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Updated: Aug 7, 2025

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
Published on: November 10, 2023
A novel edge-marking method in pleural covering with video-assisted thoracic surgery
Aki Fujiwara-Kuroda1, Yasuhiro Hida1, Hideki Ujiie1
1Department of Thoracic Surgery, Hokkaido University Hospital, Sapporo, Japan.
This study introduces a novel technique for total pleural covering using dotted line folded surgical sheets. This method simplifies thoracoscopic procedures for diffuse cystic lung diseases, enhancing safety and efficacy.
Area of Science:
- Thoracic Surgery
- Pulmonary Medicine
- Surgical Innovation
Background:
- Total pleural covering reinforces the visceral pleura, preventing pneumothorax in diffuse cystic lung diseases like lymphangioleiomyomatosis.
- Current thoracoscopic techniques for pleural covering are technically demanding, risking sheet disarrangement and incorrect grasping.
Purpose of the Study:
- To present a simplified technique for total pleural covering during thoracoscopic surgery.
- To address the technical challenges associated with unfolding and applying surgical sheets during pleurodesis.
Main Methods:
- Development of a novel technique using pre-folded surgical sheets with dotted line markings.
- Application of these marked sheets during reduced port thoracoscopic surgery for pleural covering.
Main Results:
- The dotted line markings on the surgical sheets clearly indicate the correct grasping points.
- This marking system significantly eased the thoracoscopic procedure, preventing errors in sheet manipulation.
- The technique proved effective for total pleural covering in reduced port thoracoscopic surgery.
Conclusions:
- Dotted line folded surgical sheets offer a practical solution to improve the ease and safety of thoracoscopic pleural covering.
- This innovative method is particularly beneficial for complex procedures like those required for diffuse cystic lung diseases.
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