Objective To observe safty and effect of percutaneous balloon mitral valvuloplasty(PBMV) on the patients with rheumatic mitral stenosis complicated with left atrial thrombus.

• 目的探讨经皮球囊成形术(PBMV)治疗合并左房血栓的风湿性二尖瓣狭窄的可行性、安全性和临床效果。