There is insufficient evidence to recommend the use of silver-containing dressings or topical agents for treatment of infected or contaminated chronic wounds Topical Silver for Treating Infected Wounds.
Foam dressings may not be better or worse than other types of dressings for the healing of venous leg ulcers Foam Dressings for Venous Leg Ulcers.
Bilayer artificial skin, used in conjunction with compression bandaging, appears to increases the chance of healing a venous ulcer compared with compression and a simple dressing Skin Grafting for Venous Leg Ulcers.
Alginate dressings might possibly not be more or less effective in the healing of venous leg ulcers than hydrocolloid or plain non-adherent dressings but the evidence is insufficientAlginate Dressings for Venous Leg Ulcers.