Human Genetics of Ebstein Anomaly.

Area of Science:

• Cardiology
• Congenital Heart Disease
• Pediatric Cardiology

Background:

• Ebstein anomaly (EA) is a rare congenital cardiac defect affecting the tricuspid valve.
• It occurs with a birth prevalence of 0.5 to 1 in 20,000 live births.
• EA is characterized by the displacement of the septal and posterior leaflets of the tricuspid valve toward the apex of the right ventricle (RV) and atrialization of the RV.

Purpose of the Study:

• To provide a comprehensive overview of Ebstein anomaly.
• To describe the anatomical characteristics and clinical spectrum of EA.
• To highlight the variability in patient presentation based on defect severity.

Main Methods:

• Literature review and synthesis of existing data on Ebstein anomaly.
• Analysis of epidemiological data regarding prevalence.
• Description of the echocardiographic and anatomical features.

Main Results:

• Ebstein anomaly accounts for approximately 0.5% of all congenital heart diseases (CHD).
• The condition exhibits significant heterogeneity, leading to a wide spectrum of clinical manifestations.
• Patients can present with severe symptoms like heart failure and arrhythmia in infancy or remain asymptomatic into adulthood.

Conclusions:

• Ebstein anomaly is a complex congenital heart defect with diverse clinical outcomes.
• Understanding the anatomical variations and clinical heterogeneity is crucial for patient management.
• Early diagnosis and tailored treatment strategies are essential for improving patient prognosis.