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Fingerprint Dive into the research topics where Toshihiro Koyama is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 5 Similar Profiles
Mesenteric Arteries Medicine & Life Sciences
Vasoconstriction Medicine & Life Sciences
Vasodilation Medicine & Life Sciences
Blood Vessels Medicine & Life Sciences
Japan Medicine & Life Sciences
Pharmacists Medicine & Life Sciences
Adrenergic Agents Medicine & Life Sciences
Endothelium Medicine & Life Sciences

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 2006 2020

  • 282 Citations
  • 10 h-Index
  • 40 Article
  • 1 Editorial
  • 1 Letter
  • 1 Review article
Retrospective Studies
Anti-Bacterial Agents
1 Citation (Scopus)

Association between rapid antigen detection tests and antibiotics for acute pharyngitis in Japan: A retrospective observational study

Teratani, Y., Hagiya, H., Koyama, T., Ohshima, A., Zamami, Y., Tatebe, Y., Tasaka, K., Shinomiya, K., Kitamura, Y., Sendo, T., Hinotsu, S. & Kano, M. R., Jan 1 2019, (Accepted/In press) In : Journal of Infection and Chemotherapy.

Research output: Contribution to journalArticle

Observational Studies
Retrospective Studies
Anti-Bacterial Agents
1 Citation (Scopus)

Factors Associated with Immune Checkpoint Inhibitor-Related Myocarditis

Zamami, Y., Niimura, T., Okada, N., Koyama, T., Fukushima, K., Izawa-Ishizawa, Y. & Ishizawa, K., Jan 1 2019, (Accepted/In press) In : JAMA Oncology.

Research output: Contribution to journalLetter


Fall-related mortality trends in older Japanese adults aged ≥65 years: A nationwide observational study

Hagiya, H., Koyama, T., Zamami, Y., Tatebe, Y., Funahashi, T., Shinomiya, K., Kitamura, Y., Hinotsu, S., Sendo, T., Rakugi, H. & Kano, M. R., Dec 11 2019, In : BMJ Open. 9, 12, e033462.

Research output: Contribution to journalArticle

Open Access
Observational Studies
Public Health

Oral anticoagulants usage in Japanese patients aged 18-74 years with non-valvular atrial fibrillation: a retrospective analysis based on insurance claims data

Ohshima, A., Koyama, T., Ogawa, A., Zamami, Y., Tanaka, H. Y., Kitamura, Y., Sendo, T., Hinotsu, S., Miller, M. W. & Kano, M. R., Nov 18 2019, In : Family practice. 36, 6, p. 685-692 8 p.

Research output: Contribution to journalArticle

Atrial Fibrillation