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  • Title: Long-term results of drug-eluting balloon angioplasty for treatment of refractory recurrent carotid in-stent restenosis.
    Author: Gandini R, Del Giudice C, Da Ros V, Sallustio F, Altobelli S, D'Onofrio A, Abrignani S, Vasili E, Stanzione P, Simonetti G.
    Journal: J Endovasc Ther; 2014 Oct; 21(5):671-7. PubMed ID: 25290795.
    Abstract:
    PURPOSE: To evaluate the potential role, safety, and efficacy of paclitaxel-eluting balloon angioplasty for treatment of recurrent carotid in-stent restenosis (ISR). METHODS: Among 856 consecutive patients who underwent carotid artery stenting from May 2002 to January 2008, 41 patients had a significant ISR (>80% stenosis). Of these, 9 patients (7 women; mean age 78.1±5.6 years) had recurrent ISR despite multiple endovascular treatments (3.4±0.9 interventions) within a short period of time (2-5 months). These patients were treated with drug-eluting balloon (DEB) angioplasty for neointimal hyperplasia. Imaging (ultrasound or computed tomographic angiography) was performed at 1, 3, and 6 months and yearly thereafter. RESULTS: Technical success was obtained in 100% of cases, with angiographic stenosis decreasing from 87%±4% to 6%±4% post treatment. Peak systolic velocity decreased significantly from 4.7±1.5 m/s to 0.6.±0.3 m/s after the procedure. Over a mean follow-up of 36.6±2.7 months, ultrasound imaging indicated recurrent ISR in only 3 patients at 18, 25, and 32 months after DEB angioplasty, respectively. The target vessel revascularization rate was 33.3% at 36 months. No neurological or myocardial events were recorded during follow-up. One patient died at 3 months. CONCLUSION: DEB may have a potential role improving outcomes of those patients treated for early recurrent carotid ISR.
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