Abstract
Background
Endovascular aortic aneurysm repair (EVAR) is a prophylactic procedure, so the decision to operate should consider, as recent guidelines suggest, the life expectancy of the patient. Several models for predicting life span have been already designed, but little is known about how intervened patients evolve in Southern European Countries, where the incidence of coronary artery disease, the main cause of death among these subjects, is low.
Methods
We conducted a retrospective analysis of 176 consecutive patients who underwent elective EVAR at the Vascular Surgery Department of the Hospital del Mar (Barcelona, Spain) during 2000–2014. Cox regressions were performed to identify preoperative factors associated with long-term survival after EVAR, and a risk model was developed.
Results
Three- and five-year survival rates were 73.9 and 53.9 %, respectively. During the follow-up, 72 deaths (40.9 %) were registered, cancer being the most frequent cause (41.7 %). Preoperative variables negatively associated with long-term survival were serum creatinine ≥150 µmol/L (HR 2.5; 95 % CI 1.4–4.2), chronic obstructive pulmonary disease (HR 1.9; 95 % CI 1.2–3.1), atrial fibrillation (HR 2.0; 95 % CI 1.2–3.4), and prior cancer history (HR 1.9; 95 % CI 1.2–3.1). Distal pulses present in both lower limbs were marginally associated with survival (HR 0.65; 95 % CI 0.4–1.07). The survival predictive model showed a good discrimination capacity (C statistic = 0.703; 95 % CI 0.641–0.765).
Conclusions
Long-term survival of patients submitted to EVAR in our setting was worse than expected and markedly related to cancer. Our study suggests that predictive models for long-term survival after EVAR may be influenced by regional characteristics of the intervened population. This effect should be taken in consideration in the decision-making process of these patients.
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Sevilla, N., Clara, A., Diaz-Duran, C. et al. Survival After Endovascular Abdominal Aortic Aneurysm Repair in a Population with a Low Incidence of Coronary Artery Disease. World J Surg 40, 1272–1278 (2016). https://doi.org/10.1007/s00268-015-3377-x
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DOI: https://doi.org/10.1007/s00268-015-3377-x