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  • Title: Serological and molecular detection of Mycoplasma pneumoniae in children with community-acquired lower respiratory tract infections.
    Author: Kumar S, Garg IB, Sethi GR.
    Journal: Diagn Microbiol Infect Dis; 2019 Sep; 95(1):5-9. PubMed ID: 31097260.
    Abstract:
    This study was designed to evaluate the incidence of Mycoplasma pneumoniae infection in children with community-acquired lower respiratory tract infections (LRTIs). A total of 245 patients 6 months to 12 years of age were investigated for M. pneumoniae employing serological tests, polymerase chain reaction (PCR), nested PCR, and reverse transcription PCR (RT-PCR) on throat swab samples. Forty five (59.2%) children <5 years and 31 (40.7%) children ≥5 years age group were positive for M. pneumoniae infection, and this difference was statistically significant (P ≤ 0.01).Clinical and radiological findings across M.pneumoniae-positive and -negative cases were comparable. Serology, PCR, nested PCR, and RT-PCR together detected M. pneumoniae infection in 76 (31%) patients. Sensitivity, specificity, and positive and negative predictive values of PCR were 16.18%, 95.48%, 57.89%, and 74.78%, respectively, and those of serology were 57.89%, 74.78%, 16.18%, and 95.48%, respectively. Serological and molecular detection in combination is useful for rapid and reliable diagnosis of M. pneumoniae infections in children with LRTIs.
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