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HBOT Evidence Digest · Pacific Hyperbarics

Sudden Sensorineural Hearing Loss

FDA status

Recognized

Evidence

Grade A · Strong

Coverage

Varies

ICD-10

H91.20

Summary

Sudden deafness is an emergency — starting HBOT within two weeks meaningfully improves recovery odds.

Typical protocol

2.0–2.4 ATA × 90 min, Daily, 10–20 sessions · AAO-HNS guideline / UHMS

The evidence (1)

  1. [1] Hyperbaric oxygen therapy for sudden sensorineural hearing loss: a meta-analysis

    POSITIVE

    Rhee TM, Hwang D, Lee JS, et al. · JAMA Otolaryngology–Head & Neck Surgery · 2018 · PMID 30267033

    Meta-analysis found HBOT, particularly combined with steroids and started early, was associated with greater hearing recovery in idiopathic sudden sensorineural hearing loss.

    Quality: Pooled evidence supporting early combined treatment.

Prepared by Pacific Hyperbarics · pacifichyperbarics.com · (619) 423-8200. Evidence grade reflects our editorial reading of the cited literature, last reviewed July 2026. Educational summary for clinicians — not a treatment directive. Verify coverage criteria against current payer policy.

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