[Relation between artificial respiration and blood circulation in lung surgery].

The investigation of parameters of the artificial pulmonary ventilation and hemodynamics of the greater and lesser circulation circles during operation on the lungs has shown these parameters to be most greatly changed at the stages of separation of the pulmonary root and dissection of the vessels and bronchi. Changes in the ventilatory regimen were not followed by changes in the pulmonary hemodynamics and gas composition of the blood.