Specialty

Health Information Management

Works

Research reports

1 Nishio A, Tsuji M, Hoshi Kata H. Literature Review on Patient Survey. Health , Labour and Welfare Sciences Research Grants Policy Science Synthesis Research. Research contributing to the establishment of efficient methods for conducting patient surveys.(PI: Hoshi K. 21AB1001) Report on Health Labor Science Research Grant 2022. p.15-22

2 Nishio A, Hoshi K, Kimura E, Sato Y, Tashiro T, Yamakami H, et al. Health, Labor and Welfare Sciences Research Grants Policy Science Synthesis Research. Investigating the efficiency of ICD coding of patient survey principal injury/illness names using ICT tools. (PI: Hoshi K. 21AB1001) Report on Health Labor Science Research Grant 2022. p.64-81.

3 Otaga M, Kimura E, Sato Y, Matsuda A, Yamaguchi K, Hoshi K, Nishio A, Shibayama S. Development of a Regional Clinical Pathway Utilizing the Characteristics of ICD-11 and Evaluation of Its Implementation Effects. Final Research Report for FY2025. Principal Investigator: Otaga M. Grant-in-Aid for Scientific Research (No. 23K17447). 2026.

Original papers

1 Nishio A, Kimura E, Seto R, Sato Y, Hoshi K, Mizushima H, et al. [Assessment of Consistency in the 11th Revision of the International Statistical Classification of Diseases and related health problems (ICD-11) field trial coding results.］Journal of the National Institute of Public Health. 2021;70(3):306-314. (in Japanese)

2 Matsuda A, Nishio A, Suzuki A, Hoshi K, Nakano T, Yamamoto Y. Impact of regional medical network systems on emergency transport time for older patients in Japan: a retrospective observational study. BMC Emerg Med. 2025 Oct 10;25(1):204.

Reviews

1 Nishio A, Seto R. [Research Trends in Health Information Management Departments in “”Health Information Management””‐Text Mining using a Literature‐.] Health Information Management. 2021;33(2):50-54. (in Japanese)

2 Takahashi A, Watari M, Hoshi K, Nishio A, Sato Y. Bridging statistics and clinical reality: A strategic proposal for ICD-11 implementation in Japan. Journal of the National Institute of Public Health. 2026;75(1): 36-41.

Conference presentations

1 Yamamoto T, Nakano T, Suzuki A, Nishio A, Hoshi K, Matsuda A. Effectiveness and Evaluation of a Regional Healthcare Network System. Presented at the 62nd Annual Meeting of the Japan Diabetes Society, Kanto-Koshinetsu Regional Branch; February 8–9, 2025; Utsunomiya, Japan. Program and Abstract Book, p. 94.

2 Yamamoto T, Nakano T, Suzuki A, Hoshi K, Matsuda A, Nishio A, et al. Effectiveness and Evaluation of a Regional Healthcare Network System for Patients with Diabetes Mellitus. Presented at the 68th Annual Meeting of the Japan Diabetes Society; May 31, 2025; Okayama, Japan. Diabetology International. 2025;68(Suppl.).

3 Nishio A, Hoshi K, Sato Y, Kimura E, Takahashi A, Abe K, et al. Development of an ICT tool for large-scale ICD coding of principal diagnosis data in medical records at national hospitals in Japan; WHOFIC Network Annual Meeting; 2025.10.13-18; poster num.325.

4 Takahashi A, Hoshi K, Nishio A, Watari M, Sato Y. Risk-Focused Assessment of Untuned Generative AI for ICD-11 Code Assignment: Feasibility and Cautionary Findings.　WHO-FIC Network Annual Meeting 2025. 10.13-18; poster num. 332.

5 Hoshi K, Nishio A, Takahashi A, Watari M, Abe K, Sato Y. Proportion of inter-coder agreement in ICHI coding of Japanese cancer screening methods; WHOFIC Network Annual Meeting; 2025.10.13-18; poster num. 507.

6 Hoshi K, Shimasaki A, Nishio A, Matsuda A, Sato Y. Mapping of dysphagia patient assessment results from acute care hospitals’ records to LIFE data; The 36th Annual Scientific Meeting of the Japan Epidemiological Association & The 3rd Joint Scientific Meeting with the IEA Western Pacific Region； 2026.1.28-30.; Nagasaki; poster num. P.1039.

7 Nishio A, Yamamoto Y, Suzuki A, Hoshi K, Matsuda A, et al. Utilization of Personal Health Records in Community Healthcare; The 36th Annual Scientific Meeting of the Japan Epidemiological Association & The 3rd Joint Scientific Meeting with the IEA Western Pacific Region； 2026.1.29; Nagasaki; poster num. P.1110.

8 Matsuda A, Nishio A, Suzuki A, Hoshi K, Nakano T, Yamamoto T. Impact of Regional Healthcare Network System Utilization on Emergency Transport Time Among Older Patients. Presented at the 84th Annual Meeting of the Japanese Society of Public Health; October 29–31, 2025; Shizuoka, Japan. Abstract Book of the 84th Annual Meeting of the Japanese Society of Public Health. p. 813.

9 Hoshi K, Nishio A, Takahashi A, Abe K, Watanabe M, Sato Y. Inter-Coder Agreement and Challenges in ICHI Coding of Cancer Screening Procedures. Presented at the 84th Annual Meeting of the Japanese Society of Public Health; October 29–31, 2025; Shizuoka, Japan. Program and Abstract Book, p. 565.

10 Hoshi K, Shimizu S, Sato Y, Matsuda A, Nishio A, Takahashi A, et al. Current Status and Challenges of Authentication Management Lifecycles for Efficient Research Data Sharing on a Project Basis. Presented at the 45th Joint Conference on Medical Informatics (26th Annual Meeting of the Japan Association for Medical Informatics); November 12–15, 2025; Himeji, Japan. Proceedings of the 45th Joint Conference on Medical Informatics. Journal of Medical Informatics. 2025;45(Suppl.):1641–1643.

11 Shimizu S, Hoshi K, Nishio A, Sato Y, Miyazawa H, Umezawa A. Proposal of an ID Issuance and Federated Authentication Framework to Support Reliable Identity Verification: Implementation Using e-Rad and Orthros and Its Potential Applications. Presented at the 45th Joint Conference on Medical Informatics (26th Annual Meeting of the Japan Association for Medical Informatics); November 12–15, 2025; Himeji, Japan. Proceedings of the 45th Joint Conference on Medical Informatics. Journal of Medical Informatics. 2025;45(Suppl.):540–541.

12 Suzuki A, Yamamoto T, Nishio A, Hoshi K, Nakano T, Matsuda A. From Practice to Research in Regional Healthcare Information Networks: The Experience of “Tonetto” and Pathways for Data Utilization. Presented at the 4th Annual Meeting of the Health Data Science Society; November 29–30, 2025; Osaka, Japan. Poster Presentation P-3.

13 Takahashi A, Hoshi K, Nishio A, Abe K, Watanabe M, Sato Y. ICHI Coding Using Generative AI: Validation of Accuracy and Stability. Presented at the 96th Annual Meeting of the Japanese Society for Hygiene; March 19–21, 2026; Utsunomiya, Japan. Japanese Journal of Hygiene. 2026;81(Suppl.).