Table 1 Preoperative and operative details of consecutive patients who underwent TAR with FET technique

Preoperative and operative details (contribution to EuroSCORE)

Age (years‡)

51 (42–58)

47 (40–55)

1.720*

0.087

Female (+1)

31 (23.9)

57 (24.8)

0.039*

0.843

COPD history (+1)

6 (4.6)

2 (0.9)

5.363*

0.021

Peripheral arterial disease history (+2)

11 (8.5)

13 (5.7)

1.054*

0.503

Stroke history (+2)

11 (8.5)

23 (10.0)

0.230*

0.632

Cardiac surgery history (+3)

2 (1.5)

15 (6.5)

4.584*

0.032

Preoperative Scr (μmol/L)

83.1 (71.7–105.8)

90.0 (71.7–114.3)

Non-normally distributed^†

0.532

Scr > 200 μmol/L (+2)

1 (0.8)

6 (2.6)

1.474*

0.225

LVEF (%||)

51 (47–55.3)

50.5 (46–54)

Non-normally distributed^†

0.187

Myocardial infarction in 90 days (+ 2)

9 (6.9)

11 (4.8)

0.725*

0.394

Pulmonary hypertension (+ 2)

1 (0.8)

3 (1.3)

0.216*

0.642

Emergency, operated on the day or next day upon admission (+ 2)

93 (71.5)

174 (75.7)

0.734*

0.392

Concomitant coronary artery bypass graft (+ 2)

18 (13.9)

30 (13.0)

0.046*

0.830

EuroSCORE

2 (3–4)

2 (3–4)

Non-normally distributed^†

0.485

Other preoperative details

Weight (kg)

75 (67.5–86)

75 (67.1–85)

Non-normally distributed^†

0.839

Height (cm)

172 (169–176)

172 (167–176)

Non-normally distributed^†

0.738

Heavy smoker

74 (56.9)

130 (56.5)

0.005*

0.941

CAD history

13 (10.0)

24 (10.4)

0.017*

0.896

Aortic pathology

0.424*

0.515

Aneurysm

7 (5.4)

9 (3.9)

Aortic dissection

123 (94.6)

221 (96.1)

Thoracic endovascular aortic repair history

10 (7.7)

13 (5.7)

0.578*

0.447

Aortic dissection involvement

Root

53 (43.1)

93 (42.1)

0.033*

0.856

Ascending

105 (85.4)

208 (94.1)

7.381*

0.007

Arch

123 (100)

221 (100)

/

/

Total/ proximal

116 (94.3)

217 (98.2)

3.845*

0.050

Left subclavian artery or distal

7 (5.7)

4 (1.8)

Thoracic descending

115 (93.5)

207 (93.7)

0.004*

0.951

Abdominal

99 (80.5)

196 (88.7)

4.350*

0.037

Iliac

73 (59.4)

135 (61.1)

0.100*

0.752

Classification based on chronicity

Acute(< 7 d)

87 (66.9)

168 (73.0)

1.506*

0.220

Subacute(7–30 d)

23 (17.7)

20 (8.7)

6.392*

0.011

Chronic(> 30 d)

20 (15.4)

42 (18.3)

0.482*

0.488

Operative details

Operation time (min)

379 (337–430)

395 (330–463)

Non-normally distributed^†

0.445

CPB time (min)

175 (148–201)

162 (141–209)

Non-normally distributed^†

0.152

Clamp (min)

114 (94–143)

109 (89–131)

Non-normally distributed^†

0.034

CA time (min)

5 (3–7)

17 (14–20)

Non-normally distributed^†

 < 0.001

Require secondary CPB

5 (3.85)

29 (12.61)

7.457*

0.006

Temperature change(°C)

Nasal temperature during CA

27.6 (27.1–28.0)

25.4 (24.9–26.0)

Non-normally distributed^†

 < 0.001

Rectal temperature during CA

28.7 (28–29.7)

28.1 (26.7–30.1)

Non-normally distributed^†

0.015