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  • Special Issue: Current evidence and perspectives for hypertension management in Asia
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Cross-sectional survey of hypertension management in clinical practice in Japan: the Kanagawa Hypertension Study 2021 conducted in collaboration with Japan Medical Association Database of Clinical Medicine

Hypertension Research volume 46, pages 2447–2459 (2023)Cite this article

Abstract

We aim to assess the data of patients with hypertension in Kanagawa Prefecture, Japan, collected in 2021 that were provided by the Japan Medical Association Database of Clinical Medicine. Data collected in 2011 and 2014 by the Kanagawa Physicians Association were used for comparative analysis. The target blood pressure (BP) achievement rates for patients whose target office and home BP were <140/90 mmHg and <135/85 mmHg, respectively, were 72.5% and 75.8% in 2011, 66.0% and 68.5% in 2014, and 46.7% and 83.3% in 2021, respectively. The target office BP achievement rate in 2021 was significantly lower than those in 2011 and 2014 (p ≤ 0.009). In contrast, there was no significant difference and improvement of the achievement rates for patients whose target office and home BP were <130/80 mmHg and <125/75 mmHg, respectively, among the three surveys. After the Japanese Society of Hypertension 2019 Guidelines were released, the achievement rates for patients whose target BP was tightened were significantly lower than those for patients with unchanged target BP (office/home, p < 0.001/0.04). The proportion of the patients who achieved their office and home target BP using more than three drugs was 38.5% and 20.0%, respectively. In the present analysis, we unveiled the current problems encountered in the clinical management of hypertension in Japan. In particular, efforts should be focused on the management of patients that require strict BP control.

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Data availability

Data are available at Kanagawa Physicians Association Data Access for investigators, bound by confidentiality agreements. Contact details: Kanagawa Physicians Association, 3-1 Fujimicho naka-ku, Yokohama city, Kanagawa prefecture, Japan; e-mail: k-taishi@xc4.so-net.ne.jp (correspondence to Kazuo Kobayashi, MD).

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Acknowledgements

We are grateful to all participants and acknowledge the support of the members of Kanagawa Physicians Association who participated in our study. We also thank medical doctors in Japan who took part in J-DOME study.

Funding

There is no funding regarding of this study.

Author information

Authors and Affiliations

  1. Committee of Hypertension and Kidney Disease, Kanagawa Physicians Association, Yokohama, Japan

    Kazuo Kobayashi, Keiichi Chin, Takayuki Furuki, Hiroyuki Sakai, Kazuyoshi Sato & Akira Kanamori

  2. Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, Kanagawa, Japan

    Kazuo Kobayashi & Kouichi Tamura

  3. Kobayashi Hospital, Odawara, Japan

    Nobuo Hatori

  4. Japan Medical Association, Tokyo, Japan

    Masaaki Miyakawa

  5. Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan

    Kei Asayama

  6. Japan Medical Association Research Institute, Tokyo, Japan

    Narumi Eguchi

  7. Katsuya Clinic, Hyogo, Japan

    Tomohiro Katsuya

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  1. Kazuo Kobayashi
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  2. Keiichi Chin
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  3. Nobuo Hatori
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  4. Takayuki Furuki
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  5. Hiroyuki Sakai
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  6. Masaaki Miyakawa
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  7. Kei Asayama
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  8. Narumi Eguchi
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  10. Kouichi Tamura
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  11. Kazuyoshi Sato
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  12. Akira Kanamori
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Correspondence to Kazuo Kobayashi.

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Kobayashi, K., Chin, K., Hatori, N. et al. Cross-sectional survey of hypertension management in clinical practice in Japan: the Kanagawa Hypertension Study 2021 conducted in collaboration with Japan Medical Association Database of Clinical Medicine. Hypertens Res 46, 2447–2459 (2023). https://doi.org/10.1038/s41440-023-01366-z

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