Key result
Benfluorex-induced valvular heart disease can progress to extensive mitral annular calcification and caseous necrosis.
Why the study?
Drug-induced valvular heart disease is associated with specific pathology features, but its clinical presentations vary broadly and can make diagnosis challenging.
Case Report (n=2)
No
Answers are grounded in this paper and cite their sources.
History of benfluorex exposure merits consideration in mitral annular caseous necrosis; leaves open the frequency of late progression after drug-induced disease.
BACKGROUND: Drug-induced valvular heart disease (DI-VHD) is a well-defined condition associated with specific pathology features. However, clinical presentations may broadly vary and thereby make DI-VHD diagnosis more challenging. CASE SUMMARY: We report two patients with a history of benfluorex administration, who developed extensive mitral calcific lesions which evolved towards caseous necrosis. DISCUSSION: Prospective follow-up over several years of these two patients who initially had typical DI-VHD findings provided monitoring evidence of extensive calcifications and subsequent caseous necrosis. These reports suggest a link between calcific heart injury and benfluorex exposure. The diagnosis of DI-VHD may be overlooked at this late stage.
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Leblon et al. (2021) conducted a case report in Drug-induced valvular heart disease (DI-VHD) and caseous necrosis of the mitral annulus (n=2). Benfluorex was evaluated on Progression to extensive mitral annular calcification and caseous necrosis. Benfluorex-induced valvular heart disease progressed over several years to extensive mitral annular calcification and caseous necrosis in 2 female patients.
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