Broncho-alveolar lavage in diagnostics of lung injuries during systemic scleroderma
Abstract
In two groups of patients suffering from systemic scleroderma: 1st group (11 patients) without and 2nd group (7 patients) with the signs of lung damage, diagnostic broncho-alveolar lavage (BAL) was performed. Cell content and functional activity of alveolar macrofages (AM) from the BAL fluid were studied by means of spontaneous and induced NBT-test. According to cytogram data, 54,5 % of patients from the 1st group were suffering from «latent» alveolitis of neutrophil type. Spontaneous NBT-test parameters witnessed for the activated condition of AM with no significant difference in this parameter between patients with diagnosed alveolitis and those, having normal cytogram. Higher levels of cytosis and neutrophilia of BAL fluid from patients of the 2nd group corresponded to more severe cases of fibrosing alveolitis (FA) accompanied by X-ray changes and decrease in pulmonary function parameters. There was no difference in common tendencies of NBT-test parameters between the two groups. More severe and generalized damage of skin was marked in all patients with high activity of FA.
About the Authors
G. A. DubanovaRussian Federation
L. D. Sidorova
Russian Federation
E. A. Movchan
Russian Federation
M. F. Valentik
Russian Federation
M. B. Kudryavtzeva
Russian Federation
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Review
For citations:
Dubanova G.A., Sidorova L.D., Movchan E.A., Valentik M.F., Kudryavtzeva M.B. Broncho-alveolar lavage in diagnostics of lung injuries during systemic scleroderma. PULMONOLOGIYA. 1992;(4):24-30. (In Russ.)