Apparently the surgery was today. He was on the donor list 20 months. I checked Wikipedia to see what the prognosis is:
The prognosis for heart transplant patients following the orthotopic procedure has increased over the past 20 years, and as of June 5, 2009, the survival rates were:[8]The Mayo Clinic concurs.
1 year : 88.0% (males), 86.2% (females)
3 years: 79.3% (males), 77.2% (females)
5 years: 73.1% (males), 69.0% (females)