期刊
JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
卷 75, 期 21, 页码 2698-2707出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jacc.2020.04.004
关键词
cardiomyopathies; channelopathies; hypertrophic cardiomyopathy; genetic testing; long QT syndrome; registry; resuscitated sudden cardiac arrest
资金
- Cure Kids
BACKGROUND The relative proportion of each cardiac inherited disease (CID) causing resuscitated sudden cardiac arrest (RSCA) on a population basis is unknown. OBJECTIVES This study describes the profile of patients with CIDs presenting with RSCA; their data were collected by the national Cardiac Inherited Diseases Registry New Zealand (CIDRNZ). METHODS Data were collated from CIDRNZ probands presenting with RSCA (2002 to 2018). RESULTS CID was identified in 115 (51%) of 225 RSCA cases: long QT syndrome (LQTS) (n = 48 [42%]), hypertrophic cardiomyopathy (HCM) (n = 28 [24%]), Brugada syndrome (BrS) (n = 16 [14%]), catecholaminergic polymorphic ventricular tachycardia (CPVT) (n = 9 [8%]), arrhythmogenic right ventricular cardiomyopathy (ARVC) (n = 9 [8%]), and dilated cardiomyopathy (n = 5 [4%]). Seventy-one (62%) of 115 were male. Of 725 probands from the CIDRNZ with CID, the proportion presenting with RSCA was: CPVT, 9 (53%) of 17; BrS, 16 (33%) of 49; ARVC, 9 (25%) of 36; LQTS, 48 (20%) of 238; dilated cardiomyopathy, 5 (9%) of 58; and HCM, 28 (8%) of 354. Incident activity was: normal everyday activities, 44 (40%); exercising, 33 (30%); concurrent illness, 13 (12%); sleeping, 10 (9%); drugs/medication, 9 (8%); and emotion, 2 (2%). LQTS and CPVT predominated in those <24 years of age, 30 (77%) of 39; cardiomyopathies and BrS predominated in those >24 years of age, 49 (64%) of 76. For those >40 years of age, HCM was the most common (33%) CID. A genetic diagnosis in patients with CID was made in 48 (49%) of 98 tested. Diagnosis by age range was as follows: age 1 to 14 years, 78%; age 15 to 24 years, 53%; age 25 to 39 years, 54%; and age >40 years, 26%. CONCLUSIONS The commonest CID identified after RSCA was LQTS; the most common CID cause of RSCA for those >40 years of age was HCM. CPVT was the CID most likely to present with RSCA and HCM the least. Genetic yield decreases with age. Only one-third of RSCA cases due to CID occurred while exercising. (C) 2020 by the American College of Cardiology Foundation.
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