UACP (n = 843) BACP (n = 1573)
Demographic characteristics
Age (years)
59.5 ± 14.2 (n = 843)
60.2 ± 13.8 (n = 1573)
Female
38.6% (n = 325/843)
35.3% (n = 555/1573)
Male
61.4% (n = 518/843)
64.7% (n = 1018/1573)
Comorbidities
Hypertension
80.0% (n = 581/726)
77.7% (n = 632/813)
Diabetes
9.7% (n = 82/843)
9.3% (n = 146/1573)
Marfan Syndrome
3.6% (n = 14/386)
3.2% (n= 33/1043)
COPD
10.4% (n = 78/753)
7.7% (n = 113/1467)
Chronic Kidney Disease
10.0% (n = 39/390)
8.4% (n = 38/452)
Previous stroke
8.4% (n = 49/582)
10.3% (n= 69/669)
Previous CT intervention
6.1% (n = 33/539)
7.8% (n= 94/1207)
PVD
15.5% (n = 36/233)
10.9% (n= 28/258)
Pre-operative characteristics
Hemodynamic instability
15.3% (n = 92/600)
12.1% (n = 88/725)
Aortic insufficiency
15.9% (n = 73/458)
16.9% (n = 80/472)
Cerebrovascular symptoms
6.0% (n = 36/ 597)
5.5% (n = 38/697)
Malperfusion syndrome
53.2% (n = 191/359)
61.3% (n = 212/346)
Intubation
6.1% (n = 28/457)
5.8% (n = 36/625)
Intra-operative characteristics
CPB time (min)
203.6 ± 71.5 (n = 726)
213.0 ± 67.3(n = 813)
Cross Clamp time (min)
120.4 ± 46.8 (n = 753)
138.3 ± 63.6(n = 1510)
UACP and BACP time (min)
33.3 ± 15.6 (n = 336)
40.6 ± 34.4 (n = 939)
HCA time (min)
31.0 ± 12.1 (n = 726)
35.0 ± 16.2 (n = 813)
Hemi-arch repair
68.9% (n = 554/789)
69.1% (n = 1031/1492)
Total arch repair
31.1% (n = 245/789)
30.9% (n = 461/1492)
Bentall procedure
20.2% (n = 100/496)
24.0% (n = 140/583)
Concomitant CABG
8.4% (n = 71/843)
10.9% (n = 171/1573)
Concomitant AVS
21.6% (n = 97/450)
28.9% (n = 316/1093)