The Annals of Thoracic Surgery, Vol 23, 215-220, Copyright © 1977 by The Society of Thoracic Surgeons
Automated identification of cardiac conduction tissue in L-TGV and Ebstein's anomaly
S Stewart, J Manning and L Siegel
The specialized cardiac conduction tissue was identified quickly and easily
at operation in 2 patients with corrected transposition (L-TGV) and 1 with
Ebstein's anomaly. In each of the former cases the tissue was located along
the upper rim of the VSD, beneath the pulmonary outflow tract; in neither
patient was there a disturbance in cardiac rhythm as a result of operation.
In the patient with Ebstein's anomaly the bundle of His descended onto the
ventricular septum more directly than was anticipated. There was only a
transitory disturbance in atrioventricular conduction following tricuspid
valve replacement. Accurate identification of the cardiac conduction tissue
is a prerequisite to the safe repair of certain forms of complex congenital
heart disease.