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J Vasc Surg. 2000 Feb;31(2):237-44.

Hospital cost of endovascular versus open repair of abdominal aortic aneurysms: a multicenter study.

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  • 1Ochsner Clinic and Foundation, New Orleans, LA 70121, USA.

Abstract

BACKGROUND:

Technology-driven innovation in medicine is frequently associated with higher costs than conventional therapy. A significantly higher cost for endovascular ($21,250, n = 190) versus open abdominal aortic aneurysm (AAA) repair ($12,342, n = 60) was suggested by a direct cost analysis of patients in a multicenter trial. Estimated inpatient costs (not charges) incurred nationwide by hospitals for endovascular and open repair of AAA were studied to validate these observed trends.

METHODS:

A retrospective analysis of 131 patients undergoing endovascular AAA repair was compared with 49 patients undergoing open repair as part of a Food and Drug Administration phase II prospective multicenter clinical investigation (AneuRx-Medtronic). A model to estimate costs was constructed using important clinical descriptors of these patients. These clinical characteristics where then matched with those from 22, 460 patients undergoing AAA repair obtained from a large national database (Medicare Provider Analysis and Review). Estimated hospital cost was then assigned to each study patient according to the national average of the total hospital costs for the respective matched patients in Medicare Provider Analysis and Review.

RESULTS:

Total inpatient hospital costs of endovascular repair were significantly higher than that of open repair ($19,985 +/- 7396 versus $12,546 +/- 5944, respectively, P =.0001). Endograft device cost ($10,400) accounted for 52% of the total cost of endovascular repair. The 1999 mean blended Medicare reimbursement for AAA repair was $18,989.

CONCLUSION:

In this early development stage, hospital cost for endovascular AAA repair is significantly greater than open repair when device cost greatly exceeds $5000. Although incremental reductions in cost of endovascular repair may be anticipated if use of diagnostic studies, operating time, and length of stay decrease, device cost has the single greatest impact on the expense of endovascular AAA repair. At current device pricing, mean blended Medicare reimbursement does not cover the cost of endovascular AAA repair.

PMID:
10664492
[PubMed - indexed for MEDLINE]
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