Wk 2 Dermatological Ulcers Flashcards
4 types of ulcers
pressure
venous
arterial
neurotropic
Staging of ulcers
I: no tissue breakage II: dermis exposed III: sub-Q tissue exposed IV: bone exposed unstageable: any would w/ unobservable base
What is the white material when you look into an ulcer?
What cell types constitute this material?
granulation tissue–fibroblasts making collagen
What are the stages of repairing an ulcer (or any wound)?
- inflammation
- epithelialization
- remodelling
What is the purpose of dressing ulcers?
ulcers don’t have epithelialization–need to protect vascularized granular tissue
What does the granulation tissue produce? What does it secrete?
produces collagen
secretes serous
Important nutritional needs for pts with ulcers
proper amts of protein, more important in prevention
Stage 1 ulcer care
soap and water clean
cover with film
Stage 2 ulcer care
saline clean
polyurethane cover/hydrocolloid wafer
Stage 3 ulcer care
wet-to-dry debridement
saline clean
hydrocolloid, alginate, hydrogel dressings
Stage 4 ulcer care
wet-to-dry debridement
saline clean
hydrocolloid, alginate, hydrogel dressings
pain control
Most common type of lower extremity ulcer
venous insufficiency
Most common placement of venous ulcers
medial malleolus
tender edema that decreases w/ diuresis
Cause of venous insufficiency/ulcers
leaky valves
Most important aspect of controlling venous ulcers
control of edema
~40 mmHg, stockings ~20 mmHg NOT ENOUGH
pumps recommended
