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CC BY-NC-ND 4.0 · Indian J Radiol Imaging 2023; 33(03): 309-314
DOI: 10.1055/s-0043-1764293
Original Article

Pneumothorax after CT-Guided Lung Biopsy: What Next?

Faiz Altaf Shera
1   Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
,
Tahleel Altaf Shera
1   Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
,
Omair Ashraf Shah
1   Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
,
Irfan Robbani
1   Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
,
Naseer Ahmad Choh
1   Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
,
Feroze Shaheen
1   Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
,
Tariq Ahmad Gojawari
1   Department of Radiodiagnosis and Imaging, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
› Institutsangaben Funding None.
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Abstract

Background Pneumothorax is the most common complication of computed tomography (CT)-guided lung biopsy. The asymptomatic rate ranges from 17.5 to 72%. The symptomatic rate requiring chest tube insertion is 6 to 18%.

Aims This article studies the role of management of postbiopsy pneumothoraces by needle aspiration and pigtail catheter insertion.

Methods This was a prospective observational study conducted over 2 years. Postbiopsy and prior to withdrawing the coaxial cannula a CT data set was obtained to detect and quantify pneumothoraces as mild, moderate, and severe. In all asymptomatic cases of mild pneumothorax simple observation was done. In all asymptomatic cases of moderate pneumothorax, immediate needle aspiration was performed. In all symptomatic cases, cases with severe pneumothorax, and cases with progressively enlarging pneumothorax small caliber 6 to 8F pigtail catheters were inserted.

Results Ninety-one cases had mild pneumothorax, 42 had moderate pneumothorax, and 18 had severe pneumothorax. In the 91 patients of mild pneumothorax only 1 (1%) patient showed increase in size of pneumothorax on follow-up requiring catheter insertion. In the 42 cases of moderate pneumothorax, which were managed by simple aspiration of pneumothorax, 4 (9.5%) cases showed increase in size of pneumothorax on follow-up. A total 23 cases required pigtail catheter insertion in our study. These constituted 15.2% of pneumothorax cases. The mean duration of catheterization in our study was 3.74 ± 1.09 days.

Conclusion Majority of pneumothoraces are benign and do not require any intervention, just observation. Manual aspiration is an effective way of treating moderate pneumothoraces with success rate of 90%, thereby reducing the number of cases requiring catheter insertion; however, close observation is required as few cases may progress to severe pneumothorax and require pigtail insertion. Only a small percentage of biopsy cases (6.4%) require catheter insertion which is a safe and effective treatment.

Keywords

lung - biopsy - pneumothorax - management - aspiration

Authors' Contributions

S.F.A. contributed with writing and concept design. S.T.A. contributed with data analysis and writing concept. S.O.A. took part in literature search and literature review. R.I. conducted literature search and literature review. C.N.A. contributed with editing, literature review, and preparation. G.T. contributed with data acquisition and data analysis. S.F. contributed with data analysis and data acquisition.




Publikationsverlauf

Artikel online veröffentlicht:
15. März 2023

© 2023. Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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