| 摘要 |
FIELD: medicine; pulmonology. ^ SUBSTANCE: frontal anterior X-ray filming is performed for visual evaluation of the whole tracheobronchial apparatus for optical transparency (OT). Then variances of OT relations within different segments are recorded. If there are any, densitometry of optical transparency factor (OTF) of this region. The pathology is concluded on the basis of change in at least one OTF relation of specified region comparatively to the same normal measurements taken as a reference, that is: OTF of superior one-third of trachea is 2.05970.0477, OTF of mid-third of trachea 1.98790.0511, OTF of inferior one-third of trachea 1.50770.0427, bifurcation OTF is 1.42150.0339, OTF of right bronchus orifice 1.47850.0233, OTF of right bronchus 1.97580.0427, OTF of right proximal bronchus is 2.04800.0293, OTF of intermediate bronchus is 2.05700.0350, OTF of right distal bronchus is 2.05730.0293, OTF of left bronchus orifice is 1.49850.0229, OTF of left bronchus is 1.51020.0389, OTF of left proximal bronchus is 2.04580.0231, OTF of left distal bronchus is 1.49870.0506. ^ EFFECT: higher data adequacy ensured by high sensitivity of tested parametres and early X-ray diagnosis of tracheal and bronchial pathologies. ^ 2 tbl, 2 ex |
