Vascular Disorders (2) Flashcards
What is a diabetic foot?
Infection, ulceration, or destruction of deep tissues associated with neurological abnormalities and various degrees of peripheral vascular diseases in the lower limb
What is 40-60% of all non traumatic lower limb amputation caused by?
Diabetic foot
What are 85% of diabetic related foot amputation preceded by?
Foot ulcer
What are 4 out of 5 ulcers in diabetics precipitated by?
Trauma
What is the prevalence of foot ulcers in diabetics?
4-10%
What percentage of patients with type 2 diabetes have significant neuropathy?
50% (also at risk for foot ulcer)
What are major risk factors for a foot ulcer?
Sensorimotor and peripheral sympathetic neuropathy
What is the history of peripheral vascular disease?
Claudication that is relieved by rest
What would palpating a foot feel like in someone with peripheral vascular disease?
Cold
What pulses are examined in someone with peripheral vascular disease?
Dorsalis pedis and posterior tibial
Reactive hyperemia
Leg turns bright red when going from an elevated position to declining back to the ground
What is the monofilament test used for?
To test for neuropathy
What is known as the most important pre-ulcerative lesion stage?
Callus (removed by professional)
How should dry skin and fissure be treated?
With an emollient (reduce fissure margins with scalpel)
What are the stages of an ulcer development?
Callus formation
Subcutaneous hemorrhage
Breakdown of skin
Deep foot infection with osteomyelitis