HBOT Research by Condition: 14,603 Studies | CA Hyperbarics Skip to main content

Research Insights

HBOT Indexed Studies by Research Category

How the 14,603-study database distributes across condition research areas. Ordered by the number of indexed studies, a neutral bibliographic measure.

Categories are assigned from each study's indexing terms and title. A large category means a heavily researched area, not a proven indication: some of the most-studied topics remain investigational, and some recognised indications have compact but decisive literatures. Use the conditions reference for the clinical evidence behind any category.

Research volume is not effectiveness, and this is not a ranking of "best" uses. A category with many indexed studies may have mixed or inconclusive findings; a category with few studies may have strong consensus in a small evidence base. Categories marked Investigational are uses where HBOT is not an established, recognised indication, and research volume there is not a basis for seeking treatment. For what is recognised and covered, see the conditions pages.

Indexed studies by research category

Problem Wounds 2,272 studies
56 Canadian-led 4 in Cochrane reviews
Neurological (TBI, stroke, others) Investigational 2,164 studies
51 Canadian-led 9 in Cochrane reviews
Radiation Injury 1,150 studies
31 Canadian-led 11 in Cochrane reviews
Decompression Sickness 1,096 studies
23 Canadian-led 1 in Cochrane reviews
Gas Gangrene / Necrotising Infection 1,068 studies
7 Canadian-led 4 in Cochrane reviews
Carbon Monoxide Poisoning 849 studies
6 Canadian-led
Cardiac Investigational 447 studies
7 Canadian-led 1 in Cochrane reviews
Sudden Sensorineural Hearing Loss 397 studies
6 Canadian-led 2 in Cochrane reviews
Central Retinal Artery Occlusion 322 studies
3 Canadian-led
Aging and Longevity Investigational 226 studies
4 Canadian-led 2 in Cochrane reviews
Thermal Burns 82 studies
1 Canadian-led 1 in Cochrane reviews
COVID-19 / Long COVID Investigational 67 studies
2 Canadian-led
Crush Injury 58 studies
1 Canadian-led
Severe Anaemia (Exceptional Blood Loss) 14 studies

Excludes uncategorised records and systematic-review collections. Recognition status follows Health Canada; see the conditions pages for clinical detail.

Data generated August 14, 2026; updated weekly. How this data is produced.