Appetite suppressants and valvular heart disease.

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Weissman NJ

Appetite suppressants and valvular heart disease.

Am J Med Sci. 2001 Apr;321(4):285-91.

PubMed ID
11307869 [ View in PubMed
]
Abstract

The association between valvular heart disease and diet pills was discovered several years ago in a small cohort of patients. Subsequent uncontrolled surveys and reports suggested a prevalence of cardiac abnormalities as high as 30%. These results led to widespread concern by millions of appetite suppressant users and the withdrawal of both fenfluramine and dexfenfluramine from the market. Through this review of the literature, it becomes apparent that we have better defined the association between valvular heart disease and appetite suppressants; nonetheless, many questions and controversies remain. Most large scale, multicenter, controlled studies have shown that a prevalence of significant valve regurgitation is between 2 and 12% and that the likelihood of disease increases with increasing dose and/or duration of appetite suppressant use, but several other issues, such as the mechanism of action, remain unanswered.

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