Effectiveness of disaster-prevention technologies against quake-induced damage of MR scanners during the Great East Japan Earthquake

Sachiko Yamaguchi-Sekino, Yoshio Machida, Toshio Tsuchihashi, Haruo Isoda, Takashi Noguchi, Toshiharu Nakai

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)246-247
Number of pages2
JournalMagnetic Resonance in Medical Sciences
Volume15
Issue number2
DOIs
Publication statusPublished - 2016 Apr 11

Keywords

  • Earthquake
  • Magnetic resonance
  • Magnetic resonance imaging
  • Safety

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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