Non-ischemic scar underlines ventricular arrhythmias in Kearns-Sayre syndrome
Kearns-Sayre syndrome (KSS) is a rare mitochondrial disease in which cardiac involvement has been associated with poor prognosis. Although the most common clinical manifestation is progressive conduction system impairment, patients can suffer from ventricular arrhythmias. Yet, they show a high prevalence of sudden cardiac death, whose etiopathological mechanism is not completely understood. Cardiac magnetic resonance is a rising tool to detect subclinical heart involvement in many heart diseases and was recently able to detect nonischemic scar, which is an arrhythmogenic substrate, in patients affected by KSS.
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Copyright (c) 2019 Stefano Figliozzi, Alessandro Zorzi, Martina Perazzolo Marra, Alessandro Ruocco, Sabino Iliceto, Domenico Corrado, Chiara Calore
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