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One-stage method for assay of tissue factor activity of leukemic cell with special reference to disseminated intravascular coagulation. 1990

K Andoh, and H Sadakata, and T Uchiyama, and N Narahara, and H Tanaka, and N Kobayashi, and T Maekawa
Third Department of Internal Medicine, Gunma University School of Medicine, Maebashi, Japan.

Tissue factor activity (TFA) of leukemic cells (1 x 10(8) cells/mL) was measured in 44 patients with acute nonlymphoid leukemia (ANLL) by the one-stage assay using factor-IX deficient plasma (OSA-dIX) and two-stage assay (TSA). According to the preventative heparin dose schedule based on the TFA measured by the TSA, all disseminated intravascular coagulation (DIC) was controlled successfully. The procedure of the TSA was too complicated for clinical use, and its minimal measurable value was 125 units (U)/L of TFA. The OSA-dIX was simpler in its procedure and sensitive enough to measure accurately a TFA quantity as small as 30 U/L with high reproducibility. In 20 ANLL patients with 125 U/L or more of TFA measured by both assays, there was a significant relationship between their logarithms of TFA (r = 0.93, P less than 0.01). These results suggested that DIC complication in ANLL patients would be controlled successfully by the administration of heparin dosage based on the TFA measured by the OSA-dIX.

UI MeSH Term Description Entries
D007962 Leukocytes White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001777 Blood Coagulation The process of the interaction of BLOOD COAGULATION FACTORS that results in an insoluble FIBRIN clot. Blood Clotting,Coagulation, Blood,Blood Clottings,Clotting, Blood
D001780 Blood Coagulation Tests Laboratory tests for evaluating the individual's clotting mechanism. Coagulation Tests, Blood,Tests, Blood Coagulation,Blood Coagulation Test,Coagulation Test, Blood,Test, Blood Coagulation
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
D004211 Disseminated Intravascular Coagulation A disorder characterized by procoagulant substances entering the general circulation causing a systemic thrombotic process. The activation of the clotting mechanism may arise from any of a number of disorders. A majority of the patients manifest skin lesions, sometimes leading to PURPURA FULMINANS. Consumption Coagulopathy,Coagulation, Disseminated Intravascular,Disseminated Coagulation, Intravascular,Intravascular Coagulation, Disseminated,Intravascular Disseminated Coagulation,Coagulation, Intravascular Disseminated,Coagulations, Disseminated Intravascular,Coagulations, Intravascular Disseminated,Coagulopathies, Consumption,Coagulopathy, Consumption,Consumption Coagulopathies,Disseminated Coagulations, Intravascular,Disseminated Intravascular Coagulations,Intravascular Coagulations, Disseminated,Intravascular Disseminated Coagulations
D005164 Factor IX Storage-stable blood coagulation factor acting in the intrinsic pathway of blood coagulation. Its activated form, IXa, forms a complex with factor VIII and calcium on platelet factor 3 to activate factor X to Xa. Deficiency of factor IX results in HEMOPHILIA B (Christmas Disease). Autoprothrombin II,Christmas Factor,Coagulation Factor IX,Plasma Thromboplastin Component,Blood Coagulation Factor IX,Factor 9,Factor IX Complex,Factor IX Fraction,Factor Nine,Factor IX, Coagulation
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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