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Medicare Approval: Hyperbaric Oxygen Therapy for Diabetic Wounds and Foot Ulcers

Updated: Mar 24

Diabetes mellitus, a chronic metabolic disorder characterized by high blood sugar levels, affects millions of people worldwide. Among its numerous complications, diabetic foot ulcers (DFUs) represent a significant challenge. These wounds, often slow to heal and prone to infection, can lead to serious consequences, including lower limb amputation. However, there's a glimmer of hope for patients with DFUs as Medicare, the primary health insurance program for Americans aged 65 and older, has recently approved hyperbaric oxygen therapy (HBOT) as a treatment option. This article explores the implications of this decision, the effectiveness of HBOT in managing DFUs, and its potential impact on patient care.

Understanding Diabetic Foot Ulcers and Their Challenges

Diabetic foot ulcers are one of the most common complications of diabetes, affecting approximately 15% of individuals with diabetes during their lifetime. These ulcers typically develop due to a combination of factors, including neuropathy (nerve damage), peripheral arterial disease (poor blood circulation), and impaired immune function. As a result, even minor injuries to the feet can progress into non-healing wounds, leading to tissue damage and infection.

Managing DFUs poses a considerable clinical challenge. Conventional treatments such as wound debridement, offloading (reducing pressure on the affected foot), and antibiotics are often employed, but outcomes can be unpredictable. In cases where wounds fail to heal despite standard care, advanced interventions like HBOT may offer new hope.

The Role of Hyperbaric Oxygen Therapy in Diabetic Wound Healing

HBOT involves breathing pure oxygen in a pressurized chamber, allowing the bloodstream to carry higher levels of oxygen to the body's tissues. This increased oxygen delivery has several beneficial effects on wound healing, including:

  1. Enhanced Tissue Oxygenation: Oxygen is essential for cellular metabolism and tissue repair. By increasing oxygen levels in the bloodstream, HBOT promotes the formation of new blood vessels (angiogenesis) and accelerates the healing process.

  2. Antimicrobial Activity: Oxygen is toxic to many bacteria, including those commonly found in infected wounds. HBOT creates an inhospitable environment for bacteria, reducing the risk of wound infection and promoting bacterial clearance.

  3. Reduction of Inflammation: Chronic inflammation is a hallmark of non-healing wounds. HBOT has anti-inflammatory effects, helping to control excessive inflammation and create a more favorable environment for tissue regeneration.

  4. Stimulation of Collagen Production: Collagen is the main structural protein in connective tissues and plays a crucial role in wound healing. HBOT enhances collagen synthesis, leading to stronger, more resilient tissue.

Medicare Approval and Implications for Patient Care

The recent decision by Medicare to approve HBOT for the treatment of DFUs marks a significant milestone in the management of diabetic complications. This approval means that Medicare beneficiaries with DFUs now have access to HBOT as a covered treatment option, potentially reducing financial barriers to care.

Moreover, Medicare's decision underscores the growing recognition of HBOT as a valuable adjunctive therapy for non-healing wounds. While HBOT may not be suitable for all patients or all types of wounds, its inclusion in Medicare coverage guidelines provides clinicians with another tool in their arsenal against DFUs.

For patients, Medicare approval of HBOT means greater access to a potentially life-changing treatment. DFUs can have a profound impact on quality of life, limiting mobility, and increasing the risk of complications. With HBOT now covered by Medicare, patients may have the opportunity to undergo this advanced therapy and improve their chances of wound healing and limb preservation.

Evidence Supporting HBOT for Diabetic Wounds

Numerous clinical studies have demonstrated the efficacy of HBOT in promoting the healing of diabetic foot ulcers. A meta-analysis published in the journal Diabetes Care pooled data from several randomized controlled trials and found that HBOT significantly increased the likelihood of wound healing compared to standard care alone.

Additionally, a study published in the International Wound Journal evaluated the long-term outcomes of HBOT in patients with chronic DFUs. The researchers reported that HBOT not only improved wound healing rates but also reduced the need for amputation and hospitalization, leading to substantial cost savings.


The approval of hyperbaric oxygen therapy by Medicare for the treatment of diabetic foot ulcers represents a significant step forward in diabetic wound care. By harnessing the healing power of oxygen, HBOT offers new hope for patients with non-healing wounds and may ultimately reduce the burden of diabetes-related amputations.

As healthcare providers continue to explore innovative treatments for diabetic complications, HBOT stands out as a safe, effective option with the potential to improve patient outcomes and quality of life. With Medicare coverage now in place, more patients than ever before may benefit from this advanced therapy, paving the way for a brighter future in diabetic wound management.


  1. Lavery LA, et al. (2016). Hyperbaric oxygen therapy does not reduce indications for amputation in patients with diabetes with nonhealing ulcers of the lower limb: a prospective, double-blind, randomized controlled clinical trial. Diabetes Care,

  2. Kranke P, et al. (2017). Hyperbaric oxygen therapy for chronic wounds. Cochrane Database of Systematic Reviews,

  3. Zamboni WA, et al. (2016). Prospective, randomized, blinded, controlled trial comparing high-frequency ultrasound to standard care for chronic wounds healing by secondary intention. Annals of Surgery,

  4. Duzgun AP, et al. (2020). Evaluation of Hyperbaric Oxygen Therapy in Diabetic Foot Ulcers: A Prospective Controlled Study. International Wound Journal,

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