Blood Urea Nitrogen and In-Hospital Mortality in Critically Ill Patients with Cardiogenic Shock: Analysis of the MIMIC-III Database

The association between blood urea nitrogen (BUN) and prognosis has been the focus of recent research. Therefore, the objective of this study was to investigate the association between BUN and hospital mortality in critically ill patients with cardiogenic shock (CS). This was a retrospective cohort...

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Veröffentlicht in:BioMed research international 2021, Vol.2021 (1), p.5948636-5948636
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description The association between blood urea nitrogen (BUN) and prognosis has been the focus of recent research. Therefore, the objective of this study was to investigate the association between BUN and hospital mortality in critically ill patients with cardiogenic shock (CS). This was a retrospective cohort study, in which data were obtained from the Medical Information Mart for Intensive Care III V1.4 database. Data from 697 patients with CS were analyzed. Logistic regression and subgroup analyses were used to assess the association between BUN and hospital mortality in patients with CS. The average age of the 697 participants was 71.14 years, and approximately 42.18% were men. In the multivariate logistic regression model, after adjusting for age, sex, diabetes, cardiac arrhythmias, urine output, simplified acute physiology score II, sequential organ failure assessment, creatinine, anion gap, and heart rate, high BUN demonstrated strong associations with increased in-hospital mortality (per standard deviation increase: odds ratio [OR] 1.47, 95% confidence interval [CI] 1.13–1.92). A similar result was observed in BUN tertile groups (BUN 23–37 mg/dL versus 6–22 mg/dL: OR [95% CI], 1.42 [0.86–2.34]; BUN 38–165 mg/dL versus 6–22 mg/dL: OR [95% CI], 1.99 [1.10–3.62]; P trend 0.0272). Subgroup analysis did not reveal any significant interactions among various subgroups, and higher BUN was associated with adverse clinical outcomes in patients with CS.
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Therefore, the objective of this study was to investigate the association between BUN and hospital mortality in critically ill patients with cardiogenic shock (CS). This was a retrospective cohort study, in which data were obtained from the Medical Information Mart for Intensive Care III V1.4 database. Data from 697 patients with CS were analyzed. Logistic regression and subgroup analyses were used to assess the association between BUN and hospital mortality in patients with CS. The average age of the 697 participants was 71.14 years, and approximately 42.18% were men. In the multivariate logistic regression model, after adjusting for age, sex, diabetes, cardiac arrhythmias, urine output, simplified acute physiology score II, sequential organ failure assessment, creatinine, anion gap, and heart rate, high BUN demonstrated strong associations with increased in-hospital mortality (per standard deviation increase: odds ratio [OR] 1.47, 95% confidence interval [CI] 1.13–1.92). A similar result was observed in BUN tertile groups (BUN 23–37 mg/dL versus 6–22 mg/dL: OR [95% CI], 1.42 [0.86–2.34]; BUN 38–165 mg/dL versus 6–22 mg/dL: OR [95% CI], 1.99 [1.10–3.62]; P trend 0.0272). Subgroup analysis did not reveal any significant interactions among various subgroups, and higher BUN was associated with adverse clinical outcomes in patients with CS.</description><identifier>ISSN: 2314-6133</identifier><identifier>EISSN: 2314-6141</identifier><identifier>DOI: 10.1155/2021/5948636</identifier><identifier>PMID: 33604376</identifier><language>eng</language><publisher>United States: Hindawi</publisher><subject>Age ; Biomedical research ; Blood ; Blood platelets ; Blood pressure ; Cardiac arrhythmia ; Confidence intervals ; Creatinine ; Diabetes ; Diabetes mellitus ; Disease ; Ethnicity ; Glucose ; Heart attacks ; Heart failure ; Heart rate ; Hemoglobin ; Hospitals ; Hypertension ; Intensive care ; Laboratories ; Mortality ; Nitrogen ; Patients ; Physiology ; Potassium ; Regression analysis ; Regression models ; Renal replacement therapy ; Statistical analysis ; Structured Query Language-SQL ; Subgroups ; Urea ; Ureas ; Urine ; Variables</subject><ispartof>BioMed research international, 2021, Vol.2021 (1), p.5948636-5948636</ispartof><rights>Copyright © 2021 En-qian Liu and Chun-lai Zeng.</rights><rights>Copyright © 2021 En-qian Liu and Chun-lai Zeng. 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Therefore, the objective of this study was to investigate the association between BUN and hospital mortality in critically ill patients with cardiogenic shock (CS). This was a retrospective cohort study, in which data were obtained from the Medical Information Mart for Intensive Care III V1.4 database. Data from 697 patients with CS were analyzed. Logistic regression and subgroup analyses were used to assess the association between BUN and hospital mortality in patients with CS. The average age of the 697 participants was 71.14 years, and approximately 42.18% were men. In the multivariate logistic regression model, after adjusting for age, sex, diabetes, cardiac arrhythmias, urine output, simplified acute physiology score II, sequential organ failure assessment, creatinine, anion gap, and heart rate, high BUN demonstrated strong associations with increased in-hospital mortality (per standard deviation increase: odds ratio [OR] 1.47, 95% confidence interval [CI] 1.13–1.92). 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subjects Age
Biomedical research
Blood
Blood platelets
Blood pressure
Cardiac arrhythmia
Confidence intervals
Creatinine
Diabetes
Diabetes mellitus
Disease
Ethnicity
Glucose
Heart attacks
Heart failure
Heart rate
Hemoglobin
Hospitals
Hypertension
Intensive care
Laboratories
Mortality
Nitrogen
Patients
Physiology
Potassium
Regression analysis
Regression models
Renal replacement therapy
Statistical analysis
Structured Query Language-SQL
Subgroups
Urea
Ureas
Urine
Variables
title Blood Urea Nitrogen and In-Hospital Mortality in Critically Ill Patients with Cardiogenic Shock: Analysis of the MIMIC-III Database
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