Table 6.

Outcomes after 114 endovascular procedures following the elephant trunk procedure

	All	Dissection	Aneurysm	P value
All major endovascular procedures	114	33	81	.03
Planned second-stage completion	97 (85.0%)	29 (87.8%)	68 (83.9%)	ns
Branched/chimney	25	11	14	.04
Standard stent-graft	72	18	54
Third-stage and extensions	17 (14.9%)	4 (12.1%)	13 (16.0%)	ns
Branched stent-graft	10	3	7	ns
Standard stent-graft	7	1	6
Treatment with standard stent-grafts (second and third stages only)	79 (69.2%)	19 (57.5%)	60 (74.0%)	.04
Stent-graft units per patient (straight)
1	30	9	20	ns
2	40	3	23	.05
3	13	2	11	ns
Mean number of grafts per patients	1.77	1.61	1.83	.02
Straight stent-graft length, mm	216 [155-338]	155 [100-209]	265 [199-345]	.006
Length covered from collar, mm	182 [154-214]	168 [155-197]	184 [154-214]	.001
Median stent-graft diameter, mm	34 [30-40]	28 [26-32]	34 [31-42]	<.001
Treatment with branched stent-graft (any stage)	35 (30.7%)	14 (42.2%)	21 (25.9%)	.01
Custom-made	27	7	20	.003
Off-the-shelf	7	7	0	<.001
Chimney	1	0	1	ns
Antegrade/one-step procedure	12	2	10	ns
Fenestration (second stage)	18	18	–	–
Standard stent-graft + fenestration	8	8	–	–
Branched stent-graft + fenestration	10	10	–	–
Fenestration (third stage/extension)	4	4		–
With standard stent-graft	1	1	–	–
With branched stent-graft	3	3	–	–
Reinterventions
Thoracic/thoracoabdominal	17	4	13	ns
Standard stent graft	7	1	6	–
Branched stent graft	10	3	7	–
Abdominal/iliac	31	12	15	.02
Renal/visceral	5	3	1	.06
Minor endoleak	15	6	9	ns
Other peripheral	10	4	6	ns
Visceral branch complications	5	2	3	ns

Values are n (%) or median [interquartile range]. ns, Not significant.