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- Suprapulmonic valve area 肺动脉瓣上区
- Results There were difference in the mitral valve area、diastolic mitral gradient、the mean left atrial pressure observed before and after PBMV. 结果显示PBMV前后二尖瓣瓣口面积、二尖瓣平均跨瓣压差、左房平均压力差异显著(P＜0.;05)；
- Results:PBMV was successful in all the patients of the two groups,producing an increase in mitral valve area(MVA)(P<0.01),a decline in mean left atrial pressur... 再次PBMV组二尖瓣瓣口面积增加值及肺动脉平均压下降值均小于首次PBMV组(P<0.;05);但左房平均压、左房舒张末内径下降值相比无统计学差异。两组均无严重并发症发生。结论:提示再次PBMV仍是PBMV术后再狭窄患者一种安全有效的治疗手段。
- Leaks in the valve area are generally very small and do not normally change in size when the product in the cylinder is an oxidant, inert, or flammable compressed gas, or a mixture of these gases. 当钢瓶内的产品是氧化剂、惰性气体、易燃压缩气体或这些气体的混合物时，发生在阀门区域的泄漏一般非常小，而且正常情况下不会改变大小。
- Objective: To evaluate the accuracy of 2DE method,pressure half time method(PHT),aortic blood flow continuity method(AFCE),mistral blood flow continuity method(MFCE)in measuring the mistral valve area (MVA)in mistral stenosis and clinical value. 目的 :本文着重探讨二维超声法 ( 2DE)、多普勒压差减半时间法 (PHT)、主动脉血流连续性方程法 (AFCE)、二尖瓣血流连续性方程法 (MFCE)测量二尖瓣狭窄瓣口面积 (MVA)的准确性及临床应用价值。
- For 1 case of Lutembacher syndrome, mitral valve area increased from 1.0 to 2.1 cm2.Durring 1 week to 6 months follow up,no residual shut and dislocation of the devices were found by TTE. 1例Lutembacher综合征患者;超声心动图测量二尖瓣瓣口面积分别由二尖瓣球囊扩张术前1.;0 cm2增加到术后2
- This study was undertaken to validate the accuracies of two-dimentional echocardiographic(2DE)and Doppler left atrial depressurization time(ADT)methods for estimation of mitral valve area(MVA)in patients with mitral stenosis(MS). 报道用二维超声技术直接测量及多普勒测左房减压时间法;计算二尖瓣狭窄时瓣口面积的两种方法.
- The variance of left atrium diameter in group A and left ventricular diameter in group B were not significant(P>0.05). The reduction of left atrium pressure and increment of mitral valve area in group A were smaller(P<0.01). 1周内A组左心房内径和B组左心室内径变化不明显 (P >0 0 5 ) ;A组的左心房内径缩小值 ;左心房压力下降值 ;MVA扩大值、扩大率均
B组 (P <0 0 1) ;其余指标无差异 (P >0 0 5 ) ; - He steered into the parking area. 他把车开进了停车区。
- The slum area was sordid and filthy beyond belief. 该贫民区之污秽肮脏简直令人难以置信。
- The flood cut a wide swath in this area. 洪水席卷了这一地区，满目一片疮痍。
- The luminous intensity on unit area. 单位面积上的发光强度。
- Have you turned off the water valve? 你关掉水阀了吗？
- White lines divide the playing area into sections. 这些白线把赛区分成各个部分。
- The first chapter delimits her area of research. 第一章阐明了她的研究领域。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- Sorry. I must have got the wrong area code. 对不起，我一定是拔错地区号码了。
- This is the area that attracts the most attention. 这是最受关注的地区。
- The folk song has a good run in this area. 这支民歌在这个地区非常流行。
- Wet weather is a feature of life in this area. 天气潮湿是这个地区生活的一个特色。
