Highlighting cardiovascular manifestations of kleefstra syndrome: literature review and clinical insights.

Abstract excerpt

Kleefstra syndrome (KLEFS1) is a rare genetic disorder primarily caused by the deletion of the chromosome 9q34.3 genomic segment or pathogenic mutations in the euchromatin histone methyltransferase 1 (EHMT1) gene. It is characterized by intellectual disability or impairment, childhood hypotonia, and distinct facial features. Notably, cardiovascular defects especially congenital heart diseases also represent a...

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