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Tracheobronchial foreign bodies in children: reaching a diagnosis
1Department of Paediatric Surgery, National Institute of Child Health, Karachi.
Insights
Diagnosing tracheobronchial foreign body aspiration in children is challenging. A history of aspiration, physical exam, and chest X-rays are unreliable alone; diagnosis requires cumulative evidence.
Area of Science:
- Pediatric Pulmonology
- Medical Diagnostics
Background:
- Tracheobronchial foreign body aspiration is a major cause of illness and death in children.
- Diagnosis is frequently delayed as symptoms mimic other respiratory issues.
Purpose of the Study:
- To evaluate the diagnostic utility of aspiration history, physical examination, and chest radiography for pediatric foreign body aspiration.
- To correlate these diagnostic parameters with bronchoscopy findings.
Main Methods:
- Retrospective analysis of pediatric cases with suspected foreign body aspiration.
- Correlation of clinical history, physical findings, and plain chest radiographs with bronchoscopic results.
Main Results:
- A history of foreign body aspiration was found to be unreliable across all pediatric age groups (p > 0.1).
- Physical examination findings suggestive of foreign body aspiration or its sequelae were not consistently indicative (p > 0.1).
- Plain chest radiographs were often normal or misleading in diagnosing foreign body aspiration.
Conclusions:
- Diagnosis of tracheobronchial foreign body aspiration in children relies on the cumulative evidence from history, physical exam, and imaging.
- The study emphasizes the risks associated with betel nut aspiration, a common foreign body in this population.
Abstract:
Tracheobronchial foreign body aspiration constitutes a significant cause of morbidity and mortality in the paediatric age group. Diagnosis is often delayed with symptoms and signs being attributed to other causes of respiratory distress. In this study we evaluate the importance of three criteria on which the diagnosis of foreign body aspiration may be based--a history of aspiration, physical examination and a plain chest radiograph. These parameters are correlated with findings on bronchoscopy. It is seen that a history of foreign body aspiration is notoriously unreliable in children of all age groups (p > 0.1). Similarly, presence or absence of findings on physical examination suggestive of foreign body aspiration or its sequalae are not always indicative (p > 0.1). Chest radiograph may be normal or misleading. It is therefore concluded that this is a diagnosis based on the cumulative evidence provided by all three parameters in the clinical context. The hazards of betel nut intake, the object most commonly incriminated, are emphasized.