๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Coagulation disorders in cancer. III. Fibrinolysis and inhibitors

โœ Scribed by Bernadette C. F. Soong; Sherwood P. Miller


Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
738 KB
Volume
25
Category
Article
ISSN
0008-543X

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โœฆ Synopsis


I n a group of 100 unselected patients with disseminated malignancies, marked disturbances i n the coagulation and fibrinolytic systems were found. Mean silicone coagulation time was shortened, and fibrinogen levels were markedly elevated. Fibrinolysis activation, as manifested by plasma clot lysis, euglobulin lysis, or the presence of fibrin degradation products, was noted in 9 cases. Mean plasmhogen levels were normal. There was a significant elevation of urokinase inhibitor, but other inhibitors of fibrinolysis were normal.

HE ASSOCIATION BETWEEN MALIGNANT DIS-

T ease and thrombosis has long been recognized.35 In recent years, attention has also been drawn to the occurrence of hemorrhagic disorders in cancer.10. 31 There have been numerous attempts to elucidate the mechanism of this disturbance in hemostatic function.9~ 11. 17, 27. 28 Previous studies from this laboratory have demonstrated a profound disturbance in the coagulation system in cancer.19. 2O The outstanding features included a marked tendency to elevation of coagulation factor levels (especially Factors I, V, VIII, IX, and XI), with an associated shortening of the silicone coagulation time and recalcification time, and acceleration of thromboplastin generation.

It was also demonstrated that the fibrinolytic process had been activated in 6 of 50 patients. This was manifested by one or more of the following positive tests: whole blood clot lysis, plasma dilution clot lysis, euglobulin clot lysis, and positive immunologic test for fibrin degradation products (FDP). A close correlation in individual patients between elevated clotting factors and the occurrence of clinical abnormalities was not observed. It was, therefore, decided to study


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