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J Thorac Cardiovasc Surg 1999;118:1046-1052
© 1999 Mosby, Inc.

SURGERY FOR CONGENITAL HEART DISEASE

IMPROVED RESULTS WITH SELECTIVE MANAGEMENT IN PULMONARY ATRESIA WITH INTACT VENTRICULAR SEPTUM

From the Department of Cardiac Surgery, Children’s Hospital, Boston, Mass.

Address for reprints: Richard A. Jonas, MD, Department of Cardiac Surgery, Children’s Hospital, 300 Longwood Ave, Boston, MA 02115.

Objective: Late outcome of neonatal pulmonary atresia with intact ventricular septum remains poor in most reported series. We have followed a selective approach toward either single ventricle repair versus complete or partial biventricular repair based on the presence of right ventricle–dependent coronary circulation and growth of the right ventricle.
Methods: A retrospective chart review was conducted of 47 patients who underwent surgery between January 1991 and September 1998.
Results: Sixteen (34%) patients had a right ventricle–dependent coronary circulation, with a tricuspid valve Z-score of –3.0 ± 0.66 versus –2.0 ± 0.95 (P = .002) for those without a right ventricle–dependent coronary circulation. A systemic–pulmonary artery shunt only was performed in all patients with a right ventricle–dependent coronary circulation, with 1 death. Fourteen of 16 patients with a right ventricle–dependent coronary circulation underwent a bidirectional Glenn shunt at a median of 9 months after their first operation, 9 of whom have had a Fontan procedure (no deaths). In the 31 (66%) patients without a right ventricle–dependent coronary circulation, 6 patients underwent only a systemic–pulmonary artery shunt, 23 had a shunt and right ventricular decompression, and 2 had only a transannular patch. In this group, 10 patients received a 2-ventricle repair, 6 a 1.5-ventricle repair, and 8 patients had a Fontan procedure. There was 1 early death and the overall survival was 98% at 1 year, 5 years, and 7 years.
Conclusions: If patients are stratified well, excellent survival can be achieved in the treatment of pulmonary atresia with intact ventricular septum. This result may be at the price of achieving a 1-ventricle as opposed to a 2-ventricle repair.

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