Korean Circ J.  2013 May;43(5):336-339. 10.4070/kcj.2013.43.5.336.

A Case of Riata(R) Dual Coil Defibrillator Lead Failure in a Patient with Ventricular Fibrillation

• Choi K
• Kim JH
• Kim HJ
• Lee SO
• Jang EY
• Kim JS

• KMID: 2224929
• DOI: http://doi.org/10.4070/kcj.2013.43.5.336

Abstract

A 50-year-old man, who underwent a procedure for an implantable cardioverter defibrillator (ICD), visited the outpatient department of our clinic after suffering multiple ICD shocks. The ICD interrogation revealed recurrent shock due to a high frequency of noise that is sensed by the device as ventricular fibrillation. Chest radiography revealed a significant split in the insulation of the lead allowing the inner wire to protrude. We considered the removal of the failed lead, but the removal of ICD lead is potentially a high risk procedure, so we cut and capped a proximal part of the failed lead and inserted a new lead. This is the first report of a St. Jude Riata(R) dual coil defibrillator lead failure with clinical and radiologic evidence of a defect in lead insulation in Korea.

Keyword

Implantable cardioverter-defibrillators; Noise; Equipment failure

MeSH Terms

Defibrillators
Defibrillators, Implantable
Equipment Failure
Humans
Korea
Noise
Outpatients
Shock
Stress, Psychological
Thorax
Ventricular Fibrillation

Figure

• 

  Fig. 1 Chest radiography two weeks later after implantable cardioverter defibrillator implantation.

• 

  Fig. 2 Multiple noise sensing is marked as 'F's.

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  Fig. 3 A: chest radiography 3.5 years later after ICD implantation. An arrow indicates the defect of ICD lead. B: a significant outer insulation defect of ICD lead, allowing the inner wire to protrude, was noted. A magnified view of defected lead is shown. ICD: implantable cardioverter defibrillator.

• 

  Fig. 4 We cut and capped proximal part of failed lead and inserted new lead.

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