Specialty

Health information management、Health policy、International Classification of Diseases（ICD）、Public health、Health quality assessment

Works

Research reports

1 Matsuda T, Charvat H, Hori M, Miyashiro I, Nakata K, Takahashi A, et al.
“Study on the Accuracy Management of Internationally Comparable Cancer Registry Data and Effective Utilization of Cancer Measures Using Other Statistics.”
Health and Labour Sciences Research Grant, Research on Disease and Disability Measures, Comprehensive Cancer Control Research from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Matsuda T, 20EA1026).Grant Report, 2022.

2 Marubashi S, Goto M, Kakeji Y, Kitagawa Y, Seto Y, Takahashi A, et al.
“Development of Clinical Guidelines for Gastrointestinal Cancer Surgery in the Elderly, and Collaborative Decision Support Systems and Hospital Evaluation Programs Aimed at Promoting the Guidelines and Human Resource Development.”
Health and Labour Sciences Research Grant, Research on Disease and Disability Measures, Comprehensive Cancer Control Research from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Marubashi S, 21EA1005). Grant Report, 2022.

3 Azuma N, Yokoyama H, Ueda Y, Isobe M, Sakata Y, Takahashi A, et al.
“Study on the Dissemination of Innovative Medical Information Collaboration Methods Using ICT in Cardiovascular and Large Vessel Emergencies, and Contribution to the Establishment of a Regional Emergency Medical System.”
Health and Labour Sciences Research Grant, Research on Disease and Disability Measures, Comprehensive Research on Cardiovascular Diseases and Lifestyle-related Diseases such as Diabetes from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Higashi, N., 20FA1018). Grant Report, 2022.

4 Miyata H, Iwanaka T, Seto Y, Kakeji Y, Yokoyama H, Takahashi A, et al.
“Policy Research on the Utilization of NCDs for Realizing Regional Medical Plans.”
Health and Labour Sciences Research Grant, Comprehensive Research on Ensuring Health and Safety, Regional Medical Infrastructure Development Research from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Miyata, H., 20IA2002). Grant Report, 2021.

5 Matsuda T, Charvat H, Hori M, Miyashiro I, Nakata K, Takahashi A, et al.
“Study on the Accuracy Management of Internationally Comparable Cancer Registry Data and Effective Utilization of Cancer Measures Using Other Statistics.”
Health and Labour Sciences Research Grant, Research on Disease and Disability Measures, Comprehensive Cancer Control Research from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Matsuda, T., 20EA1026). Grant Report, 2021.

6 Marubashi S, Goto M, Kakeji Y, Kitagawa Y, Seto Y, Takahashi A, et al.
“Development of Clinical Guidelines for Gastrointestinal Cancer Surgery in the Elderly, and Collaborative Decision Support Systems and Hospital Evaluation Programs Aimed at Promoting the Guidelines and Human Resource Development.”
Health and Labour Sciences Research Grant, Research on Disease and Disability Measures, Comprehensive Cancer Control Research from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Marubashi, S., 21EA1005). Grant Report, 2021.

7 Azuma N, Yokoyama H, Ueda Y, Isobe M, Sakata Y, Takahashi A, et al.
“Study on the Dissemination of Innovative Medical Information Collaboration Methods Using ICT in Cardiovascular and Large Vessel Emergencies, and Contribution to the Establishment of a Regional Emergency Medical System.”
Health and Labour Sciences Research Grant, Research on Disease and Disability Measures, Comprehensive Research on Cardiovascular Diseases and Lifestyle-related Diseases such as Diabetes from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Higashi, N., 20FA1018). Grant Report, 2021.

8 Miyata H, Iwanaka T, Seto Y, Kakeji Y, Yokoyama H, Takahashi A, et al.>br> “Policy Research on the Utilization of NCDs for Realizing Regional Medical Plans.”
Health and Labour Sciences Research Grant, Comprehensive Research on Ensuring Health and Safety, Regional Medical Infrastructure Development Research from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Miyata, H., 20IA2002). Grant Report, 2020.

9 Matsuda T, Charvat H, Hori M, Miyashiro I, Nakata K, Takahashi A, et al.
“Study on the Accuracy Management of Internationally Comparable Cancer Registry Data and Effective Utilization of Cancer Measures Using Other Statistics.”
Health and Labour Sciences Research Grant, Research on Disease and Disability Measures, Comprehensive Cancer Control Research from the Ministry of Health, Labour and Welfare of Japan(MHLW) (Principal Investigator: Matsuda, T., 20EA1026). Grant Report, 2020.

Original papers

1 Yamamoto T, Takahashi A, Yoshizumi T, Ishihara S, Inomata M, Imoto S, et al.2023 National Clinical Database Annual Report by the Japan Surgical Society．Surgery today．2025．

2 Ito S, Takahashi A, Ueno H, Takiguchi S, Kajiwara Y, Kakeji Y, et al．Annual report on National Clinical Database 2021 for gastroenterological surgery in Japan．Annals of gastroenterological surgery．2025;9(1):32-59．

3 Ozawa H, Takahashi A, Bessho R, Hoshina K, Shukuzawa K, Ohki T. Saccular and Fusiform Abdominal Aortic Aneurysms Treated With Endovascular Repair Differ in Presentation and Treatment Threshold: Analyses Using a National Clinical Database in Japan. Journal of the American Heart Association. 2024;13(11):e032715.

4 Endo I, Takahashi A, Tachimori H, Miyata H, Homma Y, Kumamoto T, et al. Requirements for hospitals in Japan to have low operative mortality and failure-to-rescue rates. Annals of gastroenterological rgery.2024;8(2):342-355.

5 Hosaka A, Takahashi A, Kumamaru H, Azuma N, Obara H, Miyata T, et al. Prognostic factors after open and endovascular repair for infective native aneurysms of the abdominal aorta and common iliac artery. Journal of vascular surgery. 2024;79(6):1379-1389.

6 Eguchi A, Kawamura Y, Kawashima T, Ghaznavi C, Ishimura K, Takahashi A, et al. The Efficacy of an mHealth App in Facilitating Weight Loss Among Japanese Fitness Center Members: Regression Analysis Study. JMIR Formative Research. 2023;7:e48435-e48435.

7 Iijima H, Kudo M, Kubo S, Kurosaki M, Sakamoto M, Takahashi A, et al. Report of the 23rd Nationwide Follow-Up Survey of Primary Liver Cancer in Japan (2014-2015). Hepatology research: the official journal of the Japan Society of Hepatology. 2023;53(10): 895-959.

8 Fujimura N, Obara H, Takahashi A, Miyata H, Hosaka A, Obitsu Y, et al. Surgical Treatment for Popliteal Artery Entrapment Syndrome in Japan: a Retrospective, Multicentre Study Using a National Clinical Registry. European journal of vascular and endovascular surgery: the official journal of the European Society for Vascular Surgery.2023;66(3):381-388.

9 Kajiwara Y, Takahashi A, Ueno H, Kakeji Y, Hasegawa H, Eguchi S, et al. Annual report on National Clinical Database 2020 for gastroenterological surgery in Japan. Annals of gastroenterological surgery. 2023;7(3):367-406.

10 Watanabe M, Toh Y, Ishihara R, Kono K, Matsubara H, Takahashi A, et al. Comprehensive registry of esophageal cancer in Japan, 2015. Esophagus: official journal of the Japan Esophageal Society. 2022;20(1):1-28.

Books

1 Practical Introduction to Medical office Assistants (2024-25 Edition) (Supervised by) Syuji Sato, (Edited by) Arata Takahashi.

2 Guidelines for Gastrointestinal Surgical Treatment in Elderly Patients 2023 (Supervised by the Research Team).”

Conference presentations

1 Takahashi A, Kumamaru H, Yamamoto H, Miyata H.
“Forecasting the Number of Surgical Patients Using a Large-Scale Clinical Database and Future Population Data to Realize a Regional Medical Plan.”
60th National Conference of Municipal Hospitals; November 10-11, 2022, Okinawa.

2 Takahashi A.
“About NCDs: The Past and Future of Medical Assistants.”
10th National Conference of the Japanese Association of Medical office Assistants; September 19, 2021, Online.

3 Takahashi A, Echigo K.
“Insights from the 2018 Survey on the Status of Medical office Assistants.”
9th National Conference of the Japanese Association of Medical office Assistants; November 9-10, 2019, Fukuoka.

4 Takahashi A, Miyata H.
“Study on the Evaluation of Regional Medical Cooperation Systems Using a Large-Scale Clinical Database.”
78th Annual Meeting of the Japanese Society of Public Health; October 23-25, 2019, Kochi.

5 Takahashi A, Fukuchi E, Yamamoto H, Hirahara N, Kumamaru H, Ichihara N, Miyata H.
“Improving the Accuracy of Diagnostic Information in Large-Scale Clinical Databases through the Involvement of Health Information Managers.”
45th Annual Meeting of the Japanese Society of Health Information Management; September 19-20, 2019, Osaka.