A crossover study assessing the protective efficacy of improvised snorkel-based improvised respirators.

Paul Robert GreigJames BradshawClarissa CarvalhoLuke IwaszkoSuniel RamessurJan SchumacherKariem El-Boghdadly

Published in: Journal of the Intensive Care Society (2021)

These data suggest that improvised PPE designs cannot provide reliable protection against aerosols. Failures are likely due to poor fit, but the suitability of 3D printed materials is also uncertain as fused-filament manufacturing yields parts that are not reliably gas-tight. Improvised PPE cannot be recommended as a substitute for purpose designed systems.

Keyphrases

blood brain barrier
electronic health record
big data
room temperature
machine learning
case control