Conventional and Kampo Medicine Treatment for Mild-to-moderate COVID-19: A Multicenter, Retrospective, Observational Study by the Integrative Management in Japan for Epidemic Disease (IMJEDI Study-observation)

  • Takayama Shin
    Department of Education and Support for Regional Medicine (General and Kampo Medicine), Tohoku University Hospital, Japan
  • Yoshino Tetsuhiro
    Center for Kampo Medicine, Keio University School of Medicine, Japan
  • Koizumi Sayaka
    Department of Internal Medicine, Kamitsuga General Hospital, Japan
  • Irie Yasuhito
    Department of Emergency and Critical Care Medicine, Akita University Graduate School of Medicine, Japan
  • Suzuki Tomoko
    Department of General Medicine, Saitama Medical University Hospital, Japan
  • Fujii Susumu
    Department of Cardiovascular Surgery, Ogikubo Hospital, Japan
  • Katori Rie
    Association of Medical Corporation Riseijinkai Katori Clinic, Japan
  • Kainuma Mosaburo
    Department of Japanese Oriental Medicine, Toyama University Hospital, Japan
  • Kobayashi Seiichi
    Department of Respiratory Medicine, Japanese Red Cross Ishinomaki Hospital, Japan
  • Nogami Tatsuya
    Department of Kampo Medicine, Tokai University, School of Medicine, Japan
  • Yokota Kenichi
    Department of Surgery, Department of Respiratory Medicine, Kesennuma City Hospital, Japan
  • Yamazaki Mayuko
    Department of Kampo and Nephrology, Saiseikai Kurihashi Hospital, Japan
  • Minakawa Satoko
    Department of Clinical Laboratory, Hirosaki University Hospital, Japan
  • Chiba Shigeki
    Department of Surgery, Department of Respiratory Medicine, Kesennuma City Hospital, Japan
  • Suda Norio
    Department of Internal Medicine and Kampo Medicine, Suda Medical Clinic, Japan
  • Nakada Yoshinobu
    Department of Internal Medicine, Shonan Hospital, Japan
  • Ishige Tatsuya
    Oriental Medicine Research Center, Kitasato University, Japan
  • Maehara Hirofumi
    Department of Otorhinolaryngology, Ekota Maehara Clinic, Japan
  • Tanaka Yutaka
    Department of Kampo Medicine, Hyogo Prefectural Amagasaki General Medical Center, Japan
  • Nagase Mahiko
    Kichijyoji Traditional Chinese Medicine Clinic, Japan
  • Kashio Akihiko
    Kyuden Family Clinic, Japan
  • Komatsu Kazuhisa
    Komatsu Surgery Internal Medicine Clinic, Japan
  • Nojiri Makoto
    Shirakawa Hospital, Japan
  • Shimooki Osamu
    Iwate Medical University Hospital, Iwate Medical University Uchimaru Medical Center, Japan
  • Nakamoto Kayo
    Japan Traditional Chinese Medical Foundation of Osaka, Japan
  • Arita Ryutaro
    Department of Education and Support for Regional Medicine (General and Kampo Medicine), Tohoku University Hospital, Japan
  • Ono Rie
    Department of Education and Support for Regional Medicine (General and Kampo Medicine), Tohoku University Hospital, Japan
  • Saito Natsumi
    Department of Education and Support for Regional Medicine (General and Kampo Medicine), Tohoku University Hospital, Japan
  • Kikuchi Akiko
    Department of Education and Support for Regional Medicine (General and Kampo Medicine), Tohoku University Hospital, Japan
  • Ohsawa Minoru
    Department of Education and Support for Regional Medicine (General and Kampo Medicine), Tohoku University Hospital, Japan
  • Nakae Hajime
    Department of Emergency and Critical Care Medicine, Akita University Graduate School of Medicine, Japan
  • Mitsuma Tadamichi
    Department of Kampo Medicine, Aizu Medical Center, Fukushima Medical University, Japan
  • Mimura Masaru
    Center for Kampo Medicine, Keio University School of Medicine, Japan Department of Neuropsychiatry, Keio University School of Medicine, Japan
  • Ishii Tadashi
    Department of Education and Support for Regional Medicine (General and Kampo Medicine), Tohoku University Hospital, Japan
  • Nochioka Kotaro
    Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Japan
  • Chiu Shih-Wei
    Division of Biostatistics, Tohoku University Graduate School of Medicine, Japan
  • Yamaguchi Takuhiro
    Division of Biostatistics, Tohoku University Graduate School of Medicine, Japan
  • Namiki Takao
    Department of Japanese-Oriental (Kampo) Medicine, Graduate School of Medicine, Chiba University, Japan
  • Hisanaga Akito
    Hospital Bando, Japan
  • Mitani Kazuo
    Medical Corporation Mitani Family Clinic, Japan
  • Ito Takashi
    Akashi Clinic Kanda, Japan

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説明

<p>Objective Patients in whom coronavirus disease 2019 (COVID-19) was suspected or confirmed between January 1, 2020, and October 31, 2021, were enrolled from Japanese hospitals in this multicenter, retrospective, observational study. </p><p>Methods Data on the treatment administered (including conventional and Kampo medicine) and changes in common cold-like symptoms (such as fever, cough, sputum, dyspnea, fatigue, and diarrhea) were collected from their medical records. The primary outcome was the number of days without a fever (with a body temperature <37°C). The secondary outcomes were symptomatic relief and the worsening of illness, defined as the presence of a condition requiring oxygen inhalation. The outcomes of patients treated with and without Kampo medicine were compared. </p><p>Patients We enrolled 962 patients, among whom 528 received conventional and Kampo treatment (Kampo group) and 434 received conventional treatment (non-Kampo group). </p><p>Results Overall, after adjusting for the staging of COVID-19 and risk factors, there were no significant between-group differences in the symptoms or number of days being afebrile. After performing propensity score matching and restricting the included cases to those with confirmed COVID-19 who did not receive steroid administration and initiated treatment within 4 days from the onset, the risk of illness worsening was significantly lower in the Kampo group than in the non-Kampo group (odds ratio=0.113, 95% confidence interval: 0.014-0.928, p=0.0424). </p><p>Conclusion Early Kampo treatment may suppress illness worsening risk in COVID-19 cases without steroid use. Further randomized controlled studies are needed to confirm the clinical benefit of Kampo medicine for COVID-19. </p>

収録刊行物

  • Internal Medicine

    Internal Medicine 62 (2), 187-199, 2023-01-15

    一般社団法人 日本内科学会

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