Abstract #4870
Subjective Assessment of Sensations Experienced by 7 Tesla Magnetic Resonance Imaging
Ikuko Uwano 1 , Tsuyoshi Metoki 1 , Fusako Sendai 1 , Ryoko Yoshida 1 , Kohsuke Kudo 1,2 , Fumio Yamashita 1 , Satomi Higuchi 1 , Kenji Ito 1 , Jonathan Goodwin 1,2 , Taisuke Harada 1,2 , and Makoto Sasaki 1
1
Division of Ultrahigh Field MRI, Institute
for Biomedical Sciences, Iwate Medical University,
Yahaba, Iwate, Japan,
2
Department
of Diagnostic and Interventional Radiology, Hokkaido
University Hospital, Sapporo, Hokkaido, Japan
We investigated the unpleasant sensations experienced by
large number of the Japanese subjects during MRI
examination using a 7T scanner that has a slow
table-feed speed, and then compared these sensations to
the previous reports. Unpleasant sensations such as
vertigo were experienced at 7T especially when the table
is moving, but were infrequent and weak when compared
with the previous studies presumably do to the slow
table-feed speed, indicating that the degree of
subjective discomforts at 7T is tolerable and may be
acceptable in the usage of the clinical practice in the
future.
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