Overall Group 1 Group 2 P value
Mean ± SD or Number (%) Mean ± SD or Number (%) Mean ± SD or Number (%)
Re-entry
Patent LIMA 127 (71%) 69 (77%) 58 (66%) 0.1125
CPB before re-sternotomy 28 (16%) 15 (17%) 13 (15%) 0.7286
Injury at the re-entry Re-sternotomy LIMA Right atrium LIMA/Right ventricle Aorta Vein graft Isolation pre CPB institution LIMA Vein graft Pulmonary artery Isolation post CPB institution LIMA Vein graft 21 (12%) 8
4
1
1
1
1
9
5
3
1
4
2
2
4 (4%)
2
1
1
0
0
0
1
1
0
0
1
0
1
17 (19%)
6
3
0
1
1
1
8
4
3
1
3
2
1
0.0045
Myocardial protection
LIMA occlusion External occlusion Endoballoon 58/127 (46%) 53
5
34/69 (49%) 33
1
24/58 (41%) 20
4
0.3736
Retrograde cardioplegia 27 (15%) 21 (23%) 6 (7%) 0.0021
Moderate hypothermia 20-28°C 21 (12%) 10 (11%) 11 (13%) 0.7740
Performed procedures
Isolated AVR 90 90 -
Associated procedures CABG MV surgery Aortic surgery Aortic root replacement 88 75
11
9
6
-
88
CPB times (minutes) 140 ± 67 111 ± 47 169 ± 72 <0.0001
Cross clamp times (minutes) 74 ± 36 56 ± 20 93 ± 40 <0.0001
AVR – Aortic Valve replacement, CABG – Coronary Artery Bypass Grafting, CPB – Cardiopulmonary Bypass, LIMA – Left Internal Mammary Artery AVR – Aortic Valve replacement, CABG – Coronary Artery Bypass Grafting, CPB – Cardiopulmonary Bypass, LIMA – Left Internal Mammary Artery AVR – Aortic Valve replacement, CABG – Coronary Artery Bypass Grafting, CPB – Cardiopulmonary Bypass, LIMA – Left Internal Mammary Artery AVR – Aortic Valve replacement, CABG – Coronary Artery Bypass Grafting, CPB – Cardiopulmonary Bypass, LIMA – Left Internal Mammary Artery AVR – Aortic Valve replacement, CABG – Coronary Artery Bypass Grafting, CPB – Cardiopulmonary Bypass, LIMA – Left Internal Mammary Artery