Hearing status in vitamin B12-deficient children
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info:eu-repo/semantics/openAccessAttribution 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/Date
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Akyay, A., Soylu, E., Ünsal, S., Demirol, H. ve Bahçeci, S. (2021). Hearing status in vitamin B12-deficient children. Journal of Paediatrics and Child Health, 57(7), 1060-1066. https://dx.doi.org/10.1111/jpc.15392Abstract
Aim The aim of this study is to investigate the effects of vitamin B12 deficiency on hearing in school-aged children by pure-tone audiometry.
Methods Forty-three vitamin B12-deficient children and 37 age-matched control subjects were enrolled in the study. Tympanometric evaluations and pure-tone audiometry including high frequencies were performed on the subjects. The results were compared between the two groups.
Results Both right and left ear pure-tone hearing thresholds (PTHTs) at 0.25-4 kHz, and four-frequency pure-tone average values were significantly better in the control group compared with the patient group (P < 0.05). However, PTHTs at 8-16 kHz were not different between the two groups (P > 0.05). Vitamin B12 level also did not show any significant correlation with the PTHTs at 0.25-16 kHz (P > 0.05).
Conclusion This study indicates that vitamin B12 deficiency may contribute to hearing impairment at low frequencies as a possible aetiological factor in children.
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Journal of Paediatrics and Child HealthVolume
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