Obesity and smoking as risk factors for invasive mechanical ventilation in COVID-19: A retrospective, observational cohort study

To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). A retrospective, observational cohort study of 112 inpatient adults diagnosed with COVID-19 between March 12 and April 16, 2020. Data were manually extract...

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Published inPloS one Vol. 15; no. 12; p. e0238552
Main Authors Monteiro, Ana C, Suri, Rajat, Emeruwa, Iheanacho O, Stretch, Robert J, Cortes-Lopez, Roxana Y, Sherman, Alexander, Lindsay, Catherine C, Fulcher, Jennifer A, Goodman-Meza, David, Sapru, Anil, Buhr, Russell G, Chang, Steven Y, Wang, Tisha, Qadir, Nida
Format Journal Article
LanguageEnglish
Published United States Public Library of Science 22.12.2020
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Abstract To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). A retrospective, observational cohort study of 112 inpatient adults diagnosed with COVID-19 between March 12 and April 16, 2020. Data were manually extracted from electronic medical records. Multivariable and Univariable regression were used to evaluate association between baseline characteristics, initial serum markers and the outcome of IMV. Our cohort had median age of 61 (IQR 45-74) and was 66% male. In-hospital mortality was 6% (7/112). ICU mortality was 12.8% (6/47), and 18% (5/28) for those requiring IMV. Obesity (OR 5.82, CI 1.74-19.48), former (OR 8.06, CI 1.51-43.06) and current smoking status (OR 10.33, CI 1.43-74.67) were associated with IMV after adjusting for age, sex, and high prevalence comorbidities by multivariable analysis. Initial absolute lymphocyte count (OR 0.33, CI 0.11-0.96), procalcitonin (OR 1.27, CI 1.02-1.57), IL-6 (OR 1.17, CI 1.03-1.33), ferritin (OR 1.05, CI 1.005-1.11), LDH (OR 1.57, 95% CI 1.13-2.17) and CRP (OR 1.13, CI 1.06-1.21), were associated with IMV by univariate analysis. Obesity, smoking history, and elevated inflammatory markers were associated with increased need for IMV in patients with COVID-19.
AbstractList To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). A retrospective, observational cohort study of 112 inpatient adults diagnosed with COVID-19 between March 12 and April 16, 2020. Data were manually extracted from electronic medical records. Multivariable and Univariable regression were used to evaluate association between baseline characteristics, initial serum markers and the outcome of IMV. Our cohort had median age of 61 (IQR 45-74) and was 66% male. In-hospital mortality was 6% (7/112). ICU mortality was 12.8% (6/47), and 18% (5/28) for those requiring IMV. Obesity (OR 5.82, CI 1.74-19.48), former (OR 8.06, CI 1.51-43.06) and current smoking status (OR 10.33, CI 1.43-74.67) were associated with IMV after adjusting for age, sex, and high prevalence comorbidities by multivariable analysis. Initial absolute lymphocyte count (OR 0.33, CI 0.11-0.96), procalcitonin (OR 1.27, CI 1.02-1.57), IL-6 (OR 1.17, CI 1.03-1.33), ferritin (OR 1.05, CI 1.005-1.11), LDH (OR 1.57, 95% CI 1.13-2.17) and CRP (OR 1.13, CI 1.06-1.21), were associated with IMV by univariate analysis. Obesity, smoking history, and elevated inflammatory markers were associated with increased need for IMV in patients with COVID-19.
Purpose To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). Materials and methods A retrospective, observational cohort study of 112 inpatient adults diagnosed with COVID-19 between March 12 and April 16, 2020. Data were manually extracted from electronic medical records. Multivariable and Univariable regression were used to evaluate association between baseline characteristics, initial serum markers and the outcome of IMV. Results Our cohort had median age of 61 (IQR 45-74) and was 66% male. In-hospital mortality was 6% (7/112). ICU mortality was 12.8% (6/47), and 18% (5/28) for those requiring IMV. Obesity (OR 5.82, CI 1.74-19.48), former (OR 8.06, CI 1.51-43.06) and current smoking status (OR 10.33, CI 1.43-74.67) were associated with IMV after adjusting for age, sex, and high prevalence comorbidities by multivariable analysis. Initial absolute lymphocyte count (OR 0.33, CI 0.11-0.96), procalcitonin (OR 1.27, CI 1.02-1.57), IL-6 (OR 1.17, CI 1.03-1.33), ferritin (OR 1.05, CI 1.005-1.11), LDH (OR 1.57, 95% CI 1.13-2.17) and CRP (OR 1.13, CI 1.06-1.21), were associated with IMV by univariate analysis. Conclusions Obesity, smoking history, and elevated inflammatory markers were associated with increased need for IMV in patients with COVID-19.
PURPOSETo describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV).MATERIALS AND METHODSA retrospective, observational cohort study of 112 inpatient adults diagnosed with COVID-19 between March 12 and April 16, 2020. Data were manually extracted from electronic medical records. Multivariable and Univariable regression were used to evaluate association between baseline characteristics, initial serum markers and the outcome of IMV.RESULTSOur cohort had median age of 61 (IQR 45-74) and was 66% male. In-hospital mortality was 6% (7/112). ICU mortality was 12.8% (6/47), and 18% (5/28) for those requiring IMV. Obesity (OR 5.82, CI 1.74-19.48), former (OR 8.06, CI 1.51-43.06) and current smoking status (OR 10.33, CI 1.43-74.67) were associated with IMV after adjusting for age, sex, and high prevalence comorbidities by multivariable analysis. Initial absolute lymphocyte count (OR 0.33, CI 0.11-0.96), procalcitonin (OR 1.27, CI 1.02-1.57), IL-6 (OR 1.17, CI 1.03-1.33), ferritin (OR 1.05, CI 1.005-1.11), LDH (OR 1.57, 95% CI 1.13-2.17) and CRP (OR 1.13, CI 1.06-1.21), were associated with IMV by univariate analysis.CONCLUSIONSObesity, smoking history, and elevated inflammatory markers were associated with increased need for IMV in patients with COVID-19.
To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). A retrospective, observational cohort study of 112 inpatient adults diagnosed with COVID-19 between March 12 and April 16, 2020. Data were manually extracted from electronic medical records. Multivariable and Univariable regression were used to evaluate association between baseline characteristics, initial serum markers and the outcome of IMV. Our cohort had median age of 61 (IQR 45-74) and was 66% male. In-hospital mortality was 6% (7/112). ICU mortality was 12.8% (6/47), and 18% (5/28) for those requiring IMV. Obesity (OR 5.82, CI 1.74-19.48), former (OR 8.06, CI 1.51-43.06) and current smoking status (OR 10.33, CI 1.43-74.67) were associated with IMV after adjusting for age, sex, and high prevalence comorbidities by multivariable analysis. Initial absolute lymphocyte count (OR 0.33, CI 0.11-0.96), procalcitonin (OR 1.27, CI 1.02-1.57), IL-6 (OR 1.17, CI 1.03-1.33), ferritin (OR 1.05, CI 1.005-1.11), LDH (OR 1.57, 95% CI 1.13-2.17) and CRP (OR 1.13, CI 1.06-1.21), were associated with IMV by univariate analysis. Obesity, smoking history, and elevated inflammatory markers were associated with increased need for IMV in patients with COVID-19.
Purpose To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). Materials and methods A retrospective, observational cohort study of 112 inpatient adults diagnosed with COVID-19 between March 12 and April 16, 2020. Data were manually extracted from electronic medical records. Multivariable and Univariable regression were used to evaluate association between baseline characteristics, initial serum markers and the outcome of IMV. Results Our cohort had median age of 61 (IQR 45–74) and was 66% male. In-hospital mortality was 6% (7/112). ICU mortality was 12.8% (6/47), and 18% (5/28) for those requiring IMV. Obesity (OR 5.82, CI 1.74–19.48), former (OR 8.06, CI 1.51–43.06) and current smoking status (OR 10.33, CI 1.43–74.67) were associated with IMV after adjusting for age, sex, and high prevalence comorbidities by multivariable analysis. Initial absolute lymphocyte count (OR 0.33, CI 0.11–0.96), procalcitonin (OR 1.27, CI 1.02–1.57), IL-6 (OR 1.17, CI 1.03–1.33), ferritin (OR 1.05, CI 1.005–1.11), LDH (OR 1.57, 95% CI 1.13–2.17) and CRP (OR 1.13, CI 1.06–1.21), were associated with IMV by univariate analysis. Conclusions Obesity, smoking history, and elevated inflammatory markers were associated with increased need for IMV in patients with COVID-19.
Audience Academic
Author Sherman, Alexander
Qadir, Nida
Monteiro, Ana C
Suri, Rajat
Cortes-Lopez, Roxana Y
Sapru, Anil
Lindsay, Catherine C
Wang, Tisha
Emeruwa, Iheanacho O
Chang, Steven Y
Stretch, Robert J
Fulcher, Jennifer A
Buhr, Russell G
Goodman-Meza, David
AuthorAffiliation 1 Division of Pulmonary and Critical Care, Department of Medicine, UCLA Medical Center, Los Angeles, CA, United States of America
University of Sassari, ITALY
4 Division of Critical Care, Department of Pediatrics, UCLA Medical Center, Los Angeles, CA, United States of America
2 Department of Medicine, UCLA Medical Center, Los Angeles, CA, United States of America
3 Division of Infectious Disease, Department of Medicine, UCLA Medical Center, Los Angeles, CA, United States of America
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BackLink https://www.ncbi.nlm.nih.gov/pubmed/33351817$$D View this record in MEDLINE/PubMed
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Competing Interests: I have read the journal's policy and the authors of this manuscript have the following competing interests: SYC consults for PureTech on their deupirfenidone in COVID study. This does not alter our adherence to PLOS ONE policies on sharing data and materials.
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Snippet To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). A...
Purpose To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV)....
To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV). A...
PURPOSETo describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation...
PurposeTo describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation...
Purpose To describe the trajectory of respiratory failure in COVID-19 and explore factors associated with risk of invasive mechanical ventilation (IMV)....
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StartPage e0238552
SubjectTerms Aged
Anticoagulants
Artificial respiration
Biology and Life Sciences
C-Reactive Protein
Cell number
Clinical trials
Cohort analysis
Cohort Studies
Complications and side effects
Coronaviruses
COVID-19
COVID-19 - blood
COVID-19 - complications
COVID-19 - epidemiology
COVID-19 - virology
Critical care
Electronic health records
Electronic medical records
Female
Ferritin
Ferritins - blood
Health aspects
Health risks
Hospital Mortality
Hospital systems
Hospitals
Humans
Infectious diseases
Inflammation
Intensive Care Units
Interleukin 6
Interleukin-6 - blood
Intubation
L-Lactate Dehydrogenase - blood
Lymphocyte Count
Lymphocytes
Male
Markers
Mechanical properties
Mechanical ventilation
Medicine
Medicine and Health Sciences
Methods
Middle Aged
Mortality
Obesity
Obesity - blood
Obesity - complications
Obesity - epidemiology
Obesity - virology
Observational studies
Patients
Procalcitonin
Procalcitonin - blood
Regression analysis
Respiration, Artificial
Respiratory distress syndrome
Respiratory failure
Respiratory Insufficiency - blood
Respiratory Insufficiency - complications
Respiratory Insufficiency - epidemiology
Respiratory Insufficiency - virology
Retrospective Studies
Risk analysis
Risk Factors
SARS-CoV-2 - pathogenicity
Severe acute respiratory syndrome coronavirus 2
Smoking
Smoking - adverse effects
Ventilation
Ventilators
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Title Obesity and smoking as risk factors for invasive mechanical ventilation in COVID-19: A retrospective, observational cohort study
URI https://www.ncbi.nlm.nih.gov/pubmed/33351817
https://www.proquest.com/docview/2472087657
https://search.proquest.com/docview/2473403876
https://pubmed.ncbi.nlm.nih.gov/PMC7755188
https://doaj.org/article/901924179735494caaba1fffd1421ed5
http://dx.doi.org/10.1371/journal.pone.0238552
Volume 15
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