Transbronchial Lung Cryobiopsy in Undiagnosed Acute Respiratory Failure
Acute Respiratory Failure, Acute Respiratory Distress Syndrome
About this trial
This is an interventional diagnostic trial for Acute Respiratory Failure
Eligibility Criteria
Inclusion Criteria: Diagnosis of acute hypoxemic respiratory failure Routine assessments [including bronchoscopy, bronchoalveolar lavage fluid cytology and pathogenic (including pathogenic mNGS) tests, blood tests, etc.] do not clarify the etiology, or there is an unexplained disease process Imaging shows a multi-lobar segmental distribution of ground glass opacity with or without consolidations Patients' families agreed to participate in the study and signed an informed consent form Exclusion Criteria: Significant hemodynamic instability Uncorrectable coagulopathy Severe pulmonary hypertension Acute coronary syndrome Intermediate-high-risk acute pulmonary embolism Acute phase of stroke Severe emphysema Aortic dissection and massive gastrointestinal bleeding Other conditions that are not suitable for participation in the clinical trial
Sites / Locations
- China-Japan Friendship HospitalRecruiting
- The Second Xiangya HospitalRecruiting
- The First Affiliated Hospital of Nanchang UniversityRecruiting
- The First Affiliated Hospital of Soochow UniversityRecruiting
- The Sixth Hospital of WuhanRecruiting
- The First Affiliated Hospital of Zhengzhou UniversityRecruiting
Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
Transbronchial lung cryobiopsy
Transbronchial lung biopsy