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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-11837

Schefer, T; Wolber, T; Binggeli, C; Holzmeister, J; Brunckhorst, C; Duru, F (2008). Long-term predictors of mortality in ICD patients with non-ischaemic cardiac disease: impact of renal function. Europace, 10(9):1052-1059.

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BACKGROUND: Randomized trials have demonstrated that implantable cardioverter defibrillator (ICD) therapy may reduce the risk of death in patients with non-ischaemic cardiomyopathy (CMP). In this study, we aimed at determining the long-term benefit of ICD therapy among patients with dilated CMP (DCM) and among those with other non-ischaemic cardiac diseases (NICDs). METHODS AND RESULTS: We performed a single-centre longitudinal study to assess the outcomes of 176 patients with NICDs who were implanted with an ICD for primary or secondary prevention of cardiac death. The cumulative survival rate after 1, 2, 5, and 10 years was 91, 87, 78, and 65%, respectively. Mortality risk did not differ significantly between patients with DCM and those with other NICDs. Atrial fibrillation, recurrent ventricular arrhythmias requiring ICD therapy, and right ventricular pacing, but not delayed intrinsic ventricular conduction, were associated with higher risk. New York Heart Association (NYHA) functional class > or =III was an independent predictor of adverse outcome among patients with DCM [hazard ratio (HR) 5.27, P = 0.01], whereas reduced left ventricular function with ejection fraction <35% (HR 12.1, P < 0.001) and anti-arrhythmic drug use (HR 4.82, P = 0.03) were independent predictors among those with other NICDs. Renal insufficiency with estimated glomerular filtration rate <60 mL/min/1.73 m(2) (HR 5.9, P < 0.001) was a strong independent predictor of mortality among all patients with NICD, irrespective of underlying cardiac condition. CONCLUSION: In ICD patients with DCM, higher NYHA functional class is associated with adverse outcomes. Impaired left ventricular function and anti-arrhythmic drug use predict higher mortality among patients with non-dilated, NICDs. Impaired renal function is a strong predictor of mortality in all patients with NICD.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Date:1 September 2008
Deposited On:28 Jan 2009 09:27
Last Modified:05 Apr 2016 12:55
Publisher:Oxford University Press
Additional Information:This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Europace. The definitive publisher-authenticated version at http://europace.oxfordjournals.org/cgi/content/abstract/eun186
Publisher DOI:10.1093/europace/eun186
PubMed ID:18687703

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