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Diabetic foot ulcer is a breakdown of the skin and sometimes deeper tissues of the foot that leads to sore formation. It is thought to occur due to abnormal pressure or mechanical stress chronically applied to the foot, usually with concomitant predisposing conditions such as peripheral sensory neuropathy, peripheral motor neuropathy, autonomic neuropathy or peripheral arterial disease. [1]
Chronic ulcer symptoms usually include increasing pain, friable granulation tissue, foul odour, and wound breakdown instead of healing. [3] Symptoms tend to worsen once the wound has become infected. Venous skin ulcers that may appear on the lower leg, above the calf or on the lower ankle usually cause achy and swollen legs.
Diabetic foot infection is any infection of the foot in a diabetic person. [2] The most frequent cause of hospitalization for diabetic patients is due to foot infections. [ 3 ] Symptoms may include pus from a wound, redness, swelling, pain, warmth, tachycardia , or tachypnea. [ 4 ]
The same fungus can also cause athlete’s foot and jock itch. Ringworm is contagious, so avoid touching people and pets or sharing objects like towels with others during flareups.
Research estimates that the lifetime incidence of foot ulcers within the diabetic community is around 15% and may become as high as 25%. [8] Where wounds take a long time to heal, infection may set in, spreading to bones and joints, and lower limb amputation may be necessary. Foot infection is the most common cause of non-traumatic amputation ...
Foot of an 80-year old individual with type 2 diabetes and heart failure. The second toe has a large ischaemic ulcer. The first toe has a small one. The prevalence of arterial insufficiency ulcers among people with Diabetes is high due to decreased blood flow caused by the thinning of arteries and the lack of sensation due to diabetic neuropathy.
Pressure ulcers can trigger other ailments, cause considerable suffering, and can be expensive to treat. Some complications include autonomic dysreflexia, bladder distension, bone infection, pyarthrosis, sepsis, amyloidosis, anemia, urethral fistula, gangrene and very rarely malignant transformation (Marjolin's ulcer – secondary carcinomas in chronic wounds).
The use of TCC for foot ulcers resulting from leprosy (Hansen's disease) was reported by Joseph Khan in India in the 1930s. [8] Research conducted by Paul W. Brand, MD, in the 1940s and 50s, also in India, demonstrated that the wounds in the feet were caused by nerve damage (neuropathy) rather than infection, as previously thought.
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