Peripheral lung lesion
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who visit Fujita Health University Hospital and require a pathological diagnosis by bronchoscopy for a pulmonary nodule or opacity that meets all of the following criteria: Patients who have received a full explanation about this study, fully understood the contents, and have provided written informed consent of their own free will. Patients aged 20 years or older and younger than 90 years at the time of consent. Patients with a target lesion less than or equal to 2 cm in the longest diameter on chest CT. Patients who have undergone thin-slice chest CT (slice thickness less than 2 mm) prior to bronchoscopy.
Exclusion criteria
Exclusion criteria: Patients with an evident pneumothorax prior to the procedure. Patients with respiratory failure (PaO2 less than 60 torr). Patients whose systolic blood pressure is below 80 mmHg immediately before the start of bronchoscopy. Any other patients judged to be inappropriate for inclusion by the principal investigator or sub-investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic yield of bronchoscopic biopsy under CPAP for peripheral pulmonary lesions | — |
Secondary
| Measure | Time frame |
|---|---|
| Diagnostic yield of bronchoscopic biopsy under CPAP for peripheral pulmonary lesions with a negative CT bronchus sign. | — |
Countries
Japan
Contacts
Fujita Health University Department of Respiratory Medicine