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Published Online First: 11 March 2009. doi:10.1136/hrt.2008.160705
Heart 2009;95:695-696
Copyright © 2009 BMJ Publishing Group Ltd & British Cardiovascular Society

EDITORIALS

Implantable defibrillators in hypertrophic cardiomyopathy

Andrew Grace1,2

1 Department of Cardiology, Papworth Hospital, Cambridge, UK
2 Division of Cardiovascular Biology, School of Biological Sciences, University of Cambridge, Cambridge, UK

Dr Andrew Grace, Papworth Hospital and University of Cambridge, Cambridge CB23 3RE, UK; ag@bioc.cam.ac.uk

The first 150 words of the full text of this article appear below.

The implantable defibrillator (ICD) is one of the transformational technologies defining contemporary procedural cardiology. Advances in all aspects of device design have facilitated implantation and the detection, discrimination and correction of rhythms that otherwise can result in death.1 2 However, as with most advanced technologies, initial enthusiasm is tempered by experience, which in the case of ICDs has highlighted the leads as a major source of mischief.3 As emphasised in numerous articles, these highly engineered components, while generally withstanding the battering of the intravascular environment, can on occasion fail.4 Lead design has evolved, but failure with potential consequences of inappropriate shocks, the need for revision and possible death have softened the enthusiasm of referrers. The upside is that ICDs are extremely effective and provide almost complete protection against sudden cardiac death (SCD). The difficulties remain in balancing the benefits weighed in relation to the largely technical but very real potential risks . . . [Full text of this article]


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Device complications and inappropriate implantable cardioverter defibrillator shocks in patients with hypertrophic cardiomyopathy
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