Fluid Responsiveness Through the Corrected Carotid Flow Time, Before and After Sternotomy

Aim of this study is to investigate the usability of changes in corrected carotid flow time induced by lung recruitment maneuvers during protective lung ventilation (6 ml/kg tidal volume) in patients undergoing elective Coronary Artery Bypass Graft Surgery (CABG) to evaluate fluid responsiveness. The secondary objective is to determine the correlation between measurements taken before and after sternotomy. This study aims to reduce invasive procedures used for assessing fluid responsiveness and develop an alternative method to the use of hard-to-access devices for measurements.