Table 1.

Preoperative and Intraoperative Data

Variable
Age (years)	65±12
Male	26 (68%)
CAD	18 (47%)
COPD	11 (29%)
Diabetes	7 (18%)
HTN	31 (82%)
Preoperative ejection fraction (%)	58±22
Redo sternotomy	14 (37%)
Thoracic aorta operation	17 (45%)
Valve operation	7 (18%)
Combined aortic valve and thoracic aorta	14 (37%)
CPB time (min)	190±73
MAP<50 time (min)	109±59
Aortic crossclamp time (min)	110±59
Intraoperative blood transfusions (Units)	2.9±3.8

Continuous data are reported as means with standard deviation; categorical data as frequencies with percentages.

CAD = coronary artery disease; COPD = chronic obstructive pulmonary disease; HTN = hypertension; CPB = cardiopulmonary bypass; MAP = mean arterial pressure