AA	Ascending Aorta
ACP	Antegrade Cerebral Perfusion
AVR	Aortic Valve Replacement
BSA	Body Surface Area
CABG	Coronary Artery Bypass Grafting
CCS	Canadian Cardiovascular Society
COPD	Chronic Obstructive Pulmonary Disease
CVA	Cerebrovascular Accident
DHCA	Deep Hypothermic Cardiac Arrest
EuroSCORE	European System for Cardiac Operative Risk Evaluation score
eGFR	estimated Glomerular Filtration Rate
HR	Hazard Rate
HTAD	Hereditary Thoracic Aortic Diseases
ICU	Intensive Care Unit
IQR	Interquartile Range
LCC	Left Coronary Cusp
LVEF	Left Ventricle Ejection Fraction
NE/E	Non-elderly/Elderly
NCC	Non Coronary Cusp
NYHA	New York Heart Association
RCC	Right Coronary Cusp
SCAR	Supracoronary aorta replacement
TIA	Transient Ischemic Attack
VSARR	Valve Sparing Aortic Root Replacement