KAWAMURA REN

Profiles

Profiles

• 氏名

  KAWAMURA REN

Affiliation

• Department of Diagnostic and Generalist Medicine, Assistant Professor

Profile and Settings

Degree

• 21 Feb. 2023

Research Experience

• 01 Apr. 2022, Japan
• 01 Apr. 2021, 30 Sep. 2021, Japan
• 01 Apr. 2019, 31 Mar. 2022, Japan
• 01 Apr. 2018, 31 Mar. 2019, Japan
• 01 Apr. 2017, 31 Mar. 2018, Japan
• 01 Apr. 2015, 31 Mar. 2017, Japan

Education

• 01 Apr. 2009, 31 Mar. 2015, Japan
• 01 May 2022, 31 Nov. 2022, Harvard Medical School, Postgraduate Medical Education, Foundations of Clinical Research Program, United States

Committee Memberships

• Aug. 2023, Society
• 2022, Society

Research achievements

Awards

• 22 Feb. 2026, Japan society, Japan

Published Papers

Original paper
• Generalist-to-specialist diagnostic consultations in a tertiary hospital: an outcome-based retrospective observational study, Ren Kawamura, Yukinori Harada, Yudai Suzuki, Yumi Otaka, Shogo Hanai, Shinichi Katsukura, Masashi Yokose, Tetsu Sakamoto, Taro Shimizu, BMC Health Services Research, 01 Aug. 2026

  DOI
• LLM-based conditional perplexity scoring distinguishes physician-verified diagnoses from incorrect differential diagnoses in case reports: a preliminary evaluation (Preprint), Takanobu Hirosawa, Yukinori Harada, Ren Kawamura, Taro Shimizu, 19 Apr. 2026
• Trends in diagnostic error research across Asia: a quantitative content analysis., 07 Jan. 2026

  DOI
• The Validity of Generative Artificial Intelligence in Evaluating Medical Students in Objective Structured Clinical Examination: A Pilot Study (Preprint), Masashi Yokose, Takanobu Hirosawa, Tetsu Sakamoto, Ren Kawamura, Yudai Suzuki, Yukinori Harada, Taro Shimizu, 21 Jun. 2025

  DOI
• Features of Undiagnosed Abdominal Pain and Diagnostic Status of Acute Hepatic Porphyria in Japan: A Retrospective Study, Masaki Tago, Yosuke Sasaki, Naoko E. Katsuki, Risa Hirata, Hidetoshi Aihara, Fumiya Komatsu, Kazunobu Une, Taiju Miyagami, Yudai Suzuki, Ren Kawamura, Hiroaki Takeoka, Yuka Yasuoka, Taro Shimizu, Shigeki Nabeshima, Toshio Naito, Susumu Tazuma, International Journal of Medical Sciences, 22(12), 20 Jun. 2025

  DOI
• Current Status and Recommendations for Improving the Specialty Program of the Hospital General Medicine Society: Insights from Discussions at the 30th Japan Society of Hospital General Medicine Annual Meeting, Masaki Tago, Risa Hirata, Ren Kawamura, Marina Kawaguchi, Keishiro Tsuruta, Yoshinori Tokushima, Kiyoshi Shikino, Takashi Watari, Hiromizu Takahashi, Yosuke Sasaki, Taro Shimizu, Journal of Hospital General Medicine, 7(5), 222-225, 16 Jul. 2025

  DOI
• Pioneering diagnosis in Asia: advancing clinical reasoning expertise through the lens of 3M., Diagnosis (Berlin, Germany), 10 Feb. 2025

  DOI
• Performance evaluation of ChatGPT in detecting diagnostic errors and their contributing factors: an analysis of 545 case reports of diagnostic errors., Yukinori Harada, Tomoharu Suzuki, Taku Harada, Tetsu Sakamoto, Kosuke Ishizuka, Taiju Miyagami, Ren Kawamura, Kotaro Kunitomo, Hiroyuki Nagano, Taro Shimizu, Takashi Watari, BMJ open quality, 13(2), 03 Jun. 2024

  DOI
• ChatGPT-Generated Differential Diagnosis Lists for Complex Case–Derived Clinical Vignettes: Diagnostic Accuracy Evaluation, Takanobu Hirosawa, Ren Kawamura, Yukinori Harada, Kazuya Mizuta, Kazuki Tokumasu, Yuki Kaji, Tomoharu Suzuki, Taro Shimizu, JMIR Medical Informatics, 11, 09 Oct. 2023

  DOI
• Effects of Combinational Use of Additional Differential Diagnostic Generators on the Diagnostic Accuracy of the Differential Diagnosis List Developed by an Artificial Intelligence–Driven Automated History–Taking System: Pilot Cross-Sectional Study, Yukinori Harada, Shusaku Tomiyama, Tetsu Sakamoto, Shu Sugimoto, Ren Kawamura, Masashi Yokose, Arisa Hayashi, Taro Shimizu, JMIR Formative Research, 7, e49034, 02 Aug. 2023

  DOI
• Survey of Inpatient Consultations with General Internal Medicine Physicians in a Tertiary Hospital: A Retrospective Observational Study., Kawamura Ren;Harada Yukinori;Yokose Masashi;Hanai Shogo;Suzuki Yudai;Shimizu Taro, International journal of general medicine, 16, 1295-1302, 14 Apr. 2023

  DOI
• Diagnostic Accuracy of Differential-Diagnosis Lists Generated by Generative Pretrained Transformer 3 Chatbot for Clinical Vignettes with Common Chief Complaints: A Pilot Study., Hirosawa Takanobu;Harada Yukinori;Yokose Masashi;Sakamoto Tetsu;Kawamura Ren;Shimizu Taro, International journal of environmental research and public health, 20(4), 15 Feb. 2023

  DOI
• Incidence of Diagnostic Errors Among Unexpectedly Hospitalized Patients Using an Automated Medical History-Taking System With a Differential Diagnosis Generator: Retrospective Observational Study., Kawamura Ren;Harada Yukinori;Sugimoto Shu;Nagase Yuichiro;Katsukura Shinichi;Shimizu Taro, JMIR medical informatics, 10(1), e35225, 27 Jan. 2022

  DOIPermalink
• Diagnostic Effect of Consultation Referral from Gastroenterologists to Generalists in Patients with Undiagnosed Chronic Abdominal Pain: A Retrospective Study., Kawamura Ren;Harada Yukinori;Shimizu Taro, Healthcare (Basel, Switzerland), 9(9), 03 Sep. 2021

  DOIPermalink
• Effects of a Differential Diagnosis List of Artificial Intelligence on Differential Diagnoses by Physicians: An Exploratory Analysis of Data from a Randomized Controlled Study., Harada Yukinori;Katsukura Shinichi;Kawamura Ren;Shimizu Taro, International journal of environmental research and public health, 18(11), 2021

  DOIPermalink
• Efficacy of Artificial-Intelligence-Driven Differential-Diagnosis List on the Diagnostic Accuracy of Physicians: An Open-Label Randomized Controlled Study., Harada Yukinori;Katsukura Shinichi;Kawamura Ren;Shimizu Taro, International journal of environmental research and public health, 18(4), 2021

  DOIPermalink

Review paper
• Identification and analysis of the evidence gaps in the field of diagnostic errors research in Japan: a scoping review, Kotaro Kunitomo, Yukinori Harada, Tomoharu Suzuki, Kosuke Ishizuka, Toshinori Nishizawa, Ren Kawamura, Taiju Miyagami, Taku Harada, Satoshi Watanuki, Taro Shimizu, Masaru Kurihara, Shunzo Koizumi, Diagnosis, 06 Aug. 2026

  DOI
• Atypical Presentations at Risk for Diagnostic Errors in Internal Medicine: A Scoping Review., Yukinori Harada, Ren Kawamura, Masashi Yokose, Hardeep Singh, Taro Shimizu, Journal of general internal medicine, 14 Oct. 2025

  DOI

Case report
• Teaching NeuroImage: Isolated Hypoglossal Nerve Palsy From Tuberculous Abscess., Masahiro Miyazaki, Ren Kawamura, Taro Shimizu, Neurology, 105(12), 23 Dec. 2025

  DOI
• Recurrent anorexia because of gastrointestinal beriberi in a home care patient., Ren Kawamura, Tsuyoshi Enokihara, Yousuke Tsukinaga, Taro Shimizu, Journal of general and family medicine, 26(6), 637-641, 16 Sep. 2025

  DOI
• Meningitis mirage, Ren Kawamura, Takafumi Suzuki, Hadzki Matsuda, Kazuyuki Ishida, Andrew A. White, Taro Shimizu, Journal of Hospital Medicine, 20(10), 1112-1117, 16 Jul. 2025

  DOI
• Auscultatory Insights: Unmasking Atypical Fibromuscular Dysplasia in Secondary Hypertension, Ren Kawamura, Taro Shimizu, Journal of Hospital General Medicine, 6(4), 103-105, 29 Jul. 2024
• EPIPERICARDIAL FAT NECROSIS., Otaka Yumi;Harada Yukinori;Kawamura Ren;Shimizu Taro, European journal of case reports in internal medicine, 10(3), 003823, 08 Mar. 2023

  DOI
• Atypical presentation of colorectal carcinoma with sole multiple osteolytic bone metastases: a case report., Kawamura Ren;Suzuki Yudai;Harada Yukinori;Shimizu Taro, Journal of medical case reports, 15(1), 256, 21 May 2021

  DOIPermalink
• Missed Diagnosis of Cholangiocarcinoma Presenting with Atypical Symptoms., Kawamura Ren;Harada Yukinori;Shimizu Taro, European journal of case reports in internal medicine, 8(1), 002207, 2021

  DOIPermalink
• Aortic sinus pouch technique for transposition of the great arteries with intramural coronary artery., Ko Yoshihiro;Nomura Koji;Kinami Hiroo;Kawamura Ren, The Journal of thoracic and cardiovascular surgery, 155(4), e127-e129, 2018

  DOIPermalink

Other
• Challenges and Prospects in Non-Clinical Competency Education for Japanese Hospitalist Training, Masaki Tago, Risa Yoshinaga, Yuki Otsuka, Nozomi Aoki, Yoshinori Tokushima, Ren Kawamura, Kiyoshi Shikino, Hiromizu Takahashi, Takashi Watari, Yosuke Sasaki, Taro Shimizu, Journal of Hospital General Medicine, 8(2), 95-96, 30 Mar. 2026

  DOI
• Definitions and Measurements for Atypical Presentations at Risk for Diagnostic Errors in Internal Medicine: Protocol for a Scoping Review, Yukinori Harada, Ren Kawamura, Masashi Yokose, Taro Shimizu, Hardeep Singh, JMIR Research Protocols, 25 Mar. 2024

  DOI

Unclear
• The Validity of Generative Artificial Intelligence in Evaluating Medical Students in Objective Structured Clinical Examination: Experimental Study., Yokose Masashi;Hirosawa Takanobu;Sakamoto Tetsu;Kawamura Ren;Suzuki Yudai;Harada Yukinori;Shimizu Taro, JMIR formative research, 9, e79465, 04 Dec. 2025

  DOI

Presentations

• Diagnostic Reasoning in General Internal Medicine Consultations: A Quantitative Content Analysis of Consultation Requests, Ren Kawamura, Yukinori Harada, Taro Shimizu, DEX25, 28 Oct. 2025, 27 Oct. 2025, 29 Oct. 2025, Poster presentation, Ann Arbor, MI, United States, True
• Appropriateness of diagnostic consultations from general internal medicine physicians, Kawamura R, Harada Y, Suzuki Y, Otaka Y, Katsukura S, Yokose M, Sakamoto T, Shimizu T, SHM Converge 2024, 13 Apr. 2024, 12 Apr. 2024, 15 Apr. 2024, Poster presentation, San Diego, USA, True
• Two cases who underwent aortic valve repair for severe aortic regurgitation associated with congenital unicuspid aortic valve, 12 Jan. 2019, 11 Jan. 2019, 13 Jan. 2019, Poster presentation