Which factor increases the mortality risk 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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Answer

Bacterial contamination, though not truly an etiologic factor, must be considered in the treatment of pressure injuries, in that it can delay or prevent wound healing. These lesions are warm, moist reservoirs for bacterial overgrowth, where antibiotic resistance may develop. A pressure injury may progress from simple contamination (as in any open wound) to gross infection (indicating bacterial tissue invasion). This may lead to uncommon but life-threatening complications (eg, bacteremia, sepsis, myonecrosis, gangrene, or necrotizing fasciitis).


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