How are alginate dressings used in the treatment of pressure injuries (pressure ulcers)?

Updated: Mar 26, 2020
  • Author: Christian N Kirman, MD; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Alginate dressings are semiocclusive, highly absorbent, and easy to use. [132, 133] They are natural, sterile, nonwoven dressings derived from brown seaweed. Alginate forms a gel when it comes into contact with wound drainage, and may be used in light to heavily draining stage 2, 3, and 4 injuries. It may be used in both infected and noninfected wounds [132] ; however, it should not be applied to dry or minimally draining wounds, as it can cause dehydration and delay wound healing.

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