When was the first successful heart bypass surgery performed?

1967: The first bypass operation is generally thought to be performed by renée favaloro. Dr. Favaloro was and argentine surgeon working at the cleveland clinic.

1964: The first successful bypass surgery was done in russia by dr kolesov in 1964. In the us dr favaloro at the cleveland clinic is credited with the first in 1967. He presented a paper describing a series of several successful cases. Cases.