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Arch Mal Coeur Vaiss. 1990 Apr;83(4):537-42.

[Progression from hypertrophic obstructive cardiomyopathy to dilated cardiomyopathy. Apropos of 4 cases].

[Article in French]

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  • 1Service de cardiologie, hôpital Boucicaut, Paris.


Four cases of hypertrophic obstructive cardiomyopathy diagnosed on clinical, phonomechanographic, echocardiographic and haemodynamic criteria progressing to dilated cardiomyopathy are reported. This evolution was observed over a number of years (up to 20 years) and was accompanied by a clinical aggravation in all cases with 2 deaths and atrial fibrillation in 3 of the 4 cases. The signs of intraventricular obstruction [systolic murmur, bulge on the carotid pulse tracing, systolic anterior motion of the mitral valve (SAM) and intraventricular pressure gradient] disappeared as the left heart chambers dilated with a reduction in ventricular wall motion and parietal thinning but no change in myocardial mass.

[PubMed - indexed for MEDLINE]
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