Enfermería clínica
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Personal protective equipment (PPE), including respirators, is essential in a pandemic like COVID-19, which has required, on many occasions, the reuse of material due to its shortage. The aim of this review is to summarize available evidence on the reuse and extended use of filtering facepiece respirator. ⋯ The reuse of masks is not recommended by official organizations or manufacturers, and is only accepted in extraordinary cases, such as pandemics. The studies are characterized by having small samples, using different models of respirators adjusting their recommendation to the model.