Objective: To discover the echocardiographic features of the reconstructed hearts after our newly developed double root translocation procedures(DRT) for patients with transposition of the great arteries, ventricular septal defect, and pulmonary stenosis.
Methods: Between 2004 and 2008, thorough transthoracic echocardiography was performed in 45 postoperative patients underwent DRT procedure before discharged.
Results: The morphology of left ventricular outflow track was normal in all cases (figure A). The flow velocities were normal in both ventricular outflow tracks. Biventricular outflow track paralleled to each other to some degree (figure B), varied mostly according to their preoperative positions. There was no aortic regurgitation in all cases; Only 2 cases were detected with more than moderate in degree pulmonary regurgitation (figure D). The great arteries are in normal position in cases without applying Leccompte maneuver (figure E) and pulmonary artery overriding the aorta applying it (figure F). The proximal parts of the coronary arteries (figure C, G) were patent and both ventricles functioned well.
Conclusion: DRT procedure restored normal intracardiac anatomy with excellent early hemodynamic and ventricular performance. It is a true anatomic and physiological repair.