Background
Methods
Patients
All | No re-interventions | Re-interventions | P value | |
---|---|---|---|---|
n = 405 | n = 340 | n = 65 | ||
Age | 74.8 (7.3)* | 74.9 (7.4)* | 74.2 (7.0)* | 0.87 |
Male Gender | 338 (83.5 %) | 278 (81.8 %) | 60 (92.3 %) | 0.046 |
Body mass index | 27.1 (5.2)* (n = 225) | 27.1 (5.2)* (n = 195) | 27.6 (4.8)* (n = 30) | 0.76 |
Type of aneurysm | ||||
Atherosclerotic | 379 (94 %) | 319 (94 %) | 59 (91 %) | 0.51 |
Inflammatory | 12 (3.0 %) | 9 (2.6 %) | 3 (4.6 %)2 | 0.27 |
Mycotic | 13 (3.2 %) | 11 (3.2 %) | (3.1 %) | 0.94 |
Other | 1 (0.2 %) | 1 (0.5 %) | 1 (1.5 %) | 0.28 |
Ruptured aneurysm | 68 (16.8 %) | 53 (15.6 %) | 15 (23.1 %) | 0.002 |
AAA diam (mm) | 66 (13.0)* (n = 381) | 65 (12.9)* (n = 322) | 68 (13.2)* (n = 59) | 0.026 |
CIA diam (mm) | 45 (13.0)* (n = 49) | 45 (13.8)* (n = 39) | 47 (12.0)* (n = 10) | 0.52 |
Serum creatinine (umol/L) | 104 (66.7)* | 103 (60)* | 111 (94.3)* | 0.082 |
Diabetes mellitus | 69 (17.0 %) | 60 (17.6 %) | 9 (13.8 %) | 0.65 |
Known pulmonary disease | 89 (22.0 %) | 77 (22.6 %) | 12 (18.5 %) | 0.68 |
Previous cardiac disease** | 189 (46.7 %) | 160 (47.1 %) | 29 (44.6 %) | 0.54 |
Dialysis | 13 (3.2 %) | 10 (3.0 %) | 3 (4.6 %) | 0.27 |
Previous cerebral infarction/TIA | 51 (12.6 %) | 46 (13.6 %) | 5 (7.7 %) | 0.22 |
Hypertension | 295 (72.8 %) | 253 (74.4 %) | 42 (64.6 %) | 0.33 |
Smoking (ever) | 267/340 (78.5 %) | 232/290 (80.0 %) | 35/50 (70.0 %) | 0.27 |
Study protocol
Stent grafts
Statistical analysis
Results
General
Access-related re-interventions
Non-access-related re-interventions
Incidence
Indications
Primary EVAR | Time to reinterven-tion (days) | Re-intervention | Survival | Follow up (days) | |
---|---|---|---|---|---|
Patient 1 | Non-rupture | 84 | Proximal cuff | Dead | 16 |
Bifurcated | Infected EVAR –Chimney graft to renal arteries | ||||
Patient 2 | Non-rupture | 166 | Proximal | Dead | 3 |
Bifurcated | Extension- Cuff | ||||
Patient 3 | Rupture | 2 | Bifurcated EVAR in previous tube graft | Alive | 276 |
Tube graft | |||||
Patient 4 | Non-rupture | 1875 | Distal extension | Alive | 32 |
Bifurcated |
Number of reintervention procedures | Number of patients | Days after primary EVARa | Detected by | |||
---|---|---|---|---|---|---|
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; 2151b | 4 | 1 | |
Drainage of aneurysm sac in infected aneurysm | 1 | 1 | 773b | 0 | 1 | |
Bifurcated stent graft in previous isolated iliac stent graft/aortic tube graft | 2 | 2 | 2; 7b | 1 | 1 | |
Renal artery stent | 1 | 1 | 581b | 1 | 0 | |
Palmaz stent | 1 | 1 | 105b | 1 | 0 | |
Balloon dilatation of iliac limb stent graft | 1 | 1 | 77b | 0 | 1 | |
Stent graft external to internal iliac artery in combination with femoro-femoral bypass | 1 | 1 | 13b | 1 | 0 | |
Onyx in proximal sealing zone due to endoleak type I | 1 | 1 | 202b | 1 | 0 | |
OPEN SURGERY | Open surgery with stent graft extirpationc | 4 | 4 | 641; 785; 1069; 1420b | 2 | 2 |
Femoro-femoral crossover bypass | 4 | 4 | 0; 13; 20; 80b | 1 | 3 | |
Laparotomy due to abdominal compartment syndrome | 3 | 3 | 0; 1; 20b | 0 | 3 | |
Bowel resection | 2 | 2 | 5; 32b | 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; 20b | 0 | 2 | |
Laparotomy with lumbar artery ligature | 1 | 1 | 2160b | 1 | 0 |