Measurement of temperature at the body surface during FSE MR imaging using digital thermometers
The recent increase in the incidence of SAR and fever contracted during medical examinations has raised concerns about transmission from the WB coil used during magnetic resonance imaging(MRI)using SENSE. We measured changes in temperature at the body surface during MRI medical examinations using T2...
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| Veröffentlicht in: | Medical Imaging and Information Sciences 2011, Vol.28(2), pp.41-45 |
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| container_title | Medical Imaging and Information Sciences |
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| creator | KIMOTO, Megumi YAMAGUCHI, Kojiro SUGIMOTO, Takesi TANAKA, Eiji SUZUKI, Shoichi |
| description | The recent increase in the incidence of SAR and fever contracted during medical examinations has raised concerns about transmission from the WB coil used during magnetic resonance imaging(MRI)using SENSE. We measured changes in temperature at the body surface during MRI medical examinations using T2 Fast Spin Echo(T2FSE)and Hahn T2 Fast Spin Echo(Hahn-T2FSE). We initially calibrated the thermometer in an incubator and confirmed that it operated normally in a high magnetic field and that it was not damaged or influenced by heat generated by RF pulses. All experiments were performed using an Excel ART Pianissimo 1.0T(Toshiba Medical Systems)and Thermo clone SL type(KN Laboratories). The temperature at the body surface changed according to the measurement point. The temperature increase was lower when measured with Hahn-T2FSE than with T2FSE. One limitation of this study was that temperature was measured only during 1.0 T MRI. |
| doi_str_mv | 10.11318/mii.28.41 |
| format | Article |
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| language | eng ; jpn |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Body temperature Fever FSE Heat Magnetic fields Magnetic resonance imaging MRI RF heating SAR temperature change Temperature effects Thermometers |
| title | Measurement of temperature at the body surface during FSE MR imaging using digital thermometers |
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