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Longitudinal Outcomes After Endovascular Repair of Abdominal Aortic Aneurysms

^* To whom correspondence should be addressed. E-mail: tvogel{at}excite.com.

	Abstract

Objective: Endovascular abdominal aneurysm repair (EVAR) is increasingly used, but there is insufficient evaluation of long-term outcomes. Method: Retrospective cohort study using the linked Washington State hospital discharge database. Result: 3,350 patients underwent elective repair of AAA (1181 EVAR) between 2000 and 2005. EVAR patients were older and had higher comorbidity scores. The 30-day readmission rate after EVAR was 11.6%. The 30-day readmissions included cardiac complications (18.5%) and device complications (10.4%). 46% of the 30-day readmissions after EVAR underwent procedures: abdominal/ iliac angiography (7.4%), angioplasty (8.9%), and device revision (8.2%). Mean time to late interventions was 611 days. Conclusion: Readmission, reintervention, and complication rates after EVAR occur more commonly than previously described. Cardiac complications were the most common readmission. Almost half of the 30-day readmissions required a secondary intervention. Longterm complications after EVAR occurred before two years. Population-based assessment may be more reflective of "real world" complication rates after EVAR.

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