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The experience of management of 123 patients after tracheostomy and the following prolonged controlled lung ventilation has been summarized. The techniques of tracheostomy and postoperative management that made it possible to decanulate 118 patients without additional surgical interventions have been described. The studies performed using radiopharmacological agents have revealed considerable disturbances of the pulmonary flow, foci of chronic inflammation in tracheal and bronchial cartilages, mediastinal lymph nodes and pulmonary tissue, reduction in pulmonary tissue elasticity and increase of the lung area.