Long-term performance of an atrial lead capable of accelerometer based detection of cardiac contractility in patients receiving cardiac resynchronisation therapy

Thomas Senoner, Fabian Barbieri, Georg Semmler, Agne Adukauskaite, Andrea Rubatscher, Wilfried Schgör, Markus Stühlinger, Axel Bauer, Bernhard Erich Pfeifer, Lukas Fiedler, Franz Xaver Roithinger, Florian Hintringer, Alois Suessenbacher, Christian Georg Wollmann and Wolfgang Dichtl

PLOS ONE, 2019, vol. 14, issue 9, 1-9

Abstract: Objectives: To evaluate the long-term performance of the SonRtip atrial lead. Background: To optimize atrioventricular and interventricular timing and thereby potentially improving cardiac resynchronization therapy (CRT) responder rates, a lead integrated technology and a cardioverter/defibrillator-based algorithm measuring peak endocardial acceleration have been introduced. Long-term performance of the atrial lead (SonRtip PS55D, Sorin/MicroPort CRM, Italy) embedded with such a sensor has not been reported so far. Methods: Between 2012 and 2018, 143 patients underwent implantation of the SonRtip atrial lead in four Austrian medical centers. Conventional bipolar atrial leads implanted during the same period in 526 patients receiving CRT were used as control cohort. Results: Among 669 patients included in the study, 10 (1.5%) showed increased atrial pacing thresholds and/or decreased atrial sensing amplitudes and/or sudden increase in atrial lead impedance (above 3000 Ω) after an uneventful early postoperative period. Seven (70%) of the malfunctioning leads were SonRtip leads (p

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0222269

DOI: 10.1371/journal.pone.0222269

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