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    Evaluation of Spiral CT Real Time 3D Reconstruction in Demonstrating Inner Ear
    螺旋CT实时三维成像显示内耳结构方法初探
    Part 2: 12 fetuses, 3 carotid arteries, 5 uteruses and 3 kidneys were examined by 2D ultrasound and 3D reconstructed system and real-time 3D ultrasound respectively. And the 2D and 3D ultrasonic imaging gained were contrasted and analyzed too.
    第二部分,运用一体化容积探头对12例胎儿、3例颈动脉、5例子宫、3例肾脏等组织进行二维成像、三维重建和实时三维成像,也对获得的二维和三维图像进行对比分析。
    Part 2:Compared among 2D, 3D reconstructed system and real-time 3D ultrasonic imaging of 23 study objects, the 3D ultrasonic imaging was more excellent thanthat of 2D.
    第二部分,对23例研究对象的二维成像,容积探头三维重建和实时三维成像的比较显示,容积探头三维重建和实时三维成像均优于二维成像,提供了更有临床价值的图像。
    al. had got 3-D real-time optoacoustic image with much higher optical contrast and ultrasonic resolution by using an acoustic lens system and CCD system.
    Frenz等人也利用声透镜结合CCD成像方法实现了对光声信号的实时三维成像,并且获得的光声图像对比度和灵敏度都比较高。
    Methods: Twenty normal subjects(10 male, 10 female, mean aged 18.9years)and totally 87 patients with congenital heart diseases (CHD)(45 male, 42female, mean aged 18.1 years), who were scheduled to undergo surgicaltreatment, including 24 patients with ASD, 43 patients with VSD and 20 patientswith PDA.
    方法:收集20 例正常人与预行手术治疗的87 例先天性心脏病患者行二维及实时三维成像,其中先天性心脏病患者包括继发孔型房间隔缺损24 例,室间隔缺损43 例,动脉导管未闭20 例。
    Results:RT3DE produced novel views of congenital heart defects and offered improved quantification of defect areas The areas obtained from 3DE have better correlation with surgery results than the diameter measured in 2DE( r =0 78 vs r =0 91).
    结果 :实时三维成像能以多种视角观察间隔缺损的全貌并可对缺损面积进行三维测量 ,同二维超声所测直径相比 ,三维超声测量结果与手术结果具有更好的相关性 (r=0 .78vs r=0 .91 )。
    Methods: Two patients with cardiac myxoma and 1 patient with pericardial tumor were examined by real-time three-dimensional echocardiography.
    方法:对2例左房粘液瘤及1例心包肿瘤患者进行实时三维成像
    Also, some models were made, including left ventricular aneurysm model after acute myocardium infarction, artery atheromatous plaque model, and porcine heart in vitro, and imaged by RT-3DE.
    另通过室壁瘤模型、动脉粥样斑块模型以及离体猪心的三维检查 ,验证实时三维成像的准确性。
    Methods Three-dimensional image were acquired in 37 normal subjects by matrix array transducer, the LV end diastolic volume (LVEDV) and LV end systolic volume (LVESV) were measured by TomTec 4D Cardio-View RT 1.0 analy sis software.
    方法 健康志愿者 37例 ,应用矩阵换能器和实时三维成像软件采集三维图像 ,利用TomTec 4DCardio ViewRT 1 .0软件测量左室舒张末期容积 (LVEDV)和收缩末期容积 (LVESV) ,进而计算出左室射血分数 (LVEF)。
    Results RT-3DE produced novel views of congenital heart defects and offered improved quantification of defect area. The areas obtained from 3DE had better correlation with surgery results than diameter measured in 2DE ( r =0.78 vs r =0.91).
    结果 实时三维成像能以多种视角观察间隔缺损的全貌并可对缺损面积进行三维测量 ,同二维超声所测直径相比 ,三维超声测量结果与手术结果具有更好的相关性 (r =0 .78vsr =0 .91)。
    The hologram fringe pattern data is stored in the computer image format, and transmitted to a transmission-type liquid crystal panel by the video signal. It will be used for the real-time three-dimension imaging by holographic reconstruction.
    全息条纹数据以计算机图像格式存储,并以视频信号传输到液晶板上显示,用该电全息实时三维成像
    Methods In 12 normal subjects,cardiac RT-3DE was performed. The three-dimensional images were analysed with TomTec 4D Cardio-View analysis software.
    方法采用实时三维超声心动图对12名正常人心脏进行实时三维成像,并应用TomTec公司的三维软件加以分析。
    Methods The whole atrial septal′s morphologic aspects and dynamic change were observed in fifty-three patients with atrial septal defect(ASD), three patients with atrial septal aneurysm and ten normal subjects using RT-3DE. Thirty-six ASD patients were confirmed by operation.
    方法应用RT-3DE技术对53例房间隔缺损(ASD)患者、10例正常对照者、3例房间隔膨胀瘤患者进行实时三维成像,观察房间隔整体解剖结构的立体形态特征和动态变化。
    Strain rate imaging and real-time three-dimensional echocardiography can evaluate noninvasively and directly the left ventricular regional and global function in rabbits with type 2 diabetes.
    结论2型糖尿病兔早期即出现心肌运动及功能异常; 应变率及实时三维成像能直观、无创地定量评价兔局部心肌功能及整体心功能。
    Methods11 cases of HCM received three-dimentional echocardio-graphy. 7 cases were diagnosed with non-obstructive HCM and the other 4 cases with obstructive HCM. 2 cases suffered from obstruction of left ventricular outflow tract,1 case obstruction of right ventricular outflow tract,and the other one obstruction of both tracts.
    方法对11例肥厚型心肌病患者进行实时三维成像,其中7例为非梗阻型肥厚型心肌病,4例为梗阻型肥厚型心肌病,其中2例左心室流出道梗阻,1例左心室中部梗阻,1例左、右心室流出道均梗阻。
 

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