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10.1513/AnnalsATS.202007-803OC

http://scihub22266oqcxt.onion/10.1513/AnnalsATS.202007-803OC
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33049156!8009000!33049156
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suck abstract from ncbi


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pmid33049156      Ann+Am+Thorac+Soc 2021 ; 18 (4): 623-631
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  • The Impact of High-Flow Nasal Cannula Use on Patient Mortality and the Availability of Mechanical Ventilators in COVID-19 #MMPMID33049156
  • Gershengorn HB; Hu Y; Chen JT; Hsieh SJ; Dong J; Gong MN; Chan CW
  • Ann Am Thorac Soc 2021[Apr]; 18 (4): 623-631 PMID33049156show ga
  • Rationale: How to provide advanced respiratory support for coronavirus disease (COVID-19) to maximize population-level survival while optimizing mechanical ventilator access is unknown.Objectives: To evaluate the use of high-flow nasal cannula for COVID-19 on population-level mortality and ventilator availability.Methods: We constructed dynamical (deterministic) simulation models of high-flow nasal cannula and mechanical ventilation use for COVID-19 in the United States. Model parameters were estimated through consensus based on published literature, local data, and experience. We had the following two outcomes: 1) cumulative number of deaths and 2) days without any available ventilators. We assessed the impact of various policies for the use of high-flow nasal cannula (with or without "early intubation") versus a scenario in which high-flow nasal cannula was unavailable.Results: The policy associated with the fewest deaths and the least time without available ventilators combined the use of high-flow nasal cannula for patients not urgently needing ventilators with the use of early mechanical ventilation for these patients when at least 10% of ventilator supply was not in use. At the national level, this strategy resulted in 10,000-40,000 fewer deaths than if high-flow nasal cannula were not available. In addition, with moderate national ventilator capacity (30,000-45,000 ventilators), this strategy led to up to 25 (11.8%) fewer days without available ventilators. For a 250-bed hospital with 100 mechanical ventilators, the availability of 13, 20, or 33 high-flow nasal cannulas prevented 81, 102, and 130 deaths, respectively.Conclusions: The use of high-flow nasal cannula coupled with early mechanical ventilation when supply is sufficient results in fewer deaths and greater ventilator availability.
  • |*Cannula[MESH]
  • |Adolescent[MESH]
  • |Adult[MESH]
  • |Aged[MESH]
  • |COVID-19/complications/*mortality/*therapy[MESH]
  • |Computer Simulation[MESH]
  • |Critical Care[MESH]
  • |Female[MESH]
  • |Hospital Mortality[MESH]
  • |Hospitalization[MESH]
  • |Humans[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Oxygen Inhalation Therapy/*instrumentation/statistics & numerical data[MESH]
  • |Procedures and Techniques Utilization[MESH]
  • |Respiration, Artificial/*instrumentation/statistics & numerical data[MESH]
  • |Survival Rate[MESH]
  • |Treatment Outcome[MESH]
  • |United States[MESH]
  • |Ventilators, Mechanical[MESH]


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