Aortopulmonary (Potts-Smith), subclavian-pulmonary (Blalock-Taussig), and cavopulmonary (Glenn) shunts are the commonly performed operations for palliation of tricuspid atresia. A total of 104 patients with tricuspid atresia have undergone these procedures, either alone or in combination over a 28-year-period at the Hospital for Sick Children, Toronto. Operative risk is high in the first six months of life (44%), reasonable after six months of age (7.4%), and low for reoperation (3.5%). Long-term palliation of the 75 survivors (mean follow-up, 8,5 years) is compared for the three operative groups and charted on an actuarial table. Potts shunt offers superior long-term palliation. Therefore, as an overall plan of management, a Potts shunt with restriction of its anastomotic growth is the initial procedure of choice. When the patient outgrows the Potts shunt, a Glenn anastomosis is constructed. Ideally, the combination of these two shunts will produce a balanced circulation offering excellent long-term palliation.
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