[Hepatitis syndrome following heart surgery using extracorporeal circulation]

195 patients who underwent heart operations by means of extra-corporal circulation were followed-up for virus hepatitis in a prospective study. 15 cases of hepatitis occurred, 6 developed hepatitis type B, 9 hepatitis non-A-non-B. 41 out of 142 patients examined had no antibodies against cytomegaly virus, in 7 patients a seroconversion took place. Epstein-Barr-virus does not play a clinical role.