Arq. Bras. Cardiol. 2020; 115(2): 205-206
Which Risk Score Best Assesses Clinical Objectives in Patients with Hypertrophic Cardiomyopathy?
Eduardo Alberto de Castro Roque
This Short Editorial is referred by the Research article "Discrepancy between International Guidelines on the Criteria for Primary Prevention of Sudden Cardiac Death in Hypertrophic Cardiomyopathy".
Hypertrophic cardiomyopathy (HCM) is a genetic disorder characterized by commonly asymmetric unexplained left ventricular hypertrophy, with greater thickening of the basal interventricular septum. Left ventricular outflow tract obstruction is present at rest in around one third of patients and can be caused in another third. The histological features of HCM include hypertrophy and myocyte disorder, in addition to interstitial fibrosis. Hypertrophy is also often associated with left ventricular diastolic dysfunction.
The first case of HCM was described by Henri Liouville in 1869 in the Gazette Medecine Paris. In 1907, Dr. A. Schmincke, a German pathologist, described two hearts with left ventricular hypertrophy; both were seen in women in their fifth decade of life. Levy and von Glahn, in 1944, from the University of Colombia, in New York, published a series of cases that resembled HCM. In 1949, William Evans, a cardiologist from London, described the familial occurrence of cardiac hypertrophy in a series of patients similar to those described in the article by Levy and von Glahn. Dr. Eugene Braunwald and Dr. Andrew Glenn Morrow published a series of studies where they detailed the clinical and hemodynamic aspects of this disease, allowing the establishment of therapeutic objectives. –
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