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In vivo intrauterine sound pressure and temperature measurements during magnetic resonance imaging (1.5 T) in pregnant ewes

Ruckhäberle, E. and Nekolla, S. G. and Ganter, C. and Schneider, K. T. and Peter, A. and Raidt, A. and Kovacs, L. and Brockmeier, S. J. and Schwaiger, M. and Oberhoffer, R. and Papadopulos, N. A.. (2008) In vivo intrauterine sound pressure and temperature measurements during magnetic resonance imaging (1.5 T) in pregnant ewes. Fetal diagnosis and therapy, 24 (3). pp. 203-210.

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Official URL: http://edoc.unibas.ch/dok/A6004266

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Abstract

OBJECTIVE: To investigate the influence of several magnetic resonance imaging (MRI) sequences on amniotic fluid temperature and intrauterine sound pressure. MATERIAL AND METHODS: Temperature and sound pressure measurements during MRI (1.5 T) in pregnant ewes were done. Linear levels and third octave band spectra were compared. RESULTS: No significant changes in the temperature of amniotic fluid were observed. Intrauterine summation levels reached peak levels up to 103.0 dB(A) before starting the MRI sequence and levels up to 116.0 dB(A) during a real-time sequence. Evaluating the octave band spectra, peak levels did not exceed 100.0 dB(L). CONCLUSIONS: Our delimited data revealed no harm for the fetus by an increase in amniotic fluid temperature or hazards for the fetal auditory system by different MRI sequences.
Faculties and Departments:03 Faculty of Medicine > Bereich Spezialfächer (Klinik) > Otorhinolaryngologie > Oto-Rhino-Laryngologie (Bodmer)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Spezialfächer (Klinik) > Otorhinolaryngologie > Oto-Rhino-Laryngologie (Bodmer)
UniBasel Contributors:Brockmeier, Steffi Johanna
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Karger
ISSN:1015-3837
e-ISSN:1421-9964
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
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Last Modified:24 Oct 2017 09:46
Deposited On:27 Mar 2014 13:13

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