Objective to explore new method of percutaneous balloon serious mitral stenosis commissurotomy.

目的探索重度二尖瓣狭窄球囊分离术治疗的新方法。

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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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But when doctors told Mrs Whitfield, who suffers from heart defect mitral stenosis, that she was putting a strain on her heart serious enough to require an operation, she decided to take action.

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