What is the role of iron-deficiency anemia in the pathophysiology of sudden hearing loss?

Updated: Aug 28, 2019
  • Author: Neeraj N Mathur, MBBS, MS, DNB(ENT), MNAMS, FAMS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

A study by Chung et al indicated that iron-deficiency anemia increases the risk for sudden sensorineural hearing loss. The report, which involved about 4000 persons with sudden sensorineural hearing loss and approximately 12,000 controls, found that 4.3% of the group with hearing loss had previously been diagnosed with iron-deficiency anemia, compared with 3.0% of the control group. The link between hearing loss and anemia seemed to be strongest in persons aged 44 years or younger. [8]


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