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01-08-2011 | Original Article | Uitgave 7-8/2011

Netherlands Heart Journal 7-8/2011

Failure of epicardial pacing leads in congenital heart disease: not uncommon and difficult to predict

Tijdschrift:
Netherlands Heart Journal > Uitgave 7-8/2011
Auteurs:
M. C. Post, W. Budts, A. Van de Bruaene, R. Willems, B. Meyns, F. Rega, M. Gewillig

Abstract

Aims

We evaluate the incidence of epicardial lead failure and try to identify risk factors in patients with congenital heart disease.

Methods

All patients with a congenital heart defect and an epicardial pacing system, implanted within a timeframe of 25 years, were included in this study. Patients’ medical records and lead data were reviewed. Lead failure was defined as the primary endpoint.

Results

In total 198 active epicardial leads (atrial 40, ventricular 158) were implanted in 93 patients (median age at implantation 4.4 years (range 0–58.6)). During a total follow-up of 1235 lead-years, 29 lead failures (14.6%, 4 atrial, 25 ventricular) were documented in 22 patients (23.7%). Lead failure occurred at a median time period of 4.8 years (range 1.2–24.1) after implantation. Five-year freedom of lead failure was 88%. The only independent predictor for lead failure was the age at implantation (HR 0.44; 95%CI 0.20–0.97, p = 0.04), other characteristics failed to predict lead failure. Sudden cardiac death occurred in four patients (4.3%), in one a lead failure was documented.

Conclusion

A high incidence of epicardial lead failures is found in patients with congenital heart disease. Unfortunately, it is difficult to predict this potentially life-threatening complication.

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Netherlands Heart Journal

Het Netherlands Heart Journal wordt uitgegeven in samenwerking met de Nederlandse Vereniging voor Cardiologie en de Nederlandse Hartstichting. Het tijdschrift is Engelstalig en wordt gratis beschikbaa ...

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