Serum Amyloid Alpha in Parapneumonic Effusions
Author Information
Author(s): Vagelis Boultadakis, Vasilis Skouras, Demosthenes Makris, Aggeliki Damianaki, Dimitrios J. Nikoulis, Theodoros Kiropoulos, Smaragda Oikonomidi, Irene Tsilioni, Konstantinos Gourgoulianis
Primary Institution: University Hospital of Larissa
Hypothesis
To assess serum amyloid alpha (SAA) pleural fluid levels in parapneumonic effusion (PPE) and to investigate SAA diagnostic performance in PPE diagnosis and outcome.
Conclusion
SAA is increased in complicated PPE, and it might be useful as a biomarker for UPE and CPE diagnosis.
Supporting Evidence
- SAA levels were significantly higher in complicated parapneumonic effusions compared to uncomplicated ones.
- CRP levels were also higher in complicated cases.
- No significant association was found between SAA levels and 6-month outcomes.
Takeaway
This study looked at a protein called SAA in patients with lung fluid buildup. It found that higher SAA levels are linked to more complicated cases, but it doesn't help predict who will have problems later.
Methodology
The study prospectively evaluated 57 patients with PPE, measuring SAA and other inflammatory markers in serum and pleural fluid.
Limitations
SAA levels did not show significant diagnostic performance in predicting clinical outcomes after 6 months.
Participant Demographics
The study included 57 patients, 39 men and 18 women, with a median age of 67.5 years.
Statistical Information
P-Value
P < 0.04 for SAA levels between CPE and UPE; P < 0.01 for CRP levels between EMP and UPE.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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