Frequency of complications: slow pulse 55 beats / min in six patients (5.3%); hypotension <90/50 mmHg in 7 patients (6.19%) 30 min after blockage in the lateral recumbent position and at the time of withdrawing tourniquet thigh, shivering in 7 patients (6.19%); urinary retention >10 hours in 5 patients (4.42%).