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Chlamydia pneumoniae and mycoplasma pneumoniae in children with acute respiratory infection in general practices in the Netherlands.
Tjhie, J.H.T., Dorigo-Zetsma, J.W., Roosendaal, R., Brule, A.J.C. van den, Bestebroer, T.M., Bartelds, A.I.M., Vandenbroucke-Grauls, C.M.J.E. Chlamydia pneumoniae and mycoplasma pneumoniae in children with acute respiratory infection in general practices in the Netherlands. Scandinavian Journal of Infectious Diseases: 2000, 32, 13-17
In this retrospective study Chlamydia pneumoniae and Mycoplasma pneumoniae infections were detected by polymerase chain reaction (PCR) in samples (n=457) from children presenting with acute respiratory infection to general practitioners during 1992-97. Samples were collected in autumn and winter, and from 1994 onwards in spring and summer also. Overall, C. pneumoniae and M. pneumoniae were detected in throat or nasal samples by PCR in 3.1% and 2.4% of the cases, respectively. The proportion of both C. pneumoniae and M. pneumoniae infections varied between 0% and 6.9% over the years studied, whereas seasonal proportions varied from 1.8 to 9.1% and 1.2 to 4.5% respectively. For both microorganisms the lowest proportion was detected during winter and the highest in summer. C.pneumoniae could already be detected by PCR in patients under 4 year of age, an observation not made in sero-epidemiological studies. In conclusion, both C. pneumoniae and M.pneumoniae infections play a minor role in children presenting with acute respiratory infection. (aut.ref.)
In this retrospective study Chlamydia pneumoniae and Mycoplasma pneumoniae infections were detected by polymerase chain reaction (PCR) in samples (n=457) from children presenting with acute respiratory infection to general practitioners during 1992-97. Samples were collected in autumn and winter, and from 1994 onwards in spring and summer also. Overall, C. pneumoniae and M. pneumoniae were detected in throat or nasal samples by PCR in 3.1% and 2.4% of the cases, respectively. The proportion of both C. pneumoniae and M. pneumoniae infections varied between 0% and 6.9% over the years studied, whereas seasonal proportions varied from 1.8 to 9.1% and 1.2 to 4.5% respectively. For both microorganisms the lowest proportion was detected during winter and the highest in summer. C.pneumoniae could already be detected by PCR in patients under 4 year of age, an observation not made in sero-epidemiological studies. In conclusion, both C. pneumoniae and M.pneumoniae infections play a minor role in children presenting with acute respiratory infection. (aut.ref.)