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What is enlarged vestibular aqueducts (EVA)?

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The narrow, bony canals that go from your inner ear to the inside of your skull are called vestibular aqueducts. If these get larger than they should be, you can lose your hearing. The causes of enlarged vestibular aqueducts (EVA) aren’t clear, but they seem to be linked to certain genes you can get from your parents.

There’s no proven treatment for EVA. The best ways to safeguard your hearing is to avoid contact sports or anything that can lead to a head injury, and stay away from fast changes in pressure, like the kind that happens when you scuba dive.

From: What Are Vestibular Disorders? WebMD Medical Reference

SOURCES:

Vestibular Disorders Association: “The Human Balance System,” About Vestibular Disorders,” “Benign Paroxysmal Positional vertigo (BPPV),” “Ototoxicity,” “Acoustic Neuroma,” Vestibular Rehabilitation Therapy (VRT),” “Medication: Can Medication Help Me Feel Better?” “Dietary Considerations: Does Diet Really Matter?”

NHS Choices: “Labyrinthitis.”

Cleveland Clinic: “Vestibular Neuritis.”

American Academy of Otolaryngology-Head and Neck Surgery: “Meniere's Disease.”

National Institute on Deafness and Other Communication Disorders: “Meniere's Disease.”

American Hearing Research Foundation: “Perilymph Fistula,” “Top Ten Facts You Should Know about Vestibular Disorders.” Royal Victorian Eye and Ear Hospital: “Vestibular Migraine.”

Whirled Foundation: “Vestibular Disorders.”

Hearing Health Foundation: “Enlarged Vestibular Aqueducts (EVA).”

Reviewed by Arefa Cassoobhoy on March 22, 2019

SOURCES:

Vestibular Disorders Association: “The Human Balance System,” About Vestibular Disorders,” “Benign Paroxysmal Positional vertigo (BPPV),” “Ototoxicity,” “Acoustic Neuroma,” Vestibular Rehabilitation Therapy (VRT),” “Medication: Can Medication Help Me Feel Better?” “Dietary Considerations: Does Diet Really Matter?”

NHS Choices: “Labyrinthitis.”

Cleveland Clinic: “Vestibular Neuritis.”

American Academy of Otolaryngology-Head and Neck Surgery: “Meniere's Disease.”

National Institute on Deafness and Other Communication Disorders: “Meniere's Disease.”

American Hearing Research Foundation: “Perilymph Fistula,” “Top Ten Facts You Should Know about Vestibular Disorders.” Royal Victorian Eye and Ear Hospital: “Vestibular Migraine.”

Whirled Foundation: “Vestibular Disorders.”

Hearing Health Foundation: “Enlarged Vestibular Aqueducts (EVA).”

Reviewed by Arefa Cassoobhoy on March 22, 2019

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