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Lafata, J.E. et al.

Lafata, Martin, Kaatz, Ward,

The cost-effectiveness of different management strategies for patients on chronic warfarin therapy.

OBJECTIVE: To examine the cost-effectiveness of moving from usual care to more organized management strategies for patients on chronic warfarin therapy. DESIGN: Using information available in the scientific literature, supplemented with data from a large health system and, when necessary, expert opinion, we constructed a 5-year Markov model to evaluate the health and economic outcomes associated with each of three different anticoagulation management approaches: usual care, anticoagulation clinic testing with a capillary monitor, and patient self-testing with a capillary monitor. PATIENTS: Three hypothetical cohorts of patients beginning long-term warfarin therapy were used to generate model results. MAIN RESULTS: Model results indicated that moving from usual care to anticoagulation clinic testing would result in a total of 1.7 thromboembolic events and 2.0 hemorrhagic events avoided per 100 patients over 5 years. Another 4.0 thromboembolic events and 0.8 hemorrhagic events would be avoided by moving to patient self-testing. When direct medical care costs and those incurred by patients and their caregivers in receiving care were considered, patient self-testing was the most cost-effective alternative, resulting in an overall cost saving. CONCLUSIONS: Results illustrate the potential health and economic benefits of organized care management approaches and capillary monitors in the management of patients receiving warfarin therapy.[1]

References

The cost-effectiveness of different management strategies for patients on chronic warfarin therapy. Lafata, J.E., Martin, S.A., Kaatz, S., Ward, R.E. Journal of general internal medicine : official journal of the Society for Research and Education in Primary Care Internal Medicine. (2000) [Pubmed]

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