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Obliterative bronchiolitis in children
K A Hardy1, D V Schidlow, N Zaeri
1Department of Pediatrics, Temple University School of Medicine, Philadelphia.
Insights
Obliterative bronchiolitis (OB) in children presents with persistent respiratory symptoms after pneumonia or aspiration. Early recognition through specific clinical, radiologic, and histologic signs can improve patient outcomes.
Area of Science:
- Pediatric Pulmonology
- Respiratory Pathology
Background:
- Obliterative bronchiolitis (OB) is a severe airway disease in children.
- Early identification of OB is crucial for timely intervention and improved prognosis.
Purpose of the Study:
- To review clinical, radiologic, and histologic features of pediatric obliterative bronchiolitis (OB).
- To identify key indicators for early recognition of OB in children.
Main Methods:
- Retrospective review of autopsies, lung biopsies, and medical records of children from 1960-1985.
- Confirmation of OB using established radiologic and histologic criteria.
Main Results:
- Nineteen cases of pediatric OB were confirmed.
- Twelve patients were diagnosed during life, with ten survivors.
- Seven cases were diagnosed post-mortem.
Conclusions:
- Consider OB in children with persistent respiratory signs post-pneumonia or aspiration.
- Diagnostic tools include ventilation-perfusion scans, bronchography, and lung biopsy.
- Early recognition and supportive care are vital for managing pediatric OB and its sequelae.
Abstract:
Clinical, radiologic and histologic features of obliterative bronchiolitis (OB) in children were reviewed to define features helpful in early recognition. All autopsies (n = 2,897), lung biopsies (n = 244), and medical records of children followed at St. Christopher's Hospital for Children (SCHC) between 1960 and 1985 were screened. Nineteen cases of OB were confirmed using radiologic and histologic criteria. Twelve patients were diagnosed during life, and ten survived. Seven were diagnosed post mortem. OB should be considered when persistent respiratory signs and symptoms follow acute pneumonia, aspiration is known or suspected, areas of hyperlucency are seen on chest radiograph, or respiratory failure with overaeration is unresponsive to therapy. Diagnostic studies include ventilation-perfusion scan, bronchography and lung biopsy. Sequelae include dyspnea on exertion, obstructive lung disease, bronchiectasis, persistent atelectasis, and hyperlucent lung syndrome. Recognition and supportive treatment during the acute and chronic phases may improve the functional status of these patients.