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

E. Ruckhäberle; S. G. Nekolla; C. Ganter; K. T.M. Schneider; A. Peter; A. Raidt; L. Kovacs; S. J. Brockmeier; M. Schwaiger; R. Oberhoffer; N. A. Papadopulos

doi:10.1159/000151339

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

E. Ruckhäberle, S. G. Nekolla, C. Ganter, K. T.M. Schneider, A. Peter, A. Raidt, L. Kovacs, S. J. Brockmeier, M. Schwaiger, R. Oberhoffer, N. A. Papadopulos

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Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

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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.

Originalsprache	Englisch
Seiten (von - bis)	203-210
Seitenumfang	8
Fachzeitschrift	Fetal Diagnosis and Therapy
Jahrgang	24
Ausgabenummer	3
DOIs	https://doi.org/10.1159/000151339
Publikationsstatus	Veröffentlicht - Okt. 2008

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Ruckhäberle, E., Nekolla, S. G., Ganter, C., Schneider, K. T. M., Peter, A., Raidt, A., Kovacs, L., Brockmeier, S. J., Schwaiger, M., Oberhoffer, R., & 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), 203-210. https://doi.org/10.1159/000151339

@article{612c7821b20740d3a97c41606ee0a6c1,

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

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.",

keywords = "Amniotic fluid, Fetal auditory system, Intrauterine sound pressure, Magnetic resonance imaging, Radiofrequency energy, Specific absorption rate",

author = "E. Ruckh{\"a}berle and Nekolla, {S. G.} and C. Ganter and Schneider, {K. T.M.} and A. Peter and A. Raidt and L. Kovacs and Brockmeier, {S. J.} and M. Schwaiger and R. Oberhoffer and Papadopulos, {N. A.}",

year = "2008",

month = oct,

doi = "10.1159/000151339",

language = "English",

volume = "24",

pages = "203--210",

journal = "Fetal Diagnosis and Therapy",

issn = "1015-3837",

publisher = "S. Karger AG",

number = "3",

}

Ruckhäberle, E, Nekolla, SG, Ganter, C, Schneider, KTM, Peter, A, Raidt, A, Kovacs, L, Brockmeier, SJ, Schwaiger, M, Oberhoffer, R & Papadopulos, NA 2008, 'In vivo intrauterine sound pressure and temperature measurements during magnetic resonance imaging (1.5 T) in pregnant ewes', Fetal Diagnosis and Therapy, Jg. 24, Nr. 3, S. 203-210. https://doi.org/10.1159/000151339

TY - JOUR

T1 - In vivo intrauterine sound pressure and temperature measurements during magnetic resonance imaging (1.5 T) in pregnant ewes

AU - Ruckhäberle, E.

AU - Nekolla, S. G.

AU - Ganter, C.

AU - Schneider, K. T.M.

AU - Peter, A.

AU - Raidt, A.

AU - Kovacs, L.

AU - Brockmeier, S. J.

AU - Schwaiger, M.

AU - Oberhoffer, R.

AU - Papadopulos, N. A.

PY - 2008/10

Y1 - 2008/10

N2 - 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.

AB - 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.

KW - Amniotic fluid

KW - Fetal auditory system

KW - Intrauterine sound pressure

KW - Magnetic resonance imaging

KW - Radiofrequency energy

KW - Specific absorption rate

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U2 - 10.1159/000151339

DO - 10.1159/000151339

M3 - Article

C2 - 18753758

AN - SCOPUS:50049112144

SN - 1015-3837

VL - 24

SP - 203

EP - 210

JO - Fetal Diagnosis and Therapy

JF - Fetal Diagnosis and Therapy

IS - 3

ER -

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

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