Coagulation abnormalities following intensive plasma exchange on the cell separator. II. Effects on factors I, II, V, VII, VIII, IX, X and antithrombin III. 1981

A Chirnside, and S J Urbaniak, and C V Prowse, and A J Keller

The effects of intensive plasma exchange on the circulating levels of coagulation factors I, II, V, VII, VIII, IX, X and antithrombin III were determined. During courses of daily exchange marked cumulative reductions of coagulation factors may occur, particularly in the case of factors I, II and X, although usually remaining above the levels considered adequate for haemostasis. The extent of cumulative reduction and subsequent recovery differed for patients with different diseases. While antithrombin III levels were reduced during plasma exchange the results suggest that this may be partly due to consumption as well as physical removal. The very low incidence of haemorrhagic sequelae and absence of thrombotic events following plasma exchange at this Centre is explained by the maintenance of adequate levels of coagulation factors and of antithrombin III even during courses of daily plasma exchange.

UI MeSH Term Description Entries
D010951 Plasma Exchange Removal of plasma and replacement with various fluids, e.g., fresh frozen plasma, plasma protein fractions (PPF), albumin preparations, dextran solutions, saline. Used in treatment of autoimmune diseases, immune complex diseases, diseases of excess plasma factors, and other conditions. Exchange, Plasma,Exchanges, Plasma,Plasma Exchanges
D011516 Prothrombin A plasma protein that is the inactive precursor of thrombin. It is converted to thrombin by a prothrombin activator complex consisting of factor Xa, factor V, phospholipid, and calcium ions. Deficiency of prothrombin leads to hypoprothrombinemia. Coagulation Factor II,Factor II,Blood Coagulation Factor II,Differentiation Reversal Factor,Factor II, Coagulation,Factor, Differentiation Reversal,II, Coagulation Factor
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
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
D005165 Factor V Heat- and storage-labile plasma glycoprotein which accelerates the conversion of prothrombin to thrombin in blood coagulation. Factor V accomplishes this by forming a complex with factor Xa, phospholipid, and calcium (prothrombinase complex). Deficiency of factor V leads to Owren's disease. Coagulation Factor V,Proaccelerin,AC Globulin,Blood Coagulation Factor V,Factor 5,Factor Five,Factor Pi,Factor V, Coagulation
D005167 Factor VII Heat- and storage-stable plasma protein that is activated by tissue thromboplastin to form factor VIIa in the extrinsic pathway of blood coagulation. The activated form then catalyzes the activation of factor X to factor Xa. Coagulation Factor VII,Proconvertin,Stable Factor,Blood Coagulation Factor VII,Factor 7,Factor Seven,Factor VII, Coagulation
D005169 Factor VIII Factor VIII of blood coagulation. Antihemophilic factor that is part of the factor VIII/von Willebrand factor complex. Factor VIII is produced in the liver and acts in the intrinsic pathway of blood coagulation. It serves as a cofactor in factor X activation and this action is markedly enhanced by small amounts of thrombin. Coagulation Factor VIII,Factor VIII Clotting Antigen,Factor VIII Coagulant Antigen,Factor VIII Procoagulant Activity,Thromboplastinogen,Blood Coagulation Factor VIII,F VIII-C,Factor 8,Factor 8 C,Factor Eight,Factor VIIIC,Hyate-C,Hyatt-C,F VIII C,Hyate C,HyateC,Hyatt C,HyattC
D005170 Factor X Storage-stable glycoprotein blood coagulation factor that can be activated to factor Xa by both the intrinsic and extrinsic pathways. A deficiency of factor X, sometimes called Stuart-Prower factor deficiency, may lead to a systemic coagulation disorder. Autoprothrombin III,Coagulation Factor X,Stuart Factor,Stuart-Prower Factor,Blood Coagulation Factor X,Factor 10,Factor Ten,Stuart Prower Factor,Factor X, Coagulation
D005340 Fibrinogen Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products. Coagulation Factor I,Factor I,Blood Coagulation Factor I,gamma-Fibrinogen,Factor I, Coagulation,gamma Fibrinogen
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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