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Abnormal Pulmonary Artery Bending Correlates With Increased Right Ventricular Afterload Following the Arterial Switch Operation
Abnormal pulmonary artery bending in the setting of the Lecompte maneuver may affect right ventricular afterload in the absence of stenosis. The authors identified novel measurements related to the curvature of the pulmonary artery branches, and found that they correlated with right ventricular systolic pressures, as measured by contributions of curvature in the pulmonary arteries.