What is the severity of a pressure injury (pressure ulcers) defined?

Updated: Mar 26, 2020
  • Author: Christian N Kirman, MD; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Answer

Many classification schemes have been developed to define the severity of pressure ulcers. [64]  For a considerable period, the most widely accepted approach was that of Shea, which was modified and subsequently refined by the National Pressure Ulcer Advisory Panel (NPUAP). [65]  In April 2016, the NPUAP (now known as the National Pressure Injury Advisory Panel [NPIAP] since November 2019) announced an updated version of its staging system, along with a change in preferred terminology from pressure ulcer to pressure injury. [1, 2]

The NPIAP system consists of four main stages of pressure injury but is not intended to imply that all pressure injuries follow a standard progression from stage 1 to stage 4 or that healing pressure injuries follow a standard regression from stage 4 to stage 1 to a healed wound. Rather, the system is designed to describe the degree of tissue damage observed at a specific time of examination and is meant to facilitate communication among the various disciplines involved in the study and care of patients with these lesions.


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