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Cardiogenetic screening of first-degree relatives after sudden cardiac death in the young: a population-based approach.
MedLine Citation:
PMID:  21227947     Owner:  NLM     Status:  Publisher    
Aims To investigate the yield of cardiogenetic screening of relatives of young sudden cardiac death (SCD) and sudden unexplained death (SUD) victims in a population-based setting. Methods and results A population-based study was carried out between 2000 and 2006. Records of the hospital, death declaration certificates, and resuscitation records were reviewed for SCD and SUD cases (1-40 years). Information on autopsy results and cardiogenetic screening of the victims' first-degree relatives was collected. Relatives were invited for additional cardiogenetic screening when this had not yet been performed. The search led to 16 cases of SCD/SUD and 4 cases of aborted SCD/SUD. Causes of SCD/SUD were myocardial infarction (n = 3), arrhythmogenic right ventricular cardiomyopathy (ARVC) (n = 2), long-QT syndrome (n = 1), hypertrophic cardiomyopathy (n = 2), left ventricular hypertrophy due to aortic stenosis (n = 1), and unknown cause of death (n = 7). Causes of aborted SCD/SUD were myocardial infarction (n = 2), idiopatic ventricular fibrillation (n = 1), and the Brugada syndrome (n = 1). The cardiogenetic screening of 37 relatives of 12 victims led to a diagnosis of Brugada syndrome in 3 relatives and the suspicion of ARVC in 2 relatives. The yield of screening of these relatives was 14% (95% confidence interval: 3-25%). Conclusion In the usual care, relatives of (aborted) SCD and SUD victims are often not referred for cardiogenetic screening. Screening is often not performed according to a systematic approach, and the detection rate of inherited diseases in relatives of (aborted) SCD and SUD victims in a population-based setting, although substantial, is lower than expected based on previous studies.
Anneke Hendrix; C Jan Willem Borleffs; Aryan Vink; Pieter A F M Doevendans; Arthur A Wilde; Irene M van Langen; Jasper J van der Smagt; Michiel L Bots; Arend Mosterd
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-11
Journal Detail:
Title:  Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology     Volume:  -     ISSN:  1532-2092     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883649     Medline TA:  Europace     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands.
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