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Effect of vitamin B12 deficiency on otoacoustic emissions [Effetti del deficit della vitamina B12 sulle otoemissioni acustiche]

Karli R. | Gül A. | Ugur B.

Article | 2013 | Acta Otorhinolaryngologica Italica33 ( 4 ) , pp.243 - 247

The aim of this study was to investigate the possible association between otoacoustic emission (OAE) values and cochlear function in patients with vitamin B12 deficiency and no evidence of symptomatic hearing loss. Two groups were studied: Group 1: patients with vitamin B12 deficiency; Group 2: a matched control group of patients with normal vitamin B12 levels. There was no evidence of symptomatic hearing loss in either group. Transiently evoked OAEs (TEOAEs) and spontaneous OAEs (SOAEs) were recorded. A comparative analysis of the studied parameters revealed that results at TEOAE 1000, SOAEs 1500 and SOAEs 4000 Hz were somewhat low . . .er in the vitamin B12 deficient group compared with the control group. According to our findings, there was a significant association between vitamin B12 deficiency and cochlear dysfunction. We recommend that routine vitamin B12 serum levels be determined when evaluating patients for symptomatic hearing loss Daha fazlası Daha az

Effect of vitamin B12 deficiency on otoacoustic emissions

Karli, R. | Gul, A. | Ugur, B.

Article | 2013 | ACTA OTORHINOLARYNGOLOGICA ITALICA33 ( 4 ) , pp.243 - 247

The aim of this study was to investigate the possible association between otoacoustic emission (OAE) values and cochlear function in patients with vitamin B12 deficiency and no evidence of symptomatic hearing loss. Two groups were studied: Group 1: patients with vitamin B12 deficiency; Group 2: a matched control group of patients with normal vitamin B12 levels. There was no evidence of symptomatic hearing loss in either group. Transiently evoked OAEs (TEOAEs) and spontaneous OAEs (SOAEs) were recorded. A comparative analysis of the studied parameters revealed that results at TEOAE 1000, SOAEs 1500 and SOAEs 4000 Hz were somewhat low . . .er in the vitamin B12 deficient group compared with the control group. According to our findings, there was a significant association between vitamin B12 deficiency and cochlear dysfunction. We recommend that routine vitamin B12 serum levels be determined when evaluating patients for symptomatic hearing loss Daha fazlası Daha az

The association between serum vitamin B12 deficiency and tension-type headache in Turkish children

Calik M. | Aktas M.S. | Cecen E. | Piskin I.E. | Ayaydın H. | Ornek Z. | Karaca M.

Article | 2018 | Neurological Sciences39 ( 6 ) , pp.1009 - 1014

This study aimed to determine the relationship between serum vitamin B12 level and tension-type headache. The study groups consisted of 75 patients (40 females, 35 males) with headache and a control group of 49 healthy children (25 females, 24 males). Serum vitamin B12 level < 200 pg/ml was defined as deficient, and < 160 pg/ml as severely deficient. The serum vitamin B12 level was measured by the electrochemiluminescence (ECLIA) method. The serum vitamin B12 levels in the headache and control groups were 273.01 ± 76.77 and 316.22 ± 74.53 pg/ml, with the difference determined as statistically significant (p = 0.003). In the ca . . .se group, 18/75 patients (24%) had a serum vitamin B12 level below the normal of 200 pg/ml, and in the control group 4/49 (8%) patients were also below the normal range (p = 0.021). The serum vitamin B12 level in the children with tension-type headache was significantly lower than that in the control group. From the results of the study, it was concluded that there may be an association between vitamin B12 level and tension-type headache. However, further clinical studies are needed. © 2018, Springer-Verlag Italia S.r.l., part of Springer Nature Daha fazlası Daha az

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