Effectiveness of additional ultrathin bronchoscopy for peripheral pulmonary lesions to which a radial endobronchial ultrasound (EBUS) probe cannot be advanced during bronchoscopy
Phase 3
- Conditions
- Benign or malignant pulmonary lesions
- Registration Number
- JPRN-UMIN000024306
- Lead Sponsor
- agoya Medical Center
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 260
Inclusion Criteria
Not provided
Exclusion Criteria
1. Serious concomitant medical illness 2. Central pulmonary lesions 3. Lesion located within the inner third ellipse from the hilum on chest CT 4. Re-examination following prior failure in this trial 5. Case with pure ground glass nodule 6. Patients needing to undergo bronchoscopic procedures for non-target lesion in the same setting 7. Diffuse pulmonary lesions 8. Pregnancy 9. Bleeding tendency 10. Other clinical difficulties in this trial
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 1. Diagnostic yield of histology specimens
- Secondary Outcome Measures
Name Time Method 1. Diagnostic yield: benign or malignant 2. Diagnostic yield according to lesion size: < 20 mm or > 20 mm 3. Diagnostic yield according to lesion location relative to the hilum 4. Diagnostic yield according to lesion location in the bronchopulmonary segment 5. Visibility with EBUS 6. Diagnostic yield according to presence of the air bronchus sign 7. Diagnostic yield according to lesion appearance on CT: solid or ground glass nodule 8. Level of bronchus reached with ultrathin bronchoscope 9. Frequency of reaching the lesion with ultrathin bronchoscope 10. Time required for examination procedure 11. Incidence of adverse effects