The rate of vascular puncture, pain at the site anesthesia, subcutaneous hematoma, hypotension, nausea - vomiting, urinary retention, tremors, itching and no flatus during 48 hours after surgery: 5, 1%, 2, 9%, 0, 7%, 3, 7%, 14, 8%, 5, 3%, 1, 5%, 5, 2% and 54%, there was no statistical difference between the two groups ultrasound-guided and the loss of resistance group, p>0, 05.