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November 7, 2007

Prognosis of Apical Hypertrophic Cardiomyopathy

Author Affiliations

Letters Section Editor: Robert M. Golub, MD, Senior Editor.

JAMA. 2007;298(17):2006. doi:10.1001/jama.298.17.2006-a

To the Editor: Dr Maron and colleagues1 described the data from a multicenter registry collected on more than 500 patients with hypertrophic cardiomyopathy (HCM) who had received an implantable cardioverter-defibrillator for secondary or primary prevention of sudden death. According to that article, patients were diagnosed with HCM based on 2-dimensional echocardiographic evidence of a hypertrophied and nondilated left ventricle in the absence of another cardiac or systemic disease that could account for the magnitude of hypertrophy.