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Updated: Apr 25, 2026

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
Published on: August 26, 2025
[Present status of interventional pulmonology]
Keishi Ohtani1, Norihiko Ikeda
1Department of Surgery 1, Tokyo Medical University, Tokyo, Japan.
Endobronchial interventions relieve airway obstruction symptoms like dyspnea and hemoptysis. Treatment selection is crucial for managing malignant and benign airway tumors effectively.
Area of Science:
- Pulmonology and Interventional Bronchology
- Oncology
- Medical Technology
Context:
- Malignant and benign central airway obstruction significantly impacts patient quality of life, causing dyspnea and hemoptysis.
- Bronchoscopic intervention offers immediate symptom relief for airway obstruction.
- Established endobronchial therapies include laser ablation, coagulation, and stent placement.
Purpose:
- To review established endobronchial therapies for malignant and benign airway obstruction.
- To discuss the advantages and disadvantages of various bronchoscopic interventions.
- To emphasize the importance of selecting appropriate treatment methods for optimal patient outcomes.
Summary:
- Neodymium Yttrium Aluminum Garnet (Nd:YAG) laser therapy provides thermal ablation but carries a risk of perforation.
- Photodynamic therapy shows curative potential for early lung cancer and is approved for advanced stages.
- Stent placement effectively re-establishes airway patency but is associated with restenosis, migration, and mucus plugs.
Impact:
- Provides a comparative overview of endobronchial treatment modalities for airway obstruction.
- Highlights the critical role of personalized treatment selection in managing airway tumors.
- Informs clinical decision-making for interventional pulmonologists and oncologists.
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