Undiagnosed pleural effusion
Conditions
Interventions
Gold Standard:Pathological results including H&E staining section microscopy, frozen section microscopy and immunofluorescence microscopy.
Index test:Auto-fluorescence 
imaging 
and 
NBI 
technology 
Sponsors
Beijing Chaoyang Hospital Affiliated to Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Patients of age over 18 years, who presented with an undiagnosed exudative pleural effusion; 2. Patients who agree to undergo medical thoracoscopy and sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with transudative hydrothorax; 2. Patients with severe pleural adhesion, pleural effusion as leakage, severe respiratory failure, coagulation disorder, hypertension, anesthesia allergy or pregnancy status.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity; | — |
Secondary
| Measure | Time frame |
|---|---|
| positive predictive value;negative predictive value;95% confidence interval; | — |
Countries
China
Contacts
Public ContactWang Feng
Beijing Chaoyang Hospital Affiliated to Capital Medical University
Outcome results
None listed