Key result
Endovascular aneurysm repair in patients with abdominal aortic aneurysm was associated with a cumulative 5-year mortality rate of 28.9% and a surgical complication rate of 17.5%.
Why the study?
Endovascular aneurysm repair has become an alternative to open surgery for abdominal aortic aneurysm, but long-term outcomes required analysis.
Cohort (n=236)
Long-term follow-up of EVAR for abdominal aortic aneurysm demonstrates a gradual increase in surgical complications and re-interventions over 5 years, alongside expected mortality increases in an aging population.
Supports vigilant long-term EVAR surveillance in AAA; extends real-world durability data but leaves open randomized comparisons.
INTRODUCTION: The endovascular method as a less invasive treatment for patients with abdominal aortic aneurysm (AAA) has become an alternative to conventional open surgery. AIM: The objective of the present study was to analyse the outcomes of endovascular treatment of AAA patients in long-term observation. MATERIAL AND METHODS: A group of 236 AAA patients subjected to planned endovascular aneurysm repair (EVAR) between 2010 and 2015 was reviewed. Rates of mortality, surgical complications and re-interventions were collected in the separate time periods, i.e. up to 30 days after surgery, 30 days to 3 years, and from 3 to 5 years after surgery. Cumulative rates of these parameters were evaluated in the short-term (up to 30 days after surgery), medium-term (up to 3 years), and long-term (up to 5 years after surgery) perspective. RESULTS: The median age of patients was 75 years, and the most common comorbidities were arterial hypertension (54%) and ischaemic heart disease (52%). Cumulative short-, medium- and long-term mortality rates were 2.5%, 14.2% and 28.9%, respectively. Total rates of surgical complications in short-, medium- and long-term observation were 7.6%, 12.6% and 17.5%, respectively. The cumulative rate of re-interventions ranged from 4.2% to 11.4%. CONCLUSIONS: In the consecutive time periods, the increase in the percentage of surgical complications and re-interventions increased gradually, in contrast to mortality, where the curve grew significantly, which is expected due to the aging and numerous comorbidities in the observed group of patients.
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Kulig et al. (2020) conducted a cohort in Abdominal aortic aneurysm (AAA) (n=236). Endovascular aneurysm repair (EVAR) was evaluated on Cumulative long-term (up to 5 years) mortality. Endovascular aneurysm repair in patients with abdominal aortic aneurysm was associated with a cumulative 5-year mortality rate of 28.9% and a surgical complication rate of 17.5%.
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