Transcatheter Stent Placement for Bilateral Pulmonary Artery Stenosis Due to Idiopathic Fibrosing Mediastinitis

Abstract

Background:

Fibrosing mediastinitis is a rare critical disease that encases and compresses mediastinal structures. It is classified as either primary (idiopathic) or secondary based on the underlying etiology. Idiopathic fibrosing mediastinitis presents significant diagnostic challenges, particularly when patients presented with nonspecific symptoms, which may result in misdiagnosis.

Case report:

A 53-year-old male patient with bilateral pulmonary artery stenosis due to idiopathic fibrosing mediastinitis was successfully treated with balloon angioplasty and bilateral stent implantation. Subsequent follow-up visits over 3 years demonstrated sustained improvement in the patient’s symptoms. Imaging studies confirmed the complete patency of the implanted stents, with no evidence of vascular defects or in-stent restenosis.

Conclusion:

Achieving an accurate diagnosis is critical in these cases; furthermore, transcatheter stent implantation is an effective intervention for managing vascular stenosis associated with fibrosing mediastinitis.

Clinical Impact

The rarity of idiopathic fibrosing mediastinitis and the lack of evidence-based treatment strategies make the diagnosis and management challenging. This case emphasizes the importance of endovascular intervention and underscores its role as a viable treatment option for managing similar cases of pulmonary artery stenosis due to fibrosing mediastinitis.