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Clinical evidence

The evidence for diabetic foot ulcer care

Diabetic foot ulcer care is guided by international and national clinical standards. Here is what they recommend, and how our bedside care follows it.

The clinical challenge

A diabetic foot ulcer is an open wound, most often on the bottom of the foot, that develops in people with diabetes. Nerve damage can dull the warning of pain, so pressure and repeated trauma continue unnoticed, and reduced circulation slows healing. Left unaddressed, these ulcers are prone to infection and are a leading cause of hospitalization and amputation. Taking pressure off the wound, early and consistently, is what changes the trajectory.

What the guideline says

The most authoritative source on treatment is the IWGDF Guidelines on offloading foot ulcers in persons with diabetes, developed by the International Working Group on the Diabetic Foot and updated in 2023.1 It concludes that a nonremovable knee-high offloading device, either a total contact cast or a removable knee-high walker rendered nonremovable, is the preferred first-line treatment for a neuropathic plantar diabetic foot ulcer. Offloading, taking sustained pressure off the wound, is central to healing.1

National standards reinforce the same priorities. The American Diabetes Association Standards of Care in Diabetes recommend that people with diabetes have a comprehensive foot examination at least annually, and that interprofessional or specialist care be arranged for foot ulcers and high-risk feet.2 Together these sources make the plan clear: offload the wound, examine the feet, and coordinate specialist care.

Strength of evidence: strong The IWGDF gives a strong recommendation for nonremovable knee-high offloading as first-line treatment for plantar neuropathic ulcers. The ADA foot-care recommendations are a national society standard. Together they represent the accepted standard of care for diabetic foot ulcers.

How our care follows the evidence

Our diabetic foot ulcer service is built around these same fundamentals, delivered at the bedside:

  • We offload pressure off the wound, and coordinate appropriate footwear and offloading so the foot is protected between visits.
  • We examine the feet and track the wound visit over visit, so the plan reflects where the wound actually is.
  • We debride non-viable tissue when clinically appropriate, and select dressings matched to drainage, depth, and infection risk.
  • We treat diabetic foot ulcers at the bedside in coordination with the patient's primary care provider and specialists, and send notes and progress photos back to the care team.

Care is provided by our Advanced Practice Providers, nurse practitioners and physician assistants, with physician oversight. Medicare Part B may cover medically necessary wound care when eligibility criteria are met.

Our diabetic foot ulcer service Evidence: debridement All evidence

References

  1. Bus SA, Armstrong DG, et al. (International Working Group on the Diabetic Foot). IWGDF Guidelines on offloading foot ulcers in persons with diabetes. 2023 update. iwgdfguidelines.org
  2. American Diabetes Association. Standards of Care in Diabetes, Section 12 (Retinopathy, Neuropathy, and Foot Care). Diabetes Care. 2026;49(Suppl 1):S261. diabetesjournals.org

This page summarizes published clinical evidence for educational purposes. It is not medical advice or a guarantee of any outcome, and individual results vary. Coverage under Medicare depends on medical necessity and documentation.