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Mitral and aortic valvular disease associated with benfluorex use
Yves Etienne1, Yannick Jobic, Irene Frachon
1Department of Cardiology, Brest University Hospital, Brest, France. yves.etienne@chu-brest.fr
The Journal of Heart Valve Disease
|July 1, 2011
Summary
Benfluorex, a derivative of fenfluramine, may cause toxic valvular lesions. This case report details a patient with mitral and aortic valve disease linked to long-term benfluorex use, suggesting a potential drug-induced cardiac risk.
Area of Science:
- Cardiology
- Pharmacology
- Toxicology
Background:
- Fenfluramine is linked to increased risks of pulmonary hypertension and valvular disease.
- Benfluorex, a fenfluramine derivative, is used for metabolic syndrome and type 2 diabetes.
- Previous reports on benfluorex and valvular disease are limited.
Observation:
- A patient developed mitral and aortic valvular disease after years of benfluorex treatment.
- No other causes for the valvular disease were identified in the patient.
- Echocardiographic and histopathological findings were consistent with toxic valvular lesions.
Findings:
- The patient's valvular disease exhibited characteristics similar to those seen with fenfluramine, pergolide, and cabergolide exposure.
- This case provides further evidence suggesting benfluorex may induce valvular toxicity.
Implications:
- This case highlights a potential association between benfluorex and drug-induced valvular disease.
- Further investigation into the cardiotoxic potential of benfluorex is warranted.
- Clinicians should consider this risk when prescribing benfluorex, especially for long-term use.
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