Azygos vein lead implantation: A novel adjunctive technique for implantable cardioverter defibrillator placement

David Cesario, Mandeep Bhargava, Miguel Valderrábano, Gregg C. Fonarow, Bruce Wilkoff, Kalyanam Shivkumar

Research output: Contribution to journalArticle

44 Scopus citations

Abstract

High defibrillation thresholds (DFTs) occasionally are encountered during placement of implantable cardioverter defibrillators (ICDs). There are multiple strategies to lower DFTs in such patients, including reassessment of right ventricular lead position, alteration of the shock waveform, and implantation of subcutaneous arrays. This article describes a novel technique of implanting a high-voltage lead in the azygos vein. This procedure may serve as an adjunctive approach to reduce DFTs. The anatomic location of the azygos vein posterior to the heart provides a suitable shocking vector between the right ventricular electrode, a high-voltage lead placed in the azygos vein, and the ICD can.

Original languageEnglish (US)
Pages (from-to)780-783
Number of pages4
JournalJournal of Cardiovascular Electrophysiology
Volume15
Issue number7
DOIs
StatePublished - Jul 1 2004

Keywords

  • Azygos vein
  • Defibrillation threshold
  • Implantable cardioverter defibrillator

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology

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