| Efficacy of portable ultrasonography for early detection of pneumothorax following lung biopsy |
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Won Gun Kwack1, Manbong Heo2, Yeonseok Choi1, Cheon Woong Choi1, Byoung Soo Kwon3, Yeon Wook Kim3, Jong Sun Park3, Young-Jae Cho3, Jae Ho Lee3, Sung Yoon Lim3 |
1Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Kyung Hee University, Seoul, South, Republic of Korea
2Division of Pulmonology and Allergy, Department of Internal Medicine, Gyeongsang National University Hospital, Jinju, Republic of Korea
3Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea |
Correspondence:
Sung Yoon Lim, Tel: 82-31-787-7078, Fax: 82-31-787-4050,
Email: nucleon727@snu.ac.kr
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Received: 26 November 2024 • Revised: 22 January 2025 • Accepted: 24 February 2025
*Won Gun Kwack and Manbong Heo contributed equally to this study as co-first authors. |
| Abstract |
Background
Pneumothorax is a notable complication of lung biopsy, and its early detection is crucial. This study aimed to compare the sensitivities of handheld portable lung ultrasonography and chest radiography for identifying early pneumothorax after lung biopsy.
Methods
Both upright chest radiography and lung ultrasonography were performed 3 and 24 hours after lung biopsy. The disappearance of lung sliding and the appearance of lung points were considered evidence of pneumothorax on lung ultrasonography.
Results
Of the 86 patients in this study, 23 were diagnosed with pneumothorax within 24 hours of biopsy. No significant differences were observed in sex, age, or baseline lung function between the pneumothorax and non-pneumothorax groups. The sensitivities of lung ultrasonography and chest radiography for pneumothorax detection were 73.9% and 47.8%, respectively, at 3 hours and 91.3% and 78.3%, respectively, at 24 hours. Furthermore, at 3 hours, the area under the curve for lung ultrasonography for diagnosing pneumothorax was significantly higher than that for chest radiography (0.870 vs. 0.739, p = 0.043); however, the difference was not significant at 24 hours (p = 0.254).
Conclusion
These preliminary results show lung ultrasonography is more sensitive than chest radiography to detect early pneumothorax after lung biopsy and may be advantageous for the rapid diagnosis of pneumothorax. |
| Key Words:
Pneumothorax, Lung Ultrasonography, Chest Radiography |
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