This article provides a comprehensive review and analysis of the significance of intracranial pressure(ICP)monitoring,including the discovery of pressure reactivity index,its measurement methods,advantages,and limitations,as well as the derived parameters of pressure reactivity index and its mechanism in affecting patient prognosis.The methods used to determine pressure reactivity index are classified into invasive and non-invasive approaches.The pressure reactivity index can aid in evaluating patient outcomes,calculating optimal brain perfusion values,and enhancing the tolerance of damaged brains.Furthermore,its derived parameters also perform well in assessing the prognosis of patients with head injury.This article details the progress of pressure reactivity index in head injury.
head injuryintracranial pressure monitoringpressure reactivity indexcerebral perfusion pressure
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