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Health Information Exchange Usage in Japan: Content Analysis of Audit Logs

Health Information Exchange Usage in Japan: Content Analysis of Audit Logs

Among the numerous innovations, the health information exchange (HIE) stands out as a remarkable tool for revolutionizing the health care sector by facilitating electronic data sharing among health care providers [1]. Currently, at least 200 HIEs are operating in Japan [2]. The most common feature of an HIE in Japan is on-demand viewing or searching for medical data from other institutions [3,4], also known as a query-based exchange or query-based HIE [1,5,6].

Jun Suzumoto, Yukiko Mori, Tomohiro Kuroda

JMIR Med Inform 2025;13:e65575

Health Care Worker Usage of Large-Scale Health Information Exchanges in Japan: User-Level Audit Log Analysis Study

Health Care Worker Usage of Large-Scale Health Information Exchanges in Japan: User-Level Audit Log Analysis Study

For accounts that were able to use the HIE on all days in FY2021/22, we used 365 as the number of days that the account could use the HIE. We then calculated the ratio of days of HIE use by each hospital doctor. The ratio of days of HIE use was defined as follows: We calculated the man-days for monthly HIE use by each institution for each month and aggregated them by facility type.

Jun Suzumoto, Yukiko Mori, Tomohiro Kuroda

JMIR Med Inform 2024;12:e56263

Evolution of Health Information Sharing Between Health Care Organizations: Potential of Nonfungible Tokens

Evolution of Health Information Sharing Between Health Care Organizations: Potential of Nonfungible Tokens

However, despite the potential benefits of HIE, such as improved coordination, reduced costs, and enhanced patient safety, insufficient participation of clinicians in data exchange networks can lead to incomplete HIE databases and reduce the overall value of HIE. In addition, the use of HIE mechanisms presents several challenges. Privacy concerns and the risk of data breaches are 2 important barriers to electronic data sharing in the United States.

Pouyan Esmaeilzadeh

Interact J Med Res 2023;12:e42685