Percutaneous balloon mitral valvuloplasty (PBMV) was per formed seccessfully in 6 patients with serious mitral stenosis and left atrial thrombi.

对重度二尖瓣狭窄合并左心房附壁血栓的6例患者进行了经皮二尖瓣球囊成形术（PBMV）。

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Objective: To evaluate the echocardiographic effect before and after small balloon percutaneous balloon mitral valvuloplasty (PBMV) in patients with severe mitral stenosis (MS).

目的：探讨彩色多普勒超声心动图在重度二尖瓣狭窄(MS)行小球囊经皮二尖瓣球囊成形术(PBMV)前后的作用。

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Objective to find a simple and noninvasive method for estimating pulmonary artery systolic pressure (PASP) in patients underwent percutaneous balloon mitral valvuloplasty (PBMV).

目的探求一种简便，无创的方法评价行经皮二尖瓣球囊成形术(PBMV)病人的肺动脉压水平。

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