Yamaguchi-Sekino Sachiko, Machida Yoshio, Tsuchihashi Toshio, Isoda Haruo, Noguchi Takashi, Nakai Toshiharu
National Institute of Occupational Safety and Health.
Magn Reson Med Sci. 2016;15(2):246-7. doi: 10.2463/mrms.bc.2015-0025. Epub 2015 Nov 20.
In the present study, we have performed a statistical analysis to investigate damages in magnetic resonance (MR) scanners caused by the Great East Japan Earthquake (GEJE, magnitude 9.0) and evaluated whether these disaster-prevention technologies contributed to the reduction of damages in the GEJE or not. It was confirmed that the extent of damage was significantly different between seismic scale (SS) 5 and SS over 6. Our survey study demonstrated that anchoring of MR facilities reduced damages due to quakes and demonstrated that anchoring is an efficient method for quake-induced damage prevention. The odds ratio revealed that base isolation was very useful to prevent damages in MR scanners.
在本研究中，我们进行了统计分析，以调查东日本大地震（GEJE，震级9.0）对磁共振（MR）扫描仪造成的损害，并评估这些防灾技术是否有助于减少东日本大地震中的损害。结果证实，地震烈度（SS）5级和6级以上的损害程度存在显著差异。我们的调查研究表明，对MR设施进行锚固可减少地震造成的损害，并表明锚固是预防地震引发损害的有效方法。优势比表明，基础隔震对于防止MR扫描仪受损非常有用。
