To the Editor: The editorial by Murgo (Oct. 14 issue)* is clearly one-sided. I am distressed by its potential impact on the important role of surgical myectomy in treating severely symptomatic patients with “obstructive” disease. There is a large body of evidence and sizable experience in centers all over the world concerning the profound effects of surgery not only in amelioration and relief of symptoms but also in terms of objective measures, such as intraventricular pressure gradients, degree of mitral regurgitation, and disappearance of systolic anterior motion of the mitral valve. I have known patients with severe symptomatic and.
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