Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective study

# Background/Aim This study analyzed clinical factors impacting the survival of COVID-19 patients with acute respiratory distress síndrome, or ARDS (CARDS) to ICU compared to non-COVID-19 ARDS patients. # Methods Clinical variables from 1,008 CARDS cases and 332 ARDS cases were computed using lea...

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Main Authors: Paulo Navas Boada, Kevin Chamorro, Santiago Ballaz
Format: Article
Language:English
Published: Canadian Society of Respiratory Therapists 2024-08-01
Series:Canadian Journal of Respiratory Therapy
Online Access:https://doi.org/10.29390/001c.122402
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author Paulo Navas Boada
Kevin Chamorro
Santiago Ballaz
author_facet Paulo Navas Boada
Kevin Chamorro
Santiago Ballaz
author_sort Paulo Navas Boada
collection DOAJ
description # Background/Aim This study analyzed clinical factors impacting the survival of COVID-19 patients with acute respiratory distress síndrome, or ARDS (CARDS) to ICU compared to non-COVID-19 ARDS patients. # Methods Clinical variables from 1,008 CARDS cases and 332 ARDS cases were computed using learning algorithms. The multivariable Cox proportional hazards regression models with the enter method evaluated risk factors and ICU mortality relationships. The survival analysis was completed with Kaplan-Meier and the log-rank tests. # Results A Random Forest model revealed that mechanical ventilation-related factors, oxygenation, blood pH, superinfection, shock, and ICU length of stay have the greatest effects on ICU survival. According to a multivariate Cox model, reintubation and a high-flow nasal cannula were essential for survival in CARDS patients during the ICU stay. The length of stay in the ICU diminishes in patients older than 45 years, regardless of the source of ARDS. # Conclusion This study gives recommendations for the respiratory care of ARDS in COVID-19 patients.
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spelling doaj-art-bf746bd2f0984257a915160773db9e272025-02-11T20:30:52ZengCanadian Society of Respiratory TherapistsCanadian Journal of Respiratory Therapy2368-68202024-08-0160Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective studyPaulo Navas BoadaKevin ChamorroSantiago Ballaz# Background/Aim This study analyzed clinical factors impacting the survival of COVID-19 patients with acute respiratory distress síndrome, or ARDS (CARDS) to ICU compared to non-COVID-19 ARDS patients. # Methods Clinical variables from 1,008 CARDS cases and 332 ARDS cases were computed using learning algorithms. The multivariable Cox proportional hazards regression models with the enter method evaluated risk factors and ICU mortality relationships. The survival analysis was completed with Kaplan-Meier and the log-rank tests. # Results A Random Forest model revealed that mechanical ventilation-related factors, oxygenation, blood pH, superinfection, shock, and ICU length of stay have the greatest effects on ICU survival. According to a multivariate Cox model, reintubation and a high-flow nasal cannula were essential for survival in CARDS patients during the ICU stay. The length of stay in the ICU diminishes in patients older than 45 years, regardless of the source of ARDS. # Conclusion This study gives recommendations for the respiratory care of ARDS in COVID-19 patients.https://doi.org/10.29390/001c.122402
spellingShingle Paulo Navas Boada
Kevin Chamorro
Santiago Ballaz
Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective study
Canadian Journal of Respiratory Therapy
title Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective study
title_full Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective study
title_fullStr Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective study
title_full_unstemmed Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective study
title_short Survival analysis of COVID-19 versus non-COVID-19 patients requiring intensive care for acute respiratory distress syndrome: An observational retrospective study
title_sort survival analysis of covid 19 versus non covid 19 patients requiring intensive care for acute respiratory distress syndrome an observational retrospective study
url https://doi.org/10.29390/001c.122402
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AT kevinchamorro survivalanalysisofcovid19versusnoncovid19patientsrequiringintensivecareforacuterespiratorydistresssyndromeanobservationalretrospectivestudy
AT santiagoballaz survivalanalysisofcovid19versusnoncovid19patientsrequiringintensivecareforacuterespiratorydistresssyndromeanobservationalretrospectivestudy