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Abstract:

Purpose. Evaluation of twelve-year results of abdominal aortic aneurysm treatment by Ella stent-grafts with regard to safety and effectiveness in relation to morphology of the aneurysm.

Methods. From a group of 297 patients with abdominal aortic aneurysm, for whom elective endovascular treatment was considered, 204 of them (68,68%) were found to be suitable for this type of therapy. The bifurcated type of stent-graft was implanted in 176 patients, uniiliacal type in 23 patients and only 5 patients were found to be suitable for tubular type of stent-graft. Additional necessary procedures (internal iliac artery occlusion or contra lateral common iliac artery occlusion in a group of patients with uniiliacal type of stent-graft) were performed surgically during the stent-graft implantation.

Results. Primary technical success was achieved in 193 of the 204 patients (94,6%). Primary endoleak was recorded in 11 patients (primary endoleak type I in 7 patients, type I b in 3 patients and type III a in one patient). Assisted technical success after reintervention or spontaneous seal was 99,02%.

Surgical conversion was indicated in 2 patients (0,98%). Perioperative mortality rate was 3,43%. In 20 patients (9,80%) secondary endoleak type II and in 4 patients (1,96%) secondary endoleak type III was found at control CT and in three patients partial thrombosis of the stent-graft was found. There was one aneurysm rupture during follow-up.

Conclusion. Treatment of abdominal aortic aneurysm with Ella stent-graft system is effective and safe. Bifurcated stent-graft is the most frequently used type. Uniiliacal type of stent-graft is used by us only in cases of complicated morphology. 

 

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