Fifty-Seven Cases of tricuspid valve replacement were done from April 1976 to January 1983. Fourteen congenital and 43 acquired cases were found. In 13 cases tricuspid valve alone was replaced with 2 operative deaths and one late deaths. In 35 cases TVR and MVR were done with 6 operative deaths and 6 late deaths. In 9 cases TVR, MVR, and AVR were done with one operative deaths. Over all operative mortality was 15.8% and late mortality 12.3% among the 48 survivors. Over all Survival rate was 71.9% during follow-up period ranging from 8 months to 6 years and 9 months. In every case TVR was done with bioprosthetic xenograft valves.[KTCS 1983;1:49-54]