Surgical Correction of Tetralogy of Fallot With Unilateral Absence of Pulmonary Artery

Majority of patients with tetralogy of Fallot and unilateral absence of the pulmonary artery require palliative intervention as a first step of surgical treatment. Nakata index greater than 200 mm2/m2 and Nakata index Z-score greater than −4 are criteria for a successful complete repair.