Hearing Loss due to AAT Improves with Hyperbaric Oxygen Therapy

Posted on October 01, 2019

Acute acoustic trauma, or AAT, is a clinical condition with immediate hearing loss after impulse or blast wave noise. The logic behind administering hyperbaric oxygen to patients with AAT is based on experimental studies showing that noise exposure results in cochlear hypoxia, which means the area is deprived of oxygen. The average recovery of hearing both at high and speech frequencies was significantly better and relapse was reduced after the HBOT than after the NBOT. This is due to HBOT’s ability to saturate the affected area with oxygen at a rate greater than can be achieved at normal atmospheric pressure.

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