Abstract
Background Patients with d-transposition of the great arteries (D-TGA), status post atrial switch, are at risk for developing systemic right ventricular (RV) dysfunction. Echocardiographic (Echo) assessment of RV function is subjective because complex RV geometry does not allow accurate determination of ejection fraction (EF). RVEF measured by cardiac magnetic resonance imaging (MRI) is the gold standard for quantitative assessment of systemic RV function. New Echo measures of ventricular deformation allow for quantitative assessment of RV function. The primary aim was to explore the correlation of global peak longitudinal strain (GPLS) of the systemic RV with MRI RVEF for patients with D-TGA status post atrial switch. The secondary aim was to characterize MRI and clinical findings in this population.
Highlights
Patients with d-transposition of the great arteries (D-TGA), status post atrial switch, are at risk for developing systemic right ventricular (RV) dysfunction
RVEF measured by cardiac magnetic resonance imaging (MRI) is the gold standard for quantitative assessment of systemic RV function
The primary aim was to explore the correlation of global peak longitudinal strain (GPLS) of the systemic RV with MRI RVEF for patients with D-TGA status post atrial switch
Summary
Patients with d-transposition of the great arteries (D-TGA), status post atrial switch, are at risk for developing systemic right ventricular (RV) dysfunction. Echocardiographic (Echo) assessment of RV function is subjective because complex RV geometry does not allow accurate determination of ejection fraction (EF). RVEF measured by cardiac magnetic resonance imaging (MRI) is the gold standard for quantitative assessment of systemic RV function. New Echo measures of ventricular deformation allow for quantitative assessment of RV function. The primary aim was to explore the correlation of global peak longitudinal strain (GPLS) of the systemic RV with MRI RVEF for patients with D-TGA status post atrial switch. The secondary aim was to characterize MRI and clinical findings in this population
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