EP.WE.906Endovascular Repair of Abdominal Aortic Aneurysm – A Retrospective Analysis of Outcomes from a UK Teaching Hospital

Aims Endovascular Repair of Abdominal Aortic Aneurysm (EVAR) is a minimally invasive technique that has become increasingly popular in the past few years. Recent evidence questioned the long term durability of the technique and highlighted the relevance of long term complications and reinterventions. The aim of this paper is to evaluate long term outcomes of EVAR with a focus on survival and aneurysm related reinterventions. Methods We retrospectively analysed all elective EVAR procedures performed for Abdominal Aortic Aneurysm (AAA) between May 2010 and June 2016 in our institution. Data collected included - comorbidities, post operative survival and post operative aneurysm related interventions. Survival analysis was performed using the Kaplan-Meyer method. We build a Cox Proportional-Hazard model to identify factors associated with increased mortality. Results 182 patients were included in our analysis. Median age was 77 years (50-92). Median follow up was 65 months (31-104). During the follow up period we recorded 41 deaths. 30 day mortality was 0.5% (1), 2 year mortality was 8.7% (16). 17 patients (9.3%) required reintervention during the follow up period (2.4 reinterventions per 100 patient-years). Conclusions Our medium and long term outcomes following EVAR are comparable with what has been reported in the literature. A higher ASA grade and advanced age were associated with increased mortality in our cohort.