• H Touho, K Hirakawa, A Hino, J Karasawa, and Y Ohno.
• Neurosurgery. 1986 Oct 1; 19 (4): 523-31.

AbstractAbnormalities of coagulation and fibrinolysis in 12 head-injured patients were studied in early (within 24 hours of onset) and late (10th to 17th day after onset) stages. alpha 2 Plasmin inhibitor (alpha 2PI), antithrombin III (ATIII), and fibrinopeptide A (FPA) and B beta 15-42 (FPB beta) were measured in particular, in addition to the usual tests (platelet count (PLT), prothrombin time (PT), partial thromboplastin time, fibrinogen, and fibrin/fibrinogen degradation products (FDP)). alpha 2PI was abnormally lower, and FPA and FPB beta were much higher; fibrinogen and ATIII were moderately lower in the early stage than in the late stage in 6 head-injured patients with postoperative intracranial hemorrhage. alpha 2PI, ATIII, and fibrinogen were moderately lower and FPA was moderately higher in the early stage than in the late stage in 6 head-injured patients without postoperative intracranial hemorrhage. PLT and fibrinogen were lower, alpha 2PI was much lower, and FPA was much higher in the 6 patients with postoperative intracranial hemorrhage than in the 6 patients without postoperative intracranial hemorrhage. One patient with acute epidural and subdural hematomas had recurrent postoperative intracerebral hematoma twice. This recurrent hemorrhage was due to disseminated intravascular coagulation (DIC) caused by primary brain damage and was associated with extremely high FPA and FPB beta levels and abnormally low alpha 2PI and PLT. Fresh-frozen plasma and intravenous low-dose heparin were administered after the two recurrent hemorrhages, after which FPA and FPB beta normalized immediately, although other screening tests showed only gradual improvement.(ABSTRACT TRUNCATED AT 250 WORDS)

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