Julia K. Ballon valvulotomy of critical aortic stenosis in newborn

This dissertation is the work first in Ukraine which reflects the experience of balloon valvotomy of critical aortic stenosis in newborns. Work is devoted studying of a complex problem of early diagnostics, presurgical conducting newborns with critical aortic stenosis, features of technique carrying out of baloon valvuloplasty of critical aortic stenosis, its efficiency at isolated critical aortic stenosis and in cases of its combination to additional cardiac anomalies,prophylactic medical examination in the remote postoperative period, necessity of repeated interventions. The study was carried out on the material of 70 patients, who in the period of the newborn were performed baloon valvuloplasty of critical aortic stenosis. Remote observation period after balloon valvulotomy of critical aortic stenosis amounted to 13,5 years. Here we study immediate and long- term results of balloon valvulotomy of critical aortic stenosis with different anatomical variants of defect, developed and justified indications and contraindications for the balloon valvulotomy of critical aortic stenosis, assessed risk factors and their impact on results. Designed and implemented technique of reducing the number of input X-ray contrast substances during balloon valvulotomy of critical aortic stenosis allowed to reduce their negative effects on infant and avoid directly related to their complications. Are studied necessity, frequency and terms of repeated interventions for the remote period after balloon valvulotomy of critical aortic stenosis that has allowed to carry out them without lethal cases.