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Cerebral metabolism is not affected by moderate hyperventilation in patients with traumatic brain injury.


ABSTRACT: BACKGROUND:Hyperventilation-induced hypocapnia (HV) reduces elevated intracranial pressure (ICP), a dangerous and potentially fatal complication of traumatic brain injury (TBI). HV decreases the arteriolar diameter of intracranial vessels, raising the risk of cerebral ischemia. The aim of this study was to characterize the effects of moderate short-term HV in patients with severe TBI by using concomitant monitoring of cerebral metabolism, brain tissue oxygen tension (PbrO2), and cerebral hemodynamics with transcranial color-coded duplex sonography (TCCD). METHODS:This prospective trial was conducted between May 2014 and May 2017 in the surgical intensive care unit (ICU) at the University Hospital of Zurich. Patients with nonpenetrating TBI older than 18 years of age with a Glasgow Coma Scale (GCS) score?

SUBMITTER: Brandi G 

PROVIDER: S-EPMC6375161 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature

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Cerebral metabolism is not affected by moderate hyperventilation in patients with traumatic brain injury.

Brandi Giovanna G   Stocchetti Nino N   Pagnamenta Alberto A   Stretti Federica F   Steiger Peter P   Klinzing Stephanie S  

Critical care (London, England) 20190213 1


<h4>Background</h4>Hyperventilation-induced hypocapnia (HV) reduces elevated intracranial pressure (ICP), a dangerous and potentially fatal complication of traumatic brain injury (TBI). HV decreases the arteriolar diameter of intracranial vessels, raising the risk of cerebral ischemia. The aim of this study was to characterize the effects of moderate short-term HV in patients with severe TBI by using concomitant monitoring of cerebral metabolism, brain tissue oxygen tension (PbrO<sub>2</sub>), a  ...[more]

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