ID | 66719 |
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Author |
Nakamura, Naoko
Department of Epidemiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Mitsuhashi, Toshiharu
Center for Innovative Clinical Medicine, Okayama University Hospital
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Matsumoto, Naomi
Department of Epidemiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
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Hayase, Shunsaku
Academic Affairs Division, Okayama University
Yorifuji, Takashi
Department of Epidemiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
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Abstract | Background: The COVID- 19 pandemic has impacted healthcare behaviors, leading to fewer pediatric visits in Japan and potentially fewer visits by adult patients. However, existing Japanese studies on treatment interruptions have generally relied on questionnaire- based methods. In this study, we assessed the impact of the pandemic on antihypertensive treatment interruption using real- world prescription data.
Methods: We conducted an interrupted time series analysis using the National Health Insurance Database in Okayama Prefecture, Japan. Participants included individuals aged 40-69 years with at least one antihypertensive prescription between 2018 and 2020. Treatment interruption was defined as a 3- month or longer gap in prescriptions after medication depletion. We used segmented Poisson regression with models unadjusted and adjusted for seasonality and over- dispersion to assess monthly treatment interruptions before and after Japan's April 2020 emergency. Results: During the study period, 23.0% of 55,431 participants experienced treatment interruptions. Cyclical fluctuations in interruptions were observed. The crude analysis indicated a 1.2 - fold increase in treatment interruptions following the pandemic; however, the adjusted models showed no significant changes. Even among higher- risk groups, such as women, younger adults, and those with shorter prescriptions, no significant alterations were observed. Conclusion: We found no significant impact of the COVID- 19 pandemic on antihypertensive treatment interruption in Okayama Prefecture. The less severe outbreak in the area or increased use of telemedicine and extended prescriptions may have contributed to treatment continuity. Further research is needed using a more stable and comprehensive database, broader regional data, and detailed prescription records to validate and extend our findings. |
Keywords | antihypertensive agents
COVID-19
health behavior
interrupted time series analysis
prescription drugs
treatment interruption
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Published Date | 2024-02-21
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Publication Title |
Journal of General and Family Medicine
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Volume | volume25
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Issue | issue2
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Publisher | Wiley
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Start Page | 102
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End Page | 109
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ISSN | 2189-7948
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Content Type |
Journal Article
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language |
English
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OAI-PMH Set |
岡山大学
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Copyright Holders | © 2024 The Authors.
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File Version | publisher
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Related Url | isVersionOf https://doi.org/10.1002/jgf2.678
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License | https://creativecommons.org/licenses/by/4.0/
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Citation | Nakamura N, Mitsuhashi T, Matsumoto N, Hayase S, Yorifuji T. Treatment interruption in hypertensive patients during the COVID-19 pandemic: An interrupted time series analysis using prescription data in Okayama, Japan. J Gen Fam Med. 2024; 25: 102–109. https://doi.org/10.1002/jgf2.678
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Funder Name |
Okayama Prefecture
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