• Y Takanashi, M Shinonaga, E Koh, M Naitoh, and I Yamamoto.
• Division of Neurosurgery, Hiratsuka Kyosai Hospital, Kanagawa, Japan.
• No To Shinkei. 1996 Nov 1; 48 (11): 1009-13.

AbstractTo identify early prognostic value of brain injury, a comparison was made between computerized tomography (CT) findings, coagulation abnormalities, and clinical features in 51 patients with closed head injury. The patients were divided into three groups according to their plasma level of fibrin-fibrinogen degradation product (FDP): normal group (FDP 10 micrograms/ml or less) in 20 patients; moderately abnormal group (FDP 10-40 micrograms/ml) in 15 patients; and highly abnormal group (FDP 40 micrograms/ ml or more) in 16 patients. Cases with a fatal clinical course were mostly associated with very high FDP level. Mortality rate in the highly abnormal group was 44% and 7% in the moderately abnormal group were dead cases, while no cases in the normal group turned out poor outcome. Injury severity, as assessed by Glasgow Coma Scale (GCS) score, correlated with the increase of plasma FDP level. Although severe head injury (GCS 8 or less) was found in 44% of the highly abnormal group and 13% of the moderately abnormal group, normal group only had one case (5%). Very high FDP concentrations were found to be associated with combined hemorrhagic lesions and mass effect on CT scan, but not with a specific localization of brain damage. In summary, the evaluation of coagulation and fibrinolytic function in patients following closed head injury might have both diagnostic and prognostic value.

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