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The Journal of Cardiovascular Surgery 2013 October;54(5):617-23


lingua: Inglese

Long-term outcome of femoropopliteal stenting. Results of a prospective study

Schönefeld E. 1, 2, Torsello G. 1, 2, Osada N. 1, 2, Herten M. 1, 2, Bisdas T. 1, 2, Donas K. P. 1, 2

1 Department of Vascular and Endovascular Surgery University of Münster, Münster, Germany; 2 Department of Vascular Surgery St. Franziskus-Hospital GmbH, Waldeyerstr. 30 48149 Münster, Germany


Aim: Aim of the study was to assess the long-term clinical results of primary stent placement in patients with femoro-popliteal lesions and intermittent claudication (IC) or critical limb ischemia (CLI).
Methods: Prospectively collected data of 517 patients (543 limbs) treated for IC (N.=422; 77.5%) and CLI (N.=121; 22.5%), between September 2006 and December 2010 were evaluated. Survival, limb salvage and patency rates were analyzed and multivariate analysis was performed to evaluate possible risk factors for the development of restenosis.
Results: Mean patients’ age was 70.6 years (SD ±10); 64.8% of the patients (N.=335) were male. Angiography revealed TASC A or B lesions in 64.5% (N.=350), TASC C or D lesions in 35.5% (N.=193) of the patients. Two hundred thirty-two patients had evidence of occluded femoropopliteal artery (42.7%) and the remaining patients had evidence of high grade (>70%) stenosis. In total, 827 bare metal nitinol stents (1.53±0.9 per limb) were used. No early (<30-day) procedure-related death was recorded. After a mean follow-up period of 60 months (SD ±13.5), 69 patients died (13.4%). Eight (1.5%) patients underwent major amputation. The amputation rate was significantly higher in the CLI group compared to the IC group (P=0.03). Primary patency rates were 86.2%, 79.1%, 75.1% and 62.2% after 1, 2, 3 and 5 years, respectively. No difference in terms of patency rates was found between the results of the treatment of TASC A/B versus TASC C/D lesions and the patient groups with IC versus CLI.
Conclusion: The endovascular-first line treatment with use of nitinol stents for patients with femoropopliteal artery lesions is associated with acceptable long-term patency rates, even in patients with long lesions.

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