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A Controlled Mouse Model for Neonatal Polymicrobial Sepsis
Published on: January 27, 2019
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Pathogen-Specific Hypoalbuminemia in Patients with Sepsis: A Retrospective Study with Propensity Score Analysis
Shasha Shao1,2, Jiale Yang1,2, Huimei Yin3
1Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China.
Infection and Drug Resistance
|March 30, 2026
Summary
Hypoalbuminemia in sepsis patients increases mortality risk. Specific pathogens like Candida and E. coli are linked to higher hypoalbuminemia risk, necessitating pathogen-specific albumin monitoring for better patient outcomes.
Area of Science:
- Critical care medicine
- Infectious diseases
- Biochemistry
Background:
- Hypoalbuminemia is an independent risk factor for poor prognosis in sepsis.
- Understanding differences in sepsis-related hypoalbuminemia aids in identifying high-risk patients.
Purpose of the Study:
- To investigate the relationship between specific pathogens and hypoalbuminemia in sepsis patients.
- To determine pathogen-specific serum albumin thresholds for predicting mortality.
Main Methods:
- Retrospective analysis of 1827 intensive care unit (ICU) sepsis patients.
- Classification into hypoalbuminemia and non-hypoalbuminemia groups based on serum albumin levels.
- Propensity score matching (PSM) to balance baseline characteristics and pathogen groups.
Main Results:
- Eight pathogens (Candida, Klebsiella, Acinetobacter baumannii, Staphylococcus, Pseudomonas, Streptococcus, Enterococcus, Escherichia coli) were associated with significantly higher hypoalbuminemia risk (p<0.05).
- Restricted cubic spline (RCS) analysis revealed U- or L-shaped relationships between serum albumin levels and 28-day mortality, varying by pathogen.
- Pathogen-specific albumin cut-off values were identified, e.g., 30.36 g/L for Candida and 33.41/39.42 g/L for Bacteroides fragilis.
Conclusions:
- Meticulous surveillance of serum albumin levels is crucial in septic patients, considering pathogen-specific thresholds.
- Pathogen-specific albumin thresholds aid in identifying high-risk patients and guiding therapeutic interventions.
- Tailoring interventions based on pathogen and albumin levels can improve sepsis patient prognosis.
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