Acta Neurochirurgica

, Volume 115, Issue 3–4, pp 106–111 | Cite as

Increased serum creatine kinase BB and neuron specific enolase following head injury indicates brain damage

  • I. M. Skogseid
  • H. K. Nordby
  • P. Urdal
  • E. Paus
  • F. Lilleaas
Clinical Research


The aim of this study was to examine whether an increase in the serum concentrations of the two brain enzymes creatine kinase BB (CK-BB) and neuron specific enolase (NSE) can be demonstrated in patiens with acute head injury and whether such an increase reflects release from damaged brain tissue. In 60 patients who had suffered minor to severe head injury, serial blood samples were drawn during the first hours after impact, and CK-BB and NSE were measured by radio-immuno-assay. Computed tomography (CT) was also performed shortly after admission to hospital, and was repeated 1–3 days later in selected patients.

Increased serum concentrations of both CK-BB and NSE were found in 88% of the patients with moderate to severe head injury (group 1, n=18) and in 23% of the patients with minor head injury (group 2, n=42), whereas CT showed contusion in only 41% and 2% of the group 1 and 2 patients, respectively. The following findings suggest that the enzymes had been released from brain tissue:

  1. 1)

    The maximum concentrations of CK-BB and NSE correlated with the severity of injury as assessed clinically and with the volume of contusion as estimated from CT (r=0.79 with CK-BB, r=0.72 with NSE).

  2. 2)

    The maximum concentrations of CK-BB and NSE were closely correlated (r=0.87).

  3. 3)

    The ratio between CK-BB and NSE was approximately the same in a subgroup of 10 patients with multiple trauma as in the group as a whole (median 2.2 versus 2.0).


Measurements of the serum concentrations of CK-BB and NSE in patients with acute head trauma, therefore, appears to provide information about the presence and, to some degree, extent of the resulting brain injury. Further studies are required to reveal the value of such measurements in the management of patients with acute head trauma.


Creatine kinase BB neuron specific enolase computed tomography traumatic damage 


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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • I. M. Skogseid
    • 1
  • H. K. Nordby
    • 1
  • P. Urdal
    • 2
  • E. Paus
    • 4
  • F. Lilleaas
    • 3
  1. 1.Department of NeurosurgeryUllevål HospitalNorway
  2. 2.Department of Clinical ChemistryUllevål HospitalNorway
  3. 3.Department of NeuroradiologyUllevål HospitalNorway
  4. 4.Central LaboratoryThe Norwegian Radium HospitalOsloNorway

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