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Bronchoalveolar lavage (BAL), also known as bronchoalveolar washing, is a diagnostic method of the lower respiratory system in which a bronchoscope is passed through the mouth or nose into an appropriate airway in the lungs, with a measured amount of fluid introduced and then collected for examination.
Whole lung lavage (WLL), also called lung washing, is a medical procedure in which the patient's lungs are washed with saline (salt water) by filling and draining repeatedly. It is used to treat pulmonary alveolar proteinosis , in which excess lung surfactant proteins prevent the patient from breathing.
Bronchoalveolar lavage (BAL) is a procedure whereby a small volume of fluid is put into the airways in order sample the cells and fluids of the alveoli and epithelium of the bronchi. [23] BAL may be performed using a BAL tube, which allows fluid to be added to and removed from the bronchi, or may be performed during endoscopy, if the endoscope ...
The standard treatment for PAP is whole-lung lavage [16] [17] [18] and supportive care. [ 19 ] [ 20 ] [ 21 ] Whole lung lavage is a procedure performed under general anesthesia, in which one lung is pumped with oxygen (ventilated lung), and the other lung (non-ventilated lung) is filled with a warm saline solution (up to 20 L) and drained ...
Bronchoalveolar lavage (BAL) is a well-tolerated diagnostic procedure in ILD. [11] BAL cytology analyses (differential cell counts) should be considered in the evaluation of patients with IPF at the discretion of the treating physician based on availability and experience at their institution.
Sputum culture or bronchoalveolar lavage culture demonstrating the infection is caused by MAC; Disseminated MAC is most readily diagnosed by one positive blood culture. Blood cultures should be performed in patients with symptoms, signs, or laboratory abnormalities compatible with mycobacterium infection.
[3] [6] If this is unavailable, a bronchoalveolar lavage can be done, and the bronchial wash fluid can be examined for eosinophils. [3] The diagnosis is usually considered later by ruling out other life-threatening conditions or more common diagnoses such as asthma and GERD, and by seeing an improvement in symptoms with inhaled corticosteroid ...
The diagnosis can be definitively confirmed by histological identification of the causative organism in sputum or bronchoalveolar lavage (lung rinse). Staining with toluidine blue, silver stain, periodic acid-Schiff stain, or an immunofluorescence assay shows the characteristic cysts. [13]