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Non-invasive techniques for multimodal monitoring in Traumatic Brain Injury (TBI): systematic review and meta-analysis

Roldan, M., Abay, T. Y. & Kyriacou, P. A. ORCID: 0000-0002-2868-485X (2020). Non-invasive techniques for multimodal monitoring in Traumatic Brain Injury (TBI): systematic review and meta-analysis. Journal of Neurotrauma, 37(23), pp. 2445-2453. doi: 10.1089/neu.2020.7266

Abstract

Background: Monitoring brain oxygenation and intracranial pressure non-invasively and continuously would be of paramount importance in traumatic brain injury. This review collects the evidence published in the last decade on non-invasive monitoring of intracranial pressure and brain oxygenation in patients with traumatic brain injury. The primary motivation of this study was to identify and provide robust evidence of the most effective techniques for the non-invasive multimodal monitoring for traumatic brain injury.

Methods: Two reviewers independently searched PubMed, Embase, Scopus, Cochrane Library and Web of Science between January 15, 2010, and January 22, 2020. Cohort studies assessing correlation or accuracy of non-invasive techniques for ICP and/or brain oxygenation monitoring in TBI patients were included. Newcastle-Ottawa Scale was used to assess the methodological quality of the studies. PROSPERO registration ID is CRD42020164739.

Main findings: Eight out of the twelve studies selected focused on the non-invasive measurement of intracranial pressure. Near-Infrared Spectroscopy was the main technology for brain oxygenation, while ultrasound-based techniques were also used for intracranial pressure monitoring. PbtO2 monitoring through Near-Infrared Spectroscopy showed low correlation and limited accuracy in detecting hypoxic events. Most papers investigated severe traumatic brain injury, whereas no study used multimodal monitoring. A meta-analysis on non-invasive intracranial pressure monitoring revealed a strong pooled correlation coefficient of 0.725 (95% CI: 0.450 to 0.874; I2 91.31%) between Transcranial Doppler and the gold standard intracranial pressure monitoring.

Conclusion: The current meta-analysis has shown that the two most prominent and widely used technologies for non-invasive monitoring in traumatic brain injury are near-infrared spectroscopy and transcranial doppler. Both techniques could be considered for the future development of a single non-invasive and continue multimodal monitoring device for traumatic brain injury.

Publication Type: Article
Additional Information: Final publication is available from Mary Ann Liebert, Inc., publishers http://dx.doi.org/10.1089/neu.2020.7266
Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Departments: School of Science & Technology > Engineering
SWORD Depositor:
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