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Failure of Chronically Implanted Defibrillator Leads -Incidence and Management

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University Hospital Basel

Status

Completed

Conditions

Ventricular Fibrillation
Death, Sudden, Cardiac

Study type

Observational

Funder types

Other

Identifiers

Details and patient eligibility

About

Comparison of two different approaches to address the problem of malfunctioning ICD-leads. These leads consist of two parts. One that is used for detection of arrhythmias(and pacing if required) (Pace/Sense) and a second part that is used to deliver therapy is needed (Shock-coil).

The two approaches compared are:

Replacement of the entire lead in case of any lead malfunction versus placement of an additional pace/sense-lead if the shock-coil of the exiting lead was still functional.

Full description

Therapy with an implantable cardioverter defibrillator (ICD) has become a standard treatment for an increasing number of patients suffering from different types of heart diseases which can lead to fatal arrhythmias. This therapy was established about 20 Years ago and malfunctioning electrodes of these devices have been, and still are a serious problem leading to inappropriate therapy (shocks)or missed live saving therapy.

In case of a malfunctioning electrode it is established clinical practice to either replace the entire ICD electrode (which is used for detecting the arrhythmias as well as delivering the shock) or just to implant an additional electrode for detection of the arrhythmia (and pacing if required) given that the "shock"-part of the existing electrode is still functional.

There is no longterm outcome data comparing these two strategies. We included 1317 consecutive patients with an ICD implanted at three European centers between 1993 and 2004. Incidence of lead failure, type of lead used, approach and outcome were evaluated.

Enrollment

1,317 patients

Sex

All

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Implantation of an ICD between 1993 and 2004

Exclusion criteria

  • None

Trial design

1,317 participants in 3 patient groups

1
Description:
Total number of patients receiving an ICD between 1993 and 2004 and not having re interventions due to malfunctioning leads.
2
Description:
Patients with ICD lead failure receiving a new ICD lead
3
Description:
Patients with ICD lead failure but intact shock-coil of the ICD lead receiving only an additional pace/sense lead.

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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