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4.
Eur Surg Res ; 8(3): 204-10, 1976.
Article in English | MEDLINE | ID: mdl-947758

ABSTRACT

The effect of transfusions of 500 ml of 5-6% stroma-free haemoglobin solutions on the blood-clotting system of dogs was studied. Slight lowering of the fibrinogen level and of the activity of clotting factors V, VII, VIII, IX and X was observed, together with some prolongation of the thrombin time. In vitro investigations indicate that prolongation of the thrombin time may depend on disturbed polymerization of fibrin monomers. After transfusion of stroma-free haemoglobin preparation, no signs of haemorrhagic diathesis were observed.


Subject(s)
Blood Coagulation , Hemoglobins , Plasma Substitutes , Animals , Blood Transfusion , Dogs , Factor IX/analysis , Factor V/analysis , Factor VII/analysis , Factor VIII/analysis , Factor X/analysis , Fibrin Fibrinogen Degradation Products/blood , Fibrinogen/analysis , Hemorrhagic Disorders , Prothrombin Time , Time Factors
6.
Article in English | MEDLINE | ID: mdl-54310

ABSTRACT

Starting from a plasma used for producing cryoprecipitate a concentrate was gained by means of adsorption on DEAE cellulose, the factor IX activity of which was six to thirteen times higher than that of the original plasma. Even the factors X and II are enriched to the same extent approximately. In patients with haemophilia B the concentrate proved to be very efficient and compatible during surgical operations.


Subject(s)
Factor IX/isolation & purification , Factor X/isolation & purification , Prothrombin/isolation & purification , Blood Coagulation Factors/therapeutic use , Chromatography, DEAE-Cellulose/methods , Hemophilia B/therapy , Humans , Methods , Thrombin/analysis , Thromboplastin/analysis
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