[10-year experience with correction of supraventricular tachycardia]

The results of a 10-year experience in surgical treatment of supraventricular tachyarrhythmias in 258 patients are analysed. Invasive and noninvasive methods of electrophysiological studies with the predominant use of Soviet-produced apparatuses were employed in establishing the diagnosis. Surgery of arrhythmias included catheter destruction, cryosurgery on a working heart, but the prevailing methods were various types of destruction of anomalous conducting paths under conditions of extracorporeal circulation. The authors suggest a method for dosed electrocoagulation of paranodal tissues in atrioventricular nodal tachycardias. The results of the operation were positive in over 90% of cases. Three fatal outcomes in operations with extracorporeal circulation occurred during the first years of accumulation of experience in the method. It is concluded that the operation is highly effective in severe tachyarrhythmias.