Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience
Table 1
Demographics and preoperative baseline characteristics.
Variables
All pts
Group LT
Group HT
value
()
()
()
Mean ± SD
Mean ± SD
Mean ± SD
(%)
(%)
(%)
Age, years
63.2 ± 11.7
62.1 ± 10.7
63.9 ± 12.3
0.152
Gender (male)
160 (66.4)
66 (70.2)
94 (64.0)
0.331
Comorbidities
Hypertension
208 (86.3)
79 (84.0)
129 (87.8)
0.446
Diabetes mellitus
24 (10.0)
8 (8.5)
16 (10.9)
0.661
Atherosclerosis
101 (41.9)
33 (35.1)
68 (46.3)
0.108
Marfan syndrome
12 (5.0)
1 (1.1)
11 (7.5)
0.031
Previous cardiac surgery
7 (2.9)
2 (2.1)
5 (3.4)
0.708
Symptoms at admission
Shock
40 (16.6)
13 (13.8)
27 (18.4)
0.381
Severe or worst-ever pain
223 (92.5)
82 (87.2)
141 (95.9)
0.021
Chest pain
202 (83.8)
67 (71.3)
135 (91.8)
<0.001
Syncope
37 (15.4)
22 (23.4)
15 (10.2)
0.010
Pulse deficits on presentation
110 (45.6)
33 (35.1)
77 (52.4)
0.012
values refer to Mann–Whitney test for the quantitative data and to Fisher’s exact probability test for the categorical data. pts: patients, Group LT: arrest circulation temperature <24°C, Group HT: higher arrest temperature ≥24°C.
