Title Respiratory viruses associated with severe mechanically ventilated pneumonia in children.
Author El-Nawawy, Ahmed; Antonios, Manal Am; Meheissen, Marwa A; Fahim, Marwan M
Journal J Med Virol Publication Year/Month 2022-Feb
PMID 34415627 PMCID PMC8426888
Affiliation + expend 1.Department of Pediatrics, Faculty of Medicine, El-Shatby Children's Hospital Alexandria, Alexandria University, Alexandria, Egypt.

The burden of pneumonia, especially that caused by respiratory viruses, is markedly high in the pediatric age group. This study aimed to assess viral agents causing severe pneumonia among mechanically ventilated patients. Nonbronchoscopic bronchoalveolar lavage was performed for pediatric patients having severe pneumonia indicated for mechanical ventilation to be tested with a multiplex PCR immediate diagnosis of their etiologic pathogen. Among the 75 patients recruited, viral agents were detected in 73.4% of cases. Rhinovirus and respiratory syncytial virus (RSV) were the most common viruses detected in 32.1% and 29.5%, respectively. The rate of viral infection showed a clear increased incidence in the winter season. The mortality rate among viral-associated severe pneumonia reached 56.36%. Odds of mortality increased threefolds in presence of comorbid conditions and 10-folds with congenital heart disease. The study demonstrated the neglected importance of rhinovirus besides RSV in causing severe critical pneumonia in the pediatric age.

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