Another option includes the surgical placement of a valve called a pulmonary homograft, which is a donated pulmonary valve and artery.    From Wordnik.com.  [Pulmonary Regurgitation] Reference

The child's own pulmonary valve and base of the pulmonary artery (autograft) replace the defective aorta, while a homograft (blood vessel from a tissue donor) replaces the pulmonary valve and base of the pulmonary artery.    From Wordnik.com.  [Cardiac terms and definitions] Reference

"… Emily received a human homograft valve that was taken from the heart of a baby that had passed away," Frank said.    From Wordnik.com.  [News for WNCT] Reference

Unfortunately the stent became infected and definitive open surgical repair involved removing the stent, replacing the aorta with a homograft and coverage with a left trapezius flap while under deep hypothermic arrest.    From Wordnik.com.  [BioMed Central - Latest articles] Reference