Key result
Double mitral valve orifice with AV canal usually requires no surgical correction.
Why the study?
Double mitral valve orifice is frequently associated with atrioventricular canal and its embryology is complicated and not fully clarified.
Case Report (n=1)
Double mitral valve orifice is frequently associated with atrioventricular canal, is usually subclinical, and may not require surgical correction depending on associated anomalies.
May not require correction if subclinical; leaves open optimal intervention thresholds in atrioventricular canal defects.
A case of double mitral valve orifice associated with atrioventricular canal was found at operation. These two anomalies are frequently associated. Double mitral valve is usually subclinical and does not necessarily need to be corrected, depending on the associated anomalies, the extent of the defect, and the personal experience of the surgeon. The embryology of double mitral valve is complicated and still needs to be clarified.
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Ancalmo et al. (1977) conducted a case report in Double mitral valve orifice associated with atrioventricular canal (n=1). Double mitral valve orifice was evaluated. A case of double mitral valve orifice associated with atrioventricular canal was found at operation, highlighting that this usually subclinical anomaly does not necessarily require correction.
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