Abstract
Purpose
Appropriate prescription of oral anticoagulants (OACs) and good patient adherence are essential to ensure optimal anticoagulation in patients with atrial fibrillation (AF). The aim of this study is to develop a mobile health tool to aid both clinicians and patients with AF in anticoagulation therapy.
Methods
In this study, a novel anticoagulation management model integrating decision support and patient follow-up, the I-Anticoagulation, was developed based on a WeChat Mini Program. With this tool, the risks of stroke and bleeding in AF patients can automatically be calculated according to their characteristics. Anticoagulation regimens were recommended based on a trade-off analysis that balances stroke and bleeding risks according to recent clinical guidelines. A shared decision can be made with full communication between medical professionals and patients. Moreover, follow-up was also conducted using I-Anticoagulation.
Results
A total of 120 AF patients receiving anticoagulants (40 received warfarin and 80 received non-vitamin K antagonist oral anticoagulants [NOACs]) were included in the pilot study. The incidence of thromboembolic events was 2.5% and 1.3%, and the rates of bleeding events were 22.5% and 13.8% in the warfarin and NOAC groups, respectively. Generally, self-reported adherence was high, and the satisfaction with anticoagulation was good in all patients with AF.
Conclusion
Overall, the anticoagulation management model developed in this study could be involved in the full process of anticoagulation therapy in AF patients to improve rationality, adherence, and satisfaction in both medical professionals and patients. However, the usability, feasibility, and acceptability of the I-Anticoagulant-based anticoagulation management model need to be further assessed through well-designed random clinical trials.
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Data availability
All data are available from the corresponding author on reasonable request.
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Funding
This work was supported by the Ren Ji Boost Project of National Natural Science Foundation of China (RJTJ-JX-001), Research Funds of Shanghai Health and Family Planning commission (20184Y0022), WU JIEPING medical foundation (320.6750.2020–04-30), Clinical Pharmacy Innovation Research Institute of Shanghai Jiao Tong University School of Medicine (CXYJY2019ZD001), and Shanghai “Rising Stars of Medical Talent” Youth Development Program – Youth Medical Talents – Clinical Pharmacist Program (SHWJRS (2019) 072; SHWRS (2020) 087).
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Z.G. and C.Z. conceived of the presented idea and designed structure of the I-Anticoagulant. N.W. collected the recommendations on anticoagulation therapy in current guidelines. W.W. and C.Z. developed the WeChat Mini Program of I-Anticoagulant. M.P. and Z.L. contributed to the implementation of the pilot study. H.L. and Z.G. supervised the finding of this study. C.Z. and M.P. wrote the manuscript. Z.G. and H.L. revised the manuscript.
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The study was approved by the ethics committee of Ren Ji hospital (#2018–025) and informed consent was obtained from each patient or their family members. We conducted this study according to the Declaration of Helsinki, ethical principles of medical research involving human subjects (revision Fortaleza, Brazil, October 2013).
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Zhang, C., Pan, MM., Wang, N. et al. Feasibility and usability of a mobile health tool on anticoagulation management for patients with atrial fibrillation: a pilot study. Eur J Clin Pharmacol 78, 293–304 (2022). https://doi.org/10.1007/s00228-021-03236-4
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DOI: https://doi.org/10.1007/s00228-021-03236-4