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Counterpoint: hyperbaric oxygen for diabetic foot wounds is not effective
1Bone Infection Unit, Nuffield Orthopaedic Centre NHS Trust, Headington, Oxford, OX3 7LD, United Kingdom. tony.berendt@noc.anglox.nhs.uk
Summary
Hyperbaric oxygen therapy for diabetic foot wounds lacks strong evidence of effectiveness and cost-efficiency. Further large-scale, controlled trials are needed before widespread adoption for treating diabetic ulcers and preventing amputation.
Area of Science:
- Hyperbaric medicine
- Diabetology
- Wound healing research
Background:
- Diabetic foot ulcers affect a significant portion of the diabetic population annually and lifetime.
- These ulcers are complex, often slow to heal, prone to infection, and can lead to amputation.
- Hyperbaric oxygen therapy (HBOT) is recognized for some indications, including diabetic foot wounds, by funding agencies.
Discussion:
- Despite reimbursement by insurers, the evidence supporting HBOT for diabetic foot care is currently weak.
- Systematic reviews indicate potential value, but existing studies suffer from methodological flaws.
- A key randomized trial with a sham arm did not demonstrate a positive treatment effect.
Key Insights:
- The current evidence base for HBOT in diabetic foot ulcer treatment is insufficient.
- Methodological weaknesses in existing studies limit definitive conclusions on efficacy.
- HBOT is resource-intensive, raising concerns about cost-effectiveness compared to other management strategies.
Outlook:
- Large-scale, rigorously designed randomized controlled trials are essential to establish HBOT's efficacy and cost-effectiveness.
- Further research should focus on adequately blinded, controlled, and powered studies.
- HBOT should not be routinely offered for diabetic foot wounds until such evidence is available.
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