Double arterial cannulation versus right axillary artery cannulation for acute type A aortic dissection: a retrospective study

Table 4 Blood gas analysis and cardiopulmonary bypass records of patients who underwent TAR and SET

	RAC group (n = 15)	DAC group (n = 15)	P value
BSA (m²)	1.87 ± 0.21	1.89 ± 0.17	0.79
Preoperative urine volume (ml)	222.7 ± 184.8	237.3 ± 113.5	0.80
Intraoperative urine volume (ml)	403.3 ± 345.1	676 ± 389.7	0.05
Lowest HCT	20.97 ± 5.82	23.39 ± 3.56	0.18
Highest HCT	27.54 ± 3.28	29.99 ± 5.55	0.15
Last HCT	27.03 ± 3.50	28.33 ± 5.78	0.46
Highest pCO₂	46.73 ± 10.9	48.19 ± 4.86	0.59
Last pCO₂	35.73 ± 4.70	44.15 ± 5.13	< 0.01
Lowest COP	279.9 ± 5.48	276.5 ± 15.44	0.44
Highest COP	293.9 ± 7.90	298.7 ± 9.73	0.17
Last COP	292.6 ± 8.79	298.7 ± 9.73	0.10
Highest lactic acid	5.49 ± 2.40	6.54 ± 3.64	0.34
Last lactic acid	4.89 ± 2.40	6.25 ± 3.75	0.25
Highest volume (ml/min)	5047 ± 467.3	5087 ± 297.3	0.78
Lowest volume (ml/min)	2653 ± 819.3	2660 ± 489.6	0.98
Lowest pumping pressure	131.4 ± 27.03	136.1 ± 24.1	0.62
Highest pumping pressure	260.8 ± 34.99	238.9 ± 35.53	0.09
Cooling time (min)	45.2 ± 6.61	39.67 ± 7.64	0.04
Rewarming time (time)	98.6 ± 29.6	80.5 ± 14.5	0.04
Percent of axillary MAP < 70 mmHg	0.60 ± 0.17	0.65 ± 0.13	0.35
Percent of axillary MAP < 60 mmHg	0.22 ± 0.18	0.29 ± 0.21	0.32
Percent of femoral MAP < 70 mmHg	0.63 ± 0.17	0.59 ± 0.14	0.52
Percent of femoral MAP < 60 mmHg	0.27 ± 0.18	0.23 ± 0.19	0.50

BSA Body surface area; HCT hematocrit; pCO2 partial pressure of carbon dioxide; COP colloid osmotic pressure; MAP mean arterial pressure

ISSN: 1749-8090