Interpretation and management of INR results: A case history based survey in 13 countries

Thrombosis Research

Volumn 130, Issue 3, 2012, Pages 309-315

  Kristoffersen, Ann Helen ^a   Thue, Geir ^b   Ajzner, Eva ^c   Claes, Neree ^d   Horvath, Andrea Rita ^e,f   Leonetti, Rina ^e   Kallion, Kaja ^g   Kitchen, Dianne ^h   Kitchen, Steve ^h   Kutt, Marge ⁱ   Meijer, Piet ^j   Muller, Mathias ^k   Nilsson, Elisabeth ^l   Perich, Carmen ^m   Plum, Inger ⁿ   Rogic, Dunja ^o   Tirimacco, Rosy ^p   Van Der Meer, Felix J M ^q   Watine, Joseph ^r   Sandberg, Sverre ^a,b  

^a HAUKELAND UNIVERSITY HOSPITAL   (Norway)

^b UNIVERSITY OF BERGEN   (Norway)

^c Josa Andras Teaching Hospital   (Hungary)

^d HASSELT UNIVERSITY   (Belgium)

^e UNIVERSITY OF SYDNEY   (Australia)

^f UNIVERSITY OF SYDNEY   (Australia)

^g TARTU UNIVERSITY HOSPITAL   (Estonia)

^h UK NEQAS Blood Coagulation   (United Kingdom)

ⁱ Tallinn Central Hospital   (Estonia)

^j ECAT Foundation   (Netherlands)

^k Austrian Society of Quality Assurance and Standardisation   (Austria)

^l EQUALIS AB   (Sweden)

^m Sociedad Espanola de Bioquimica Clinica y Patologia Molecular   (Spain)

ⁿ GENTOFTE UNIVERSITY HOSPITAL   (Denmark)

^o KBC Zagreb   (Croatia)

^p Bedford Park   (South Africa)

^q LEIDEN UNIVERSITY MEDICAL CENTER   (Netherlands)

^r Centre Hospitalier la Chartreuse   (France)

more..

Author keywords

Anticoagulation; Case histories; Dosing algorithms; INR; Standardization; Vitamin K antagonists

Indexed keywords

ACENOCOUMAROL; ANTIVITAMIN K; FLUINDIONE; PHENPROCOUMON; WARFARIN;

ADULT; ANTICOAGULANT THERAPY; BLEEDING; BRAIN ISCHEMIA; CHADS2 SCORE; DRUG DOSE INCREASE; DRUG DOSE REDUCTION; DRUG DOSE REGIMEN; DRUG MONITORING; DRUG SAFETY; FEMALE; HEART ATRIUM FIBRILLATION; HUMAN; INTERNATIONAL NORMALIZED RATIO; LUNG EMBOLISM; MALE; MEDICAL SPECIALIST; PHYSICIAN; PRACTICE GUIDELINE; PRIORITY JOURNAL; QUESTIONNAIRE; REPEAT PROCEDURE; REVIEW; RISK ASSESSMENT; SCORING SYSTEM;

EID: 84865227507     PISSN: 00493848     EISSN: 18792472     Source Type: Journal    
DOI: 10.1016/j.thromres.2012.02.014     Document Type: Article

References (41)

1. N. Oake, A. Jennings, A.J. Forster, D. Fergusson, S. Doucette, and C. van Walraven Anticoagulation intensity and outcomes among patients prescribed oral anticoagulant therapy: a systematic review and meta-analysis CMAJ 179 2008 235 244
2. C. van Walraven, A. Jennings, N. Oake, D. Fergusson, and A.J. Forster Effect of study setting on anticoagulation control: a systematic review and metaregression Chest 129 2006 1155 1166
3. W.L. Baker, D.A. Cios, S.D. Sander, and C.I. Coleman Meta-analysis to assess the quality of warfarin control in atrial fibrillation patients in the United States J Manag Care Pharm 15 2009 244 252
4. D.A. Cios, W.L. Baker, S.D. Sander, O.J. Phung, and C.I. Coleman Evaluating the impact of study-level factors on warfarin control in U.S.-based primary studies: a meta-analysis Am J Health Syst Pharm 66 2009 916 925
5. N. Claes, F. Buntinx, J. Vijgen, J. Arnout, J. Vermylen, and S. Fieuws The Belgian Improvement Study on Oral Anticoagulation Therapy: a randomized clinical trial Eur Heart J 26 2005 2159 2165
6. V. Pengo, C. Pegoraro, U. Cucchini, and S. Iliceto Worldwide management of oral anticoagulant therapy: the ISAM study J Thromb Thrombolysis 21 2006 73 77
7. L. Wallentin, S. Yusuf, M.D. Ezekowitz, M. Alings, M. Flather, and M.G. Franzosi Efficacy and safety of dabigatran compared with warfarin at different levels of international normalised ratio control for stroke prevention in atrial fibrillation: an analysis of the RE-LY trial Lancet 376 2010 975 983
8. J. Ansell, J. Hirsh, E. Hylek, A. Jacobson, M. Crowther, and G. Palareti Pharmacology and management of the vitamin K antagonists: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition) Chest 133 2008 160S 198S
9. D. Keeling, T. Baglin, C. Tait, H. Watson, D. Perry, and C. Baglin Guidelines on oral anticoagulation with warfarin - fourth edition Br J Haematol 154 2011 311 324
10. Y.K. Kim, R. Nieuwlaat, S.J. Connolly, S. Schulman, K. Meijer, and N. Raju Effect of a simple two-step warfarin dosing algorithm on anticoagulant control as measured by time in therapeutic range: a pilot study J Thromb Haemost 8 2010 101 106
11. S.E. Wilson, L. Costantini, and M.A. Crowther Paper-based dosing algorithms for maintenance of warfarin anticoagulation J Thromb Thrombolysis 23 2007 195 198
12. I. Jennings, I.D. Walker, S. Kitchen, D. Kitchen, T.A. Woods, and D. Keeling Management of patients receiving oral anticoagulants using computer dosing software-does everyone agree? Data from a UK NEQAS (blood coagulation) exercise Int J Lab Hematol 34 2012 70 80
13. Guidelines on oral anticoagulation; third edition Br J Haematol 101 1998 374 387
14. J. Hirsh, V. Fuster, J. Ansell, and J.L. Halperin American Heart Association/American College of Cardiology Foundation guide to warfarin therapy Circulation 107 2003 1692 1711
15. A.S. Gallus, R.I. Baker, B.H. Chong, P.A. Ockelford, and A.M. Street Consensus guidelines for warfarin therapy. Recommendations from the Australasian Society of Thrombosis and Haemostasis Med J Aust 172 2000 600 605
16. A. Reikvam, and P.M. Sandset Guidelines for Warfarin Treatment in Clinical Practice 2010 The Norwegian Medical Association Oslo, Norway
17. C.A. Franke, L.M. Dickerson, and P.J. Carek Improving anticoagulation therapy using point-of-care testing and a standardized protocol Ann Fam Med 6 Suppl. 1 2008 S28 S32
18. J.D. Nielsen Control of VKA treatment 2011 Sundhet.dk København [updated 17th January 2011; cited 2011 17th January; Available from:] https://www.sundhed.dk/Artikel.aspx?id=74931.218
19. A.H. Kristoffersen, G. Thue, and S. Sandberg Postanalytical external quality assessment of warfarin monitoring in primary healthcare Clin Chem 52 2006 1871 1878
20. K.M. Aakre, G. Thue, S. Subramaniam-Haavik, T. Bukve, H. Morris, and M. Muller Postanalytical external quality assessment of urine albumin in primary health care: an international survey Clin Chem 54 2008 1630 1636
21. B.F. Gage, A.D. Waterman, W. Shannon, M. Boechler, M.W. Rich, and M.J. Radford Validation of clinical classification schemes for predicting stroke: results from the National Registry of Atrial Fibrillation JAMA 285 2001 2864 2870
22. Y. van Leeuwen, F.R. Rosendaal, and F.J. van der Meer The relationship between maintenance dosages of three vitamin K antagonists: acenocoumarol, warfarin and phenprocoumon Thromb Res 123 2008 225 230
23. C.G. Fraser, and E.K. Harris Generation and application of data on biological variation in clinical chemistry Crit Rev Clin Lab Sci 27 1989 409 437
24. J.F. Lassen, I. Brandslund, and S. Antonsen International normalized ratio for prothrombin times in patients taking oral anticoagulants: critical difference and probability of significant change in consecutive measurements Clin Chem 41 1995 444 447
25. J.H. van Geest-Daalderop, N.C. Pequeriaux, and A.M. van den Besselaar Variability of INR in patients on stable long-term treatment with phenprocoumon and acenocoumarol and implications for analytical quality requirements Thromb Haemost 102 2009 588 592
26. C.P. Gross, E.W. Vogel, A.J. Dhond, C.B. Marple, R.A. Edwards, and O. Hauch Factors influencing physicians' reported use of anticoagulation therapy in nonvalvular atrial fibrillation: a cross-sectional survey Clin Ther 25 2003 1750 1764
27. B.F. Gage, S.D. Fihn, and R.H. White Management and dosing of warfarin therapy Am J Med 109 2000 481 488
28. D.A. Fitzmaurice Oral anticoagulation should be managed in the community with treatment aimed at standard therapeutic targets and increased recall intervals J Thromb Haemost 6 2008 1645 1646
29. D.M. Witt, T. Delate, N.P. Clark, C. Martell, T. Tran, and M.A. Crowther Outcomes and predictors of very stable INR control during chronic anticoagulation therapy Blood 114 2009 952 956
30. A.J. Rose, A. Ozonoff, D.R. Berlowitz, A.S. Ash, J.I. Reisman, and E.M. Hylek Reexamining the Recommended Follow-up Interval After Obtaining an In-Range International Normalized Ratio Value: Results from the Veterans Affairs Study to Improve Anticoagulation Chest 140 2011 359 365
31. S. Schulman, S. Parpia, C. Stewart, L. Rudd-Scott, J.A. Julian, and M. Levine Warfarin dose assessment every 4 weeks versus every 12 weeks in patients with stable international normalized ratios: a randomized trial Ann Intern Med 155 2011 653 659
32. R.I. Baker, P.B. Coughlin, A.S. Gallus, P.L. Harper, H.H. Salem, and E.M. Wood Warfarin reversal: consensus guidelines, on behalf of the Australasian Society of Thrombosis and Haemostasis Med J Aust 181 2004 492 497
33. G. Palareti, and B. Cosmi Bleeding with anticoagulation therapy - who is at risk, and how best to identify such patients Thromb Haemost 102 2009 268 278
34. G. Palareti, N. Leali, S. Coccheri, M. Poggi, C. Manotti, and A. D'Angelo Bleeding complications of oral anticoagulant treatment: an inception-cohort, prospective collaborative study (ISCOAT). Italian Study on Complications of Oral Anticoagulant Therapy Lancet 348 1996 423 428
35. F.J. van der Meer, F.R. Rosendaal, J.P. Vandenbroucke, and E. Briet Bleeding complications in oral anticoagulant therapy. An analysis of risk factors Arch Intern Med 153 1993 1557 1562
36. E.M. Hylek, S. Regan, A.S. Go, R.A. Hughes, D.E. Singer, and S.J. Skates Clinical predictors of prolonged delay in return of the international normalized ratio to within the therapeutic range after excessive anticoagulation with warfarin Ann Intern Med 135 2001 393 400
37. A. Cafolla, R. Melizzi, E. Baldacci, P. Pignoloni, F. Dragoni, and M. Campanelli "Zeus" a new oral anticoagulant therapy dosing algorithm : A cohort study Thromb Res 128 2011 325 330
38. A.J. Rose, E.M. Hylek, D.R. Berlowitz, A.S. Ash, J.I. Reisman, and A. Ozonoff Prompt repeat testing after out-of-range INR values: a quality indicator for anticoagulation care Circ Cardiovasc Qual Outcomes 4 2011 276 282
39. G.P. Samsa, and D.B. Matchar Relationship between test frequency and outcomes of anticoagulation: a literature review and commentary with implications for the design of randomized trials of patient self-management J Thromb Thrombolysis 9 2000 283 292
40. D.E. Singer, G.W. Albers, J.E. Dalen, M.C. Fang, A.S. Go, and J.L. Halperin Antithrombotic therapy in atrial fibrillation: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition) Chest 133 2008 546S 592S
41. S. Schulman, R.J. Beyth, C. Kearon, and M.N. Levine Hemorrhagic complications of anticoagulant and thrombolytic treatment: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition) Chest 133 2008 257S 298S