Figure 1.

Search strategy in the Medline/Pubmed databases

#1 hydrogel [MeSH Terms] OR bandages [MeSH Terms] OR bandages, hydrocolloid [MeSH Terms] OR occlusive dressing [MeSH Terms] OR therapeutics [MeSH Terms]

#2 Pressure Ulcer [MeSH]

#3 treatment outcome [MeSH Terms] OR wound healing [MeSH Terms] OR debridement [MeSH Terms] OR granulation tissue [MeSH Terms]

#1 AND #2 AND #3

Limits Activated: Humans, English, Spanish, Portuguese, Young Adult: 19-24 years, Adult: 19-44 years, Middle Aged: 45-64 years, Middle Aged + Aged: 45+ years, Aged: 65+ years, 80 and over: 80+ years