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Iron deficiency is associated with poor prognosis in idiopathic sudden sensorineural hearing loss

Published online by Cambridge University Press:  29 April 2021

T Kurioka*
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, Kitasato University, Kanagawa, Japan
H Sano
Affiliation:
School of Allied Health Sciences, Kitasato University, Kanagawa, Japan
S Furuki
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, Kitasato University, Kanagawa, Japan
T Yamashita
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, Kitasato University, Kanagawa, Japan
*
Author for correspondence: Dr Takaomi Kurioka, Department of Otorhinolaryngology, Head and Neck Surgery, Kitasato University, 1–15–1, Kitasato, Minami-ku, Sagamihara-shi, Kanagawa252-0374, Japan E-mail: [email protected] Fax: +81 42 778 8441

Abstract

Objective

The effects of iron deficiency on the prognosis of idiopathic sudden sensorineural hearing loss are unclear. This study aimed to investigate the association between serum iron levels and idiopathic sudden sensorineural hearing loss prognosis and its usefulness as an independent prognostic marker for idiopathic sudden sensorineural hearing loss.

Methods

The audiological and haematological data, including hearing recovery and serum iron levels, of 103 patients with idiopathic sudden sensorineural hearing loss evaluated between 2015 and 2018 were retrospectively analysed.

Results

The overall complete recovery rate was 16.5 per cent. Initial higher hearing threshold was associated with poor idiopathic sudden sensorineural hearing loss prognosis. Serum iron levels were significantly higher in the complete recovery group than in the non-complete recovery group (p < 0.05).

Conclusion

The possibility of complete recovery from idiopathic sudden sensorineural hearing loss was significantly lower with lower serum iron levels, suggesting that the serum iron level might be a novel prognostic marker for idiopathic sudden sensorineural hearing loss.

Type
Main Articles
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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Footnotes

Dr T Kurioka takes responsibility for the integrity of the content of the paper

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