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  • Title: Long-term outcome of endovascular popliteal artery aneurysm repair.
    Author: Jung E, Jim J, Rubin BG, Sanchez LA, Choi ET, Sicard GA, Geraghty PJ.
    Journal: Ann Vasc Surg; 2010 Oct; 24(7):871-5. PubMed ID: 20831988.
    Abstract:
    BACKGROUND: Popliteal artery aneurysms have traditionally been repaired with an open surgical approach. However, endovascular popliteal artery repair (EVPAR) has been used in selected patients because of its less invasive nature. In this report, we present our long-term outcomes for EVPAR. METHODS: Retrospective review of all patients who underwent EVPAR at a single academic institution between September 2002 and March 2006. These patients were evaluated for patency, need for secondary intervention, amputation-free survival, and overall survival. RESULTS: A total of 15 limbs in 13 patients were treated with EVPAR during the study period. All EVPAR were performed using the Viabahn(®) endoprostheses, with an average of 1.67 stents per limb. The mean age of the patients was 74.6 years (range, 66-84). Technical success was achieved in 100% and all limbs had initial postoperative ankle-arm indices of ≥ 1.0. Mean duration of follow-up was 54 months (range, 42-70). Two patients died of unrelated causes at 3 and 38 months with intact limbs, and one patient was lost to follow-up. Two limbs developed type I or III endoleaks, and were successfully treated with additional endovascular stent placement, resulting in a primary patency rate of 84.6% and secondary patency rate of 100%. There were no instances of limb loss during the follow-up period, yielding both amputation-free survival and overall survival rates of 85.7%. CONCLUSIONS: Long-term follow-up of this cohort of EVPAR patients suggests that in selected patients, this is a durable technique, capable of achieving excellent patency rates and limb preservation. Further large-scale clinical trials are warranted to help define optimal candidates for this technique.
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