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Archivos de cardiología de México
versão On-line ISSN 1665-1731versão impressa ISSN 1405-9940
Resumo
GONZALEZ-HERMOSILLO G, J Antonio. Vasovagal syncope: from genetic to bedside. Arch. Cardiol. Méx. [online]. 2007, vol.77, suppl.2, pp.32-36. ISSN 1665-1731.
Recent studies suggest vasovagal syncope has a significant heritable component indicating that, at least some forms of vasovagal syncope may have a genetic cause. The β1 adrenergic receptor is a key cell surface signaling protein expressed in the heart and major determinant of cardiac function. The role of genetics in the phenotypic manifestations of vasovagal syncope is unclear. Here, we report the characteristics of several families with several affected members with vasovagal syncope, as well as the results of several genetic studies exploring the prevalence of polymorphisms in the β1 adrenergic receptors which may be associated with vasovagal syncope.
Palavras-chave : Vasovagal syncope; β1-adrenergic receptor; Family history; Genetics.