Pulmonary Atresia With Intact Ventricular Septum: Long-Term Results Of "One And A Half Ventricular Repair"
The Annals of thoracic surgery(2001)
Abstract
Background. Between 1982 and 1984, we successfully performed ''one and a half ventricular repair'' using a Glenn shunt for 3 patients with pulmonary atresia with intact ventricular septum. Here we review the 10-year follow-up results.Methods. In these patients, the preoperative Z scores of the tricuspid valve diameters ranged from -5.2 to -6.5. Right ventricular outflow tract reconstruction combined with a Glenn shunt were performed in all patients. Cardiac catheterization was done at least 10 years postoperatively.Results. All 3 patients have maintained New York Heart Association functional class I status for more than 10 years. Angiography in 2 patients confirms sufficient left pulmonary artery pressure with pulsatile blood flow and good right ventricular contraction. A pulmonary arteriovenous fistula has developed in 1 patient.Conclusions. Although the lower limits of the tricuspid valve diameter for ''one and a half ventricular repair'' using a cavopulmonary shunt have not yet been determined, we successfully performed this procedure in 3 patients with severely hypoplastic right ventricles and tricuspid valve diameter Z scores of less than -5.0. The results up to 10 years postoperatively are acceptable.
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