Diabetes: foot ulcers and amputations

Web publication date: 26 August 2011 (based on September 2010 search)

Dereck L Hunt

Efficacy (11)
Key points
GRADE table
Citations (26)
Guidelines (10)


Diabetic foot ulceration is full-thickness penetration of the dermis of the foot in a person with diabetes. Ulcer severity is often classified using the Wagner system.[1] Grade 1 ulcers are superficial ulcers involving the full skin thickness but no underlying tissues. Grade 2 ulcers are deeper, penetrating down to ligaments and muscle, but not involving bone or abscess formation. ...read more. Grade 3 ulcers are deep ulcers with cellulitis or abscess formation, often complicated with osteomyelitis. Ulcers with localised gangrene are classified as Grade 4, and those with extensive gangrene involving the entire foot are classified as Grade 5.

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