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Backup right ventricular pacing with a 0.035'' guidewire during implantation of left ventricular leads

Publié dansPacing and clinical electrophysiology, vol. 32 Suppl 1, p. S12-15
Date de publication2009
Résumé

INTRODUCTION: During implantation of biventricular devices, manipulation of the guiding sheath during localization of the coronary sinus (CS) ostium may result in injury to the right bundle and complete heart block. A preventive measure is to implant the right ventricular (RV) lead first, though this may interfere with manipulation of the guiding sheath and dislodge the permanent lead. We tested the feasibility of backup pacing with a 0.035'' guidewire, advanced through the guiding sheath during CS localization. METHODS: One hundred six consecutive patients (mean age = 70 +/- 11 years, 81 men) undergoing biventricular device implantation were studied. A 0.035'' guidewire with an uncoated tip was advanced into the right ventricle through the guiding sheath, and unipolar capture threshold, R-wave sensing amplitude, and pacing impedance were measured. RESULTS: RV pacing was successful in all patients. The mean capture threshold was 3.8 +/- 2.1 V/0.5 ms, R-wave amplitude 5.4 +/- 4.3 mV, and pacing impedance 226 +/- 78 Omega. No arrhythmia was observed during the tests. Two patients developed complete heart block during the implant procedure and were successfully paced temporarily using the 0.035'' guidewire. CONCLUSION: Temporary RV pacing, using a 0.035'' guidewire within the guiding sheath, is a simple, reliable, and safe method that allows backup pacing in case of traumatic complete heart block, developing during the implantation of biventricular devices.

Mots-clés
  • Aged
  • Electrodes, Implanted/*adverse effects
  • Female
  • Heart Block/etiology/*prevention & control
  • Heart Ventricles/*surgery
  • Humans
  • Male
  • Pacemaker, Artificial/*adverse effects
  • Prosthesis Implantation/*adverse effects/*instrumentation
  • Treatment Outcome
Citation (format ISO)
BURRI, Haran Kumar et al. Backup right ventricular pacing with a 0.035″ guidewire during implantation of left ventricular leads. In: Pacing and clinical electrophysiology, 2009, vol. 32 Suppl 1, p. S12–15. doi: 10.1111/j.1540-8159.2008.02220.x
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ISSN du journal0147-8389
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Création23.04.2012 13:23:07
Première validation23.04.2012 13:23:07
Heure de mise à jour14.03.2023 17:24:22
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