Hard-to-heal wounds are a problem for both patients and caregivers. The biofi lm is one of the local factors of delayed healing. Wound hygiene carried out in 4 steps (cleansing, debridement, refashion - care of the edges, and dressing) constitutes the basis of proactive and curative anti-biofi lm strategies.
Keywords: biofilm; chronic wounds; hard-to-heal wounds; hygiène des plaies; plaies chroniques; plaies diffi ciles à cicatriser; wound hygiene.
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