• HawrylukGregory W JGWJ0000-0002-5604-7057Section of Neurosurgery, University of Manitoba, GB1, 820 Sherbrook Street, Winnipeg, MB, R3A 1R9, Canada. ghawryluk@hsc.mb.ca., Giuseppe Citerio, Peter Hutchinson, Angelos Kolias, Geert Meyfroidt, Chiara Robba, Nino Stocchetti, and Randall Chesnut.
• Section of Neurosurgery, University of Manitoba, GB1, 820 Sherbrook Street, Winnipeg, MB, R3A 1R9, Canada. ghawryluk@hsc.mb.ca.
• Intensive Care Med. 2022 Oct 1; 48 (10): 147114811471-1481.

AbstractIntracranial pressure (ICP) monitoring is now viewed as integral to the clinical care of many life-threatening brain insults, such as severe traumatic brain injury, subarachnoid hemorrhage, and malignant stroke. It serves to warn of expanding intracranial mass lesions, to prevent or treat herniation events as well as pressure elevation which impedes nutrient delivery to the brain. It facilitates the calculation of cerebral perfusion pressure (CPP) and the estimation of cerebrovascular autoregulatory status. Despite advancements in our knowledge emanating from a half century of experience with this technology, important controversies remain related even to fundamental aspects of ICP measurements, including indications for monitoring, ICP treatment thresholds, and management of intracranial hypertension. Here, we review the history of ICP monitoring, the underlying pathophysiology as well as current perspectives on why, when and how ICP monitoring is best used. ICP is typically assessed invasively but a number of emerging, non-invasive technologies with inherently lower risk are showing promise. In selected cases, additional neuromonitoring can be used to assist in the interpretation of ICP monitoring information and adapt directed treatment accordingly. Additional efforts to expand the evidence base relevant to ICP monitoring, related technologies and management remain a high priority in neurosurgery and neurocritical care.© 2022. Springer-Verlag GmbH Germany, part of Springer Nature.

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