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Routinely measured hematological markers can help to predict american spinal injury association impairment scale scores after spinal cord injury

Bernardo-Harrington, Gabriel Mateus, Cool, Paul, Hulme, Charlotte, Osman, Aheed, Chowdhury, Joy Roy, Kumar, Naveen, Budithi, Srinivasa and Wright, Karina 2021. Routinely measured hematological markers can help to predict american spinal injury association impairment scale scores after spinal cord injury. Journal of Neurotrauma 38 (3) , pp. 301-308. 10.1089/neu.2020.7144

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Abstract

Neurological outcomes following spinal cord injury (SCI) are currently difficult to predict. While the initial American Spinal Injury Association Impairment Scale (AIS) grade can give an estimate of outcome, the high remaining degree of uncertainty has stoked recent interest in biomarkers for SCI. This study aimed to assess the prognostic value of routinely measured blood biomarkers by developing prognostic models of AIS scores at discharge and 12 months post-injury. Routine blood and clinical data were collected from SCI patients (n = 417), and blood measures that had been assessed in less than 50% of patients were excluded. Outcome neurology was obtained from AIS and Spinal Cord Independence Measure III (SCIM-III) scores at discharge and 12 months post-injury, with motor (AIS) and sensory (AIS, touch and prick) abilities being assessed individually. Linear regression models with and without elastic net penalization were created for all outcome measures. Blood measures associated with liver function, such as alanine transaminase, were found to add value to predictions of SCIM-III at discharge and 12 months post-injury. Further, components of a total blood count, including hemoglobin, were found to add value to predictions of AIS motor and sensory scores at discharge and 12 months post-injury. These findings corroborate the results of our previous preliminary study and thus provide further evidence that routine blood measures can add prognostic value in SCI and that markers of liver function are of particular interest.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Additional Information: This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
Publisher: Mary Ann Liebert
ISSN: 1557-9042
Date of First Compliant Deposit: 3 December 2021
Last Modified: 03 Dec 2021 17:15
URI: https://orca.cardiff.ac.uk/id/eprint/145790

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