High PTX3 Levels Linked to Fatal Outcomes in Bacteremia
Author Information
Author(s): Huttunen Reetta, Hurme Mikko, Aittoniemi Janne, Huhtala Heini, Vuento Risto, Laine Janne, Jylhävä Juulia, Syrjänen Jaana
Primary Institution: Tampere University Hospital
Hypothesis
The study investigates the prognostic value of plasma PTX3 levels in bacteremic patients.
Conclusion
PTX3 is a specific independent prognostic biomarker in bacteremia, showing better prognostic value than CRP.
Supporting Evidence
- PTX3 levels were significantly higher in nonsurvivors compared to survivors.
- High PTX3 (>15 ng/ml) was associated with hypotension and high SOFA scores.
- PTX3 showed 72% sensitivity and 81% specificity for predicting fatal disease.
Takeaway
If a patient has high levels of PTX3, it might mean they are more likely to get very sick or die from their infection.
Methodology
Plasma PTX3 levels were measured in 132 patients with bacteremia using ELISA, with samples taken at various time points after positive blood culture.
Limitations
PTX3 values for day 0 (blood culture day) were not available, and the study did not assess the effects of antimicrobial therapy on PTX3 levels.
Participant Demographics
Median age was 62 years, with 62 females and 70 males.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI 0.73–0.91
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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