血流会聚法与心导管法评价二尖瓣球囊扩张术疗效的对照研究

Comparison of flow convergence region with catheterization in pre-and post-percutaneous balloon mitral valvuloplasty

应用彩色多普勒血流会聚（FCR）法对21例风湿性二尖瓣狭窄患者于二尖瓣球囊扩张（PBMV）术前及术后测量二尖瓣口面积（MVOA）及心脏指数（CI），并与心导管（Cath）法所测MVOA及CI分别进行比较，发现两种方法间没有显著性差异（P＞0．05）。术后FCR法所测MVOA及CI均明显大于术前（P＜0．001）。上述结果表明无论术前还是术后FCR法测量MVOA和CI可行、可信，因而可较准确地评估PBMV的疗效，有广泛的临床应用价值。

21 patients with mitral stenosis were studied prospectively,whose mitral areas and cardiac index were evaluated by two-dimensional color Doppler flow convergence region both before and after percutaneous balloon mitral valvulopiasty,and compared with the results by cardiac catheterization. There was no significant difference among them (P>0.05,respectively). The mitral areas and cardiac index were increased after percutaneous balloon mitral valvuloplasty (P <0.001,respectively). It was concluded that color Doppler flow convergence region could be used to quantificate the area and cardiac index of mitral stenosis feasibly and credibly,so it could be applicated clinically to assess the effect of percutaneous balloon mitral valvuloplasty.