished in: Critical care (London, England) (2024)
-based indices of CVR, COx and COx_a, were found to have a uniform grand mean threshold of 0.2 and exposure-based threshold of - 0.05, above which clinical outcomes markedly worsened. This study lays the groundwork to transition to less invasive means of continuously measuring CVR.