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[Aortic subvalvular stenosis caused by accessory mitral tissue].

J Losay, J P Binet, J D Piot

    Archives Des Maladies Du Coeur Et Des Vaisseaux
    |May 1, 1985
    PubMed
    Summary
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    Accessory mitral tissue can cause subaortic stenosis in children. Accurate diagnosis before surgery is crucial for successful treatment through resection, leading to a definitive cure.

    Area of Science:

    • Cardiology
    • Pediatric Surgery
    • Congenital Heart Disease

    Context:

    • Subaortic stenosis is a significant cause of left ventricular outflow tract obstruction in children.
    • Accessory mitral valve tissue is a rare but important etiology of subaortic stenosis.
    • Accurate preoperative diagnosis is essential for effective surgical management.

    Purpose:

    • To present three cases of subaortic stenosis caused by accessory mitral tissue.
    • To highlight the diagnostic utility of 2D echocardiography and cineangiography.
    • To emphasize the importance of accurate preoperative diagnosis for successful surgical outcomes.

    Summary:

    • Three pediatric cases of subaortic stenosis secondary to accessory mitral tissue are detailed.
    • Diagnosis was accurately established preoperatively using 2D echocardiography and cineangiography.

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  • Surgical resection of the accessory mitral tissue via aortotomy yielded excellent results in all cases.

    • Impact:

    • Accurate preoperative diagnosis of accessory mitral tissue causing subaortic stenosis is critical.
    • Failure to identify the cause preoperatively can lead to surgical complications.
    • Simple resection of accessory mitral tissue offers a complete and definitive cure for this condition.