[Proposal of Information Management Method in Heat Generation of Magnetic Resonance Examination]

Nihon Hoshasen Gijutsu Gakkai Zasshi. 2019;75(11):1347-1354. doi: 10.6009/jjrt.2019_JSRT_75.11.1347.
[Article in Japanese]

Abstract

The safety management information related to heat generation in magnetic resonance imaging (MRI) examinations includes the specific absorption rate (SAR), the root mean square (RMS) of the MRI effective component of the B1 field (B1+rms), and imaging time, which must be set appropriately before an MRI examination. However, unlike image attributes and data, these three parameters do not require any image storage; therefore, information collection and confirmation post-inspection are difficult. Therefore, in this study, we used Digital Imaging and Communications in Medicine of SAR and imaging time using the overlay function of the picture archiving and communication systems (PACS) to confirm the specific absorption rate B1+rms and imaging time post-inspection. The medicine identification tag information was displayed on the PACS viewer. For some imaging times, the console display during scanning and the PACS viewer display did not match. However, the SAR console display during scanning and the PACS viewer display matched well, thereby rendering it easier to manage safety in MRI examinations.

Keywords: B1+rms; imaging time; magnetic resonance imaging; picture archiving and communication systems; specific absorption rate.

MeSH terms

  • Hot Temperature
  • Information Management*
  • Magnetic Resonance Imaging
  • Radiology Information Systems*