Article: C-reactive protein used as an early indicator of infection in patients with systemic inflammatory response syndrome.
2004 Volume 30, Issue 11, Page(s) 2038–2045
Abstract: Objective: To assess the diagnostic value of a single determination of serum C-reactive protein as a marker of sepsis in critically ill patients.: Design: Prospective, observational study.: Setting: Intensive care unit of a university hospital.: ...
Abstract | Objective: To assess the diagnostic value of a single determination of serum C-reactive protein as a marker of sepsis in critically ill patients. Design: Prospective, observational study. Setting: Intensive care unit of a university hospital. Patients and participants: One hundred twenty-five adult patients with systemic inflammatory response syndrome (SIRS) (55 patients without evidence of infection and 70 patients with the diagnosis of sepsis confirmed by documented infection). Twenty-five patients with non-complicated acute myocardial infarctions (AMI) and 50 healthy volunteers were used as controls. Interventions: None. Measurements and results: Serum C-reactive protein concentration was measured within the first 24 h of SIRS onset. Healthy subjects, AMI and non-infectious SIRS patients showed lower C-reactive protein median values ([(0.21 [95% confidence intervals (95% CI), 0.21-0.4] mg/dl, 2.2 [95% CI, 2.1-4.9] mg/dl and 1.7 [95% CI, 2.4-5.5] mg/dl, respectively) than patients with sepsis (18.9 [95% CI, 17.1-21.8]), p<0.001. The presence of severe sepsis ( r(s)=0.27; p=0.03), SOFA score ( r(s)=0.25; p=0.03) and arterial lactate ( r(s)=0.24; p=0.04) correlated significantly with C-reactive protein concentrations in sepsis cases. The best threshold value for C-reactive protein for predicting sepsis was 8 mg/dl (sensitivity 94.3%, specificity 87.3%). The area under the receiver-operating characteristic curve for C-reactive protein was 0.94 (95% CI, 0.89-0.98). Conclusions: Determination of serum C-reactive protein can be used as an early indicator of infection in patients with SIRS. |
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MeSH term(s) | Adolescent ; Adult ; Aged ; Aged, 80 and over ; Bacterial Infections/complications ; Bacterial Infections/diagnosis ; Biomarkers ; C-Reactive Protein/metabolism ; Case-Control Studies ; Female ; Humans ; Likelihood Functions ; Male ; Middle Aged ; Predictive Value of Tests ; Prospective Studies ; ROC Curve ; Systemic Inflammatory Response Syndrome/diagnosis ; Systemic Inflammatory Response Syndrome/microbiology |
Chemical Substances | Biomarkers ; C-Reactive Protein (9007-41-4) |
Language | English |
Publishing date | 2004-11 |
Publishing country | United States |
Document type | Evaluation Studies ; Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 80387-x |
ISSN | 1432-1238 ; 0342-4642 ; 0340-0964 ; 0935-1701 |
ISSN (online) | 1432-1238 |
ISSN | 0342-4642 ; 0340-0964 ; 0935-1701 |
DOI | 10.1007/s00134-004-2434-y |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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