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Cerebral and systemic physiological effects of wearing face masks in young adults.
Fischer, Jonas B; Kobayashi Frisk, Lisa; Scholkmann, Felix; Delgado-Mederos, Raquel; Mayos, Mercedes; Durduran, Turgut.
  • Fischer JB; ICFO - Institut de Ciències Fotòniques, Barcelona Institute of Science and Technology, Castelldefels (Barcelona) 08860, Spain.
  • Kobayashi Frisk L; ICFO - Institut de Ciències Fotòniques, Barcelona Institute of Science and Technology, Castelldefels (Barcelona) 08860, Spain.
  • Scholkmann F; Biomedical Optics Research Laboratory, Department of Neonatology, University Hospital Zurich, University of Zurich, Zurich 8091, Switzerland.
  • Delgado-Mederos R; Sant Pau Biomedical Research Institute, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain.
  • Mayos M; Sleep Unit, Department of Respiratory Medicine, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain.
  • Durduran T; Centro de Investigación Biomédica en Red (CIBER) Enfermedades Respiratorias (CB06/06), Madrid 28029, Spain.
Proc Natl Acad Sci U S A ; 118(41)2021 10 12.
Article in English | MEDLINE | ID: covidwho-1486398
ABSTRACT
The COVID-19 pandemic led to widespread mandates requiring the wearing of face masks, which led to debates on their benefits and possible adverse effects. To that end, the physiological effects at the systemic and at the brain level are of interest. We have investigated the effect of commonly available face masks (FFP2 and surgical) on cerebral hemodynamics and oxygenation, particularly microvascular cerebral blood flow (CBF) and blood/tissue oxygen saturation (StO2), measured by transcranial hybrid near-infrared spectroscopies and on systemic physiology in 13 healthy adults (ages 23 to 33 y). The results indicate small but significant changes in cerebral hemodynamics while wearing a mask. However, these changes are comparable to those of daily life activities. This platform and the protocol provides the basis for large or targeted studies of the effects of mask wearing in different populations and while performing critical tasks.
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Full text: Available Collection: International databases Database: MEDLINE Document Type: Article Main subject: Brain / Masks Subject: Brain / Masks Language: English Year: 2021

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Full text: Available Collection: International databases Database: MEDLINE Document Type: Article Main subject: Brain / Masks Subject: Brain / Masks Language: English Year: 2021
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