[The assessment of bronchial patency by conducting broncholytic and loading tests in patients with pulmonary...

Reproducibility of the parameters of bronchial patency was studied in 31 patients with nonspecific pulmonary diseases, changes in the parameters of bronchial patency during the berotek and loading tests--in 28 healthy subjects, the dynamics of bronchial patency in these tests and the value of separate methods of study of bronchial patency--in 119 patients with active pulmonary tuberculosis. The parameters of spirography, forced expiration flow-volume and general plethysmography were used. Assessment of the results of the pharmacological and loading tests require consideration of reproducibility of the parameters and their changes in healthy subjects in connection with a broncholytic action on the tone of bronchial muscles. The table of limited diagnostically insignificant functional changes in bronchial patency in given. When evaluating the results of functional tests, it is expedient to use a combination of the parameters of spirography, the curve of forced expiration flow-volume and general plethysmography and in the choice of method preference should be given to the registration of the curve of forced expiration flow-volume. The most sensitive parameters of the dynamics of bronchial patency in the broncholytic and loading tests have been developed.