peripheral pulmonary lesions
Conditions
Interventions
Group A:Fine Bronchoscope and 1.1mm Cryoprobe
Group B:Ultrafine Bronchoscope and 1.1mm Cryoprobe
Group C:Fine bronchoscope combined with ultrafine bronchoscope - 1.1mm cryoprobe
Sponsors
Department of Respiratory and Critical Care Medicine, Key Laboratory of Respiratory Disease of Ningbo, The First Affiliated Hospital of Ningbo University, Ningbo, China.
Eligibility
Sex/Gender
All
Age
16 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1.Aged >= 16 years; 2. Chest imaging examination indicates the presence of peripheral pulmonary lesions in at least one site ( max diameter from 8mm to 50mm); 3. Patients whose diagnosis cannot be confirmed after completion of laboratory and imaging examinations, and who agree to undergo bronchoscopy combined with endobronchial ultrasound for pathological biopsy. 4. Informed consent to participate in this clinical study and signed the informed consent.
Exclusion criteria
Exclusion criteria: a. Combined severe cardiopulmonary disease, coagulation disorders, poor tolerance of anaesthesia, combined psychiatric disease or severe neurosis, and other contraindications to bronchoscopy; b. Intraoperative ultrasound findings such as abundant blood flow to the lesion or proximity to large blood vessels that make biopsy risky and inappropriate; c. Inability to co-operate with the study for any reason or in the opinion of the investigator, inappropriate for inclusion in this trial. d. Patients with endobronchial lesions visible to the naked eye on bronchoscopy; e. Persons with missing information.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic yield;ultrasound visualisation yield; | — |
Secondary
| Measure | Time frame |
|---|---|
| sensitivity;specificity; | — |
Countries
China
Contacts
Public ContactZhongbo Chen
Department of Respiratory and Critical Care Medicine, Key Laboratory of Respiratory Disease of Ningbo, The First Affiliated Hospital of Ningbo University, Ningbo, China.
Outcome results
None listed