The European Concerted Action on Anticoagulation (ECAA): Field studies of coagulometer effects on the ISI of ECAA thromboplastins

Thrombosis and Haemostasis

Volumn 80, Issue 4, 1998, Pages 615-623

  Poller, L ^a   Van Den Besselaar, A M H P ^b   Jespersen, J ^c   Tripodi, A ^d   Houghton, D ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

^b LEIDEN UNIVERSITY MEDICAL CENTER   (Netherlands)

^c Centralsygehuset ^*  (Denmark)

^d FONDAZIONE IRCCS CA GRANDA OSPEDALE MAGGIORE POLICLINICO   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

REAGENT; THROMBOPLASTIN;

ANTICOAGULATION; ARTICLE; BLOOD CLOTTING TEST; CALIBRATION; FREEZE DRYING; HUMAN; LABORATORY; NONHUMAN; PLASMA; PRIORITY JOURNAL; RABBIT;

ANIMALS; BLOOD; BLOOD COAGULATION TESTS; CALIBRATION; HUMANS; INTERNATIONAL NORMALIZED RATIO; LABORATORIES; PROTHROMBIN TIME; RABBITS; RECOMBINANT PROTEINS; THROMBOPLASTIN;

EID: 0031756878     PISSN: 03406245     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (27)

1. D'Angelo A, Seveso MP, D'Angelo SV, Gilardoni F, Macagni A, Manotti C. Comparison of two automated coagulometers and the manual tilt tube method for the determination of prothrombin time. Am J Clin Pathol 1989; 92: 321-8.
2. Poller L, Thomson JM, Taberner DA. Effect of automation on the prothrombin time test in NEQAS surveys. J Clin Pathol 1989; 42: 97-100.
3. van Rijn JLML, Schmidt Nico A, Rutten W. Correction of instrument and reagent based differences in determination of the international normalised ratio (INR) for monitoring anticoagulant therapy. Clin Chem 1989; 355: 840-3.
4. Ray MJ, Smith IR. The dependence of the International Sensitivity Index on the coagulometer used to perform the prothrombin time. Thromb Haemost 1990; 63: 424-9.
5. Clarke K, Taberner DA, Thomson JM, Morris JA, Poller L. Assessment of value of calibrated lyophilized plasmas to determine International Sensitivity Index for coagulometers. J Clin Pathol 1992; 45: 58-60.
6. Poller L, Triplett DA, Hirsh J, Carroll J, Clarke K. The Value of Plasmas Calibrants in Correcting Coagulometer Effects on International Normalized Ratios - An International Multicenter Study. Am J Clin Pathol 1995; 103: 358-65.
7. van den Besselaar AMHP. Comparison of lyophilized plasmas with fresh plasmas for calibration of thromboplastin reagents in oral anticoagulant control. Brit J Haemal 1996; 93: 437-44.
8. European Concerted Action on Anticoagulation (ECAA). Poller L, van den Besselaar AMHP, Jespersen J, Tripodi A, Houghton D. A comparison of artificially depleted, lyophilized coumarin and fresh coumarin plasmas in thromboplastin calibration. Brit J Haemal 1998; 101: 462-7.
9. Poller L, Barrowcliffe TW, van den Besselaar AMHP, Jespersen J, Tripodi A, Houghton D. European Concerted Action on Anticoagulation (ECAA). The Multicentre Calibration of Rabbit and Human ECAA Reference Thromboplastins. Thromb Haemost 1996; 76: 977-82.
10. Poller L, Barrowcliffe TW, van den Besselaar AMHP, Jespersen J, Tripodi A, Houghton D. The European Concerted Action on Anticoagulation (ECAA) Evaluation of a set of lyophilized normal plasmas to establish the normal prothrombin time for coagulometer systems. Thromb Haemost 1998; 79: 122-8.
11. Poller L, Taberner DA, Thomson JM, Morris J, Mibashan RS, Shinton NK. Effect of the choice of WHO international reference preparation for thromboplastin on international normalized ratios. J Clin Pathol 1993; 46: 64-6.
12. van den Besselaar AMHP, Bertina RM. Multicenter study of thromboplastin calibration. Precision - Influence of reagent species, composition and international sensitivity index. Thromb Haemost 1993; 69: 35-40.
13. Tripodi A, Poller L, van den Besselaar AMHP, Mannucci PM. ISHT Scientific and Standardisation Committee Communications. On behalf of the Sub-committee on Control of Anticoagulation. A proposed scheme for calibration of International Reference Preparations of thromboplastin for the prothrombin time. Thromb Haemost 1995 (a); 74: 1368-9.
14. Thomson JM, Darby KV, Poller L. Calibration of BCT/441, the ICSH reference preparation for thromboplastin. Thromb Haemost 1986; 55: 379-82.
15. WHO Expert Committee on Biological Standardisation. 33rd Report, WHO Technical Series 1983; 687: 81-105.
16. Thomson JM. A practical guide to blood coagulation and hemostasis. London: Churchill Livingstone 1970: 178-9.
17. Clauss A. Gerinnungsphysiologische Schnellmethode zur Bestimmung des Fibrinogens. Acta Haemat 1957; 17: 237-46.
18. Tripodi A, Chantarangul V, Akkawat B, Clerid M, Mannucci PM. A partial factor V deficiency in anticoagulated lyophilized plasmas was identified as a cause of the International Normalized Ratio discrepancy in External Quality Assessment Scheme. Thromb Res 1995 (b); 78: 283.
19. Kirkwood TBL. Calibration of reference thromboplastins and standardisation of the prothrombin time ratio. Thromb Haemost 1983; 49: 238-44.
20. van der Velde EA. Orthogonal regression equation. In van den Besselaar AMHP, Gralnick HR, Lewis SM (eds). Thromboplastin calibration and oral anticoagulation. Boston; Martinus Nijhoff 1984: 2540.
21. Tomenson JA. A statistician's independent evaluation. In van den Besselaar AMHP, Gralnick HR, Lewis SM (eds). Thromboplastin calibration and oral anticoagulation. Boston: Martinus Nijhoff 1984: 87-108.
22. Kitchen S, Walker ID, Woods TAL, Preston FE. Thromboplastin related differences in the determination of International Normalised Ratio: A cause for concern? Thromb Haemost 1994; 72: 426-9.
23. Poggio M, van den Besselaar AMHP, van der Velde EA, Bertina RM. The effect of some instruments for prothrombin time testing on the International Sensitivity Index (ISI) of two rabbit tissue thromboplastin reagents. Thromb Haemost 1989; 62: 868-74.
24. Poller L, Thomson JM, Taberner DA, Clarke DK. The correction of coagulometer effects on international normalized ratios: A multicentre evaluation. Brit J Haemal 1994; 86: 112-7.
25. Hirsh J, Dalen JE, Deykin D, Poller L, Bussey H. Oral Anticoagulants: Mechanism of Action, Clinical Effectiveness, and Optimal Therapeutic Range. CHEST supplement 1995; 108: 231S-46S.
26. European Concerted Action on Anticoagulation (ECAA). Poller L, Barrowcliffe TW, van den Besselaar AMHP, Jespersen J, Tripodi A, Houghton D. Minimum Lyophilized Plasma Requirement for ISI Calibration. Am J Clin Pathol 1998; 109: 196-204.
27. Poller L, Houghton D, Carroll J. The reliability of the mean normal prothrombin time of fresh plasmas and of the normal value from a lyophilized "normal" plasma in prothrornbin ratio determination. Brit J Haemal 1994; 88: 866-73.