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  • Title: Mitral Annular Disjunction-A New Disease Spectrum.
    Author: Tani T, Konda T, Kitai T, Ota M, Furukawa Y.
    Journal: Cardiol Clin; 2021 May; 39(2):289-294. PubMed ID: 33894942.
    Abstract:
    Mitral annular disjunction is a structural abnormality of the mitral annulus fibrosus, which has been described by pathologists to be associated with mitral leaflet prolapse. Mitral annular disjunction is a common finding in patients with myxomatous mitral valve diseases. The prevalence of mitral annular disjunction should be checked routinely during presurgical imaging. Otherwise, mitral annular disjunction itself might be an arrhythmogenic entity, irrespective of the presence of mitral valve prolapse (MVP). Therefore, we should check echocardiography keeping in mind mitral annular disjunction. Further prospective studies are needed to address whether a causative mechanistic link exists between mitral annular disjunction and arrhythmic MVP.
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