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  • Title: A Pilot Study of Femoropopliteal Artery Revascularisation with a Low Dose Paclitaxel Coated Balloon: Is Predilatation Necessary?
    Author: Schroeder H, Meyer DR, Lux B, Ruecker F, Martorana M, Miller LE, Duda S.
    Journal: Eur J Vasc Endovasc Surg; 2017 Sep; 54(3):348-355. PubMed ID: 28778456.
    Abstract:
    OBJECTIVE/BACKGROUND: The objective was to compare 2 year outcomes in patients treated with or without predilatation prior to drug coated balloon (DCB) angioplasty for symptomatic femoropopliteal lesions. METHODS: This prospective multicentre pilot study was conducted at three sites in Germany. It compared claudicants undergoing predilatation with a bare percutaneous transluminal angioplasty (PTA) balloon before DCB (predilatation group) with patients undergoing direct DCB (direct DCB group). Patients were followed for 2 years. Outcomes included late lumen loss at 6 months, and ankle brachial index (ABI), major adverse events, and primary patency at 2 years. A Clinical Events Committee and core laboratories analysed adverse events and angiographic/duplex images, respectively. RESULTS: Between December 2011 and November 2012, 50 patients were enrolled to the predilatation group (12% total occlusions) and 28 to the direct DCB group (5% total occlusions). Follow-up compliance at the 2 year visit was 88% (n = 44) and 86% (n = 24), respectively. Late lumen loss at 6 months was lower in the direct DCB group (0.03 ± 0.68 mm vs. 0.54 ± 0.97 mm; p = .01). Major adverse events over 2 years occurred in seven (15%) patients who underwent predilatation and in five (19%) after direct DCB. Mean ABI at 2 years was 0.94 ± 0.15 after predilatation and 1.0 ± 0.12 after direct DCB. Over 2 years, primary patency (80.3% vs. 78.2%; p = .55) was not statistically different between the groups. After propensity score adjustments, 2 year findings remained unchanged. CONCLUSION: Paclitaxel coated PTA, with or without bare predilatation, is effective over 2 years in symptomatic patients with femoropopliteal stenotic lesions. Adequately powered randomised controlled comparisons are required to confirm these preliminary results.
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