RT-PCR detection of respiratory pathogens in newborn children admitted to a neonatal medium care unit.

P.M. Smit, S.M. Pronk, J.C. Kaandorp, O. Weijer, F.N. Lauw, P.H.M. Smits, E.C. Claas, J.W. Mulder, J.H. Beijnen, D.P.M. Brandjes

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Background:This study aimed to determine the prevalence of respiratory pathogens among newborns admitted to a neonatal medium care unit (NMCU) and to identify clinical predictors.Methods:A 1-y observational study was performed of neonates admitted to an NMCU in Amsterdam, The Netherlands. Nasopharyngeal samples were collected for the detection of respiratory viruses and bacteria by real-time PCR (RT-PCR). Cycle threshold (Ct) values were provided to estimate viral load. Predictors for the presence of study pathogens were identified.Results:From October 2010 through September 2011, 334 neonates (median age 1.3 d, 53.6% male) were included. Overall, 37 respiratory pathogens were detected in 34 children (10.2%): parainfluenza-1 (n = 9), human rhinovirus (n = 7), parainfluenza-3 (n = 6), respiratory syncytial virus (RSV, n = 6), Streptococcus pneumoniae (n = 3), adenovirus (n = 2), human coronavirus (n = 2), influenza A (n = 1), and bocavirus (n = 1). Neonates with higher viral loads (Ct /=35; n = 23). Two variables significantly contributed to the detection of study pathogens: age (odds ratio (OR) 1.21 for each day older; 95% confidence interval 1.12-1.30) and rhinorrhea (OR 6.71; 95% confidence interval 1.54-29.21).Conclusion:Respiratory pathogens seem to play a role in neonates admitted to an NMCU. The influence of respiratory pathogen detection on clinical management remains to be determined.
Original languageEnglish
Pages (from-to)355-361
Number of pages7
JournalPediatric Research
Volume73
Issue number3
DOIs
Publication statusPublished - 2013

Keywords

  • Epidemiology
  • Paediatrics
  • Pathology
  • Respiratory tract diseases
  • coronavirus

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