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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-20323

Steffel, J; Kobza, R; Namdar, M; Wolber, T; Brunckhorst, C; Lüscher, T F; Jenni, R; Duru, F (2009). Electrophysiological findings in patients with isolated left ventricular non-compaction. Europace, 11(9):1193-1200.

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Abstract

AIMS: Patients with isolated left ventricular non-compaction (IVNC) are at high risk for developing ventricular tachyarrhythmias. However, no analysis of invasive electrophysiological (EP) findings in these patients has yet been performed. METHODS AND RESULTS: We performed a retrospective analysis of EP findings in 24 patients with IVNC. Ventricular tachyarrhythmias were inducible in nine patients; of these, two patients had sustained monomorphic ventricular tachycardia (VT) and two patients had ventricular fibrillation. No specific electrocardiographic or echocardiographic finding was predictive of VT inducibility. Three of the 9 patients with inducible VT experienced ventricular tachyarrhythmias during the follow-up of 61.4+/-50 months, whereas no tachyarrhythmias or sudden deaths were noted in 12 patients without inducible VT during the follow-up of 30+/-19 months (3 patients in the latter group were lost to follow-up). Supraventricular tachyarrhythmias were inducible in seven patients. CONCLUSION: Our present study provides the first comprehensive analysis of EP findings in patients with IVNC. Ventricular and supraventricular arrhythmias can readily be induced in these patients, whereas the inducibility of a sustained monomorphic VT is relatively low. Further studies including long-term follow-up are required to investigate the role of EP testing for arrhythmic risk stratification in these patients.

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19 citations in Web of Science®
23 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology
DDC:610 Medicine & health
Language:English
Date:9 July 2009
Deposited On:25 Aug 2009 09:45
Last Modified:28 Nov 2013 01:53
Publisher:Oxford University Press
ISSN:1099-5129
Additional Information:This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Europace following peer review. The definitive publisher-authenticated version Electrophysiological findings in patients with isolated left ventricular non-compaction is available online at: http://europace.oxfordjournals.org/cgi/content/abstract/eup187v1
Publisher DOI:10.1093/europace/eup187
PubMed ID:19589795

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