Re-interventions after endovascular aortic repair for infrarenal abdominal aneurysms: a retrospective cohort study

Table 3 Number of re-intervention procedures performed for each group of re-interventions. Number of patients, days after primary repair and number of re-interventions performed due to findings on follow up imaging or due to symptom

		Number of reintervention procedures	Number of patients	Days after primary EVAR^a	Detected by
		Number of reintervention procedures	Number of patients	Days after primary EVAR^a	Follow up	Symptoms
ENDOVASCULAR	Embolisation	21	17	1029 (578–1357)^a	20	1
	Additional iliac stent graft	19	17	821 (539–1414)^a	15	4
	Proximal extension	12	12	239(68–1163)^a	6	6
	Thrombolysis	8	7	41 (18–90)^a	0	8
	Iliac bare metal stent	6	6	27 (8–242)^a	3	3
	Relining	5	5	0; 40; 44; 415; 2151^b	4	1
	Drainage of aneurysm sac in infected aneurysm	1	1	773^b	0	1
	Bifurcated stent graft in previous isolated iliac stent graft/aortic tube graft	2	2	2; 7^b	1	1
	Renal artery stent	1	1	581^b	1	0
	Palmaz stent	1	1	105^b	1	0
	Balloon dilatation of iliac limb stent graft	1	1	77^b	0	1
	Stent graft external to internal iliac artery in combination with femoro-femoral bypass	1	1	13^b	1	0
	Onyx in proximal sealing zone due to endoleak type I	1	1	202^b	1	0
OPEN SURGERY	Open surgery with stent graft extirpation^c	4	4	641; 785; 1069; 1420^b	2	2
	Femoro-femoral crossover bypass	4	4	0; 13; 20; 80^b	1	3
	Laparotomy due to abdominal compartment syndrome	3	3	0; 1; 20^b	0	3
	Bowel resection	2	2	5; 32^b	0	2
	Rafi of small intestine in patient with aortoenteric fistula. (Two operations on one patient with mycotic AAA and gastrointestinal fistula)	2	2	19; 20^b	0	2
	Laparotomy with lumbar artery ligature	1	1	2160^b	1	0

^aDays after primary EVAR presented as median and interquartile range
^bPresented as days after primary EVAR for each procedure
^cOpen surgery with stent graft extirpation was performed with axillobifemoral reconstruction in three cases and abdominal tube graft in one case