[In-vitro experiments on the clarification of the fibrinolytic activity in normal cerebrospinal fluid]

A direct and indirect detection of plasmin in native CSF was not possible by the thrombelastographic and hot fibrin agar plate method and by electroimmunodiffusion analysis using Laurell's method of fibrin degradation product determination, respectively. The same method was used to determine concentrations of plasminogen and fibrinogen. The CSF, which were retrospectively judged to be normal, neither showed plasmin activity nor exhibited plasminogen and fibrinogen concentrations. Therefore, the liqour possesses only a plasminogen activator protein and does not represent a fibrinolytically active CSF.