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Original articles   

International Angiology 2007 March;26(1):18-25


lingua: Inglese

Mid-term results of endovascular reconstruction for aorto-iliac obstructive disease

Piffaretti G. 1, Tozzi M. 1, Lomazzi C. 1, Rivolta N. 1, Laganà D. 2, Carrafiello G. 2, Caronno R. 1, Castelli P. 1

1 Division of Vascular Surgery, Department of Surgery, University of Insubria-Varese, Varese, Italy 2 Department of Radiology, University of Insubria-Varese, Varese, Italy


Aim. Aorto-iliac obstructive disease has been traditionally treated with endarterectomy and/or a surgical bypass graft. Kissing-stents technique has been proposed to reconstruct the aorto-iliac bifurcation for complex aorto-iliac lesions.
Methods. We report 43 patients with complex aorto-iliac occlusions managed with endovascular repair. Between March 1999 and October 2005, a total of 43 patients with a mean age of 66±10 years underwent endovascular treatment for aorto-iliac obstructive disease. Lesions were classified C (n=34) and D (n=9), accordingly to the Trans-Atlantic Inter-Society Consensus (TASC) classification. All endovascular interventions were performed in the theatre under regional anesthesia. Predilation with kissing-balloons angioplasty was usually performed; the bifurcation was then eventually reconstructed using bilateral stents placed with the kissing technique. Clinical examination and duplex scans or computed tomography-angiography (CT-A) were performed at discharge and 1, 6, and 12 months after the procedure, with yearly studies thereafter.
Results. Kissing-stents technique was selectively used in 30 cases (69.7%); the remainder cases were treated with kissing-balloons. Major complications occurred in 2 patients (4.6%). Overall, mean hospitalization was 4.1±2.8 days (median 3 days). Mean follow-up was 32.4 months (range 1-84 months; median 36 months). During the follow-up, 2 patients (4.6%) died. Duplex and/or CT-A examination detected 4 re-occlusions. Primary patency rates at 12, 24, and 60 months were 92%, 85.7%, and 80.7%, respectively; overall secondary patency rate was 40/43 patients.
Conclusion. We consider this approach most appropriate for patients deemed at high operative risk for conventional repair or for those who refuse surgery.

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