JMA Journal

The official peer-reviewed and open-access scientific journal of the Japan Medical Association and the Japanese Association of Medical Sciences

Editors' Choices

Background: Health insurance claims data are used in various research fields; however, an overview on how they are used in healthcare research is scarce in Japan. Therefore, we conducted a scoping review to systematically map the relevant studies using Japanese claims data.

Methods: MEDLINE, EMBASE, and ... show more
Maiko Suto, Takehiro Sugiyama, Kenjiro Imai, Takashi Furuno, Mariko Hosozawa, Yuichi Ichinose, Noriko Ihana-Sugiyama, Tomoko Kodama, Ryuji Koizumi, Yuko Shimizu-Motohashi, Shunsuke Murata, Yayoi Nakamura, Mariko Niino, Misuzu Sato, Reina Taguchi, Misa Takegami, Motoko Tanaka, Kota Tsutsumimoto, Kentaro Usuda, Kenji Takehara, and Hiroyasu Iso

Takayasu arteritis (TAK) is a type of large-vessel vasculitis that predominantly affects young females. The precise pathomechanism of TAK is still under investigation. In TAK, the vasa vasorum is considered to be the initial inflammatory site. Disruption of the vasa vasorum induces the entry of inflammatory cells into the vascular wall of large vessels between the media and ... show more
Tsuyoshi Shirai

Introduction: Hemodialysis patients have various complications, and orthopedic diseases include carpal tunnel syndrome, spinal canal stenosis, spondylosis destruction, fractures, and osteoarthritis. As a treatment for knee osteoarthritis, intra-articular injections of hyaluronic acid and steroids are performed. In general, steroid injections have a strong short-term anti-inflammatory effect, but ... show more
Yusuke Tabata, Satoshi Omori, Osamu Mitsuhashi, Kazuo Enomoto, Yuki Sawano, Noriyoshi Murotani, Koichiro Omori, Yoichiro Tabata, and Tokifumi Majima


July 14, 2023
JMA Journal Volume 6, Issue 3 is available.

Aims and Scope

The JMA Journal is the official peer-reviewed and open-access scientific journal of the Japan Medical Association and the Japanese Association of Medical Sciences. The journal publishes review articles, original research articles, clinical trials, guidelines, opinions, short communications, images, case reports, letters to the editor. The JMA Journal aims to develop into an international journal both in its perspective and the country of origin of the authors it publishes. The journal’s remit, through the publication of high-quality research, is to contribute to the global improvement of medical standards. The JMA Journal accepts articles related to medical science and medical care including clinical and basic medical science as well as public health. The journal also welcomes non-clinical studies such as health policy and opinion. All unsolicited articles receive a full and extensive peer review by recognized subject experts. The journal is published four times each year (January, April, July and October). The journal requires that all manuscripts be prepared in accordance with the“Recommendations for the Conduct, Reporting, Editing, and Publication of Scholarly work in Medical Journals”as published by the International Committee of Medical Journal Editors (ICMJE). There is no charge to submit to or publish in the journal.

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