Appropriate imaging utilization in Japan: a survey of accredited radiology training hospitals

Kanako K. Kumamaru, Sadayuki Murayama, Yasuyuki Yamashita, Takeshi Nojo, Yoshiyuki Watanabe, Mariko Goto, Eriko Maeda, Junko Echigo, Shigeyoshi Soga, Shinya Fujii, Yutaka Tanami, Tetsuhiko Okabe, Masahiro Okada, Jiro Munechika, Hideki Ota, Mototaka Miyake, Hiroshi Honda, Shigeki Aoki

    研究成果: Contribution to journalArticle査読

    5 被引用数 (Scopus)

    抄録

    Purpose: To survey whether imaging is being performed appropriately in Japan, and to survey whether radiologists intervene to ensure imaging requests are appropriate. Methods: An online survey was sent to radiologists at accredited radiology training hospitals. The survey included the radiologists’ perspectives on whether imaging is performed appropriately at their institutions and whether they intervene if the indication for imaging is inappropriate/ambiguous. Results: The response rate was 87.3% (165/189). We observed marked variability in the frequencies that imaging not recommended by the guidelines was performed among modalities and/or body parts; the responses “very frequently/frequently performed” were more common for breast cancer related imaging examinations and for head CT/MRI. The respondents frequently reported that inappropriate/ambiguous indications included requests to expand the craniocaudal range or to perform whole-body imaging. In 80% of the hospitals (132/165), radiologists contacted the physicians who requested unrecommended examinations; the number of CT and MRI examinations that full-time radiologists need to interpret in a half-day session was significantly smaller at these hospitals (median 18 vs 24, P = 0.032). Conclusion: We conducted a survey to investigate appropriate imaging utilization in Japan. At the hospitals with numerous examinations to interpret, full-time radiologists may find it difficult to ensure that examinations are ordered appropriately.

    本文言語英語
    ページ(範囲)648-654
    ページ数7
    ジャーナルJapanese Journal of Radiology
    35
    11
    DOI
    出版ステータス出版済み - 11 1 2017

    All Science Journal Classification (ASJC) codes

    • Radiology Nuclear Medicine and imaging

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