Patient adherence to warfarin therapy and its impact on anticoagulation control

Saudi Pharmaceutical Journal

Volumn 24, Issue 1, 2016, Pages 29-34

  Mayet, Ahmed Y ^a  

^a KING SAUD UNIVERSITY   (Saudi Arabia)

Author keywords

Anticoagulation control; INR; Medication adherence; MMAS 8; Oral anticoagulant; Saudi Arabia; Warfarin

Indexed keywords

WARFARIN;

ADULT; AGED; ANTICOAGULANT THERAPY; ANTICOAGULATION; ARTICLE; CROSS-SECTIONAL STUDY; FEMALE; FOLLOW UP; HEALTH SURVEY; HUMAN; INTERNAL CONSISTENCY; INTERNATIONAL NORMALIZED RATIO; ITEM TOTAL CORRELATION; MAJOR CLINICAL STUDY; MALE; MEDICATION COMPLIANCE; SENSITIVITY AND SPECIFICITY; UNEMPLOYMENT; WORLD HEALTH ORGANIZATION;

EID: 84925358302     PISSN: 13190164     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jsps.2015.02.005     Document Type: Article

References (26)

1. Alhewiti A. Adherence to long-term therapies and beliefs about medications. Int. J. Family Med. 2014, 2014:479596.
2. Brislin R.W. Translation and content analysis of oral and written materials. Handbook of Cross-cultural Psychology: Methodology 1986, Allyn and Bacon Inc., Boston. H.C. Trialdis, J.W. Berry (Eds.).
3. Cruess D.G., Localio A.R., Platt A.B., Brensinger C.M., Christie J.D., Gross R., et al. Patient attitudinal and behavioral factors associated with warfarin non-adherence at outpatient anticoagulation clinics. Int. J. Behav. Med. 2010, 17:33-42.
4. Davis N.J., Billett H.H., Cohen H.W., Arnsten J.H. Impact of adherence, knowledge, and quality of life on anticoagulation control. Ann. Pharmacother. 2005, 39:632-636.
5. Gurwitz J.H., Field T.S., Harrold L.R., Rothschild J., Debellis K., Seger A.C., et al. Incidence and preventability of adverse drug events among older persons in the ambulatory setting. JAMA 2003, 289:1107-1116.
6. Hylek E.M., Skates S.J., Sheehan M.A., Singer D.E. An analysis of the lowest effective intensity of prophylactic anticoagulation for patients with nonrheumatic atrial fibrillation. N. Engl. J. Med. 1996, 335:540-546.
7. Kim J.H., Kim G.S., Kim E.J., Park S., Chung N., Chu S.H. Factors affecting medication adherence and anticoagulation control in Korean patients taking warfarin. J. Cardiovasc. Nurs. 2011, 26:466-474.
8. Kimmel S.E., Chen Z., Price M., Parker C.S., Metlay J.P., Christie J.D., et al. The influence of patient adherence on anticoagulation control with warfarin: results from the International Normalized Ratio Adherence and Genetics (IN-RANGE) study. Arch. Intern. Med. 2007, 167:229-235.
9. Korb-Savoldelli V., Gillaizeau F., Pouchot J., Lenain E., Postel-Vinay N., Plouin P.F., et al. Validation of a French version of the 8-item Morisky medication adherence scale in hypertensive adults. J. Clin. Hypertens. (Greenwich) 2012, 14:429-434.
10. Lee W.Y., Ahn J., Kim J.H., Hong Y.P., Hong S.K., Kim Y.T., et al. Reliability and validity of a self-reported measure of medication adherence in patients with type 2 diabetes mellitus in Korea. J. Int. Med. Res. 2013, 41:1098-1110.
11. Morisky D.E., Green L.W., Levine D.M. Concurrent and predictive validity of a self-reported measure of medication adherence. Med. Care 1986, 24:67-74.
12. Morisky D.E., Ang A., Krousel-Wood M., Ward H.J. Predictive validity of a medication adherence measure in an outpatient setting. J. Clin. Hypertens. (Greenwich) 2008, 10:348-354.
13. Nunnally J.C., Bernstein I.H. Psychometric Theory 1994, McGraw-Hill, New York, NJ. third ed.
14. Orensky I.A., Holdford D.A. Predictors of noncompliance with warfarin therapy in an outpatient anticoagulation clinic. Pharmacotherapy 2005, 25:1801-1808.
15. Parker C.S., Chen Z., Price M., Gross R., Metlay J.P., Christie J.D., et al. Adherence to warfarin assessed by electronic pill caps, clinician assessment, and patient reports: results from the IN-RANGE study. J. Gen. Intern. Med. 2007, 22:1254-1259.
16. Platt A.B., Localio A.R., Brensinger C.M., Cruess D.G., Christie J.D., Gross R., et al. Can we predict daily adherence to warfarin?: Results from the International Normalized Ratio Adherence and Genetics (IN-RANGE) Study. Chest 2010, 137:883-889.
17. Rose A.J., Ozonoff A., Grant R.W., Henault L.E., Hylek E.M. Epidemiology of subtherapeutic anticoagulation in the United States. Circ. Cardiovasc. Qual. Outcomes 2009, 2:591-597.
18. Rosendaal F.R., Cannegieter S.C., van der Meer F.J., Briet E. A method to determine the optimal intensity of oral anticoagulant therapy. Thromb. Haemost. 1993, 69:236-239.
19. Sakthong P., Chabunthom R., Charoenvisuthiwongs R. Psychometric properties of the Thai version of the 8-item Morisky medication adherence scale in patients with type 2 diabetes. Ann. Pharmacother. 2009, 43:950-957.
20. Streiner D.L., Norman G.R. Health measurement scales: a practical guide to their development and use 2008, Oxford University Press, UK, Oxford. fourth ed.
21. Wang Y., Kong M.C., Ko Y. Psychometric properties of the 8-item Morisky medication adherence scale in patients taking warfarin. Thromb. Haemost. 2012, 108:789-795.
22. Wang Y., Kong M.C., Ko Y. Comparison of three medication adherence measures in patients taking warfarin. J. Thromb. Thrombolysis 2013, 36:416-421.
23. Woodwell D.A., Cherry D.K. National ambulatory medical care survey: 2002 summary. Adv. Data. 2004, 1-44.
24. World Health Organization, 2003. Adherence to long-term therapies. Evidence for action. World Health Organization. Geneva: Word Health Organization. <>. http://www.who.int.
25. World Health Organization, 2007. Process of translation and adaptation of instruments. WHO. <>. http://www.who.int.
26. Wysowski D.K., Nourjah P., Swartz L. Bleeding complications with warfarin use: a prevalent adverse effect resulting in regulatory action. Arch. Intern. Med. 2007, 167:1414-1419.