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Identification of Skin Injuries in Patients With Dark Skin Tones Using a Modified Robinson-Ho Skin Type Color Bar: A

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The Robinson-Ho Skin Type Color Bar showed moderate reliability between clinicians for assessing dark skin tones. However, it was ineffective in detecting subtle skin tone changes related to injury.

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Area of Science:

  • Dermatology
  • Medical Devices
  • Clinical Assessment

Background:

  • Assessing skin integrity in patients with dark skin tones presents unique challenges.
  • Subtle skin tone variations due to injury can be difficult to detect.
  • Objective tools are needed to standardize skin assessment in diverse populations.

Purpose of the Study:

  • To evaluate a modified Robinson-Ho Skin Type Color Bar for identifying subtle skin tone changes in dark skin tones post-injury.
  • To determine the inter-rater reliability of the tool among clinicians.

Main Methods:

  • Prospective, observational cohort study in an urban academic hospital's surgical intensive care/acute care unit.
  • Inclusion of adult patients with dark skin tones, confirmed by the modified Robinson-Ho Skin Type Color Bar, without existing skin injury.
  • Assessment of tool's ability to detect subtle skin tone variations and its reliability between clinicians.

Main Results:

  • The tool was ineffective in detecting subtle skin tone changes indicative of injury, as the two observed injuries (deep tissue pressure injury, trauma) did not manifest subtly.
  • Moderate inter-rater reliability was demonstrated for the Robinson-Ho Skin Type Color Bar among multiple clinicians.
  • Race/ethnicity was not found to be an objective determinant of skin tone using this tool.

Conclusions:

  • The modified Robinson-Ho Skin Type Color Bar, while reliable between users for establishing baseline skin tone, failed to detect subtle injury-related skin tone changes in this pilot study.
  • Further research is needed to develop effective tools for early injury detection in dark skin tones.
  • The tool can serve as an objective marker for baseline skin tone assessment.