title: [Role of the rise of pressure in the pulmonary artery in the distribution of perfusion and gas exchange in bronchial obstruction].
abstract: The experiments on the dogs revealed that the damage of lobar bronchus conduction resulted in the decrease of O2 tension in pulmonary venous blood of this lobe. The decrease in the ventilation and blood flow was found in the zone of obstruction by using tracers 133Xe and 99mTc. The pressure rise in the pulmonary artery caused by the spread of bronchial obstruction is one of the factors promoting the redistribution of perfusion into the reserve zones of lungs. The decrease of pressure by the ganglio-blocking preparation results in the increase of arterial hypoxemia.
authors.forename: N V
authors.initials: NV
authors.lastname: Putov
authors.forename: L N
authors.initials: LN
authors.lastname: Danilov
authors.forename: E S
authors.initials: ES
authors.lastname: Lebedeva
authors.forename: N I
authors.initials: NI
authors.lastname: Egurnov
authors.forename: V K
authors.initials: VK
authors.lastname: Kuznetsova
mesh_terms: D000818:Animals; D001794:Blood Pressure; D001980:Bronchi / Q000503:physiopathology*; D004285:Dogs; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008297:Male; D010100:Oxygen / Q000097:blood; D011651:Pulmonary Artery / Q000502:physiology*; D011652:Pulmonary Circulation; D011659:Pulmonary Gas Exchange; D013667:Technetium; D014692:Ventilation-Perfusion Ratio; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes; D013667:Technetium; D010100:Oxygen
vernacular_title: Rol' povysheniia davleniia v legochnoĭ arterii v raspredelenii perfuzii i gazoobmene pri bronkhial'noĭ obstruktsii.