• Journal of neurotrauma · Jul 2024

    Multicenter Study

    Visualization of the intracranial pressure and time burden in childhood brain trauma: What we have learnt one decade on with KidsBrainIT.

    • Bavo Kempen, Bart Depreitere, Ian Piper, Juan Sahuquillo, Mircea IenceanStefanSDepartment of Neurosurgery, GrT Popa University of Medicine and Pharmacy, Iasi, Romania., Krishnan KanthimathinathanHariHPediatric Intensive Care Unit, Birmingham Children's Hospital, Birmingham, United Kingdom., Julian Zipfel, Arta Barzdina, Stefano Pezzato, Patricia A Jones, and LoTsz-Yan MillyTMUsher Institute, University of Edinburgh, Edinburgh, United Kingdom.Pediatric Critical Care Unit, Royal Hospital for Children & Young People, Edinburgh, United Kingdom..
    • Department of Neurosciences, KU Leuven, Leuven, Belgium.
    • J. Neurotrauma. 2024 Jul 1; 41 (13-14): e1651e1659e1651-e1659.

    AbstractTo validate the intracranial pressure (ICP) dose-response visualization plot for the first time in a novel prospectively collected pediatric traumatic brain injury (pTBI) data set from the multi-center, multi-national KidsBrainIT consortium. Prospectively collected minute-by-minute ICP and mean arterial blood pressure time series of 104 pTBI patients were categorized in ICP intensity-duration episodes. These episodes were correlated with the 6-month Glasgow Outcome Score (GOS) and displayed in a color-coded ICP dose-response plot. The influence of cerebrovascular reactivity and cerebral perfusion pressure (CPP) were investigated. The generated ICP dose-response plot on the novel data set was similar to the previously published pediatric plot. This study confirmed that higher ICP episodes were tolerated for a shorter duration of time, with an approximately exponential decay curve delineating the positive and negative association zones. ICP above 20 mm Hg for any duration in time was associated with poor outcome in our patients. Cerebrovascular reactivity state did not influence their respective transition curves above 10 mm Hg ICP. CPP below 50 mm Hg was not tolerated, regardless of ICP and duration, and was associated with worse outcome. The ICP dose-response plot was reproduced in a novel and independent pTBI data set. ICP above 20 mm Hg and CPP below 50 mm Hg for any duration in time were associated with worse outcome. This highlighted a pressing need to reduce pediatric ICP therapeutic thresholds used at the bedside.

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