Leg Ulcers and Pressure sores Flashcards
what are the three types of leg ulcers?
venous
arterial
diabetic
state three causes of venous ulcer?
venous hypertension
imcompetent venous valves
thrombosis
what type of ulcer is most common?
venous 90%
what are some symptoms of venous ulcers?
pain (relieved by raising leg)
oedema
itchy skin
where is the gaiter region?
just above medial malleolus
state some signs of venous ulcers?
sloped margins haemosiderin staining varicose veins pink granulation tissue venous eczema pitting oedema
what are the 5 steps of venous ulcer management?
basic wound management
- inspection, lavage, excision, dressing
compression
elevation
drugs
- analgesia, diuretics, antibiotics
surgery
what are some risk factors for arterial ulcers?
peripheral vascular disease smoking age DM HTN hyperlipidaemia
what are some symptoms of arterial ulcers?
pain in thighs, buttocks and calves at rest
made worse on lying flat and relieved by standing
where are arterial ulcers commonly seen?
arterial ulcers are most commonly found around the toes or on top of the feet
state some signs seen with arterial ulcers?
punched out margins
pale, dry wound bed with little granulation tissue
surrounding skin is pale and shiny with hair loss and cool on palpation
reduced pulses
cap refill is prolonged
what is beurgers sign?
Beurger’s sign: on elevating the foot to 30 degrees the colour will fade from the ischaemic foot - and pain may also develop in the distal limb. When the patient is then asked to hang their foot over the end of the bed, it will become deep red in colour as it fills with blood.
what investigation should be done for arterial ulcers?
Ankle-Brachial Pressure Index
normal = 1
risk <0.5
what are the 4 management steps of arterial ulcers?
basic wound management
- inspection, lavage, excision, dressing
conservative therapy
- address risk factors, anti-platelets, statins
endovasuclar angioplasty, stenting
surgery
- arterial bypass, amputation
what is the cause of diabetic ulcers?
hyperglycaemia
- neuropathy and peripheral microvascular disease