Table 2:

Intraoperative data

N (%) Mean (SD)uACP (N = 62)bACP (N = 62)RCP (N = 62)P-Value
Preoperative tamponade10 (16.1)14 (22.6)13 (21.0)0.65
Aortic regurgitation0.10
 No–trace11 (17.7)13 (21.0)7 (11.3)
 Mild18 (29.0)22 (35.5)33 (53.2)
 Moderate21 (33.9)13 (21.0)12 (19.4)
 Severe12 (19.4)14 (22.6)10 (16.1)
LVEF (%)0.95
 <301 (1.6)1 (1.6)1 (1.6)
 30–401 (1.6)0 (0.0)1 (1.6)
 40–502 (3.2)4 (6.5)3 (4.8)
 >5058 (93.5)57 (91.9)57 (91.9)
Operation time (min)390 (333–470)377.5 (296.8–449)460 (369–581.3)0.001
Cardio–pulmonary bypass time (min)202 (166.5–254.5)197.5 (152.8–254.5)250.5 (210–294.3)<0.001
Cross–clamp time (min)92.5 (78.3–123)103.5 (82–133)114 (88.8–134.3)0.04
Circulatory arrest time (min)31.5 (21–41)35.5 (29.5–44.3)35.5 (25.8–41)0.09
Reperfusion time (min)75.5 (61.5–110.3)49 (33.5–88.5)132 (93–166.5)<0.001
Intraoperative mechanical circulatory support2 (3.2)0 (0.0)3 (4.8)0.24
Transfusion free surgery1 (1.6)3 (4.8)0 (0.0)0.17
Intraoperative RCC (units)3 (2–5)4 (2–6)6 (2–10)0.004
Intraoperative PLT (units)4 (2–5)4 (2–5)2 (1–3)0.002
Intraoperative FFP (units)9 (6–15)7 (4–12)11 (6–21)<0.001
Primary arterial cannulation site<0.001
 Central0 (0.0)0 (0.0)2 (3.2)
 Innominate artery2 (3.2)2 (3.2)0 (0.0)
 Right axillary artery60 (96.8)60 (96.8)6 (9.7)
 Femoral artery0 (0.0)0 (0.0)54 (87.1)
Operation temperature (°C)27.5 (24–28)28 (26–28)16 (16–17)<0.001
Root reconstruction33 (53.2)25 (40.3)32 (51.6)0.29
Root replacement22 (35.5)22 (35.5)18 (29.0)0.68
Hemiarch anastomosis56 (90.3)56 (90.3)57 (91.9)0.94
Concomitant procedure10 (16.1)8 (12.9)5 (8.1)0.39
Revision for bleeding8 (12.9)15 (24.2)18 (29.0)0.08
N (%) Mean (SD)uACP (N = 62)bACP (N = 62)RCP (N = 62)P-Value
Preoperative tamponade10 (16.1)14 (22.6)13 (21.0)0.65
Aortic regurgitation0.10
 No–trace11 (17.7)13 (21.0)7 (11.3)
 Mild18 (29.0)22 (35.5)33 (53.2)
 Moderate21 (33.9)13 (21.0)12 (19.4)
 Severe12 (19.4)14 (22.6)10 (16.1)
LVEF (%)0.95
 <301 (1.6)1 (1.6)1 (1.6)
 30–401 (1.6)0 (0.0)1 (1.6)
 40–502 (3.2)4 (6.5)3 (4.8)
 >5058 (93.5)57 (91.9)57 (91.9)
Operation time (min)390 (333–470)377.5 (296.8–449)460 (369–581.3)0.001
Cardio–pulmonary bypass time (min)202 (166.5–254.5)197.5 (152.8–254.5)250.5 (210–294.3)<0.001
Cross–clamp time (min)92.5 (78.3–123)103.5 (82–133)114 (88.8–134.3)0.04
Circulatory arrest time (min)31.5 (21–41)35.5 (29.5–44.3)35.5 (25.8–41)0.09
Reperfusion time (min)75.5 (61.5–110.3)49 (33.5–88.5)132 (93–166.5)<0.001
Intraoperative mechanical circulatory support2 (3.2)0 (0.0)3 (4.8)0.24
Transfusion free surgery1 (1.6)3 (4.8)0 (0.0)0.17
Intraoperative RCC (units)3 (2–5)4 (2–6)6 (2–10)0.004
Intraoperative PLT (units)4 (2–5)4 (2–5)2 (1–3)0.002
Intraoperative FFP (units)9 (6–15)7 (4–12)11 (6–21)<0.001
Primary arterial cannulation site<0.001
 Central0 (0.0)0 (0.0)2 (3.2)
 Innominate artery2 (3.2)2 (3.2)0 (0.0)
 Right axillary artery60 (96.8)60 (96.8)6 (9.7)
 Femoral artery0 (0.0)0 (0.0)54 (87.1)
Operation temperature (°C)27.5 (24–28)28 (26–28)16 (16–17)<0.001
Root reconstruction33 (53.2)25 (40.3)32 (51.6)0.29
Root replacement22 (35.5)22 (35.5)18 (29.0)0.68
Hemiarch anastomosis56 (90.3)56 (90.3)57 (91.9)0.94
Concomitant procedure10 (16.1)8 (12.9)5 (8.1)0.39
Revision for bleeding8 (12.9)15 (24.2)18 (29.0)0.08

bACP: bilateral antegrade cerebral perfusion; FFP: fresh frozen plasma; LVEF: left ventricular ejection fraction; PLT: platelets; RCC: red cell concentrate; RCP: retrograde cerebral perfusion; SD: standard deviation; uACP: unilateral antegrade cerebral perfusion.

Table 2:

Intraoperative data

N (%) Mean (SD)uACP (N = 62)bACP (N = 62)RCP (N = 62)P-Value
Preoperative tamponade10 (16.1)14 (22.6)13 (21.0)0.65
Aortic regurgitation0.10
 No–trace11 (17.7)13 (21.0)7 (11.3)
 Mild18 (29.0)22 (35.5)33 (53.2)
 Moderate21 (33.9)13 (21.0)12 (19.4)
 Severe12 (19.4)14 (22.6)10 (16.1)
LVEF (%)0.95
 <301 (1.6)1 (1.6)1 (1.6)
 30–401 (1.6)0 (0.0)1 (1.6)
 40–502 (3.2)4 (6.5)3 (4.8)
 >5058 (93.5)57 (91.9)57 (91.9)
Operation time (min)390 (333–470)377.5 (296.8–449)460 (369–581.3)0.001
Cardio–pulmonary bypass time (min)202 (166.5–254.5)197.5 (152.8–254.5)250.5 (210–294.3)<0.001
Cross–clamp time (min)92.5 (78.3–123)103.5 (82–133)114 (88.8–134.3)0.04
Circulatory arrest time (min)31.5 (21–41)35.5 (29.5–44.3)35.5 (25.8–41)0.09
Reperfusion time (min)75.5 (61.5–110.3)49 (33.5–88.5)132 (93–166.5)<0.001
Intraoperative mechanical circulatory support2 (3.2)0 (0.0)3 (4.8)0.24
Transfusion free surgery1 (1.6)3 (4.8)0 (0.0)0.17
Intraoperative RCC (units)3 (2–5)4 (2–6)6 (2–10)0.004
Intraoperative PLT (units)4 (2–5)4 (2–5)2 (1–3)0.002
Intraoperative FFP (units)9 (6–15)7 (4–12)11 (6–21)<0.001
Primary arterial cannulation site<0.001
 Central0 (0.0)0 (0.0)2 (3.2)
 Innominate artery2 (3.2)2 (3.2)0 (0.0)
 Right axillary artery60 (96.8)60 (96.8)6 (9.7)
 Femoral artery0 (0.0)0 (0.0)54 (87.1)
Operation temperature (°C)27.5 (24–28)28 (26–28)16 (16–17)<0.001
Root reconstruction33 (53.2)25 (40.3)32 (51.6)0.29
Root replacement22 (35.5)22 (35.5)18 (29.0)0.68
Hemiarch anastomosis56 (90.3)56 (90.3)57 (91.9)0.94
Concomitant procedure10 (16.1)8 (12.9)5 (8.1)0.39
Revision for bleeding8 (12.9)15 (24.2)18 (29.0)0.08
N (%) Mean (SD)uACP (N = 62)bACP (N = 62)RCP (N = 62)P-Value
Preoperative tamponade10 (16.1)14 (22.6)13 (21.0)0.65
Aortic regurgitation0.10
 No–trace11 (17.7)13 (21.0)7 (11.3)
 Mild18 (29.0)22 (35.5)33 (53.2)
 Moderate21 (33.9)13 (21.0)12 (19.4)
 Severe12 (19.4)14 (22.6)10 (16.1)
LVEF (%)0.95
 <301 (1.6)1 (1.6)1 (1.6)
 30–401 (1.6)0 (0.0)1 (1.6)
 40–502 (3.2)4 (6.5)3 (4.8)
 >5058 (93.5)57 (91.9)57 (91.9)
Operation time (min)390 (333–470)377.5 (296.8–449)460 (369–581.3)0.001
Cardio–pulmonary bypass time (min)202 (166.5–254.5)197.5 (152.8–254.5)250.5 (210–294.3)<0.001
Cross–clamp time (min)92.5 (78.3–123)103.5 (82–133)114 (88.8–134.3)0.04
Circulatory arrest time (min)31.5 (21–41)35.5 (29.5–44.3)35.5 (25.8–41)0.09
Reperfusion time (min)75.5 (61.5–110.3)49 (33.5–88.5)132 (93–166.5)<0.001
Intraoperative mechanical circulatory support2 (3.2)0 (0.0)3 (4.8)0.24
Transfusion free surgery1 (1.6)3 (4.8)0 (0.0)0.17
Intraoperative RCC (units)3 (2–5)4 (2–6)6 (2–10)0.004
Intraoperative PLT (units)4 (2–5)4 (2–5)2 (1–3)0.002
Intraoperative FFP (units)9 (6–15)7 (4–12)11 (6–21)<0.001
Primary arterial cannulation site<0.001
 Central0 (0.0)0 (0.0)2 (3.2)
 Innominate artery2 (3.2)2 (3.2)0 (0.0)
 Right axillary artery60 (96.8)60 (96.8)6 (9.7)
 Femoral artery0 (0.0)0 (0.0)54 (87.1)
Operation temperature (°C)27.5 (24–28)28 (26–28)16 (16–17)<0.001
Root reconstruction33 (53.2)25 (40.3)32 (51.6)0.29
Root replacement22 (35.5)22 (35.5)18 (29.0)0.68
Hemiarch anastomosis56 (90.3)56 (90.3)57 (91.9)0.94
Concomitant procedure10 (16.1)8 (12.9)5 (8.1)0.39
Revision for bleeding8 (12.9)15 (24.2)18 (29.0)0.08

bACP: bilateral antegrade cerebral perfusion; FFP: fresh frozen plasma; LVEF: left ventricular ejection fraction; PLT: platelets; RCC: red cell concentrate; RCP: retrograde cerebral perfusion; SD: standard deviation; uACP: unilateral antegrade cerebral perfusion.

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