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  • Title: The novel active fixation coronary sinus lead: efficacy and safety of transvenous extraction procedure.
    Author: Bontempi L, Vassanelli F, Ashofair N, Inama L, Mariggiò D, Cerini M, Curnis A.
    Journal: Europace; 2016 Feb; 18(2):301-3. PubMed ID: 26467399.
    Abstract:
    AIMS: Benefits of cardiac resynchronization therapy (CRT) are well known for heart failure; however, some patients might experience complications related to the coronary sinus (CS) lead (high pacing threshold, phrenic nerve stimulation, and dislodgment) with unfavourable impact on quality of life, costs, and management. Lead stability is one of the most common unmet needs for CRT procedures. METHODS AND RESULTS: Recently, new model Medtronic 20066 Attain Stability(®) (Maastricht, The Netherlands) active fixation LV lead has been released, to overcome this issue. The lead has a small side helix of 0.20 mm (0.008 in.) that allows for secure placement of the lead within the vein at the desired location. We report our first experience with the extraction of this novel active fixation left ventricular lead. CONCLUSION: In our case, to our knowledge the first reported in humans, the extraction of this new model of active fixation lead was proved to be a safe and effective procedure at 8 months after implantation. Indeed, under angiographic and fluoroscopic check, there was no documented dissection or damage to the CS during and after removal of the lead. The rotation manoeuvre was effective when combined with moderate traction of the lead itself.
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