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10.1164/rccm.202006-2309OC http://scihub22266oqcxt.onion/10.1164/rccm.202006-2309OC 32822208!7560792!32822208     free     free     free Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Am+J+Respir+Crit+Care+Med 2020 ; 202 (8): 1115-1124 Nephropedia Template TP {{tp|p=32822208|t=2020. Aerosol Generation from the Respiratory Tract with Various Modes of Oxygen Delivery |pdf=|usr=}}{{32822208}} gab.com Text Aerosol Generation from the Respiratory Tract with Various Modes of Oxygen Delivery JO: Am J Respir Crit Care Med http://www.kidney.de/pget.php?&tw=1&pmid=32822208 #FOAvip Rationale: Aerosol generation with modes of oxygen therapy such as high-flow nasal cannula and noninvasive positive-pressure ventilation is a concern for healthcare workers during the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. The amount of aerosol generation from the respiratory tract with these various oxygen modalities is unknown.Objectives: To measure the size and number concentration of particles and droplets generated from the respiratory tract of humans exposed to various oxygen delivery modalities.Methods: Ten healthy participants with no active pulmonary disease were enrolled. Oxygen modalities tested included nonhumidified nasal cannula, face mask, heated and humidified high-flow nasal cannula, and noninvasive positive-pressure ventilation. Aerosol generation was measured with each oxygen mode while participants performed maneuvers of normal breathing, talking, deep breathing, and coughing. Testing was conducted in a negative-pressure room. Particles with a diameter between 0.37 and 20 mum were measured using an aerodynamic particle spectrometer.Measurements and Main Results: Median particle concentration ranged from 0.041 to 0.168 particles/cm(3). Median diameter ranged from 1.01 to 1.53 mum. Cough significantly increased the number of particles measured. Measured aerosol concentration did not significantly increase with the use of either humidified high-flow nasal cannula or noninvasive positive-pressure ventilation. This was the case during normal breathing, talking, deep breathing, and coughing.Conclusions: Oxygen delivery modalities of humidified high-flow nasal cannula and noninvasive positive-pressure ventilation do not increase aerosol generation from the respiratory tract in healthy human participants with no active pulmonary disease measured in a negative-pressure room. Twit Text FOAVip Aerosol Generation from the Respiratory Tract with Various Modes of Oxygen Delivery ????Am J Respir Crit Care Med http://www.kidney.de/pget.php?&tw=1&pmid=32822208 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32822208 #FOAvip English Wikipedia <ref>{{Cite pmid|32822208}}</ref> Aerosol Generation from the Respiratory Tract with Various Modes of Oxygen Delivery #MMPMID32822208 Gaeckle NT; Lee J; Park Y; Kreykes G; Evans MD; Hogan CJ Jr Am J Respir Crit Care Med 2020[Oct]; 202 (8): 1115-1124 PMID32822208show ga Rationale: Aerosol generation with modes of oxygen therapy such as high-flow nasal cannula and noninvasive positive-pressure ventilation is a concern for healthcare workers during the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. The amount of aerosol generation from the respiratory tract with these various oxygen modalities is unknown.Objectives: To measure the size and number concentration of particles and droplets generated from the respiratory tract of humans exposed to various oxygen delivery modalities.Methods: Ten healthy participants with no active pulmonary disease were enrolled. Oxygen modalities tested included nonhumidified nasal cannula, face mask, heated and humidified high-flow nasal cannula, and noninvasive positive-pressure ventilation. Aerosol generation was measured with each oxygen mode while participants performed maneuvers of normal breathing, talking, deep breathing, and coughing. Testing was conducted in a negative-pressure room. Particles with a diameter between 0.37 and 20 mum were measured using an aerodynamic particle spectrometer.Measurements and Main Results: Median particle concentration ranged from 0.041 to 0.168 particles/cm(3). Median diameter ranged from 1.01 to 1.53 mum. Cough significantly increased the number of particles measured. Measured aerosol concentration did not significantly increase with the use of either humidified high-flow nasal cannula or noninvasive positive-pressure ventilation. This was the case during normal breathing, talking, deep breathing, and coughing.Conclusions: Oxygen delivery modalities of humidified high-flow nasal cannula and noninvasive positive-pressure ventilation do not increase aerosol generation from the respiratory tract in healthy human participants with no active pulmonary disease measured in a negative-pressure room. |*Betacoronavirus[MESH] |Adult[MESH] |Aerosols/*administration & dosage[MESH] |COVID-19[MESH] |Cannula[MESH] |Coronavirus Infections/epidemiology/*therapy[MESH] |Female[MESH] |Healthy Volunteers[MESH] |Humans[MESH] |Male[MESH] |Noninvasive Ventilation/methods[MESH] |Oxygen Inhalation Therapy/*methods[MESH] |Pandemics[MESH] |Pneumonia, Viral/epidemiology/*therapy[MESH]Aerosol Generation from the Respiratory Tract with Various Modes of Ox(epmc).pdf DeepDyve Pubget Overpricing