Findings

What do systematic reviews say?

4 questions · 4 findings · 2 reviews · Headline outcomes only

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 25%High 3 · 75%

All‐cause mortality · People undergoing radiation therapy for head and neck cancer

Hyperbaric oxygen leads to lower mortality compared with air breathing to enhance the effectiveness of radiotherapy (high certainty).

1 finding from 1 review

Hyperbaric oxygenation for tumour sensitisation to radiotherapy 2018 · Cochrane Headline outcomes only
RR 0.83 [0.7, 0.98]
9 studies · 710 participants
High

All‐cause mortality · People undergoing radiotherapy for uterine cervical cancer

Hyperbaric oxygen showed no clear difference in mortality compared with air breathing (high certainty).

1 finding from 1 review

Hyperbaric oxygenation for tumour sensitisation to radiotherapy 2018 · Cochrane Headline outcomes only
RR 0.88 [0.69, 1.11]
4 studies · 728 participants
High

Mortality with urinary bladder cancer · People with any one of a mixed group of cancers

Hyperbaric oxygen showed no clear difference in mortality with urinary bladder cancer compared with air breathing (high certainty).

1 finding from 1 review

Hyperbaric oxygenation for tumour sensitisation to radiotherapy 2018 · Cochrane Headline outcomes only
RR 0.97 [0.74, 1.27]
4 studies · 330 participants
High

Death at any time in trial period case mortality count · Patients with acute traumatic brain injury

The intervention probably leads to lower death at any time in trial period case mortality count (moderate certainty).

1 finding from 1 review

Hyperbaric oxygen therapy for the adjunctive treatment of traumatic brain injury 2012 · Cochrane Headline outcomes only
RR 0.69 [0.54, 0.88]
4 studies · 385 participants
Moderate