RESULTS:Among 64 cases with CRF,the echocardiographic findings were mitral valve calcification (MAC) in 9 cases,mitral r结果:64例患者中发现二尖瓣钙化9例,二尖瓣返流5例,二尖瓣面积减少致狭窄2例,主动脉瓣钙化12例,主动脉瓣返流7例,二尖瓣并发主动脉瓣钙化3例。