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Objective: To determine the clinical presentation and treatment strategies for children admitted with pleural empyema., Methodology: Retrospective review of medical and radiological records of 54 patients admitted with pleural empyema between January 1989 and April 1997., Results: Fever (98%), cough (83%), chest pain (38%), clinical cyanosis (17%) and abdominal pain (16%) were common clinical features. The causative organism was identified in 17 patients (31%). Intravenous antibiotics were given for a mean of 18. 2 +/- 7.5 days. Forty-seven (87%) patients had closed chest tube drainage and 21(39%) patients underwent decortication for unsatisfactory response to medical treatment. The chest tube insertion was more likely to be delayed in patients who required decortication, although the difference was not significant (8.1 +/- 5.4 vs 6.3 +/- 5.2 days of illness, P = 0.67). All patients were discharged well, with almost complete resolution of the chest radiograph at 6 months., Conclusions: Intensive medical management with adequate chest tube drainage and appropriate antibiotics will result in full resolution for most patients. Surgical intervention is important in patients who fail to receive adequate treatment early in the disease.

Objective: To study the viral aetiology of lower respiratory tract infection (LRTI) in young Malaysian children., Methodology: A retrospective review was performed of LRTI patients aged less than 24 months who were admitted to the University Malaya Medical Centre between 1982 and 1997. Respiratory viruses in their nasopharyngeal secretion were identified by indirect immunofluorescence, viral culture, or both., Results: A total of 5691 children were included in the study. The mean age was 8.6 +/- 6.6 months and the M:F ratio was 1.6:1. The most common diagnosis was pneumonia (52%) followed by bronchiolitis (45%) and croup (2%). Positive viral isolation rate was 22.0%. Respiratory syncytial virus (RSV) was the commonest virus isolated (84%), followed by parainfluenza virus (8%), influenza virus (6%) and adenovirus (2%). Patients with positive virus isolation were younger (7.8 +/- 6.2 vs 8.7 +/- 6.7 months, P = 0.0001) and were more likely to have bronchiolitis., Conclusion: Young Malaysian children admitted with LRTI had a 22% viral isolation rate and RSV was the commonest virus isolated.