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Jason J. Chang, David Kepplinger, E. Jeffrey Metter, Daniel R. Felbaum, Jeffrey C. Mai, Rocco A. Armonda, Edward F. Aulisi
Background
Pressure reactivity index (PRx) utilizes moving correlation coefficients from intracranial pressure (ICP) and mean arterial pressures to evaluate cerebral autoregulation. We evaluated patients with poor-grade subarachnoid hemorrhage (SAH), identified their PRx trajectories over time, and identified threshold time points where PRx could be used for neuroprognostication.
