- Peak forehead pressure was 6.84 +/- 3.64 kPa
- Average forehead pressure was 2.4 +/- 1.18 kPa
- These values aligned well with the data collected from the simulation without the dressings. 

Ohio State University, Columbus

The researchers measured the interface pressures between the skin and the surface for multiple patients. These measurements were done without applying the dressing. The pressure was applied for one minute and data regarding the peak and average pressure was collected.

Validation of facial pressure measurements

Peko, L, Barakat‐Johnson, M, Gefen, A. Protecting prone positioned patients from facial pressure ulcers using prophylactic dressings: A timely biomechanical analysis in the context of the COVID‐19 pandemic. Int Wound J. 2020; 1– 12. 
https://doi.org/10.1111/iwj.13435

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