Abstract
BackgroundDouble-orifice mitral valve is an extremely rare cardiac anomaly possibly originating from insufficient endocardial fusion in embryogenesis. Severe concomitant cardiac anomalies and malfunction of the valve usually lead to an early diagnosis in childhood. Therefore the prevalence of isolated double-orifice mitral valve in adulthood is not known.Case presentationWe present the case of a 63 years old, female Caucasian patient with isolated double-orifice mitral valve diagnosed in routine echocardiographic evaluation after chemotherapy presenting without clinical symptoms.ConclusionTrans-thoracic echocardiography is a suitable modality to diagnose and further assess anatomical and functional properties of the anomaly. In the presence of double-orifice mitral valve concomitant cardiac anomalies and valvular stenosis or regurgitation must be excluded. If an isolated double-orifice mitral valve with no functional abnormalities is present, no further follow-up is necessary.Electronic supplementary materialThe online version of this article (doi:10.1186/s12872-015-0168-0) contains supplementary material, which is available to authorized users.
Highlights
Double-orifice mitral valve is an extremely rare cardiac anomaly possibly originating from insufficient endocardial fusion in embryogenesis
Because of the associated anomalies, double-orifice mitral valve (DOMV) is usually detected in early childhood but is an exceedingly rare diagnosis in adults, and the incidence and prognostic relevance of an isolated DOMV detected in adulthood is unknown
Our case demonstrates a rare case of isolated DOMV without apparent clinical implications diagnosed very late at 63 years of age, underlining the need for comprehensive and accurate trans-thoracic echocardiography (TTE) in patients referred for “routine” exams
Summary
Trans-thoracic echocardiography is a suitable modality to diagnose and further assess anatomical and functional properties of the anomaly. In the presence of double-orifice mitral valve concomitant cardiac anomalies and valvular stenosis or regurgitation must be excluded. If an isolated double-orifice mitral valve with no functional abnormalities is present, no further follow-up is necessary
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