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Intravascular imaging methods are an actively developing area that was originally used in the treatment of coronary artery disease. With the help of intravascular ultrasound (IVUS), there is an opportunity to more objectively, in contrast to fluoroscopy, evaluate the vascular anatomy and lesion morphology, as well as optimize transcatheter interventions. In recent years, intravascular imaging has become widespread in the evaluation of children with congenital heart defects. A review of the literature on IVUS in endovascular treatment of congenital heart defects is presented and cases of the IVUS use in children with patent ductus arteriosus, descending aortic stenosis after interrupted aortic arch repair and pulmonary stenosis are presented.

Congenital heart defects (CHDs) are recognized as the most common type of congenital pathology. The frequency of CHDs reaches 2.4–14.2 % per 1 000 newborns. Ebstein’s anomaly is a rare and complex pathology that can be manifested clinically at any age. Drug treatment is ineffective in patients with this pathology. Preference in this case should be given to surgical treatment. Cardiac surgeons must know basic methods of correction of this pathology, their advantages, and disadvantages. The literature review shows the evolution of Ebstein’s anomaly surgical correction techniques from the middle of the XX century to the present moment. The description of the main tricuspid valve repair techniques, which had an impact on the development of Ebstein’s anomaly surgery, is given. The volume of flap tissue that can be separated from the wall of the right ventricle is the key to successful valve repair. A case of tricuspid valve repair and replacement is given. “Cone” reconstruction is the most promising modern technique. There is also a need in new techniques and modification of the existing ones. The works aimed at their improvement and elimination of imperfections are promising.