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INTERNATIONAL ANGIOLOGY

A Journal on Angiology


Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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International Angiology 2005 December;24(4):340-8

language: English

Long-term results of combined iliac endovascular intervention and infrainguinal surgical revascularization for treatment of multilevel arterial occlusive disease

Miyahara T. 1, Miyata T. 1, Shigematsu H. 2, Shigematsu K. 2, Okamoto H. 1, Nakazawa T. 1, Nagawa H. 1

1 Division of Vascular Surgery, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
2 The Surgical Center, The University of Tokyo Hospital, Tokyo, Japan


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Aim. The purpose of this study was to investigate the long-term results of combined iliac endovascular intervention and infrainguinal surgical revascularization.
Methods. A retrospective review of 39 infrainguinal bypasses combined with iliac endovascular intervention in 35 patients over a 16-year period was performed (Combined group). These results were compared to those of 43 infrainguinal bypasses performed with suprainguinal bypass operation in 39 patients (Surgical group), who had iliac lesions not amenable to angioplasty/stenting. There was no significant difference in the preoperative limb ischemic symptoms between them.
Results. Although the proportion of patients with coronary artery disease in the Combined group was significantly higher than that in the Surgical group, there was a trend toward lower morbidity/mortality in the Combined group compared with the Surgical group (8.6% vs 15.4%; P=0.3706). No significant differences in the rates of clinical and hemodynamic improvement and limb salvage rate were observed between the two groups. The primary patency rate of infrainguinal bypass at 1, 3, and 5 years was 83.2%, 80%, and 71.2% in the Combined group, and 97.1%, 89.9%, and 80.5% in the Surgical group, respectively. The secondary patency rate at 1, 3, and 5 years was 91.9%, 91.9%, and 76.3% in the Combined group, and 97.1%, 89.9%, and 84.6% in the Surgical group, respectively. Importantly, there was no significant difference in the primary/secondary patency rates between the two groups (Kaplan-Meier, log-rank test, primary patency, P=0.116; secondary patency, P=0.4407).
Conclusion. Infrainguinal surgical reconstruction combined with iliac endovascular procedure may reduce operative risk, and further, long-term patency is comparable to that in the Surgical group.

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