[Causes of second operations after surgical treatment of congenital tricuspid valve abnormalities].

Main causes necessitating replacement of tricuspid valve (TV) prosthesis were calcinosis and infectious endocarditis of the bioprosthesis. Second operations after primary reconstructive surgery for the replacement of TV prosthesis were needed when medical indications did not fully justify the use of valve salving surgery by the Danielson's method and in case of procedural errors during surgery by the method of Carpentier in the initial period of mastering these approaches.