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Houman Solomon, MD; Alexander B. Chao, MD; Fred A. Weaver, MD; Steven G. Katz, MD

Arch Surg. 2007;142:733-737.

Hypothesis  Technological advances have required that faculty of academic divisions of vascular surgery acquire new technical skills and significantly alter their past clinical practice patterns.

Design  Retrospective medical record review.

Setting  An academic tertiary referral center and a community teaching hospital.

Patients  All patients undergoing 10 specific vascular procedures during a 5-year period.

Main Outcome Measures  We analyzed volumes for 10 specific open and endovascular index procedures performed by 5 vascular surgeons during a 60-month period. Procedures reviewed included open abdominal aortic aneurysm repair, endovascular abdominal aortic aneurysm repair, carotid endarterectomy, carotid artery stent, suprainguinal arterial reconstruction, suprainguinal percutaneous transluminal angioplasty/stent (PTA/S), infrainguinal arterial reconstruction, infrainguinal PTA/S, renal and visceral arterial reconstruction, and renal and visceral PTA/S. In-hospital length of stay was compared between open procedures and their endovascular counterparts.

Results  In 2000, 453 open and 44 endovascular index procedures were performed. In contrast, by 2005, open index cases had decreased by 47.0% (239) and endovascular index cases had increased by 679.5% (299). Open abdominal aortic aneurysm repairs had decreased by 54.5% (68 vs 31), carotid endarterectomies by 28.8% (139 vs 99), suprainguinal arterial reconstructions by 47.5% (40 vs 21), infrainguinal arterial reconstructions by 56.5% (186 vs 81), and renal/visceral arterial reconstructions by 65.0% (20 vs 7). In 2005, 62 endovascular abdominal aortic aneurysm repairs and 45 carotid stents were performed, whereas none were performed in 2000. In addition, infrainguinal PTA/S had increased by 675.0% (12 vs 81) and suprainguinal PTA/S by 20.0% (20 vs 24).

Conclusions  Although the total number of procedures performed has remained relatively constant, there has been a dramatic increase in the number of endovascular procedures as well as an associated decline in the number of open procedures. This change in practice pattern has allowed the members of our division to maintain a significant role in the care of patients undergoing vascular surgery, as evidenced by stable overall procedural volume. This will provide a platform for future outcome-related analyses of open vs endovascular procedures performed within a single specialty group.

Author Affiliations: Division of Vascular Surgery and Endovascular Therapy, Keck School of Medicine, University of Southern California University Hospital, Los Angeles, and Huntington Hospital, Pasadena, California.

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