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Structural biomarkers in the cerebrospinal fluid within 24 h after a traumatic spinal cord injury: a descriptive analysis of 16 subjects.

Abstract：

STUDY DESIGN:Prospective cohort study. OBJECTIVES:To characterize the cerebrospinal fluid (CSF) concentrations of glial fibrillary acidic protein, neuron specific enolase (NSE), S-100β, tau and neurofilament heavy chain (NFH) within 24 h of an acute traumatic spinal cord injury (SCI), and to correlate these concentrations with the baseline severity of neurologic impairment as graded by the American Spinal Injury Association impairment scale (AIS). METHODS:A lumbar puncture was performed to obtain CSF from 16 acute traumatic SCI patients within 24 h post injury. Neurological examinations were performed within 24 h of injury and again at 6 or 12 months post injury. The correlations between the CSF concentrations and initial AIS were calculated by using Pearson correlation coefficients. In addition, an independent Student's t-test was used to test for differences in CSF concentrations between patients of different AIS grades. RESULTS:The CSF NSE concentrations were significantly correlated with the baseline neurologic impairment being either 'motor complete' (AIS A, B) or 'motor incomplete' (AIS C, D) (r=0.520, P<0.05). The mean S-100β concentration in motor complete patients was significantly higher compared with motor incomplete patients; 377.2 μg l(-1) (s.d.±523 μg l(-1)) vs 57.1 μg l(-1) (s.d.±56 μg l(-1)) (P<0.05), respectively. Lastly, the mean NFH concentration in motor complete patients was significantly higher compared with motor incomplete patient, 11 813 ng l(-1) (s.d.±16 195 ng l(-1)) vs 1446.8 ng l(-1) (s.d.±1533 ng l(-1)), (P<0.05), respectively. CONCLUSION:In this study we identified differences in the structural CSF biomarkers NSE, S-100β and NFH between motor complete and motor incomplete SCI patients. Our data showed no clear differences in any of the protein concentrations between the different AIS grades.

journal_name

Spinal Cord

journal_title

Spinal cord

authors

Pouw MH,Kwon BK,Verbeek MM,Vos PE,van Kampen A,Fisher CG,Street J,Paquette SJ,Dvorak MF,Boyd MC,Hosman AJ,van de Meent H

doi

10.1038/sc.2014.26

subject

Has Abstract

pub_date

2014-06-01 00:00:00

pages

428-33

issue

eissn

1362-4393

issn

1476-5624

pii

sc201426

journal_volume

pub_type

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Structural biomarkers in the cerebrospinal fluid within 24 h after a traumatic spinal cord injury: a descriptive analysis of 16 subjects.