What Researchers Did
Researchers gave 557 patients with hearing loss ten hyperbaric oxygen therapy treatments and tracked changes in their hearing and tinnitus afterward.
What They Found
In this case series of 557 patients with hearing loss, 27.8% experienced a hearing improvement of more than 10 dB after ten hyperbaric oxygen treatments, and tinnitus improved in 62.2% of cases. The abstract reports these two outcome rates and does not provide additional statistics such as sample breakdowns by condition severity or comparison to an untreated group.
What This Means for Canadian Patients
The study's authors concluded that hyperbaric oxygen therapy should be used for all cases of extreme hearing loss or severe tinnitus that has not responded to usual treatment. This is the conclusion the authors themselves drew from their case series; the abstract does not describe a comparison group or a controlled trial testing HBOT against other treatments, so patients should discuss this option with their own care team rather than treating it as established practice on this evidence alone.
Canadian Relevance
No direct Canadian connection identified.
Study Limitations
This report describes outcomes in 557 treated patients without a control group or randomization, so it cannot rule out other explanations for the improvements seen, and the abstract gives no information on how patients were selected or how outcomes were measured.