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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Published on: January 25, 2016

Sudden Sensorineural Hearing Loss Associated with Nutritional Anemia: A Nested Case-Control Study Using a National

So Young Kim¹, Jee Hye Wee², Chanyang Min^3,4

¹Department of Otorhinolaryngology-Head & Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam 13496, Korea.

International Journal of Environmental Research and Public Health

|September 9, 2020

Summary

Nutritional anemia is linked to a higher risk of sudden sensorineural hearing loss (SSNHL). This study found that individuals with SSNHL had increased odds of prior nutritional anemia, but hemoglobin levels were not associated.

Keywords:

anemia case–control studies cohort studies hearing loss hemoglobin sudden

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Area of Science:

Otorhinolaryngology
Hematology
Epidemiology

Background:

Previous research suggests a link between anemia and hearing loss.
Nutritional anemia's specific association with sudden sensorineural hearing loss (SSNHL) remains under-explored.

Purpose of the Study:

To investigate the association between nutritional anemia and the risk of developing SSNHL.
To determine if hemoglobin levels are also associated with SSNHL risk.

Main Methods:

Analysis of data from the Korean National Health Insurance Service-Health Screening Cohort (2002-2015).
Matched case-control study comparing 9393 SSNHL patients with 37,572 controls.
Conditional logistic regression used to assess the odds of prior nutritional anemia and hemoglobin levels in SSNHL patients, adjusting for covariates.

Main Results:

Nutritional anemia was more prevalent in SSNHL patients (4.8%) than in controls (4.0%), with significantly higher odds (OR=1.20).
Hemoglobin levels showed no association with SSNHL.
A positive association between nutritional anemia and SSNHL was observed in individuals under 60 years old.

Conclusions:

Nutritional anemia is associated with an increased risk of sudden sensorineural hearing loss.
Hemoglobin levels do not appear to be a significant factor in SSNHL risk.
Targeting nutritional anemia may be a potential strategy for SSNHL prevention, particularly in younger demographics.