Changes in pulmonary function tests and respiratory symptoms after airway stent removal
- Conditions
- Airway stenotic diseases
- Registration Number
- JPRN-UMIN000025166
- Lead Sponsor
- agoya Medical Center
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 30
Not provided
1. Patients expected to need stent re-insertion in the same setting as stent removal 2. Patients with multiple stents expected to undergo the removal of only some of them 3. Patients who cannot perform pulmonary function testing (e.g., patients with a tracheostomy or who are on mechanical ventilation) 4. Patients who cannot assess their respiratory symptoms using a visual analog scale 5. Patients who require stent removal due to stent migration 6. Patients who require bronchoscopic procedures other than stent removal (e.g., ablation of tumor or granulation tissue) in the same setting
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 1. Changes in pulmonary function test results (peak expiratory flow) after vs. before airway stent removal
- Secondary Outcome Measures
Name Time Method 1. Changes in pulmonary function test results (FVC, FEV1) after airway stent removal 2. Changes in respiratory symptoms (frequency of coughing, amount of sputum, difficulty of expectoration, dyspnea) assessed by a visual analog scale after vs. before airway stent removal 3. Frequency of airway stent re-insertion 4. Incidence of adverse effects