False incoagulable PT-INR results in oral anticoagulant therapy

Thrombosis Research

Volumn 122, Issue 1, 2008, Pages 137-139

  Redaelli, R ^a   Corno, A R ^a   Somaini, M G ^a   Gechtman, C ^a   Caimi, T M ^a   Baudo, F ^a   Morra, E ^a  

^a OSPEDALE NIGUARDA CA GRANDA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ANTICOAGULANT AGENT;

BLOOD CLOTTING TIME; BLOOD SAMPLING; CONTROLLED STUDY; HUMAN; INTERNATIONAL NORMALIZED RATIO; LABORATORY TEST; LETTER; PRIORITY JOURNAL; PROTHROMBIN TIME;

ADMINISTRATION, ORAL; ANTICOAGULANTS; FALSE NEGATIVE REACTIONS; FALSE POSITIVE REACTIONS; INTERNATIONAL NORMALIZED RATIO; PROTHROMBIN TIME; REPRODUCIBILITY OF RESULTS; SAFETY;

EID: 42949124434     PISSN: 00493848     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.thromres.2007.09.013     Document Type: Letter

References (10)

1. Poller L. International Normalized Ratios (INR): the first 20 years. J Thromb Haemost 2 (2004) 849-860
2. WHO Expert Committee on Biological Standardization. Annex 3. Guidelines for thromboplastins and plasma used to control oral anticoagulant therapy. World Health Organization Technical Report Series. 48th report. No. 889 (1999), World Health Organization, Geneva, Switzerland 64-93
3. Van Geest-Daalderop J.H.H., Mulder A.B., Boonman-De Winter L.J.M., Hoekstra M.M.C.L., and Van Den Besselaar A.M.H.P. Preanalytical variables and off-site blood collection: influences on the results of the prothrombin time/International Normalized Ratio test and implications for monitoring of oral anticoagulant therapy. Clin Chem 51 (2005) 561-568
4. Fiebig E.W., Etzell J.E., and Ng V.L. Clinically relevant differences in prothrombin time and INR values related to blood sample collection in plastic vs glass tubes. Am J Clin Pathol 124 (2005) 902-909
5. National Committee for Clinical Laboratory Standards. Procedure for the collection of diagnostic blood specimens by venipuncture; Approved Standard. Fifth Edition. NCCLS Document H3-A5 vol. 23, No. 32 (2003)
6. National Committee for Clinical Laboratory Standards. Collection, transport, and processing of blood specimens for testing plasma-based coagulation assays; Approved guideline. Fourth Edition. NCCLS Document H21-A4 vol. 23, No. 35 (2003)
7. Polack B., Schved J.F., and Boneu B. Preanalytical recommendations of the "Groupe d'Etude sur l'Hémostase et la Thrombose" (GEHT) for venous blood testing in hemostasis laboratories. Haemostasis 31 (2001) 61-68
8. Lawrence J.B. Preanalytical variables in the coagulation laboratory. Lab Med 34 (2003) 49-57
9. Chuang J., Sadler M.A., and Witt D.M. Impact of evacuated collection tube fill volume and mixing on routine coagulation testing using 2.5-mL (pediatric) tubes. Chest 126 (2004) 1262-1266
10. Moellering H., and Gruber W. Determination of citrate with citrate lyase. Anal Biochem 17 (1966) 369-375