[Determination of the prothrombin time and of the activated cephalin time wit semi-automatic Electra 600 apparatus (author's transl)]. 1981

C Cazalet, and P Jaffray, and D Raichvarg, and Y Bonnaire, and M Guest

This work studies the quality of the response of the Electra 600 for the determination of the prothrombin time (PT) and the activated cephalin time (ACT). The intra-serial precision was good for the PT and the ACT with normal or pathological plasmas (CV 2%). The precision was excellent for the PT (r = 0.98; Electra 600-fibrometer). The correlation coefficient varies between 0.85 and 0.95 for the ACT depending on the nature of the activator chosen. Lactescent plasmas having a protein concentration greater than 85 g/l should be treated manually for measurement of the PT. No interference was noted with other biological substances: eg glucose, bilirubin, hemoglobin. The increasing addition of heparin indicates a correct sensitivity of the response with Electra 600 both for short and long ACT. Autoanalysis renders the determinations of PT and ACT independant of the manipulator, that of the PT being much more rapid than with the manual method

UI MeSH Term Description Entries
D010314 Partial Thromboplastin Time The time required for the appearance of FIBRIN strands following the mixing of PLASMA with phospholipid platelet substitute (e.g., crude cephalins, soybean phosphatides). It is a test of the intrinsic pathway (factors VIII, IX, XI, and XII) and the common pathway (fibrinogen, prothrombin, factors V and X) of BLOOD COAGULATION. It is used as a screening test and to monitor HEPARIN therapy. Activated Partial Thromboplastin Time,Cephalin-Kaolin Coagulation Time,Kaolin-Cephalin Coagulation Time,Thromboplastin Time, Partial,Coagulation Time, Cephalin-Kaolin,Cephalin Kaolin Coagulation Time,Coagulation Time, Cephalin Kaolin,Coagulation Time, Kaolin-Cephalin,Kaolin Cephalin Coagulation Time
D011517 Prothrombin Time Clotting time of PLASMA recalcified in the presence of excess TISSUE THROMBOPLASTIN. Factors measured are FIBRINOGEN; PROTHROMBIN; FACTOR V; FACTOR VII; and FACTOR X. It is used for monitoring anticoagulant therapy with COUMARINS. Quick Test,Russell's Viper Venom Time,Thrombotest,Russell Viper Venom Time,Russells Viper Venom Time,Prothrombin Times,Test, Quick,Time, Prothrombin,Times, Prothrombin
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
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001322 Autoanalysis Method of analyzing chemicals using automation. Autoanalyses

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