Single-center prospective study examining use of the Wattson temporary pacing guidewire for transcatheter aortic valve replacement.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
Mark HenseyJohn G Webb

Abstract

To assess the safety and efficacy of the Wattson temporary pacing guidewire. Transcatheter aortic valve replacement (TAVR) requires a guidewire for device delivery and generally requires temporary pacing wire for burst and back-up pacing. The Wattson wire provides concomitant support and bipolar pacing without the need to place a temporary venous pacemaker (TVP). This was a single-center nonrandomized prospective clinical trial enrolling 20 patients. The primary endpoint was defined as successful rapid pacing and transcatheter heart valve (THV) delivery with no loss of capture. Safety, qualitative and quantitative secondary outcomes were also analyzed. Mean age was 77.4 ± 9.0 years. Mean Society of Thoracic Surgery (STS) score was 3.0 ± 1.5%. All patients received a balloon-expandable valve via a transfemoral approach. All patients met the primary end-point. One patient (5%) had balloon predilatation and six patients (30%) had postdilatation, all using the wire. Mean pacing threshold was 2.2 ± 1.2 mA that was evaluated prior to placing an insulating catheter over the wire. One patient required TVP placement and subsequent permanent pacemaker implantation due to complete heart block post THV deployment. There were no incidences ...Continue Reading

References

Jan 2, 2007·Heart, Lung & Circulation·Pankaj SaxenaMark A J Newman
Jul 12, 2014·Journal of the American College of Cardiology·George C M SiontisStephan Windecker
Aug 12, 2016·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Benjamin FaurieJacques Monségu
Oct 12, 2016·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Roland Hilling-SmithDavid Hildick-Smith
Dec 12, 2018·EuroIntervention : Journal of EuroPCR in Collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology·Holger Eggebrecht, Rajendra H Mehta
May 1, 2019·EuroIntervention : Journal of EuroPCR in Collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology·Mark HenseyJohn G Webb
Dec 21, 2019·JACC. Cardiovascular Interventions·Benjamin FaurieUNKNOWN EASY TAVI Investigators

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