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Echocardiographic Features of Right Heart Failure in Infancy and Childhood
Thomas G. Di Sessa1, Mubadda A. Salim, Bruce S. Alpert
1777 Washington Avenue, Suite 215, Memphis, TN 39105.
Insights
Right heart failure in children often stems from pulmonary hypertension or surgery. This report details causes and echocardiogram-Doppler methods for evaluating right heart dysfunction.
Area of Science:
- Pediatric Cardiology
- Cardiovascular Surgery
- Echocardiography
Background:
- Right heart failure in pediatric patients is commonly linked to elevated pulmonary artery pressure (pulmonary hypertension).
- It can also arise as a complication following surgical repair of congenital heart defects.
- Understanding the etiology is crucial for timely diagnosis and management.
Purpose of the Study:
- To elucidate the primary causes of right heart dysfunction in pediatric populations.
- To describe the echocardiogram-Doppler techniques essential for assessing right heart failure.
Main Methods:
- Review of existing literature on pediatric right heart failure.
- Description of standard and advanced echocardiographic and Doppler parameters for evaluating right ventricular function and pulmonary pressures.
- Case examples illustrating diagnostic approaches.
Main Results:
- Pulmonary hypertension is the predominant cause of increased right ventricular afterload and subsequent failure.
- Post-cardiac surgery right ventricular dysfunction presents unique challenges in assessment.
- Echocardiography provides comprehensive hemodynamic and functional data.
Conclusions:
- Right heart failure in children has distinct etiologies requiring specific diagnostic considerations.
- Echocardiogram-Doppler is the cornerstone imaging modality for evaluating pediatric right heart failure.
- Accurate assessment guides therapeutic strategies and improves patient outcomes.
Abstract:
In infants and children, right heart failure is most frequently a consequence of increased afterload (pulmonary hypertension). However, it is also observed as a sequela of congenital cardiovascular surgery. The purpose of this report is to present the causes of right heart dysfunction in children and to define the echo-Doppler methods used in the evaluation of right heart failure.