Figure legends:
Figure 1: Image of angiography showing the left ventricular outflow obstruction (subvalvar and valvar) and the dextrocardia.
Figure 2: A drawing showing the cannulated aorta and the site of both the aortotomy and the right ventricular cardiomyotomy, and the right coronary artery.
Figure 3: A drawing showing the extension of the aortotomy to the right (Dextrocardia) of the right coronary artery.
Figure 4: A drawing the cutting through the aortic annulus and ventriculo-infundibular fold into the ventricular septum.
Figure 5: Intraoperative image showing the opened ventricular septum (dark line), the left ventricular cavity (dark circle), and the right ventricular cavity (dark star).
Figure 6: Intraoperative image showing the patch sewn to the opened ventricular septum. 1: right ventricular free wall, 2: right ventricular cavity, 3: the suture line between the patch and the edge of the opened ventricular septum, 4: the patch.