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El valor de proteínas de fase aguda y la prueba LightCycler® SeptiFast en el diagnóstico de infecciones bacterianas y virales en niños / The value of acute phase reactants and LightCycler® SeptiFast test in the diagnosis of bacterial and viral infections in pediatric patients
Bozlu, Gulcin; Tanriverdi, Huseyin; Aslan, Gonul; Kuyucu, Necdet.
  • Bozlu, Gulcin; Mersin Üniversitesi. Facultad de Medicina. Departamento de Pediatría. Mersin. TR
  • Tanriverdi, Huseyin; Mersin Üniversitesi. Facultad de Medicina. Departamento de Pediatría. Mersin. TR
  • Aslan, Gonul; Mersin Üniversitesi. Facultad de Medicina. Departamento de Microbiología Médica. Mersin. TR
  • Kuyucu, Necdet; Mersin Üniversitesi. Facultad de Medicina. Departamento de Pediatría - División de Infectología. Mersin. TR
Arch. argent. pediatr ; 116(1): 35-41, feb. 2018. tab
Article in English, Spanish | LILACS, BINACIS | ID: biblio-887424
RESUMEN
Introducción. Evaluamos el nivel de reactantes de fase aguda y la prueba LightCycler® SeptiFast para diferenciar infecciones bacterianas vs.virales. Métodos. Estudio prospectivo en niños febriles. Se analizaron recuento de leucocitos, proteína C-reactiva y procalcitonina en días 1, 3 y 7 de hospitalización. El día 1 se realizaron hemocultivo y radiografía de tórax. Se evaluaron dos grupos de niños que presentaron infecciones bacterianas o virales. Resultados. Se incluyeron 94 niños febriles. La temperatura media de la fiebre fue significativamente más alta en niños con infecciones bacterianas que con infecciones virales (p < 0,001). En 34 (72,3%) niños con infecciones bacterianas, el hemocultivo fue negativo. De ellos, 12 (35,2%) presentaron prueba SeptiFast positiva. No hubo resultados positivos en hemocultivos de niños con infecciones virales y todos tuvieron resultado negativo para la prueba SeptiFast. La media de proteína C-reactiva el primer día de hospitalización fue significativamente más alta en el grupo con infecciones bacterianas (p < 0,001) y en los días 3 y 7 junto con la procalcitonina fueron significativamente más altas en niños con infecciones bacterianas (p <0,001). La sensibilidad y especificidad de los leucocitos, la proteína C-reactiva y la procalcitonina fueron 63,8%, 44,7%, 74,5% y 78,7%, 68,1% y 100%, respectivamente. Las áreas bajo la curva de los leucocitos, la proteína C-reactiva y la procalcitonina fueron 0,519, 0,764 y 0,835, respectivamente. Conclusiones. Los reactantes de fase aguda, en especial procalcitonina, y la prueba LightCycler® SeptiFast podrían ayudar a diferenciar infecciones bacterianas de virales.
ABSTRACT

Introduction:

This study was performed to investigate the value of acute phase reactants and LightCycler® SeptiFast test to differentiate bacterial and viral infections. Population and

methods:

Children with fever were enrolled to this prospective study. Peripheral white blood cell (WBC), C-reactive protein (CRP) and procalcitonin (PCT) were studied from all patients on day 1, 3 and 7. Blood culture and chest X-ray were also obtained on day 1. Blood samples for LightCycler® SeptiFast test were obtained in all patients to use them if there was uncertain diagnosis between bacterial or viral infection. The patients were divided into two groups as bacterial and viral infection.

Results:

A total of 94 children with fever were enrolled. The mean value of fever was significantly higher in bacterial group than viral group (p <0.001). In bacterial infection group, 34 (72.3%) patients had negative blood culture. Of those, 12 (35.2%) had positive SeptiFast test. There were no positive blood culture in patients with viral infection group and all of them had negative SeptiFast test. The mean levels of CRP on the first day of admission were significantly higher in bacterial group than viral group (p <0.001). CRP and PCT levels of day 3 and 7 were significantly higher in bacterial group (p <0.001). The sensitivity and specificity levels of WBC, CRP and PCT were 63.8%, 44.7%, 74.5% and 78.7% ,68.1% and 100%, respectively.

Conclusions:

We found that acute phase reactants, especially PCT, and LightCycler® SeptiFast test may help to differentiate bacterial and viral infections.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Bacterial Infections / Virus Diseases / Acute-Phase Proteins / Multiplex Polymerase Chain Reaction Type of study: Diagnostic study / Observational study Limits: Child / Child, preschool / Female / Humans / Infant / Male Language: English / Spanish Journal: Arch. argent. pediatr Journal subject: Pediatrics Year: 2018 Type: Article Affiliation country: Turkey Institution/Affiliation country: Mersin Üniversitesi/TR

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Full text: Available Index: LILACS (Americas) Main subject: Bacterial Infections / Virus Diseases / Acute-Phase Proteins / Multiplex Polymerase Chain Reaction Type of study: Diagnostic study / Observational study Limits: Child / Child, preschool / Female / Humans / Infant / Male Language: English / Spanish Journal: Arch. argent. pediatr Journal subject: Pediatrics Year: 2018 Type: Article Affiliation country: Turkey Institution/Affiliation country: Mersin Üniversitesi/TR