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A three-step diagnosis of pediatric pneumonia at the emergency department using clinical predictors, C-reactive protein, and pneumococcal PCR.

Alcoba, Gabriel
Keitel, Kristina
Gehri, Mario
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Published in European Journal of Pediatrics. 2017, vol. 176, no. 6, p. 815-824
Abstract Recommendations for the management of community-acquired pneumonia (CAP) advocate that, in the absence of the clinical and laboratory findings typical of bacterial CAP, antibiotics are not required. However, the true value of the clinical and laboratory predictors of pediatric CAP still needs to be assessed. This prospective cohort study in three emergency departments enrolled 142 children with radiological pneumonia. Pneumonia with lung consolidation was the primary endpoint; complicated pneumonia (bacteremia, empyema, or pleural effusion) was the secondary endpoint. We showed that three clinical signs (unilateral hypoventilation, grunting, and absence of wheezing), elevated procalcitonin (PCT), C-reactive protein (CRP), negative nasopharyngeal viral PCR, or positive blood pneumococcal PCR (P-PCR) were significantly associated with both pneumonia with consolidation and complicated pneumonia. Children with negative clinical signs and low CRP values had a low probability of having pneumonia with consolidation (13%) or complicated pneumonia (6%). Associating the three clinical signs, CRP >80 mg/L and a positive P-PCR ruled in the diagnosis of complicated pneumonia with a positive predictive value of 75%.
Keywords AdolescentBiomarkers/bloodC-Reactive Protein/metabolismCalcitonin/bloodChildChildPreschoolCommunity-Acquired Infections/blood/complications/diagnosis/microbiologyDNABacterial/analysisDecision Support TechniquesDiagnosisDifferentialEmergency ServiceHospitalFemaleHumansLogistic ModelsMaleMycoplasma pneumoniae/genetics/isolation & purificationPneumoniaMycoplasma/blood/complications/diagnosisPneumoniaPneumococcal/blood/complications/diagnosisPneumoniaViral/blood/diagnosisPolymerase Chain ReactionPredictive Value of TestsProspective StudiesStreptococcus pneumoniae/genetics/isolation & purification
PMID: 28474099
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Research group Etiologie des pneumonies et marqueurs inflammatoires chez l'enfant fébrile (183)
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ALCOBA, Gabriel et al. A three-step diagnosis of pediatric pneumonia at the emergency department using clinical predictors, C-reactive protein, and pneumococcal PCR. In: European Journal of Pediatrics, 2017, vol. 176, n° 6, p. 815-824. doi: 10.1007/s00431-017-2913-0 https://archive-ouverte.unige.ch/unige:107570

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Deposited on : 2018-09-11

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