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1 Department of Medicine and Clinical Investigation, Institut Jules Bordet,
Centre Anticancéreux de l’Université de Bruxelles, and the Department of Obstetrics and
Gynecology, Hopital Saint-Pierre, Brussels, Belgium.
1. The case is presented of a patient who underwent a cesarean section
during which cardiac arrest occurred. Cardiac massage was successful in reestablishing normal heart action. 2. A severe hemorrhagic diathesis associated with fibrinolysis appeared during the period of shock associated with cardiac arrest. 3. The plasma of the patient obtained during the period of fibrinolysis was
able to digest its own fibrin as well as a substrate of casein marked with
radioactive iodine. 4. A new method of measurement of fibrinolysis based on the use of tagged
casein is presented: the main advantage of this method is that the substrate
is not contaminated with plasminogen or plasmin. In addition the products
of the reaction are measured by their radioactivity. Therefore, the blank and
readings in this method depend solely upon the substrate and are not contributed to by the other reagents used. 5. The proteolytic activity of the plasma from a patient with fibrinolysis
was shown to be inhibited by the trypsin inhibitor from soy bean. 6. The intravenous injection of trypsin inhibitor in this patient was followed
by the disappearance of fibrinolysis in her blood.
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