Pneumology - Systematic Reviews Open access

Thoracoscopic blood patch instillation for persistent air leak in pneumothorax: a case series and systematic review

Authors

Published
21 July 2025
Section
Pneumology - Systematic Reviews
DOI
10.4081/monaldi.2024.2994

Abstract

Persistent air leaks in patients with pneumothorax can lead to significant morbidity. If a patient with a persistent air leak is medically unfit for thoracic surgery, either medical pleurodesis via chest tube or thoracoscopy is an option. Thoracoscopy offers the advantage of visualizing the site of the air leak and enabling direct instillation of the pleurodesis agent or glue at that location. Autologous blood patch instillation via chest tube has been reported to be a cheap and very effective technique for the management of persistent air leaks. However, thoracoscopic blood patch instillation has not been reported in the literature. We report two cases of secondary spontaneous pneumothorax in which patients had persistent air leaks for more than 7 days and were subjected to thoracoscopy to locate the site of the leak. In the same sitting, 50 mL of autologous blood patch was instilled directly at the leak site. Post-procedure, the air leak subsided in both patients, and the chest tube was removed with complete lung expansion. We also conducted a systematic review of the use of medical thoracoscopic interventions for treating persistent air leaks.

Keywords

References

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