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Affiliation |
Faculty of Medicine School of Medicine Department of General Medical Science |
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Professor |
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Related SDGs |
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SADOHARA Michito
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Papers 【 display / non-display 】
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Burnout in Japanese Internists and Primary Care Physicians in 2024: The Prevalence and Risk Factors Using Structural Equation Modeling International coauthorship
Shikino Kiyoshi, Kuriyama Akira, Sadohara Michito, Fukuzawa Fumitoshi, Ishizuka Kosuke, Shimura Hanae, Nonaka Saori, Yamamoto Noriko, Nishimura Yoshito, Moriya Mitsuru, on behalf of Japan Physicians Well-being 2024 Study Group
Internal Medicine 64 ( 23 ) 3349 - 3353 2025.12
Language：English Publishing type：Research paper (scientific journal) Publisher：The Japanese Society of Internal Medicine
<b>Objective </b>To investigate the prevalence of burnout and identify its associated risk factors using structural equation modeling (SEM). <b>Patients </b>A cross-sectional web-based survey targeting members of the American College of Physicians Japan Chapter (ACP-JC) was conducted in March 2024. The survey included the Mini Z 2.0 for burnout assessment, Emotional Vulnerability Scale, and Japanese version of the Brief Resilience Scale (BRS-J). Descriptive statistics were used to analyze the demographic and workplace characteristics, and SEM with maximum likelihood estimation was employed to explore the relationships between resilience, emotional vulnerability, teamwork, and burnout. <b>Results </b>Of the 1,066 invited physicians, 103 (9.7%) responded to the survey. Burnout symptoms were reported by 26.2% of the participants. An SEM analysis indicated significant negative associations between resilience (standardized coefficient: -0.29, p=0.007), teamwork (standardized coefficient: -0.32, p<0.001), and burnout, whereas emotional vulnerability showed no significant associations (standardized coefficient: 0.05, p=0.630). <b>Conclusion </b>Approximately one in four Japanese internists and primary care physicians reported burnout symptoms. Resilience and teamwork have emerged as key protective factors, thus underscoring the importance of fostering supportive workplace environments. Therefore, interventions to enhance resilience and strengthen workplace support systems are recommended to mitigate burnout.
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Inverse Gottron's Sign in a Patient with Dermatomyositis
Hiraga Madoka, Matsui Kunihiko, Sadohara Michito
Internal Medicine 62 ( 22 ) 3427 - 3428 2023.11
Authorship：Corresponding author Language：English Publishing type：Case report Publisher：The Japanese Society of Internal Medicine
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Work-related stress and coping methods of internists and primary care physicians during the COVID-19 pandemic in Japan: A mixed-method study Reviewed International coauthorship
Shikino K., Kuriyama A., Sadohara M., Matsuo T., Nagasaki K., Nishimura Y., Nonaka S., Izumiya M., Moriya M., Ohtake Y., Makiishi T.
Journal of General and Family Medicine 23 ( 5 ) 327 - 335 2022.9
Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of General and Family Medicine
Background: The COVID-19 pandemic has affected the mental health of health care workers. This study aimed to investigate the stress factors that cause burnout in Japanese physicians and their coping methods during the COVID-19 pandemic. Methods: We conducted a sequential explanatory mixed-method study to investigate the psychological responses of physicians in the early stages of the pandemic. A cross-sectional, web-based, anonymous survey was conducted among members of the American College of Physicians Japan Chapter to quantitatively investigate the stress factors and prevalence of burnout. An open-ended questionnaire with questions about stress factors and coping methods was additionally administered. The qualitative data were analyzed using qualitative content analysis. Results: Among the 1173 physicians surveyed, 214 (18.2%) responded. Among the participants, 107 (50.0%) responded “yes” to the question “I feel or have felt very stressed at work during the COVID-19 pandemic,” and 68 (31.8%) reported burnout symptoms. Those who reported feeling stress (117 respondents) were asked to select 12 items of the stress factors related to COVID-19. The most significant stress factor related to COVID-19 was “Perceived risk of spreading COVID-19 to family members” (n = 47). Content analysis identified 12 categories for the stress factors and 7 for stress-coping methods corresponding to COVID-19 (Cohen's kappa = 0.84 and 0.95, respectively). Conclusion: Several distinct stressors existed during the COVID-19 pandemic, which might be related to burnout among physicians. Practicing stress-coping strategies, as identified in the present study, may help reduce work-related stress and prevent burnout.
DOI： 10.1002/jgf2.560
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Prevalence of Burnout among Internal Medicine and Primary Care Physicians before and during the COVID-19 Pandemic in Japan International coauthorship
Nonaka Saori, Makiishi Tetsuya, Nishimura Yoshito, Nagasaki Kazuya, Kuriyama Akira, Izumiya Masashi, Shikino Kiyoshi, Sadohara Michito, Moriya Mitsuru, Ohtake Yoichi
Internal Medicine 61 ( 5 ) 647 - 651 2022.3
Language：English Publishing type：Research paper (scientific journal) Publisher：The Japanese Society of Internal Medicine
<b>Objective </b>To evaluate the change in the prevalence of burnout during the COVID-19 pandemic among internists and primary care physicians in Japan, and to identify factors associated with the exacerbation of burnout among these populations during this period. <b>Methods </b>This was a cross-sectional study based on two web-based surveys conducted in January 2020 (before the declaration of the COVID-19 pandemic) and June 2020 (during the pandemic). The participants were internists and primary care physicians of the Japanese Chapter of the American College of Physicians. The main outcome was the change in the prevalence of burnout between before and during the "first wave" of the pandemic. We also examined factors associated with the exacerbation of burnout during this period. <b>Results </b>Among the 283 respondents in the first survey and 322 in the second survey, 98 (34.6%) and 111 (34.5%) reported symptoms of burnout, respectively. In June 2020, 82 respondents (25.5%) reported that their level of burnout exacerbated compared to January 2020. Only the experience of self-quarantine was associated with the exacerbation of burnout [odds ratio (OR) 3.12; 95% confidence interval (CI) 1.49-6.50; p=0.002], while being a woman, being a resident physician, and an experience of having worked in a prefecture under a state of emergency were not. <b>Conclusions </b>No marked change in the prevalence of burnout among internists and primary care physicians in Japan was observed during the COVID-19 pandemic as a whole. However, self-quarantine was associated with the exacerbation of the burnout level.
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"Abbreviation Arrangement" Syndromes, i.e., Names and Natures Do Often Disagree Invited
Sadohara Michito
JMA Journal 5 ( 1 ) 132 - 134 2022.1
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：Japan Medical Association / The Japanese Associaiton of Medical Sciences
MISC 【 display / non-display 】
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研究公正にかかる事例検討 Reviewed
榊原 史啓, 植田 真一郎, 松井 邦彦, 佐土原 道人, 東恩納 美樹, 作間 未織, 根津 麻里, 芳川 裕亮, 森本 剛
日本臨床薬理学会学術総会抄録集 46 ( 0 ) 196 2025
Language：Japanese Publishing type：Meeting report Publisher：一般社団法人 日本臨床薬理学会
【目的】 本セッションでは、学会参加者から実際の臨床研究で遭遇したグレーゾーンな実例を収集し、それに対してディスカッションを行うことで、研究公正や研究倫理に対する考え方を身につけ、更なる学修のモチベーションを高める機会を提供することを目的とする。 【事前準備】 参加者は、Microsoft Formsを用いてアンケートに入力する。 回答可能期間：11月29日（土）から12月5日（金） 入力サイト： https://forms.office.com/Pages/ResponsePage.aspx?id=Ks1epblFRUSMbDdbgemffxnPsYrOV1RMrVm41zA3UCNUNDVHR00wMUpURUZSTFM0QVNDQ01IVUJETS4u 【検討したい事例】 データ収集関連、オーサーシップ関連、個人情報保護関連など、臨床研究に関わるなかで不安や懸念を感じた事例（もやもやを感じたこと、気になっていること等）について検討する。 【当日の流れ】 参加者を数名ずつのグループに分ける。 （事前準備で集められた事例が多い場合） 20分：集められた事例を共有し、その中の1~2例を選んでグループ内でディスカッションする。 20分：各グループでのディスカッションの内容を、全体で共有する。 （事前準備で集められた事例が少ない場合） 20分：グループ内で事例を提示、共有する。 20分：各グループで提示された事例を、全体で共有する。 【期待される成果】 従来の研究公正の教材では扱われなかった、日常の臨床研究の中で遭遇する潜在的な研究公正や研究倫理に関わる事態を明示化することで、今後のより適切な研究環境や教育の構築につながる。
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A proposal for coping strategies on burnout among Japanese resident physicians Reviewed International coauthorship
Ishizuka K., Shikino K., Kuriyama A., Nishimura Y., Tanaka E., Nonaka S., Sadohara M., Moriya M., Yamamoto N., Wada Y., Makiishi T.
Journal of General and Family Medicine 25 ( 1 ) 83 - 84 2024.1
Language：English Publishing type：Rapid communication, short report, research note, etc. (scientific journal)
DOI： 10.1002/jgf2.662
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Tanaka E., Nishimura Y., Kuriyama A., Shikino K., Nonaka S., Ishizuka K., Sadohara M., Muramatsu K., Makiishi T.
Asian Journal of Psychiatry 87 103689 2023.9
Language：English Publishing type：Rapid communication, short report, research note, etc. (scientific journal) Publisher：Asian Journal of Psychiatry
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Kuriyama A., Shikino K., Moriya M., Sadohara M., Nonaka S., Nagasaki K., Nishimura Y., Matsuo T., Muramatsu K., Makiishi T.
Asian Journal of Psychiatry 68 102956 2022.2
Language：English Publishing type：Rapid communication, short report, research note, etc. (scientific journal) Publisher：Asian Journal of Psychiatry
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臨床研究トレーニングに組み入れられた能動的研究倫理学習プログラムを経験して Reviewed
佐土原 道人
日本臨床薬理学会学術総会抄録集 42 ( 0 ) 2-S20-2 2021
Language：Japanese Publishing type：Meeting report Publisher：一般社団法人 日本臨床薬理学会
【はじめに】報告者の所属する熊本大学病院地域医療・総合診療実践学寄附講座では、2019年に２日間の臨床研究のワークショップ（兵庫医科大学臨床疫学共催）を開催した。その中で、A M E D（日本医療研究開発機構）の教材である「事例から学ぶ公正な研究活動」の冊子の紹介があった。報告者は、さらに、2020年に他の同様のワークショップでもこの教材を使用したディスカッションを経験した。その後、2021年3月の総合診療科の開講で大学院生の受け入れが可能となった際に、臨床研究のスキルアップと研究へのモチベーションの向上のために、「研究倫理ワークショップ～臨床医のアカデミックな活動で気をつけておきたい研究公正・研究倫理を考えよう～」を企画・開催した。【開催とその結果】臨床研究トレーニングに組み入れ可能な能動的研究倫理学習プログラムに準拠して計画。新型コロナウイルス流行第５波の渦中であったので、zoomを使用したオンラインの開催とした。１時間30分で開催し、内容は、研究公正についてのレクチャー、２グループで２シナリオについてのディスカッションを行い、発表と共有、解説、質疑応答を行った。合計12名の参加があった。アンケートでは、２／３の参加者が研究公正や研究倫理の教育を受けていた。そのうち、このディスカッション形式で受講したものはいなかった。ワークショップの内容も全員が、ある程度以上役に立ったと答えており、今後の臨床研修に対する意識も変わったと回答していた。半数が同様のワークショップを自施設で実施したいと回答があった。【感想など】オンラインでの開催であったが、使用するシナリオや資料の事前配布で参加者の理解度は高く、グループワークでの参加度合いも高かった。大学院での授業や大学病院の倫理講習会の受講に比べ、このようなディスカッションによる能動的学習の方が、自らが取り組む臨床研修に当事者意識を持って、研究公正や研究倫理の諸問題を考え、対応できる能力の開発につながるものと考えられた。報告者の感想としては、参加した時よりも企画・運営をした時の方が、学びが多かった。このパッケージ化された学習プログラムの実施を、参加者が自施設で行うことで、さらなる普及につながるものと考えられた。一方で、これらの問題に感受性のない医師に対する啓発活動と参加を促す仕組みの構築が課題として考えられた。