A vital force in the Minneapolis medical community is the University of Minnesota Medical Center, where the first open heart surgery was performed in 1954. The hospital is also known as a leading organ transplant center. Among the other major hospitals in Minneapolis are the University of Minnesota Children's Hospital, Shriner's Hospital, the Veteran's Administration Medical Center, the Hennepin County Medical Center, and the Sister Kenny Rehabilitation Institute. The Mayo Clinic is located 75 miles southeast of Minneapolis, in Rochester.