Cardiologists can predict the risk of malignant arrhythmias and sudden cardiac death in patients who have previously suffered a heart attack through the analysis of the scars produced after it, according to a study by the Quirónsalud Teknon Heart Institute.
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The study, Led by Dr. Antonio Berruezo, states that this finding “will allow patients to better stratify risk” and will serve to “identify those patients who are candidates for having an automatic defibrillator implanted”.
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According to the Spanish medical center Teknon, until now the main parameter used to evaluate these patients was an analysis of the left ventricle, which estimates the capacity of pumping, but this new study shows that “the characterization of the scars produced by the heart attack may be a better indicator”.
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This new method describes the mass of surviving cells in the scar “non-invasively”, by means of an MRI, according to those responsible of the study.
The arrhythmias that cause sudden death after having suffered a heart attack originate, for the most part, in the cell channels of the scars and, therefore, “identify the patients who have scars with more channels, it could help identify who is at higher risk of sudden death.”
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