Extensive aortic surgery in acute aortic dissection type A on outcome – insights from 25 years single center experience

Table 2 Intraoperative findings and early postoperative outcome

	all	SCR	SCR + TAR	p-value	COMP	p-value	COMP+TAR	p-value	AVS	p-value
Operation time (min)	359 ± 142	337 ± 123	387 ± 147	0.005	362 ± 159	0.118	420 ± 164	0.003	326 ± 128	0. 728
ECC time (min)	221 ± 96	199 ± 90	255 ± 115	< 0.001	218 ± 85	0.068	263 ± 110	0.002	202 ± 85	0. 860
Cross-clamp time (min)	115 ± 52	95 ± 42	123 ± 67	< 0.001	124 ± 47	< 0.001	137 ± 55	< 0.001	122 ± 46	0.002
Circulatory arrest time (min)	25 ± 28	22 ± 27	42 ± 34	< 0.001	16 ± 19	0.047	29 ± 29	0.256	15 ± 15	0.144
30-day mortality	83 (21)	25 (18)	14 (19)	0.888	29 (25)	0.202	6 (24)	0.513	4 (14)	0.556
Intraoperative mortality	29 (7.3)	5 (4)	5 (7)	0.304	11 (9)	0.056	4 (15)	0.018	1 (3)	0.974
Reexploration for bleeding	38 (9.3)	9 (7)	1 (11)	0.189	12 (10)	0.201	2 (8)	0.716	8 (29)	< 0.001
New stroke	52 (12)	15 (11)	12 (18)	0.493	21 (19)	0.270	5 (22)	0.337	1 (14)	0.963
ICU stay (days)^a	4 (1–9)	4 (1–4)	5 (1–5)	0.753	3 (1–6.5)	0.036	4 (1–8.5)	0.691	3 (1–8)	0.397
Mechanical ventilation (h)	98 ± 208	121 ± 286	91 ± 145	0.474	75 ± 137	0.162	65 ± 188	0.279	88 ± 154	0.613
Hemodialysis	57 (14)	19 (15)	15 (22)	0.179	16 (15)	0.819	4 (17)	0.688	2 (7)	0.315
Blood transfusion (ml)	2111 ± 1534	2422 ± 3938	2203 ± 2115	0.894	2230 ± 3034	0.935	4186 ± 4929	0.142	2842 ± 4258	0.492

Data are presented as n (percentage) or mean ± standard deviation (SD)
All groups were compared to standard SCR. AVS aortic valve sparing, COMP composite replacement, ECC extracorporeal circulation, ICU intensive care unit, SCR supracommissural replacement, TAR total arch replacement
^amedian (interquartile range, Mann-Whitney-U Test)

ISSN: 1749-8090