Basic and Clinical Insights in Catecholaminergic (Familial) Polymorphic Ventricular Tachycardia



Título del documento: Basic and Clinical Insights in Catecholaminergic (Familial) Polymorphic Ventricular Tachycardia
Revista: Revista de investigación clínica
Base de datos: PERIÓDICA
Número de sistema: 000454157
ISSN: 0034-8376
Autores: 1
2
3
4
5
Instituciones: 1Instituto Nacional de Cardiología Ignacio Chávez, Departamento de Electrocardiología, Ciudad de México. México
2Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Ciudad de México. México
3Instituto Politécnico Nacional, Centro de Investigación y de Estudios Avanzados, Ciudad de México. México
4Benemérita Universidad Autónoma de Puebla, Instituto de Fisiología, Puebla. México
5Hospital de Alta Especialidad del Bajío, Departamento de Electrofisiología, León, Guanajuato. México
Año:
Periodo: Jul-Ago
Volumen: 71
Número: 4
Paginación: 226-236
País: México
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Analítico, descriptivo
Resumen en inglés Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a potentially lethal disease, whose characteristic ventricular tachycardias are adrenergic-dependent. Although rare, CPVT should be considered in the differential diagnosis of young individuals with exercise-induced syncope. Mutations in five different genes (RYR2, CASQ2, CALM1, TRDN, and TECRL) are associated with the CPVT phenotype, although RYR2 missense mutations are implicated in up to 60 % of all CPVT cases. Genetic testing has an essential role in the diagnosis, management, pre-symptomatic diagnosis, counseling, and treatment of the proband; furthermore, genetic information can be useful for offspring and relatives. By expert consensus, CPVT gene testing is a Class I recommendation for patients with suspected CPVT. Beta-adrenergic and calcium-channel blockers are the cornerstones of treatment due to the catecholaminergic dependence of the arrhythmias. Unresponsive patients are treated with an implantable cardioverter-defibrillator to reduce the risk of sudden cardiac death. In the present article, a brief review of the genetic and molecular mechanisms of this intriguing disease is provided
Disciplinas: Medicina
Palabras clave: Sistema cardiovascular,
Muerte súbita cardiaca,
Síncope,
Taquicardia ventricular polimórfica catecolaminérgica,
Pruebas genéticas,
Beta bloqueadores,
Canales de calcio
Keyword: Cardiovascular system,
Sudden cardiac death,
Syncope,
Catecholaminergic polymorphic ventricular tachycardia,
Genetic tests,
Beta blockers,
Calcium channels
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