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The Annals of Thoracic Surgery, Vol 26, 351-356, Copyright © 1978 by The Society of Thoracic Surgeons
RD Fisher, SL Faulkner, CG Sell, TP Graham Jr and HW Bender Jr
Selection of patients and the timing of operation for closure of
ventricular septal defect (VSD) can be difficult because the risk of
operation must be balanced against the hemodynamic abnormality and the age
and size of the infant. In the past 6 years we have individualized our
approach to the timing and necessity of operation in the patient with an
isolated VSD. During this period, 133 patients with VSD were evaluated, and
71 underwent operative closure of the VSD. Of the 133 patients, 90 were 2
years old or younger, and 40 of them required operation because of
congestive failure and growth retardation. Of the 45 infants who did not
undergo operation, 17 have small intracardiac shunts with normal pulmonary
vascular resistance while the other 28 infants remain compensated and are
growing despite moderate left-to- right shunts. A persistent, large
intracardiac shunt was the indication for operation in 31 of the 48 older
patients; the other 17 older patients remain well. Although 3 severely
growth-retarded infants (2 to 4 kg) died soon after operation, all infants
weighing 4 kg or more survive. No child has died during preoperative
observation, and irreversible pulmonary vascular changes have not occurred.
Most infants with VSD and large intracardiac shunts do require early VSD
closure, but the risk of operation remains high in the tiny neonate with
profound failure. With appropriate hemodynamic and clinical criteria,
operation for selected infants can be delayed so that the risk of operation
can be minimized.
ARTICLES
Operative closure of isolated defects of the ventricular septum: planned delay
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