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Adenovirus-associated pneumonia in South African children: Presentation, clinical course and outcome
1Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital and Faculty of Health Sciences, University of Cape Town, South Africa. m.zampoli@uct.ac.za.
Insights
Adenovirus causes severe pneumonia and persistent lung disease (PLD) in children. Intensive care unit admission and positive blood cultures indicate a poor prognosis for pediatric adenovirus pneumonia.
Area of Science:
- Pediatric infectious diseases
- Respiratory medicine
- Virology
Background:
- Viruses are significant causes of childhood pneumonia.
- Adenovirus is identified as a key etiological agent in pediatric respiratory infections.
Purpose of the Study:
- To examine the clinical features, disease severity, and outcomes of children with adenovirus-associated pneumonia (AVP).
- To identify risk factors associated with severe outcomes in pediatric AVP.
Main Methods:
- Retrospective analysis of 206 AVP cases over 12 months.
- Data collected included demographics, clinical course, and outcomes such as persistent lung disease (PLD) and mortality.
- Statistical analysis identified risk factors for mortality and PLD.
Main Results:
- Adenovirus-associated pneumonia (AVP) affected children with a median age of 12 months.
- Malnutrition (34.0%) and HIV infection (6.8%) were noted comorbidities.
- Persistent lung disease (PLD) developed in 14.1% of cases, often associated with hypoxia and ICU admission.
- Mortality occurred in 8.7% of cases, with independent risk factors including ICU admission and positive blood cultures.
Conclusions:
- Adenovirus is a significant cause of pneumonia and persistent lung disease (PLD) in young children, particularly in South Africa.
- Intensive care unit (ICU) admission and positive blood cultures are indicators of poor outcomes in pediatric AVP.
Background:
Viruses have emerged as important aetiological agents of childhood pneumonia.
Objective:
To investigate the clinical presentation, severity and outcome of adenovirus-associated pneumonia (AVP) in children.
Methods:
A retrospective analysis of AVP cases over 12 months was performed, including demographic, clinical course and outcome (death, persistent lung disease (PLD)) data.
Results:
Two hundred and six AVP cases (median age 12 months, interquartile range 6 - 24) were identified; 70 children (34.0%) were malnourished and 14 (6.8%) were HIV-infected. Twenty-nine children (14.1%) developed PLD, which was associated with hypoxia at presentation in 26 cases (89.7%; p=0.01) and necessitated admission to the intensive care unit (ICU) in 18 (62.1%; p<0.01); 18/206 children (8.7%) died. Admission to the ICU (odds ratio (OR) 8.3, 95% confidence interval (CI) 2.3 - 29.0) and a positive blood culture (OR 11.2, 95% CI 2.3 - 54.1) were independent risk factors for mortality.
Conclusions:
Adenovirus is a potential cause of pneumonia and PLD in young children in South Africa. ICU admission and a positive blood culture were associated with poor outcome.
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