Key result
Dynamic cardiomyoplasty improves symptoms in class III heart failure but fails to show survival benefit.
Why the study?
Dynamic cardiomyoplasty is a promising new technique for NYHA class III heart failure, but its mechanism of action, objective improvement in left ventricular systolic performance, and potential survival advantage remain to be further defined.
Does dynamic cardiomyoplasty improve symptoms in patients with NYHA class III heart failure?
Does dynamic cardiomyoplasty improve symptoms in patients with NYHA class III heart failure?
Dynamic cardiomyoplasty is a promising technique for symptomatic improvement in NYHA class III heart failure, though definitive evidence from RCTs is awaited.
May support symptomatic benefit in NYHA III heart failure; leaves open confirmation by ongoing randomized trials.
Dynamic cardiomyoplasty is a promising new technique that appears to effect symptomatic improvement in patients with NYHA class III heart failure. Objective improvement in systolic performance of the left ventricle appears small but remains to be further defined. No survival advantage has yet been realized, although this may be seen as the technique is further refined and operative risk curtailed. Mechanism of action may include a girdling effect that prevents progressive left ventricular dilatation. This effect may be independent of any role in augmenting systolic performance. Randomized clinical trials currently in progress will provide definitive answers within the next few years to these important questions.
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Letsou et al. (1995) conducted a review in NYHA class III heart failure. Dynamic cardiomyoplasty was evaluated on Symptomatic improvement, left ventricular systolic performance, and survival. Dynamic cardiomyoplasty provides symptomatic improvement in NYHA class III heart failure, though objective LV systolic improvements remain small and no survival advantage has yet been realized.
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