“…I n 1957, Crafoord et al (7) and Schlief and Kamm (38) reported the first observations on the serum enzyme alterations after cardiovascular operations. Thereafter, this subject has been dealt with in several studies (4, 6,9,17,27,33,35,39,41,46). Glutamic-oxalacetic transaminase (GOT) activity has been studied most extensively.…”