Hyperbaric Oxygen Therapy for Diabetic Wound Healing in Concord, CA

A diabetic foot ulcer is an open wound or sore that can develop when diabetes affects sensation and circulation in the feet. When these wounds don't heal as expected, proper evaluation and diabetic wound treatment become important to address factors that may be preventing recovery.

Diabetic foot ulcers affect approximately 15% of people with diabetes over their lifetime, and they are responsible for more than 80% of non-traumatic lower-extremity amputations. These chronic wounds develop when peripheral neuropathy (nerve damage) reduces sensation in the feet, allowing minor injuries to go unnoticed, while peripheral vascular disease restricts the blood flow needed for healing. The result is a wound that stalls in the inflammatory phase and cannot progress through normal tissue repair.

Elevated blood glucose further compounds the problem by impairing white blood cell function, slowing collagen formation, and creating an environment where bacteria thrive. Even with aggressive conventional wound care — debridement, offloading, and antibiotics — many diabetic wounds plateau and face a high risk of infection and amputation.

HBOT is recognized by Medicare under National Coverage Determination 20.29 as an adjunctive therapy for diabetic wounds of the lower extremities when standard care has not produced measurable improvement after 30 days. Typical HBOT protocols for diabetic wounds involve 30 to 40 sessions of 90 minutes each, administered once daily, five days per week.

When you breathe pure oxygen inside a pressurized hyperbaric chamber, your blood plasma becomes supersaturated with oxygen — delivering 10 to 15 times the oxygen that normal breathing provides. This oxygen-rich environment directly addresses the two core deficiencies in diabetic wound healing: ischemia (insufficient oxygen) and impaired immune response.

Mechanically, HBOT stimulates angiogenesis — the formation of new blood vessels — in the ischemic tissue surrounding the wound. It activates fibroblasts (the cells that produce collagen for tissue repair), enhances the bactericidal activity of white blood cells, and inhibits bacterial toxin production. It also reduces biofilm formation, which is a major reason antibiotic-resistant infections persist in chronic diabetic wounds.

Multiple randomized controlled trials have confirmed HBOT's efficacy. A landmark study published in Diabetes Care found that patients receiving HBOT in addition to standard wound care were significantly more likely to achieve complete wound healing and significantly less likely to require major amputation compared to those receiving standard care alone. At NorCal Hyperbarics, Dr. John Toth coordinates HBOT alongside your existing wound care team in the Contra Costa and Bay Area region to ensure a fully integrated treatment approach.