Related Experiment Video
Updated: Jan 17, 2026

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
Published on: August 26, 2025
Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
Qingqiong Zhang1, Xuechun Sun1, Kaiyu Jiang2
1Heart, Lung and Vessels Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China.
Abstract:
Fibrosing mediastinitis (FM) is a rare but severe disease characterized by abnormal proliferation of fibrous tissue within the mediastinum. Pulmonary vein stenosis (PVS) is a life-threatening complication of FM, with a poor prognosis if not properly treated. Currently, catheter-based endovascular angioplasty is an alternative for patients suffering from PVS and has demonstrated significant short-term efficacy. The main steps of this technique include evaluating the structures involved in the mediastinum via computed tomography pulmonary angiography (CTPA), establishing transseptal access, performing selective pulmonary venography, conducting balloon angioplasty and stent implantation for the pulmonary veins, monitoring hemodynamic parameters before, during, and after endovascular angioplasty, and providing post-intervention care and routine follow-up. This study discusses the formulation of interventional strategies based on the characteristics of compressed pulmonary vessels and adjacent structures in CTPA, as well as the possible periprocedural complications and corresponding management strategies. This article primarily presents a step-by-step demonstration of catheter-based endovascular angioplasty for PVS caused by FM (PVS-FM).
Insights
Catheter-based endovascular angioplasty offers a viable treatment for pulmonary vein stenosis (PVS) caused by fibrosing mediastinitis (FM). This minimally invasive approach demonstrates short-term efficacy in managing this severe condition.
Area of Science:
- Cardiovascular Medicine
- Interventional Radiology
- Pulmonary Medicine
Background:
- Fibrosing mediastinitis (FM) is a rare condition causing mediastinal fibrosis.
- Pulmonary vein stenosis (PVS) is a critical complication of FM, leading to poor prognosis.
- Current treatment options for PVS-FM are limited, necessitating advanced interventions.
Purpose of the Study:
- To detail the catheter-based endovascular angioplasty technique for PVS-FM.
- To outline interventional strategies based on CTPA findings.
- To discuss periprocedural complications and management for PVS-FM treatment.
Main Methods:
- Computed tomography pulmonary angiography (CTPA) for anatomical evaluation.
- Transseptal access and selective pulmonary venography.
- Balloon angioplasty and stent implantation, with hemodynamic monitoring.
Main Results:
- Catheter-based endovascular angioplasty shows significant short-term efficacy for PVS-FM.
- CTPA-guided strategy formulation optimizes intervention planning.
- Management protocols for potential complications are established.
Conclusions:
- Endovascular angioplasty is an effective alternative treatment for PVS-FM.
- A systematic, step-by-step approach ensures procedural success and patient safety.
- Post-intervention care and follow-up are crucial for long-term outcomes.
More Related Videos
13:48Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
Published on: April 21, 2023
08:12Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
Published on: May 26, 2023
Related Concept Videos
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
Venous Thrombosis III: Interprofessional Care
Mitral Stenosis III: Medical Management
Pulmonary Embolism III: Nursing Management
Peripheral Artery Disease III: Interprofessional Care
Varicose Veins II: Diagnostic Studies and Interprofessional Care