Ahmet Ümit Güllü1, Şahin Şenay2, Muharrem Koçyiğit3, Cem Alhan2
1Department of Cardiovascular Surgery, Acıbadem Maslak Hospital, İstanbul, Turkey
2Department of Cardiovascular Surgery, Medicine Faculty of Acıbadem University, İstanbul, Turkey
3Department of Anaesthesiology and Reanimation, Acıbadem Maslak Hospital, İstanbul, Turkey