方法：采用国产单球囊导管对4例风湿性心脏病二尖瓣狭窄患者进行PBMV。
Method: 4 cases of rheumatic mitral stenosis were treated by PBMV with single balloon catheter.
目的： 评估利用国产球囊导管行经皮二尖瓣成形术治疗风湿性二尖瓣狭窄的疗效。
Purpose: To evaluate the effect of mitral valve stenosis treated by percutaneous balloon mitral valvuloplasty (PBMV) with domestic balloon.
观察36例经皮球囊导管二尖瓣分离术治疗的二尖瓣狭窄患者，发现其术后瓣口面积的大小。
The mitral valve area (MVA) after percutaneous balloon catheter mitralcommissurotomy (PBMC) was assessed in 36 patients with mitral stenosis.
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