Inhaled Carbon Dioxide and Oxygen Concentrations During Rest and Exercise of Three Air-Purifying Escape Hoods

Sinkule, Edward J.; Turner, Nina L.

doi:10.1097/00005768-200405001-01173

Cited by 2 publications

(1 citation statement)

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“…However, those stimuli produced by the results of using respiratory protection are masked by the human response. The human response was similar to the ABMS measurements in a previous investigation 18 . The stimuli from using various forms of respiratory protection, or types of N95s and covering condition affecting N95s (such as covering an N95 with an SM), will vary in magnitude.…”

Section: Discussionsupporting

confidence: 75%

Evaluation of Surgical N95 Respirators Covered With Combinations of Masks and Face Shield

Powell

Quinn

Walbert

et al. 2023

J Occup Environ Med

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Objective The aim of the study is to evaluate the metabolic demands and internal breathing environments when covering an N95 with a surgical mask, cloth mask, and/or FS. Methods Three N95 models approved by the National Institute for Occupational Safety and Health were evaluated under six covering conditions using the National Institute for Occupational Safety and Health Automated Breathing and Metabolic Simulator. All conditions used one trial with each N95 for six incremental 5-minute work rates. Inhaled oxygen and carbon dioxide concentrations, peak inhaled and exhaled pressures, and inhaled wet-bulb and dry-bulb temperatures were measured continuously and averaged across all work rates and covering conditions. Conclusions Results suggest that metabolic demands and internal breathing environments are significantly impacted by all combinations of coverings tested when compared to N95 only.

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Section: Discussionsupporting

confidence: 75%

Evaluation of Surgical N95 Respirators Covered With Combinations of Masks and Face Shield

Powell

Quinn

Walbert

et al. 2023

J Occup Environ Med

View full text Add to dashboard Cite

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All India Ophthalmological Society - Oculoplastics Association of India consensus statement on preferred practices in oculoplasty and lacrimal surgery during the COVID-19 pandemic

Ali

Hegde

Nair

et al. 2020

Indian J Ophthalmol

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Oculoplastic surgeries encompass both emergency surgeries for traumatic conditions and infectious disorders as well as elective aesthetic procedures. The COVID-19 pandemic has brought about a drastic change in this practice. Given the highly infectious nature of the disease as well as the global scarcity of medical resources; it is only prudent to treat only emergent conditions during the pandemic as we incorporate evidence-based screening and protective measures into our practices. This manuscript is a compilation of evidence-based guidelines for surgical procedures that oculoplastic surgeons can employ during the COVID-19 pandemic. These guidelines also serve as the basic framework upon which further recommendations may be based on in the future, as elective surgeries start being performed on a regular basis.

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Inhaled Carbon Dioxide and Oxygen Concentrations During Rest and Exercise of Three Air-Purifying Escape Hoods

Cited by 2 publications

References 0 publications

Evaluation of Surgical N95 Respirators Covered With Combinations of Masks and Face Shield

Evaluation of Surgical N95 Respirators Covered With Combinations of Masks and Face Shield

All India Ophthalmological Society - Oculoplastics Association of India consensus statement on preferred practices in oculoplasty and lacrimal surgery during the COVID-19 pandemic

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