Lower-extremity endovascular interventions for medicare beneficiaries: Comparative effectiveness as a function of provider specialty

  • A.M. Z
  • R. D
  • T.P. M
  • et al.
Citations of this article
Mendeley users who have this article in their library.


Purpose: Lower-extremity endovascular interventions are increasingly being performed by vascular surgeons (VSs) and interventional cardiologists (ICs) in addition to interventional radiologists (IRs). Regardless of specialty, well trained, experienced, and dedicated operators are expected to offer the best outcomes. To examine specialty-specific trends, outcomes of percutaneous lower-extremity revascularizations in Medicare beneficiaries were compared according to physician specialty types providing the service. Materials and Methods: Medicare Standard Analytical Files that contain longitudinal data of all services (physician, inpatient, outpatient) provided to a 5% sample of Medicare beneficiaries were studied. All claims for percutaneous angioplasty, atherectomy, and stent implantation of lower-extremity arteries during the years 2005-2007 were extracted, and the following outcomes were assessed: mortality, transfusion, intensive care unit (ICU) use, length of stay, and subsequent revascularization or amputation. Outcomes were compared by using regression models adjusted for age, sex, race, emergency department admission, and comorbid conditions. Results: Most outcomes were significantly worse if the service was provided by vascular surgeons compared with other vascular specialists. The in-hospital mortality rate for procedures performed by VSs was 19% higher than for those performed by others, but this difference was not significant (P =.351). Adjusted average 1-year procedure costs were significantly lower for IRs ($17,640) than for VSs ($19,012) or ICs ($19,096). Conclusions: Medicare data show that endovascular lower-extremity revascularization by vascular surgeons results in more transfusion and ICU use, longer hospital stay, more repeat revascularization procedures or amputations, and higher costs compared with procedures performed by interventional radiologists. 2012 SIR.




A.M., Z., R., D., T.P., M., S.C., G., R., D. Jr., C.E., R. Jr., & N.E., M. (2012). Lower-extremity endovascular interventions for medicare beneficiaries: Comparative effectiveness as a function of provider specialty. Journal of Vascular and Interventional Radiology. T.P. Murphy, Vascular Disease Research Center, Rhode Island Hospital, Gerry House 337, 593 Eddy St., Providence, RI 02903, United States. E-mail: tmurphy@lifespan.org: Elsevier Inc. (360 Park Avenue South, New York NY 10010, United States). Retrieved from http://0-ovidsp.ovid.com.wam.city.ac.uk/ovidweb.cgi?T=JS&PAGE=reference&D=emed10&NEWS=N&AN=2012013565

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free