Follow-up compliance after endovascular abdominal aortic aneurysm repair in Medicare beneficiaries
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Authors
Schanzer, AndresMessina, Louis M.
Ghosh, Kaushik
Simons, Jessica P.
Robinson, William P. III
Aiello, Francesco A.
Goldberg, Robert J.
Rosen, Allison B.
Document Type
Journal ArticlePublication Date
2015-01-01
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OBJECTIVE: Lifelong imaging follow-up is essential to the safe and appropriate management of patients who undergo endovascular abdominal aortic aneurysm repair (EVAR). We sought to evaluate the rate of compliance with imaging follow-up after EVAR and to identify factors associated with being lost to imaging follow-up. METHODS: We identified a 20% sample of continuously enrolled Medicare beneficiaries who underwent EVAR between 2001 and 2008. Using data through 2010 from Medicare Inpatient, Outpatient, and Carrier files, we identified all abdominal imaging studies that may have been performed for EVAR follow-up. Patients were considered lost to annual imaging follow-up if they did not undergo any abdominal imaging study within their last 2 years of follow-up. Multivariable models were constructed to identify independent factors associated with being lost to annual imaging follow-up. RESULTS: Among 19,962 patients who underwent EVAR, the incidence of loss to annual imaging follow-up at 5 years after EVAR was 50%. Primary factors associated with being lost to annual imaging follow-up were advanced age (age 65-69 years, reference; age 75-79 years: hazard ratio [HR], 1.23; 95% confidence interval [CI], 1.15-1.32; age 80-85 years: HR, 1.45; 95% CI, 1.35-1.55; age > 85 years: HR, 2.03; 95% CI, 1.88-2.20) and presentation with an urgent/emergent intact aneurysm (HR, 1.27; 95% CI, 1.20-1.35) or ruptured aneurysm (HR, 1.84; 95% CI, 1.63-2.08). Additional independent factors included several previously diagnosed chronic diseases and South and West regions of the United States. CONCLUSIONS: Annual imaging follow-up compliance after EVAR in the United States is significantly below recommended levels. Quality improvement efforts to encourage improved compliance with imaging follow-up, especially in older patients with multiple comorbidities and in those who underwent EVAR urgently or for rupture, are necessary. rights reserved.Source
J Vasc Surg. 2015 Jan;61(1):16-22.e1. doi: 10.1016/j.jvs.2014.06.006. Epub 2014 Nov 1. Link to article on publisher's site
DOI
10.1016/j.jvs.2014.06.006Permanent Link to this Item
http://hdl.handle.net/20.500.14038/49715PubMed ID
25441010Related Resources
ae974a485f413a2113503eed53cd6c53
10.1016/j.jvs.2014.06.006