Patient’s place of residence matters when choosing cost-effective anticoagulation therapy

Appropriately selected anticoagulation therapy can help to reduce the medical costs of patients suffering from atrial fibrillation.

Appropriately selected anticoagulation therapy can help to reduce the medical costs of patients suffering from atrial fibrillation. A new study from the University of Eastern Finland shows that direct oral anticoagulants can be a more cost-effective alternative than traditional warfarin therapy when the patient’s place of residence is taken into consideration. Published in Geospatial Health, the study used GIS data to create a geospatial model comparing the costs of different anticoagulant therapies. The patient’s travel, time-loss and medication costs were used parameters to determine the overall costs of therapy.

Most atrial fibrillation patients need anticoagulation management to reduce the risk of thromboembolic events and stroke. Currently, two major drug therapies are available: warfarin and direct oral anticoagulants (DOACs).

Patients receiving warfarin therapy require regular INR monitoring. As a result, warfarin therapy is more cost-effective than DOACs only when the patient lives near the INR sample collection point, due to higher costs of travel and greater loss of leisure or working time. The study found that DOACs are a more cost-effective alternative also in situations where the patient requires INR monitoring more frequently than normal.

The researchers developed a geospatial model that determines market areas DOAC and warfarin therapy, taking into consideration the costs of travel, time-loss caused by INR monitoring, different modes of travel and the patient’s assumed working or retirement status. Using this data, they calculated distance limits for each market area by mode of transport, making is possible to compare the spatial costs of warfarin therapy also when using different modes of travel. The study compared the costs of warfarin and DOAC therapy in a hospital district in the eastern part of Finland.

The data used in the study included the regional sample collection point locations, the Finnish National Road and Street Database, and recent travel and medical cost parameters from the study area. The costs were looked at from the patient’s perspective, taking into consideration possible national reimbursements of medical costs and costs of using a taxi.

“Our model pertains to Finland, but it is possible to create a similar geospatial model for other countries as well, provided that road data and the required parameters are available. It is also possible to use this model to compare other drugs that have a treatment setting that is similar to anticoagulant therapy,” Project Researcher and lead author of the study Mikko Pyykönen from the University of Eastern Finland notes.

For further information, please contact:
Project Researcher Mikko Pyykönen, tel. +358 50 505 1480, mikko.pyykonen(at)uef.fi

Research article:

Pyykönen M, Leminen A, Tynkkynen J, Tykkyläinen M, Laatikainen T. Geospatial model to determine the spatial cost-efficiency of anticoagulation drug therapy: Patients’ perspective. Geospatial Health 2019, 14: 809. doi: https://doi.org/10.4081/gh.2019.809

The University of Eastern Finland, UEF, is one of the largest universities in Finland. The activities of the UEF underscore multidisciplinarity, and the university is especially strong in research related to forests and the environment, health and well-being, and new technologies and materials.The UEF offers teaching in more than 100 major subjects. In addition to the high standard of teaching, the university offers its students a modern study environment, which is under constant development.The university comprises four faculties: the Philosophical Faculty, the Faculty of Science and Forestry, the Faculty of Health Sciences, and the Faculty of Social Sciences and Business Studies. The university’s campuses are located in the heart of beautiful eastern Finland in Joensuu, Kuopio and Savonlinna.The UEF is home to approximately 15 000 students and nearly 2 800 members of staff.

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