Hydrocolloid Application for Increasing the Comfort of N95 Respirators in COVID-19 Wards: A Comparative Study

1. Abstract 1.1. Background: The aim of this study was to explore the efficacy of hydrocolloid application in increasing the wearing comfort of N95 Filtering Facepiece Respirators (FFRs), reducing the occurrence of facial pressure ulcers, and improving the subjective experience of the medical staff.