[Loop colostomy as a risk factor of postoperative ileus in elective colorectal cancer surgery].

Objective: To identify risk factors of postoperative ileus (POI) in elective colorectal cancer (CRC) surgery.

Material And Methods: A non-randomized retrospective study included 220 patients who underwent elective surgery for colorectal tumors. The indication for surgery was CRC stage 0-IV in 213 (96.

[Assessment of the efficiency and safety of the modified combined approach for laparoscopic splenic flexure mobilization].

Aim: To evaluate the efficacy and safety of the proposed modified combined approach for laparoscopic splenic flexure mobilization (SFM).

Material And Methods: A multicenter non-randomized comparative study was conducted. The main group consisted of 12 patients who underwent laparoscopic modified combined SFM from December 2018 to May 2019, the control group consisted of 12 patients who underwent laparoscopic traditional combined SFM from 2013 to 2018.

[Selection of the method for surgical treatment of pilonidal disease without abscess formation].

The problem of the treatment of pilonidal disease, affecting 5% of the adult working-age population and occupying the fourth place in the structure of coloproctological diseases after hemorrhoids, paraproctitis and anal fissure, is extremely relevant today. The history of the choice of approaches to surgical treatment has almost 2 centuries. Based on different theories of etiopathogenesis, various methods of surgical treatment have been proposed.

[Current directions in professional training of surgeon].

Aim: To develop 'Cadaveric Course' of operative surgery for severe combined trauma for students, surgical residents, postgraduate students of medical universities and to compare its effectiveness with other approaches.

Material And Methods: 'Cadaveric course' program of operative surgery for severe combined trauma consisted of four stages. The first stage is theoretical course (2 weeks), the second stage - students' work in cadaveric operating theatre with instructors (5 weeks), the third stage - their independent work in 'cadaveric operating theatre (10 weeks), the fourth stage - analysis of the results and their comparison with those of 5 2-year residents (control group).

[Specialist's training for laparoscopic surgery in Wet-lab educational operating theatre].

Aim: To develop system for students training in laparoscopic surgery by using of Wet-lab educational operating theatre.

Material And Methods: We have launched laparoscopic surgery teaching program for students of Ryazan State Medical University. This system includes several stages.