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  • Title: Early experience with the EntrustTM delivery system for stent treatment of the lower extremities' arteries via transbrachial approach.
    Author: Stavroulakis K, Bisdas T, Torsello G, Bosiers MJ, Schwindt A.
    Journal: J Cardiovasc Surg (Torino); 2014 Aug; 55(4):483-8. PubMed ID: 24975735.
    Abstract:
    AIM: The femoral artery remains the access of choice in the majority of peripheral vascular interventions. However, specific conditions indicate catheterization of the brachial artery. Contrary to balloon catheters, the majority of stent delivery systems are too short to facilitate transbrachial implantation of self-expandable stents (SES) in the superficial femoral artery (SFA). We report our experience with a new 150 cm working length SES-delivery system for transbrachial lower extremity interventions. METHODS: All patients treated with the Entrust(TM) delivery system (EDS) for lower extremity peripheral arterial disease (PAD) via a transbrachial access between December 2012 and February 2014 were included into this study. All data were prospectively collected and analyzed. Primary endpoints were the feasibility and safety of the EDS in the transbrachial setting. Secondary endpoints consisted of stent length accuracy after deployment, early clinical outcome and perioperative complications. RESULTS: Thirty-seven EverFlex(TM) stents with Entrust(TM) delivery system were implanted transbrachially in twenty-eight (N.=28) patients. The transbrachial implantation of a SES using the EDS was feasible in all patients. Stent compression or elongation >10%, premature jumping or movements of the implanted stents were not observed in any patient. Although no stent fractures were observed, a single stent occlusion was noticed. Early clinical success was achieved in all but one patient, with one patient requiring a surgical revision of the puncture site due to pseudoaneurysm. CONCLUSION: The early experience with the new SES-delivery system suggests that EDS enables the safe and effective treatment of the lower extremities PAD via a transbrachial approach. However, further evaluation is needed to define whether the use of the new long shaft stent delivery system influences the performance of the EverFlex(TM) stent in the long run.
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