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Table 2 Operative outcomes

From: Different hypothermic and cerebral perfusion strategies in extended arch replacement for acute type a aortic dissection: a retrospective comparative study

Variable Control group (n = 36) Modified group (n = 25) P value
Operation time, h 7.8 ± 1.2 7 ± 0.8 0.005
CPB time, min 218 ± 39 174 ± 29.1 <  0.001
Cross-clamp time, min 129.3 ± 26.4 96.2 ± 20.4 <  0.001
Lower body circulatory arrest time, min 22.8 ± 4.9 16 ± 4 <  0.001
Core temperature, °C 24.6 ± 0.9 29 ± 0.8 <  0.001
Pump pressure, mmHg 63 ± 14.2 65.4 ± 9.8 0.430
Cerebral perfusion flow ml/min 579.4 ± 166 571 ± 104.3 0.831
ml/kg·min 7.4 ± 2.0 7.8 ± 1.2 0.245
uSACP time, min 40 ± 7.7   
bSACP time, min   16 ± 4  
Aortic sinus repair 11 (30.6%) 9 (36%) 0.656
Ascending aorta replacement 25 (69.4%) 17 (68%) 0.905
Bentall 11 (30.6%) 8 (32%) 0.905
Extra-anatomic bypass 2 (5.6%) 0 0.508
CABG 2 (5.6%) 1 (4.0%) 1.000
  1. Data presented as mean ± SD, or percentages as appropriate
  2. CABG: coronary artery bypass grafting