[Replacement of omniscience mitral valve in suboptimal opening]

This 57-year-old female of MS had been treated by MVR with a 25 mm Omniscience valve on October 26, 1983. She was doing well until November 1984 when she developed general malaise and dyspnea. She was hospitalized again on June 3, 1985. Studies including echocardiogram and cardiac catheterization revealed mitral stenosis. The echocardiogram showed rapid blood stream toward the interventricular septum. The maximum opening angle of the disc was measured 30 degrees on the cine film. The cardiac catheterization showed increased PA and PA wedge pressures. The Omniscience valve was replaced with a 25 mm SJM valve on July 19, 1985. The postoperative course was uneventful. The postoperative echocardiogram and cardiac catheterization showed significant improvements in flow pattern and intracardiac pressure. She is doing well as an instructor of Japanese dancing after discharge from the hospital.