Pneumothorax after CT-Guided Lung Biopsy: What Next?
Faiz Altaf Shera1, Tahleel Altaf Shera1, Omair Ashraf Shah1
1Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India.
The Indian Journal of Radiology & Imaging
|June 26, 2023
Summary
Pneumothorax after CT-guided lung biopsy is common. Most cases are mild and require observation, while moderate cases benefit from needle aspiration, reducing the need for pigtail catheter insertion.
Area of Science:
- Pulmonology
- Interventional Radiology
Background:
- Pneumothorax is a frequent complication of computed tomography (CT)-guided lung biopsy.
- Incidence of asymptomatic pneumothorax ranges from 17.5% to 72%, with 6% to 18% requiring chest tube intervention.
Purpose of the Study:
- To evaluate the efficacy of needle aspiration and pigtail catheter insertion in managing post-biopsy pneumothoraces.
- To determine optimal management strategies based on pneumothorax severity and symptoms.
Main Methods:
- Prospective observational study over 2 years.
- CT scans quantified pneumothoraces (mild, moderate, severe) post-biopsy.
- Management included observation, needle aspiration, or pigtail catheter insertion based on severity and symptoms.
Main Results:
- 91 mild, 42 moderate, and 18 severe pneumothoraces were identified.
- Only 1% of mild pneumothoraces progressed, while 9.5% of moderate cases managed by aspiration required further intervention.
- 23 cases (15.2%) ultimately required pigtail catheter insertion, with a mean catheterization duration of 3.74 days.
Conclusions:
- Most post-biopsy pneumothoraces are benign and managed effectively with observation.
- Needle aspiration is successful in 90% of moderate pneumothoraces, reducing invasive procedures.
- Pigtail catheter insertion is a safe and effective treatment for severe or progressing pneumothoraces, required in only 6.4% of cases.
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