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Asuka Koyama

Biographic Data

ID1200156
NAMEAsuka Koyama
GIVEN NAMESAsuka
FAMILY NAMEKoyama
SIGNATUREKOYAMA A
AFFILIATIONSKindai University
ORCID0000-0003-3411-3313
VERIFIEDYes
TOTAL WORKS11
TOTAL CITATIONS5
AUTHOR COUNT11
EDITOR COUNT0
FIRST PUBLICATION YEAR2005
LATEST PUBLICATION YEAR2025
H-INDEX2
  • The impact of the prolonged Covid-19 pandemic on the practice of psychosomatic medicine in Japan

    Open Access•Yukari Yamanaka, Kazuhiro Yoshiuchi et al.•ARTICLE•BioPsychoSocial Medicine•2025

    BACKGROUND: The prolonged COVID-19 pandemic has significantly affected the clinical care and the mental health of patients in psychosomatic medicine. Between late 2021 and early 2022, the Japanese Society of Psychosomatic Medicine (JSPM) and the Japanese Society of Psychosomatic Internal Medicine (JSPIM) conducted a nationwide physician survey to assess these effects. The survey identified difficulties in outpatient and inpatient care, increased …

  • Investigating the impact of a novel movement behavior program for refugee youths in Canada

    Open Access•Taylor Rowe, Jeffrey D Graham et al.•ARTICLE•Frontiers in Sports and Active…•2025•References: 3

    Overall, the present study is encouraging, providing initial support for community-based programs to aid in the PL development among newcomer youths to Canada. Future trials with larger and more diverse samples of newcomers are needed to further demonstrate the efficacy of PL-based programs such as IPLAY

  • Interaction between Knowledge and Experience in Using Wild Edible Plants in Two Biosphere Reserves in Japan

    Open Access•Tomoyo F Koyanagi, Takuya Furukawa et al.•ARTICLE•Human Ecology•2025•References: 50

  • A nationwide questionnaire survey of physicians regarding the impact of the Covid-19 pandemic on patients and treatment system of psychosomatic medicine

    Open Access•Yukari Yamanaka, Kazuhiro Yoshiuchi et al.•ARTICLE•BioPsychoSocial Medicine•2023

    BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic has affected the treatment system of medical institutions across the world. Studies of the populations and patients have reported mental health problems caused by the pandemic. However, there are few large-scale studies that have examined the effects of the COVID-19 on diseases from the perspective of psychosomatic medicine. The purpose of this study was to examine changes made to the p…

  • Avoiding diagnostic errors in psychosomatic medicine

    Open Access•Asuka Koyama, Pélagie M Beeson et al.•ARTICLE•BioPsychoSocial Medicine•2018

    This study showed that multiple factors related to misdiagnoses were combined and had a mutual influence. However, they can be summarized into two important clinical observations, diagnostic system-related problems and provider issues. Provider issues contain mainly cognitive biases such as Anchoring, Availability, Confirmation bias, Delayed diagnosis, and Representativeness. In order to avoid diagnostic errors, both a diagnostic system approach …

  • The physical and psychological problems of immigrants to Japan who require psychosomatic care

    Open Access•Asuka Koyama, Hirokuni Okumi et al.•ARTICLE•BioPsychoSocial Medicine•2016

    BACKGROUND: As the number of immigrants to Japan increases, the health problems of foreign nationals also have an increasing impact on Japanese medical institutions. The aim of this study was to clarify the Japan-specific health problems related to both the physical and psychological symptoms of foreign nationals from the viewpoint of psychosomatic medicine. The second aim was to clarify the measures that should be taken in Japan and similar coun…

  • Gender differences in cancer-related distress in Japan

    Open Access•Asuka Koyama, Hiromichi Matsuoka et al.•ARTICLE•BioPsychoSocial Medicine•2016

    BACKGROUND: Cancer care is currently the most important medical issue in Japan. Total pain of cancer patients consists of a combination of four factors: physical, psychological, social distress, and spiritual pain. Previous studies showed female cancer patients ask for more psychological support and seem to suffer different types of distress compared with male patients, for example, appearance-related symptoms. However, other factors of cancer di…

  • Kampo medicine for palliative care in Japan

    Open Access•Hirokuni Okumi, Asuka Koyama et al.•ARTICLE•BioPsychoSocial Medicine•2014

    Kampo medicines are currently manufactured under strict quality controls. The Ministry of Health, Labour and Welfare of Japan has approved 148 Kampo formulas. There is increasing evidence for the efficacy of Kampo medicines, and some are used clinically for palliative care in Japan. The specific aim of this review is to evaluate the clinical use of Kampo medicines in palliative care in the treatment of cancer. The conclusions are as follows: Juze…

  • Lay Diagnoses and Views on Causes, Coping Strategies, and Treatment for Schizophrenia

    Open Access•Kanae Sawamura, Hisateru Tachimori et al.•ARTICLE•Community Mental Health Journal•2011•Cited by: 3•References: 12

  • Lifetime prevalence, psychiatric comorbidity and demographic correlates of “hikikomori” in a community population in Japan

    Open Access•Asuka Koyama, Yuko Miyake et al.•ARTICLE•Psychiatry Research•2010

  • Advanced Practice Clinicians'Interest in Providing Medical Abortion

    Open Access•Ann C Hwang, Asuka Koyama et al.•ARTICLE•Perspectives on Sexual and…•2005•Cited by: 2•References: 1

  • Lay Diagnoses and Views on Causes, Coping Strategies, and Treatment for Schizophrenia

    Open Access•Kanae Sawamura, Hisateru Tachimori et al.•ARTICLE•Community Mental Health Journal•2011•Cited by: 3•References: 12

  • Advanced Practice Clinicians'Interest in Providing Medical Abortion

    Open Access•Ann C Hwang, Asuka Koyama et al.•ARTICLE•Perspectives on Sexual and…•2005•Cited by: 2•References: 1

  • Advanced Practice Clinicians'Interest in Providing Medical Abortion

    Open Access•Ann C Hwang, Asuka Koyama et al.•ARTICLE•Perspectives on Sexual and…•2005•Cited by: 2•References: 1

  • Lifetime prevalence, psychiatric comorbidity and demographic correlates of “hikikomori” in a community population in Japan

    Open Access•Asuka Koyama, Yuko Miyake et al.•ARTICLE•Psychiatry Research•2010

  • Lay Diagnoses and Views on Causes, Coping Strategies, and Treatment for Schizophrenia

    Open Access•Kanae Sawamura, Hisateru Tachimori et al.•ARTICLE•Community Mental Health Journal•2011•Cited by: 3•References: 12

  • Kampo medicine for palliative care in Japan

    Open Access•Hirokuni Okumi, Asuka Koyama et al.•ARTICLE•BioPsychoSocial Medicine•2014

    Kampo medicines are currently manufactured under strict quality controls. The Ministry of Health, Labour and Welfare of Japan has approved 148 Kampo formulas. There is increasing evidence for the efficacy of Kampo medicines, and some are used clinically for palliative care in Japan. The specific aim of this review is to evaluate the clinical use of Kampo medicines in palliative care in the treatment of cancer. The conclusions are as follows: Juze…

  • The physical and psychological problems of immigrants to Japan who require psychosomatic care

    Open Access•Asuka Koyama, Hirokuni Okumi et al.•ARTICLE•BioPsychoSocial Medicine•2016

    BACKGROUND: As the number of immigrants to Japan increases, the health problems of foreign nationals also have an increasing impact on Japanese medical institutions. The aim of this study was to clarify the Japan-specific health problems related to both the physical and psychological symptoms of foreign nationals from the viewpoint of psychosomatic medicine. The second aim was to clarify the measures that should be taken in Japan and similar coun…

  • Gender differences in cancer-related distress in Japan

    Open Access•Asuka Koyama, Hiromichi Matsuoka et al.•ARTICLE•BioPsychoSocial Medicine•2016

    BACKGROUND: Cancer care is currently the most important medical issue in Japan. Total pain of cancer patients consists of a combination of four factors: physical, psychological, social distress, and spiritual pain. Previous studies showed female cancer patients ask for more psychological support and seem to suffer different types of distress compared with male patients, for example, appearance-related symptoms. However, other factors of cancer di…

  • Avoiding diagnostic errors in psychosomatic medicine

    Open Access•Asuka Koyama, Pélagie M Beeson et al.•ARTICLE•BioPsychoSocial Medicine•2018

    This study showed that multiple factors related to misdiagnoses were combined and had a mutual influence. However, they can be summarized into two important clinical observations, diagnostic system-related problems and provider issues. Provider issues contain mainly cognitive biases such as Anchoring, Availability, Confirmation bias, Delayed diagnosis, and Representativeness. In order to avoid diagnostic errors, both a diagnostic system approach …

  • A nationwide questionnaire survey of physicians regarding the impact of the Covid-19 pandemic on patients and treatment system of psychosomatic medicine

    Open Access•Yukari Yamanaka, Kazuhiro Yoshiuchi et al.•ARTICLE•BioPsychoSocial Medicine•2023

    BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic has affected the treatment system of medical institutions across the world. Studies of the populations and patients have reported mental health problems caused by the pandemic. However, there are few large-scale studies that have examined the effects of the COVID-19 on diseases from the perspective of psychosomatic medicine. The purpose of this study was to examine changes made to the p…

  • The impact of the prolonged Covid-19 pandemic on the practice of psychosomatic medicine in Japan

    Open Access•Yukari Yamanaka, Kazuhiro Yoshiuchi et al.•ARTICLE•BioPsychoSocial Medicine•2025

    BACKGROUND: The prolonged COVID-19 pandemic has significantly affected the clinical care and the mental health of patients in psychosomatic medicine. Between late 2021 and early 2022, the Japanese Society of Psychosomatic Medicine (JSPM) and the Japanese Society of Psychosomatic Internal Medicine (JSPIM) conducted a nationwide physician survey to assess these effects. The survey identified difficulties in outpatient and inpatient care, increased …

  • Investigating the impact of a novel movement behavior program for refugee youths in Canada

    Open Access•Taylor Rowe, Jeffrey D Graham et al.•ARTICLE•Frontiers in Sports and Active…•2025•References: 3

    Overall, the present study is encouraging, providing initial support for community-based programs to aid in the PL development among newcomer youths to Canada. Future trials with larger and more diverse samples of newcomers are needed to further demonstrate the efficacy of PL-based programs such as IPLAY

  • Interaction between Knowledge and Experience in Using Wild Edible Plants in Two Biosphere Reserves in Japan

    Open Access•Tomoyo F Koyanagi, Takuya Furukawa et al.•ARTICLE•Human Ecology•2025•References: 50

Medicine (8 works) · Psychiatry (7 works) · Family medicine (5 works) · Psychosomatic medicine (4 works) · Anxiety (3 works) · Internal Medicine (3 works) · Psychology (3 works) · Alternative medicine (2 works) · Clinical Psychology (2 works) · COVID-19 and Mental Health (2 works)

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