Table 2.

operative data

Variable	Value (Total: 12 patients)
Composite root replacement (Bentall), n (%)	11 (91.6)
Supracoronary graft replacement, n (%)	1 (8.3)
Arterial cannulation, n (%)
Right axillary artery	10 (83.3)
Distal arch	1 (8.3)
Innominate artery	1 (8.3)
Mechanical aortic valve implantation, n (%)	11 (91.6)
Associated procedures (non aortic), n (%)
Mitral repair	1 (8.3)
Aortic arch surgery (hemi or total arch), n (%)	9 (75)
CPB time in min, mean ± SD (range)	270 ± 78.1 (157-405)
Cross Clamping time in min, mean ± SD (range)	189.8 ±39.6 (135-260)
Complications, n (%)
Bleeding	2 (16.6)
Stroke	1 (8.3)
LCO syndrome	2 (16.6)
ICU length of stay in days, mean ± SD (range)	4.8±3.8 (2-17)
Overall hospital mortality, n (%)	2 (16.6)
Causes of deaths, n (%)
Postoperative malperfusion syndrome	2 (16.6)

CPB: cardiopulmonary bypass; LCO: low cardiac output syndrome; ICU: intensive care unit