[Clinical results of cardiac valve repair with bicuspid full-flow mechanical prosthesis 'MedEng-ST'].

Prosthetic repair of cardiac valves with artificial mechanical prostheses is ubiquitously performed using prostheses consisting of two cusps (bicuspidal). Several years ago, new bicuspid full-flow prostheses appeared on the market. From the first use they immediately proved reliable, with stable haemodynamic characteristics.