Long QT syndrome and torsades de pointes complicating mitral valve replacement

Severe QT interval prolongation >500 ms occurs in one quarter of cardiac surgical patients in the perioperative period while moderate prolongation occurs in most of them. Prolonged QT interval may be associated with torsades de pointes and lead to sudden cardiac death. Because of the high inciden...

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Detalles Bibliográficos
Autores principales: Gilbert, Shegu, Singh, Devender, Jesuraj, M. Lawrance
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2016
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5067385/
https://www.ncbi.nlm.nih.gov/pubmed/27751291
http://dx.doi.org/10.1016/j.ihj.2015.07.015
Descripción
Sumario:Severe QT interval prolongation >500 ms occurs in one quarter of cardiac surgical patients in the perioperative period while moderate prolongation occurs in most of them. Prolonged QT interval may be associated with torsades de pointes and lead to sudden cardiac death. Because of the high incidence of prolonged QT in cardiac surgery patients and its perioperative adverse outcomes, it is vital to identify it early and take necessary precautions. We report and discuss the catastrophic events and management of two patients with long QT syndrome complicating mitral valve replacement.

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