Objective: To analyze the characteristics of change in plasma cholesterol level in patients with sepsis, and to explore its relationship with prognosis and its clinical significance.
Methods: A retrospective analysis was conducted. 568 patients with sepsis admitted to Department of Critical Care Medicine of Beijing Friendship Hospital Affiliated to Capital Medical University from August 2013 to August 2015 were enrolled, and 475 patients without sepsis hospitalized in the same period served as the control. The basic clinical data of the two groups were collected, and the results of blood fat and biochemical parameters were compared. The patients with sepsis were divided into death group and survival group, and risk factors influencing the prognosis of patients with sepsis were analyzed with multivariate logistic model regression analysis.
Results: Compared with non-sepsis patients, the levels of plasma total cholesterol (TC) and high density lipoprotein cholesterol (HDL-C) in the patients with sepsis were significantly lower [TC (mmol/L): 2.5±1.2 vs. 3.4±1.4, t = 4.274, P = 0.021; HDL-C (mmol/L): 1.6±0.9 vs. 2.5±0.8, t = 3.413, P = 0.018], and that of low density lipoprotein cholesterol (LDL-C) showed no statistically significant difference (mmol/L: 1.9±0.9 vs. 2.1±0.9, t = 0.749, P = 0.614). In the patients with sepsis, the patients in death group (n = 227) were older than those of the survival group (n = 341, years: 74.3±15.5 vs. 65.5±17.5, t = 4.037, P = 0.012), serum creatinine (SCr) was higher than that of survival group (μmol/L: 251.0±115.6 vs. 167.4±108.7, t = 3.254, P = 0.023), the levels of plasma TC, HDL-C and LDL-C were significantly lower than those of survival group [TC (mmol/L): 2.2±1.6 vs. 2.9±1.1, t = 3.057, P = 0.023; HDL-C (mmol/L): 1.4±0.8 vs. 1.9±0.8, t = 4.692, P = 0.016; LDL-C (mmol/L): 1.7±0.7 vs. 2.0±0.8, t = 2.541, P = 0.038]; there was no significant difference in the proportion of male, body mass index (BMI), based disease, intensive care unit (ICU) hospitalization time, the severity of the disease and other biochemical indexes between two groups. With single factor analysis with indicators of statistical significance as a covariate into binary logistic regression equation, the results show that age was the risk factor of death in patients with sepsis [odds ratio (OR) = 1.024, 95% confidence interval (95%CI) = 1.010-1.048, P = 0.009], and TC was the protective factor on the prognosis of patients with sepsis (OR = 0.747, 95%CI = 0.682-0.811, P = 0.013).
Conclusions: Plasma cholesterol levels in patients with sepsis were significantly lowered, and the levels in death group was significantly lower than that in the survival group. TC may be used as a clinical indicator to assess the outcome of patients with sepsis.
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| http://dx.doi.org/10.3760/cma.j.issn.2095-4352.2016.02.015 | DOI Listing |
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