Reliability of point-of-care prothrombin time testing in a community clinic: A randomized crossover comparison with hospital laboratory testing

British Journal of Haematology

Volumn 119, Issue 2, 2002, Pages 370-375

  Shiach, Caroline R ^a,b   Campbell, Bonnie ^a   Poller, Leon ^a   Keown, Michelle ^a   Chauhan, Nikhil ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

^b MANCHESTER ROYAL INFIRMARY   (United Kingdom)

Author keywords

Community medicine; ISI calibration; Point of care prothrombin time testing; Warfarin

Indexed keywords

WARFARIN;

ANTICOAGULANT THERAPY; ARTICLE; BLOOD CLOTTING TEST; CALIBRATION; CAPILLARY BLOOD; CLINICAL ARTICLE; CLINICAL TRIAL; COMMUNITY HOSPITAL; COMPUTER PROGRAM; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; CROSSOVER PROCEDURE; DEVICE; FEMALE; HUMAN; INTERMETHOD COMPARISON; MALE; PATIENT SATISFACTION; PRIORITY JOURNAL; PROTHROMBIN TIME; QUESTIONNAIRE; RANDOMIZED CONTROLLED TRIAL; RELIABILITY; VEIN PUNCTURE; VENOUS BLOOD;

ANTICOAGULANTS; COMMUNITY HEALTH CENTERS; CROSS-OVER STUDIES; DRUG THERAPY, COMPUTER-ASSISTED; HUMANS; INTERNATIONAL NORMALIZED RATIO; LABORATORIES, HOSPITAL; PATIENT SATISFACTION; POINT-OF-CARE SYSTEMS; PROTHROMBIN TIME; SENSITIVITY AND SPECIFICITY; THROMBOSIS; TIME FACTORS; WARFARIN;

EID: 0036438877     PISSN: 00071048     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2141.2002.03888.x     Document Type: Article

References (18)

1. Anderson, D.R., Harrison, L. & Hirsh, J. (1993) Evaluation of a portable prothrombin time monitor for home use by patients who require long-term anticoagulant therapy. Archives of Internal Medicine, 153, 1441-1447.
2. Ansell, J., Hirsh, J., Dalen, J., Bussey, H., Anderson, D., Poller, L., Jacobson, A., Deykin, D. & Matchar, D. (2001) Managing oral anticoagulant therapy. Chest, 119, 22s-38s.
3. van den Besselaar, A.M.H.P. (2000) A comparison of INRs determined with a whole blood prothrombin time device and two International Reference Preparations for thromboplastin. Thrombosis and Haemostasis, 84, 410-412.
4. Bland, J.M. & Altman, D.G. (1995) Comparing methods of measurement: Why plotting difference against standard method is misleading. Lancet, 346, 1085-1087.
5. Cromheecke, M.E., Levi, M., Colly, L.P., de Mol, B.J.M., Prins, M.H., Hutten, B.A., Mak, R., Keyzers, K.C.J. & Buller, H.R. (2000) Oral anticoagulation self-management and management by specialist anticoagulation clinic: A randomised cross-over comparison. Lancet, 356, 97-102.
6. Douketis, J.D., Lane, A., Milne, J. & Ginsberg, J.S. (1998) Accuracy of a portable international normalised ratio monitor in outpatients receiving long term oral anti-coagulant therapy: Comparison with a laboratory reference standard using clinically relevant criteria for agreement. Thrombosis Research, 92, 11-17.
7. Fitzmaurice, D.A., Hobbs, F.D.R., Murray, E.T., Holder, R.L., Allan, T.F. & Rose, P.E. (2000) Oral anticoagulation management in primary care with the use of computerized decision support and near-patient testing: A randomized, controlled trial. Archives of Internal Medicine, 160, 2343-2348.
8. Hills, M. & Armitage, P. (1979) The two-period cross-over clinical trial. British Journal of Clinical Pharmacology, 8, 7-20.
9. Hirsh, J., Dalen, J.E., Anderson, D., Poller, L., Bussey, H., Ansell, J. & Deykin, D. (2001) Oral anticoagulants: Mechanism of action, clinical effectiveness, and optimal therapeutic range. Chest, 119, 8s-21s.
10. McCurdy, S.A. & White, R.H. (1992) Accuracy and precision of a portable anticoagulation monitor in a clinical setting. Archives of Internal Medicine, 152, 589-592.
11. Poller, L., Barrowcliffe, T.W., van den Besselaar, A.M.H.P., Jespersen, J. & Houghton, D. (1996) The multicentre calibration of rabbit and human ECAA reference thromboplastins. Thrombosis and Haemostasis, 76, 977-982.
12. Poller, L., Shiach, C.R., MacCallum, P.K., Johansen, A.M., Münster, A.M., Magalhães, A. & Jespersen, J. (1998) Multicentre randomised study of computerised anticoagulant dosage. Lancet, 352, 1505-1509.
13. Rosendaal, F.R., Cannegieter, S.C., van der Meer, F.J. & Briet, E. (1993) A method to determine the optimal intensity of oral anticoagulant therapy. Thrombosis and Haemostasis, 69, 236-239.
14. Tripodi, A., Arbini, A.A., Chantarangkul, V., Bettega, D. & Mannucci, P.M. (1993) Are capillary whole blood coagulation monitors suitable for the control of oral anticoagulant treatment by the international normalised ratio? Thrombosis and Haemostasis, 70, 921-924.
15. Tripodi, A., Chantarangkul, V. & Mannucci, P.M. (2001) Near patient testing devices to monitor oral anticoagulant therapy. British Journal of Haematology, 113, 847-852.
16. White, R.H., McCurdy, S.A., von Marensdorff, H., Woodruff, D.E. & Leftgoff, L. (1989) Home PT monitoring after the initiation of warfarin therapy. Annals of Internal Medicine, 111, 730-737.
17. WHO Technical Report Series. (1983) WHO Expert Committee on Biological Standardisation, 687, 81-105.
18. WHO Technical Report Series (1999) Guidelines for thromboplastins and plasma used to control oral anticoagulation therapy. Annex 3, 889, 64-93.