All Stories

  1. Characteristics and Outcomes of Pediatric COVID-19 Patients in Osaka, Japan

    Article • International Journal of Environmental Research and Public Health, May 2021, MDPI AG

    Yusuke Katayama

  2. Incidence and mortality of patients transported by ambulance during the first surge of the COVID-19 pandemic in Osaka Prefecture, Japan

    Article • February 2021, Research Square

    Yusuke Katayama

  3. Profile of self-triage with a cellphone app for pediatric emergency patients: A population-based study in Japan (Preprint)

    Article • JMIR Pediatrics and Parenting, January 2021, JMIR Publications Inc.

    Yusuke Katayama, Dr Masahiro Ojima

  4. Profile of self-triage with a cellphone app for pediatric emergency patients: A population-based study in Japan (Preprint)

    Article • January 2021, JMIR Publications Inc.

    Yusuke Katayama, Dr Masahiro Ojima

  5. Effect of fluid administration on scene to traffic accident patients by EMS personnel: a propensity score-matched study using population-based ambulance records and nationwide trauma registry in Japan

    Article • European Journal of Trauma and Emergency Surgery, January 2021, Springer Science + Business Media

    Yusuke Katayama

  6. G20 Summit and emergency medical services in Osaka, Japan

    Article • Acute Medicine & Surgery, January 2021, Wiley

    Yusuke Katayama

  7. Profile of Patients with Novel Coronavirus Disease 2019 (COVID-19) in Osaka Prefecture, Japan: A Population-Based Descriptive Study

    Article • Journal of Clinical Medicine, September 2020, MDPI AG

    Yusuke Katayama

  8. Factors Associated with Prolonged Hospitalization Among Patients Transported by Emergency Medical Services: A Population-based Study in Osaka, Japan

    Article • August 2020, Research Square

    Yusuke Katayama

  9. The relationship between seasonal influenza and telephone triage for fever: A population-based study in Osaka, Japan

    Article • PLoS ONE, August 2020, PLOS

    Yusuke Katayama

  10. Gender disparities in the application of public-access AED pads among OHCA patients in public locations

    Article • Resuscitation, May 2020, Elsevier

    Yusuke Katayama

  11. Influence of the COVID‐19 pandemic on an emergency medical service system: a population‐based, descriptive study in Osaka, Japan

    Article • Acute Medicine & Surgery, January 2020, Wiley

    Yusuke Katayama

  12. A follow‐up report on the effect of a simplified basic life support training program for non‐medical staff working at a university hospital: changes in attitude toward cardiopulmonary resuscitation and automated external defibrillator use through repea...

    Article • Acute Medicine & Surgery, January 2020, Wiley

    Yusuke Katayama

  13. Epidemiological profile of emergency medical services in Japan: a population‐based descriptive study in 2016

    Article • Acute Medicine & Surgery, January 2020, Wiley

    Yusuke Katayama

  14. Characteristics and outcome of patients triaged by telephone and transported by ambulance: a population‐based study in Osaka, Japan

    Article • Acute Medicine & Surgery, January 2020, Wiley

    Yusuke Katayama

  15. Factors associated with posttraumatic meningitis among traumatic head injury patients: a nationwide study in Japan

    Article • European Journal of Trauma and Emergency Surgery, September 2019, Springer Science + Business Media

    Yusuke Katayama

  16. Prehospital characteristics, incidence trends, and outcome of emergency self‐inflicted injury patients with gas substances: a population‐based descriptive study in Osaka, Japan

    Article • Acute Medicine & Surgery, August 2019, Wiley

    Yusuke Katayama

  17. The relationship between seasonal influenza and telephone triage for fever: A population-based study in Osaka, Japan

    Article • August 2019, Research Square

    Yusuke Katayama

  18. Pelvic angiography is effective for emergency pediatric patients with pelvic fractures: a propensity-score-matching study with a nationwide trauma registry in Japan

    Article • European Journal of Trauma and Emergency Surgery, May 2019, Springer Science + Business Media

    Yusuke Katayama

  19. Prehospital factors associated with death on hospital arrival after traffic crash in Japan: a national observational study

    Article • BMJ Open, January 2019, BMJ

    Yusuke Katayama

  20. Profile of the ORION (Osaka emergency information Research Intelligent Operation Network system) between 2015 and 2016 in Osaka, Japan: a population-based registry of emergency patients with both ambulance and in-hospital records

    Article • Acute Medicine & Surgery, September 2018, Wiley

    Yusuke Katayama

  21. Delay of computed tomography is associated with poor outcome in patients with blunt traumatic aortic injury

    Article • Medicine, August 2018, Wolters Kluwer Health

    Yusuke Katayama

  22. Improvements in Patient Acceptance by Hospitals Following the Introduction of a Smartphone App for the Emergency Medical Service System: A Population-Based Before-and-After Observational Study in Osaka City, Japan

    Article • JMIR mhealth and uhealth, September 2017, JMIR Publications Inc.

    Yusuke Katayama

  23. Factors associated with prehospital death among traffic accident patients in Osaka City, Japan: A population-based study

    Article • Traffic Injury Prevention, June 2017, Taylor & Francis

    Yusuke Katayama

  24. Factors associated with the difficulty in hospital acceptance among elderly emergency patients: A population-based study in Osaka City, Japan

    Article • Geriatrics and Gerontology International, June 2017, Wiley

    Yusuke Katayama

  25. Evaluation of factors associated with the difficulty in finding receiving hospitals for traffic accident patients at the scene treated by emergency medical services: a population-based study in Osaka City, Japan

    Article • Acute Medicine & Surgery, June 2017, Wiley

    Yusuke Katayama

  26. Factors associated with the difficulty in hospital acceptance at the scene by emergency medical service personnel: a population-based study in Osaka City, Japan

    Article • BMJ Open, October 2016, BMJ

    Yusuke Katayama