Hyperbaric Oxygen Therapy (HBOT)
Hyperbaric Oxygen Therapy involves breathing pure oxygen in a pressurized environment, which can aid in wound healing, improve cognitive function, & support recovery from traumatic brain injuries & long COVID.
recoveryneuroprotectionanti-agingcognitive
Evidence last reviewed: 05 Apr 2026
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Biomarkers studied
Outcomes directly measured across the evidence records below
Cognitive
Cognitive Function
Evidence
4 records
Hearing gain
Patients with sudden sensorineural hearing loss • Systematic review and meta-analysis
PUBMEDModerate
HBOT showed a mean absolute hearing gain & improved odds of hearing recovery.
Dose: —
Hearing recovery
Patients with sudden sensorineural hearing loss • Systematic review and meta-analysis
PUBMEDModerate
HBOT was significantly associated with improved hearing outcomes over control treatments.
Dose: —
Diabetic foot ulcer healing
Patients with diabetic foot ulcers • Systematic review and meta-analysis
PUBMEDModerate
HBOT increased the healing rate & shortened the healing time of diabetic foot ulcers.
Dose: —
Neurocognitive function improvement
Post-COVID condition patients • Randomized controlled trial
PUBMEDModerate
HBOT improved neurocognitive functions & symptoms in post-COVID condition patients.
Dose: —
Forms
Hyperbaric Chamber
Administered in a specialized chamber where atmospheric pressure is increased.
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