METHOD FOR CORRECTING RESPIRATORY DISORDERS WHEN CARRYING OUT PATIENT SEDATION UNDER SPINAL ANESTHESIA Russian patent published in 2007 - IPC A61M16/01 A61M16/06 A61H31/02 

FIELD: medicine.

SUBSTANCE: method involves after performance of spinal anesthesia applying sedation with the subsequent installation laryngeal masks. Then controllable mechanical ventilation of lungs is carried out without total myorelaxation in CMV-mode with respiratory volume of 6-8 ml/kg of body weight, peak flow rate of 50-65 l/min when using rectangular pattern of gas mixture supply or 65-85 l/min when using descending pattern of gas mixture supply. Inhalation-to-exhalation ratio is equal to 1:1.3-1:1.7, oxygen fraction on inhaling FiO₂ is 0.25-0.3, compulsory breathing frequency is 10-16 breathings per 1 min, positive base pressure at the end of exhalation is equal to 3-4 cm of water column. Laryngeal mask is removed at the end of operation and auxiliary noninvasive ventilation of lungs is applied using air-oxygen mixture through facial mask in pressure breathing support mode of PSV. Thus, breathing support pressure is equal to 10-15 cm of water column. Oxygen fraction on inhaling FiO₂ is equal to 0.25-0.3, positive pressure at the end of exhalation is equal to 2 3 cm of water column, trigger sensitivity is 2-3 l/min. Respiratory support is carried out until respiratory volume achieves the level not less than 6-7 ml/kg of body weight.

EFFECT: prevented negative effects accompanying total myorelaxation and trachea intubation anesthesia; fast respiratory rehabilitation of patients after operation.