Conclusions
In patients with TOF and UAPA, if there is a pulmonary confluence in the
affected hilum, it is feasible to implement bilateral pulmonary artery
reconstruction for one-stage TOF correction. The use of pulmonary artery
extension technique and autologous tissue to reconstruct the connection
between the left pulmonary artery and the main pulmonary artery can
reduce the incidence of anastomotic stenosis. The long-term effect needs
further follow-up.