Albumin as a prognostic marker of 30-day mortality in septic patients admitted to the emergency department.
Albumin
Emergency department
Emergency medicine
Sepsis
Septic shock
Serum albumin
Journal
Internal and emergency medicine
ISSN: 1970-9366
Titre abrégé: Intern Emerg Med
Pays: Italy
ID NLM: 101263418
Informations de publication
Date de publication:
11 2023
11 2023
Historique:
received:
02
05
2023
accepted:
25
07
2023
medline:
10
11
2023
pubmed:
11
8
2023
entrez:
10
8
2023
Statut:
ppublish
Résumé
Assessing the evolutive risk of septic patients in the emergency department (ED) is very complex. Predictive tools are available, but at an early stage, none of them can detect the tissue microvascular alterations underlying the septic process. Hypoalbuminemia is present in critically ill patients in the ICU, and some early indications also suggest its early role in septic patients. To investigate the role of serum albumin concentration in predicting 30-day mortality among patients with sepsis at their first evaluation in the ED. Prospective observational study enrolling all patients with sepsis evaluated consecutively at the ED of the Merano Hospital from January to December 2021. The serum albumin concentration on admission was measured immediately upon patient arrival. A multivariate logistic regression model adjusted for possible confounders assessed the association between albumin levels at admission and 30-day mortality. Kaplan-Meier survival analysis was used to evaluate 30-day mortality between groups, and receiver operating characteristic (ROC) curve analysis was used to assess the discriminatory ability of albumin in predicting mortality. 459 patients with community-acquired sepsis were included. 17% (78/459) of patients died within 30 days. In surviving patients, the mean albumin level was 3.6 g/dL (SD 0.5), while among non-survivors it was 3.1 g/dL (SD 0.4), p < 0.001. The area under the ROC was 0.754 (95% CI 0.701-0.807). Multivariate analysis found that albumin was an independent risk factor for 30-day mortality, with an adjusted risk ratio of 2.991 (95% CI 1.619-5.525, p < 0.001) for each 1 g/dL decrease in albumin. Serum albumin concentration measured during initial ED assessment can be a useful prognostic marker of 30-day mortality in septic patients.
Sections du résumé
BACKGROUND
Assessing the evolutive risk of septic patients in the emergency department (ED) is very complex. Predictive tools are available, but at an early stage, none of them can detect the tissue microvascular alterations underlying the septic process. Hypoalbuminemia is present in critically ill patients in the ICU, and some early indications also suggest its early role in septic patients.
AIM
To investigate the role of serum albumin concentration in predicting 30-day mortality among patients with sepsis at their first evaluation in the ED.
METHODS
Prospective observational study enrolling all patients with sepsis evaluated consecutively at the ED of the Merano Hospital from January to December 2021. The serum albumin concentration on admission was measured immediately upon patient arrival. A multivariate logistic regression model adjusted for possible confounders assessed the association between albumin levels at admission and 30-day mortality. Kaplan-Meier survival analysis was used to evaluate 30-day mortality between groups, and receiver operating characteristic (ROC) curve analysis was used to assess the discriminatory ability of albumin in predicting mortality.
RESULTS
459 patients with community-acquired sepsis were included. 17% (78/459) of patients died within 30 days. In surviving patients, the mean albumin level was 3.6 g/dL (SD 0.5), while among non-survivors it was 3.1 g/dL (SD 0.4), p < 0.001. The area under the ROC was 0.754 (95% CI 0.701-0.807). Multivariate analysis found that albumin was an independent risk factor for 30-day mortality, with an adjusted risk ratio of 2.991 (95% CI 1.619-5.525, p < 0.001) for each 1 g/dL decrease in albumin.
CONCLUSIONS
Serum albumin concentration measured during initial ED assessment can be a useful prognostic marker of 30-day mortality in septic patients.
Identifiants
pubmed: 37563529
doi: 10.1007/s11739-023-03387-5
pii: 10.1007/s11739-023-03387-5
doi:
Substances chimiques
Serum Albumin
0
Types de publication
Observational Study
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2407-2417Informations de copyright
© 2023. The Author(s), under exclusive licence to Società Italiana di Medicina Interna (SIMI).
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