目的：探讨经皮二尖瓣球囊扩张术(PBMV)的远期疗效及其影响因素。

Objective: to find out the factors of long-term outcome by retrospective analysis in patients who underwent percutaneous balloon mitral valvuloplasty.

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目的：探讨经皮二尖瓣球囊扩张术(PBMV)治疗非单纯性二尖瓣狭窄(MS)的效果。

Objective: To discuss the effect of percutaneous balloon mitral valvuloplasty (PBMV) on non-simple mitral stenosis (MS).

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目的评价经皮二尖瓣球囊扩张术（PBMV）治疗二尖瓣狭窄伴中或重度肺动脉高压的疗效。

Objective To assess efficacy of percutaneous balloon mitral valvotomy (PBMV) with an Inoue balloon catheter in the treatment of mitral stenosis with high pulmonary hypertension.

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