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Pediatr Crit Care Me · Sep 2012
An investigation into the prevalence and outcome of patients admitted to a pediatric intensive care unit with viral respiratory tract infections in Cape Town, South Africa.
- Andrew C Argent, Ani S Abdul Ghani, Brenda M Morrow, and Diana R Hardie.
- Red Cross War Memorial Children's Hospital, Cape Town, South Africa.
- Pediatr Crit Care Me. 2012 Sep 1;13(5):e275-81.
ObjectivesTo describe the prevalence and outcome of patients admitted to a pediatric intensive care unit with viral respiratory tract infections.DesignRetrospective descriptive study.SettingPediatric intensive care unit in a tertiary pediatric hospital situated in Cape Town, South Africa.PatientsAll children (n = 195; 20% pediatric intensive care unit admissions) with positive respiratory viral isolates between April 1 and December 31, 2009.InterventionsNone.Measurements And Main ResultsDemographic, clinical, laboratory, and outcome data were recorded from medical folders. Complete data were available for 175 patients (median age [interquartile range] 4.7 months [2.3-12.9 months]; 49% male). One hundred four (59.4%) patients had comorbid conditions; 30 (17%) were HIV-infected. Rhinovirus (n = 76 [39%]), respiratory syncytial virus (n = 54 [27.7%]), adenovirus (n = 30 [15.4%]), influenza A (n = 26 [13.3%]), parainfluenza (n = 23 [11.8%]), and human metapneumovirus (n = 12 [6.2%]) were most commonly isolated. Ninety-five infections (51.4%) were isolated >48 hrs after admission. Seasonal patterns were identified for respiratory syncytial virus, human metapneumovirus, and influenza A, whereas others occurred throughout the year. Twenty-five patients (14.3%) had more than one viral isolate. Presumed bacterial coinfection, which occurred in 68 (39%) patients (18 [26.5%] HIV-infected), was associated with significantly longer pediatric intensive care unit and hospital stays but not with mortality. Twenty patients died (11%, standardized mortality ratio 0.64). High Pediatric Index of Mortality scores, HIV exposure and infection, nosocomial infection, and influenza A infection were associated with mortality.ConclusionsViral respiratory tract infection is common in this pediatric intensive care unit associated with significant morbidity and mortality, which may relate to the high burden of comorbidity and HIV.
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