1. Department of Anaesthesiology and Intensive Therapy, 4th Military Clinical Hospital, Wrocław, Poland
2. Department of Vascular Surgery, 4th Military Clinical Hospital, Wrocław, Poland
3. Department of Cardiology, Centre for Heart Diseases, 4th Military Clinical Hospital, Wrocław, Poland
4. Department of Anesthesiology and Intensive Therapy, Wrocław Medical University, Wrocław, Poland