ArticleMedizinische Klinik, Intensivmedizin und Notfallmedizin2017
The double guidewire approach for transcoronary pacing in a porcine model.
Article in Medizinische Klinik, Intensivmedizin und Notfallmedizin, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Coronary Guidewires in Temporary Cardiac Pacing and Assessment of Myocardial Viability: Current Perspectives and Future Directions.Journal of clinical medicine · 2023Review
- Transcoronary pacing in an animal model : Second coated guidewire versus cutaneous patch as indifferent electrodes.Medizinische Klinik, Intensivmedizin und Notfallmedizin · 2022Article
- Transcoronary pacing : Reliability during myocardial ischemia and after implantation of a coronary stent.Medizinische Klinik, Intensivmedizin und Notfallmedizin · 2020Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTranscoronary pacing is used for treatment of unheralded bradycardias in the setting of percutaneous coronary interventions (PCI).
objectivesIn the present study we introduced a new concept - the double guidewire approach - for transcoronary pacing in a porcine model.
methodsTranscoronary pacing was applied in 16 adult pigs under general anaesthesia in an animal catheterization laboratory. A special guidewire with electrical insulation by PTFE coating except for the distal part of the guidewire was positioned in the periphery of a coronary artery serving as the cathode. As the indifferent anode, an additional standard floppy tip guidewire was advanced into the proximal part of the same coronary vessel. The efficacy of double guidewire transcoronary pacing was assessed by measurement of threshold and impedance data and the magnitude of the epicardial electrogram compared with unipolar transcoronary pacing using a standard cutaneous patch electrode as indifferent anode.
resultsTranscoronary pacing was effective in all cases. Pacing thresholds obtained with the double guidewire technique (1.5 ± 0.9 V) were similar to those obtained by standard unipolar transcoronary pacing with a cutaneous patch electrode (1.2 ± 0.7 V) and unipolar transvenous pacing against the same cutaneous patch electrode (1.5 ± 1.0 V). Bipolar transvenous pacing yielded the lowest pacing threshold at 0.8 ± 0.4 V.
conclusionsTranscoronary pacing in the animal model with the novel "double guidewire approach" is a simple and effective pacing technique with comparable pacing thresholds obtained by standard unipolar transcoronary and transvenous pacing.
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