Ufuk H Yörükoğlu1, Yavuz Gürkan2. 1. Department of Anesthesiology and Reanimation, School of Medicine, Kocaeli University, Kocaeli, Turkey. Electronic address: ufukyorukoglu@gmail.com. 2. Department of Anesthesiology and Reanimation, School of Medicine, Kocaeli University, Kocaeli, Turkey.