However, Lillehei and his team used cross-circulation for more than 40 open-heart operations in the next year, including the world's first surgical repairs of the atrioventricular canal and tetralogy of Fallot.
However, Lillehei and his team continued to use cross-circulation for a total of 44 open-heart operations in the following year, of which 32 patients survived. These surgeries included the first repairs of the atrioventricular canal and tetralogy of Fallot.