Abstract Objective — a retrospective analysis of the results of 100 consecutive procedures in patients with critical aortic stenosis. Material and methods. There were 100 operations for critical aortic stenosis for the period from 2014 to 2018. Mean age of patients was 63.9±8.9 years (range 32—83). Male/female ratio was 43/57. Results. Early postoperative mortality was 2%. Mean time of cardiopulmonary bypass (CPB) was 93.9±32.4 min (range 57—192), aortic cross-clamping time — 74.4±24 min (range 45—133). Adequate surgical correction and reduction of left ventricular afterload resulted increased cardiac index (CI) by more than 1.5 times (from 1.3±0.2 to 2.1±0.3 l/min/m2; p<0.05) and augmentation of stroke volume (SV) from 40±6 to 49±7 ml (p<0.05) on the background of normal heart rate. Mean left ventricular ejection fraction increased from 57±6 to 61±5% (p<0.05). Conclusion. Patients with critical aortic stenosis is difficult category of patients in heart valve surgery. However, modern achievements and methods of pre- and postoperative management, anesthesia and surgical tactics have reduced in-hospital mortality and complication rate.