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CT findings of plastic bronchitis in children after a Fontan operation
Hyun Woo Goo1, Won Kyoung Jhang, Young Hwee Kim
1Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Poongnap-2 dong, Songpa-gu, Seoul, South Korea. hwgoo@amc.seoul.kr
Insights
Computed tomography (CT) can identify airway and lung abnormalities in children with plastic bronchitis after a Fontan operation. This imaging technique aids in guiding bronchoscopy and monitoring treatment, potentially improving outcomes.
Area of Science:
- Pediatric Cardiology
- Thoracic Imaging
- Respiratory Medicine
Background:
- Plastic bronchitis is a rare cause of acute obstructive respiratory failure in children.
- It is frequently associated with repaired cyanotic congenital heart disease, particularly after the Fontan operation.
- Diagnosis is often delayed until bronchial casts are expectorated.
Purpose of the Study:
- To describe the computed tomography (CT) findings in pediatric patients with plastic bronchitis following a Fontan operation.
- To correlate CT findings with clinical presentation and treatment response.
Main Methods:
- Chest CT scans of three children diagnosed with plastic bronchitis post-Fontan operation were analyzed.
- Bronchial casts were confirmed through expectoration or bronchoscopic extraction.
- Airway and lung abnormalities visualized on CT were systematically evaluated.
Main Results:
- CT revealed bronchial casts obstructing central airways in all patients, leading to atelectasis and consolidation.
- No associated bronchiectasis was observed.
- Airway and lung abnormalities showed rapid improvement after bronchial cast removal.
Conclusions:
- Computed tomography is effective in identifying airway and lung abnormalities in children with plastic bronchitis post-Fontan operation.
- CT can guide bronchoscopic interventions and monitor treatment efficacy.
- Utilizing CT may lead to improved clinical outcomes for these patients.
Background:
Plastic bronchitis is a rare cause of acute obstructive respiratory failure in children. Life-threatening events are much more frequent in patients with repaired cyanotic congenital heart disease, and most frequent following a Fontan operation. Commonly, the diagnosis is not made until bronchial casts are expectorated. Detailed CT findings in plastic bronchitis have not been described.
Objective:
To describe the CT findings in plastic bronchitis in children after a Fontan operation.
Materials And Methods:
Three children with plastic bronchitis after a Fontan operation were evaluated by chest CT. Bronchial casts were spontaneously expectorated and/or extracted by bronchoscopy. Airway and lung abnormalities seen on CT were analyzed in the three children.
Results:
CT demonstrated bronchial casts in the central airways with associated atelectasis and consolidation in all children. The affected airways were completely or partially obstructed by the bronchial casts without associated bronchiectasis. The airway and lung abnormalities rapidly improved after removal of the bronchial casts.
Conclusion:
CT can identify airway and lung abnormalities in children with plastic bronchitis after a Fontan operation. In addition, CT can be used to guide bronchoscopy and to monitor treatment responses, and thereby may improve clinical outcomes.
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