Limb Ulceration and Gangrene - Pressure Ulcers

Question 1

Risk Factors of Pressure Ulcers (4).

Answer 1

1. Malnourishment.
2. Incontinence.
3. Lack of mobility.
4. Pain (leads to a reduction in mobility).

Question 2

Aetiology of Pressure Ulcer.

Answer 2

1. Prolonged pressure on particular area e.g. the sacrum.
2. Skin breaks down.
3. Combination of reduced blood supply, localised ischaemia, reduced lymph drainage, deformation of tissues under pressure.

Question 3

Common Sites of Pressure Ulcers (2).

Answer 3

1. Sacrum.

2. Heel.

Question 4

Prevention of Pressure Ulcers (5).

Answer 4

1. Individual Risk Assessment (Waterlow Score).
2. Regular Repositioning.
3. Special Inflating Mattress.
4. Regular Skin Check.
5. Protective Dressing and Cream.

Question 5

Why is soap avoided with wounds?

Answer 5

Soaps dry the wound. Hydrocolloid dressings and hydrogels facilitate ulcer healing.