Abstract
Sudden cardiac death (SCD) in athletes <35 years of age are mostly due to congenital or acquired cardiac malformations or hypertrophic cardiomyopathy. However, ion channelopathies such as catecholaminergic polymorphic ventricular tachycardia (CPVT) or long-QT syndromes, which are less frequently observed, are also potential pathogenesis of SCD in young athletes. CPVT is an inherited arrhythmia that is induced by physical or emotional stress and may lead to ventricular fibrillation syncope or SCD. Here, we report a case of athlete woman with adult-onset CPVT and aborted SCD who has a novel missense mutation (K4392R) in the cardiac RyR2 gene.
References
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Acknowledgments
The authors thank Naotaka Ohta, Toshiko Shibata, Hiromi Fujiyama, Miyuki Hozan and Akihiro Fujiwara for excellent technical supports. This work was supported by grants from the Ministry of Health, Labor and Welfare of Japan (2010-145); a Grant-in-Aid for Scientific Research on Innovative Areas (22136011 A02, Aiba), a Grant-in-Aid for Scientific Research (C) (24591086 Aiba) from MEXT of Japan, and a Research Grant for Cardiovascular Diseases (H24-033 Shimizu, Aiba) from the Ministry of Health, Labor and Welfare, Japan.
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J. Arakawa, A. Hamabe, T. Aiba and T. Nagai contributed equally to this work.
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Arakawa, J., Hamabe, A., Aiba, T. et al. A novel cardiac ryanodine receptor gene (RyR2) mutation in an athlete with aborted sudden cardiac death: a case of adult-onset catecholaminergic polymorphic ventricular tachycardia. Heart Vessels 30, 835–840 (2015). https://doi.org/10.1007/s00380-014-0555-y
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DOI: https://doi.org/10.1007/s00380-014-0555-y