Respiratory viral infections in infants with clinically suspected pertussis

dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorFERRONATO, Angela E.
dc.contributor.authorGILIO, Alfredo E.
dc.contributor.authorVIEIRA, Sandra E.
dc.date.accessioned2014-04-25T21:53:41Z
dc.date.available2014-04-25T21:53:41Z
dc.date.issued2013
dc.description.abstractObjective: to evaluate the frequency of respiratory viral infections in hospitalized infants with clinical suspicion of pertussis, and to analyze their characteristics at hospital admission and clinical outcomes. Methods: a historical cohort study was performed in a reference service for pertussis, in which the research of respiratory viruses was also a routine for infants hospitalized with respiratory problems. All infants reported as suspected cases of pertussis were included. Tests for Bordetella pertussis (BP) (polymerase chain reaction/culture) and for respiratory viruses (RVs) (immunofluorescence) were performed. Patients who received macrolides before hospitalization were excluded. Clinical data were obtained from medical records. Results: among the 67 patients studied, BP tests were positive in 44%, and 26% were positive for RV. There was no etiological identification in 35%, and RV combined with BP was identified in 5%. All patients had similar demographic characteristics. Cough followed by inspiratory stridor or cyanosis was a strong predictor of pertussis, as well as prominent leukocytosis and lymphocytosis. Rhinorrhea and dyspnea were more frequent in viral infections. Macrolides were discontinued in 40% of patients who tested positive for RV and negative for BP. Conclusion: the results suggest that viral infection can be present in hospitalized infants with clinical suspicion of pertussis, and etiological tests may enable a reduction in the use of macrolides in some cases. However, the etiological diagnosis of respiratory virus infection, by itself, does not exclude the possibility of infection with BP.
dc.description.abstractObjetivo: avaliar a frequência das infecções por vírus respiratórios em lactentes hospitalizados com suspeita clínica de coqueluche e analisar suas características admissionais e evolutivas. Métodos: foi realizado um estudo de coorte histórica, em um serviço sentinela para coqueluche, no qual a pesquisa de vírus respiratórios também foi rotineira para os lactentes hospitalizados com problemas respiratórios. Foram incluídos todos os lactentes submetidos à notificação compulsória de suspeita de coqueluche. Foram realizadas pesquisas para Bordetela pertussis – BP (PCR/cultura) e vírus respiratórios – VR (imunofluorescência). Foram excluídos os pacientes que haviam recebido macrolídeos previamente à internação. Os dados clínicos foram obtidos dos prontuários. Resultados: dentre os 67 pacientes analisados, a pesquisa para BP foi positiva em 44% e para VR em 26%. Não houve identificação etiológica em 35% e em 5% houve codetecção de VR e BP. Todos os pacientes apresentaram características demográficas semelhantes. A presença de tosse seguida de guincho inspiratório ou cianose foi um forte preditor de coqueluche, assim como, leucocitose e linfocitose evidentes. Coriza e dispneia foram mais frequentes nas infecções virais. Houve suspensão do uso de macrolídeos em 40% dos pacientes com pesquisa positiva para VR e negativa para BP. Conclusão: os resultados sugerem que lactentes hospitalizados com suspeita de coqueluche podem apresentar infecção viral e a pesquisa etiológica pode possibilitar a redução do uso de macrolídeos em alguns casos. No entanto, salienta-se que o diagnóstico etiológico de infecção por vírus respiratórios, por si só, não exclui a possibilidade de infecção por Bordetella pertussis
dc.description.indexMEDLINE
dc.identifier.citationJORNAL DE PEDIATRIA, v.89, n.6, p.549-553, 2013
dc.identifier.doi10.1016/j.jped.2013.05.004
dc.identifier.eissn1678-4782
dc.identifier.issn0021-7557
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/5155
dc.language.isopor
dc.language.isoeng
dc.publisherSOC BRASIL PEDIATRIA
dc.relation.ispartofJornal de Pediatria
dc.rightsopenAccess
dc.rights.holderCopyright SOC BRASIL PEDIATRIA
dc.subjectWhooping cough
dc.subjectBordetella pertussis
dc.subjectRespiratory tract infections
dc.subjectInfant
dc.subjectCoqueluche
dc.subjectVírus respiratórios
dc.subjectInfecção respiratória
dc.subjectLactentes
dc.subject.otherdiagnosis
dc.subject.wosPediatrics
dc.titleRespiratory viral infections in infants with clinically suspected pertussis
dc.title.alternativeRespiratory viral infections in infants with clinically suspected pertussis
dc.title.alternativeInfecções por vírus respiratórios em lactentes com suspeita clínica de coqueluche
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.citation.scopus19
hcfmusp.contributor.author-fmusphcCRISTINA PROTA
hcfmusp.contributor.author-fmusphcALFREDO ELIAS GILIO
hcfmusp.contributor.author-fmusphcSANDRA ELISABETE VIEIRA
hcfmusp.description.beginpage549
hcfmusp.description.endpage553
hcfmusp.description.issue6
hcfmusp.description.volume89
hcfmusp.origemWOS
hcfmusp.origem.pubmed24035869
hcfmusp.origem.scieloSCIELO:S0021-75572013000600006
hcfmusp.origem.scopus2-s2.0-84887044822
hcfmusp.origem.wosWOS:000328910100006
hcfmusp.publisher.cityRIO DE JANEIRO, RJ
hcfmusp.publisher.countryBRAZIL
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hcfmusp.scopus.lastupdate2024-05-10
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