Indan Journal of Medical Research Indan Journal of Medical Research Indan Journal of Medical Research Indan Journal of Medical Research
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STUDENT IJMR
Year : 2019  |  Volume : 150  |  Issue : 3  |  Page : 306-309

Detection of respiratory syncytial virus & Mycoplasma pneumoniae in paediatric lower respiratory tract infections


1 Maulana Azad Medical College, New Delhi, India
2 Department of Microbiology, Maulana Azad Medical College, New Delhi, India
3 Department of Pediatrics, Maulana Azad Medical College, New Delhi, India

Correspondence Address:
Dr Surinder Kumar
Department of Microbiology, Maulana Azad Medical College, New Delhi 110 002
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijmr.IJMR_983_18

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Background & objectives: Respiratory syncytial virus (RSV) and Mycoplasma pneumoniae are considered common cause of lower respiratory tract infections (LRTIs) in children. The present study was conducted to detect M. pneumoniae and RSV in paediatric LRTIs employing serology, polymerase chain reaction (PCR) and reverse transcriptase PCR (RT-PCR) analysis. Methods: Seventy five children aged one month to five years with acute LRTIs were investigated for M. pneumoniae antibodies and RSV antigen using immunochromatographic test, RT-PCR for RSV and M. pneumoniae by PCR on nasopharyngeal aspirates. Results: RSV infection was observed in 33 (44%) and M. pneumoniae was positive in 26 (35%) children. No significant difference in infection was noted between male and female children. Clinical and radiological features among RSV and M. pneumoniae positive and negative cases were similar. Considering RT-PCR for RSV as gold standard, RSV antigen immunochromatography was 90.90 per cent sensitive and 100 per cent specific. Interpretation & conclusions: Our study showed the presence of RSV and M. pneumoniae infection in 44 and 35 per cent children, respectively with community-acquired LRTIs and aged less than five years.


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