Author： Rashed A. Al
Publisher： Routledge Ltd
ISSN： 1364-8594
Source： Annals of Tropical Medicine and Parasitology, Vol.92, Iss.5, 1998-07, pp. : 595-601
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Abstract
The role of Mycoplasma pneumoniae and viruses in the various clinical presentations of acute respiratorytract infection (ARTI) was studied in Saudi children seen at King Khalid University Hospital (KKUH) between January 1995 and January 1996. The study population comprised 511 children (age < 14="" years)="" of="" both="" sexes.="" nasopharyngeal="" aspirates="" (npa)="" and="" acute-phase="" sera="" were="" collected.="" convalescent="" sera="" were="" only="" available="" from="" 334="" of="" the="" patients="" (with="" an="" interval="" of="" 15-42="" days="" between="" collection="" of="" the="" acute="" and="" corresponding="" convalescent="" sera).="" respiratory="" syncytial="" virus="" (rsv)="" was="" the="" most="" commonly="" detected="" virus,="" found="" in="" 69%="" of="" patients.="" mycoplasma="" pneumoniae="" ,="" found="" in="" 9%="" of="" the="" patients,="" appeared="" to="" be="" the="" second="" most="" common="" causative="" agent="" (this="" is="" the="" first="" time="" the="" prevalence="" of="" this="" agent="" in="" arti="" among="" saudi="" children="" has="" been="" studied),="" followed="" by="" influenza="" a="" virus="" (present="" in="" 8%="" of="" the="" patients).="" rsv="" was="" highly="" prevalent="" during="" the="" colder="" months="" (october-april),="" with="" a="" peak="" in="" january-february,="" whereas="" there="" was="" little="" seasonal="" fluctuation="" in="" the="" prevalence="" of="" m.="" pneumoniae="" .="" although="" most="" (60%)="" of="" the="" m.="" pneumoniae="" infections="" were="" in="" patients="" aged="">60 months, RSV was detected in 22% of the patients aged 1-5 months of age and only in 6% of those aged >60 months. Infection with M. pneumoniae was found mainly in children with broncho-pneumonia (12 cases) and lobar pneumonia (three cases). Most of those infected with RSV had bronchiolitis (53 cases), followed by bronchopneumonia (24 cases) and bronchial asthma (20 cases). As their prevalences were low, it was difficult to draw any conclusions about possible associations between the other viral agents encountered (influenza, para-influenza and adenovirus) and clinical disease.
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