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Demystifying the persistent pneumothorax: role of imaging.
Apeksha Chaturvedi1, Steven Lee2, Nina Klionsky2
1Department of Imaging Science, University of Rochester Medical Center, P.O. Box no. 648, 601 Elmwood Ave, Rochester, NY, 14642, USA. toabhic@gmail.com.
Persistent pneumothorax, defined as an air leak lasting over 48 hours, presents a diagnostic challenge. Identifying the cause, whether chest tube related or a fistula, is crucial for effective treatment.
Area of Science:
- Radiology
- Thoracic Surgery
- Pulmonology
Background:
- Persistent pneumothorax is a common complication after thoracic procedures or trauma.
- It is defined as an ongoing air leak from a chest drain persisting for over 48 hours.
- Identifying the underlying cause is critical for appropriate management.
Purpose of the Study:
- To review the imaging features of persistent pneumothorax.
- To discuss the various etiologies of persistent air leaks.
- To provide an overview of treatment strategies based on identified causes.
Main Methods:
- This pictorial review discusses the physiology of pneumothorax.
- It highlights imaging findings for diagnosing persistent air leaks.
- Computed tomography (CT) is emphasized for problem-solving beyond standard radiographs.
Main Results:
- Chest radiographs can identify chest tube-related issues like kinks or malposition.
- Computed tomography (CT) is superior for detecting other causes, including bronchopleural fistulas.
- Penetrating thoracic injuries may lead to fistulous communications causing persistent air leaks.
Conclusions:
- Accurate interpretation of imaging studies expedites the diagnosis of persistent pneumothorax.
- Identifying the specific etiology guides treatment, ranging from drain repositioning to surgical intervention.
- Prompt diagnosis and targeted treatment are essential for patient outcomes.
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