Effects of 3.0T magnetic resonance noise on the hearing of children aged 0-12 years with routine hearing protection
- VernacularTitle:常规听力保护下3.0T磁共振噪声对0～12岁儿童听力的影响
- Author:
Huifang ZHAO
1
,
2
;
Chao JIN
;
Fangyao CHEN
;
Cong TIAN
;
Peiyao CHEN
;
Xiaoyu WANG
;
Miaomiao WANG
;
Congcong LIU
;
Xianjun LI
;
Jian YANG
Author Information
- Keywords: magnetic resonance imaging; noise; child; hearing; distortion product otoacoustic emission
- From: Journal of Xi'an Jiaotong University(Medical Sciences) 2024;45(1):145-149
- CountryChina
- Language:Chinese
- Abstract: Objective To explore the effect of exposure to noise of 3.0T magnetic resonance imaging(MRI)on children's cochlear function.Methods We prospectively recruited 72 children who underwent cranial MRI examination at our hospital from May to November 2018;3M earplugs and sponge mats were used for hearing protection during MRI scanning.Noise level(dBA)of each MRI sequence was detected with a nonmagnetic microphone and a sound level meter.Distortion product otoacoustic emissions(DPOAE)test at 2-7 kHz was performed 24 hours before and 30 minutes after the MRI examination.Paired t-test or Wilcoxon signed-rank test was used to analyze differences in DPOAE amplitude before and after the MRI examination.Results The average noise level of MRI measured in the study was(107.7±3.92)dBA.Compared with that before the MRI examination,the DPOAE amplitude(dB)changed little after the MRI examination;the range of amplitude differences in each age group was as follows:left ear(-0.24-1.10)and right ear(-0.24-0.74)in the 0-1 year-old group;left ear(-0.07-0.59)and right ear(-0.57-0.75)in the 2-5 year-old group;left ear(-0.36-0.44)and right ear(-0.30-0.57)in the 6-12 year-old group.No statistically significant difference was found(correction P＞0.05).Conclusion No potential impact of 3.0T MRI noise on children's cochlear function was observed under routine hearing protection.
