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Tracheobronchial involvement in Wegener's granulomatosis
T E Daum1, U Specks, T V Colby
1Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota 55905.
American Journal of Respiratory and Critical Care Medicine
|February 1, 1995
Summary
Wegener's granulomatosis (WG) frequently affects the airways, causing stenosis and inflammation. Airway stents provided the most effective treatment for persistent airway patency in patients with tracheobronchial WG.
Area of Science:
- Pulmonology
- Rheumatology
- Internal Medicine
Background:
- Wegener's granulomatosis (WG), now known as granulomatosis with polyangiitis, is a systemic vasculitis that can affect the respiratory tract.
- Tracheobronchial involvement is a significant manifestation of WG, potentially leading to severe airway compromise.
Purpose of the Study:
- To describe the clinical features and progression of airway disease in patients with WG.
- To evaluate the effectiveness of various bronchoscopic interventions for tracheobronchial WG.
Main Methods:
- Retrospective review of 51 patients with biopsy-proven WG undergoing bronchoscopy.
- Analysis of endoscopic findings, including stenosis, ulcerating tracheobronchitis, and pseudotumors.
- Assessment of bronchoscopic interventions such as dilation, laser therapy, and stent placement.
Main Results:
- 59% of WG patients exhibited endobronchial abnormalities.
- Common findings included ulcerating tracheobronchitis (60%) and subglottic stenosis (17%).
- Seven patients showed progression from ulcerating tracheobronchitis to fixed stenosis; airway stents were the only intervention providing persistent patency.
Conclusions:
- Tracheobronchial involvement is a common and potentially progressive complication of WG.
- Endobronchial biopsies are valuable for diagnosis and assessing disease activity.
- Silastic airway stents offer a durable solution for managing airway stenosis in WG.