Transesophageal cross-sectional echocardiography.
Transesophageal cross-sectional echocardiography.
复制标题
经食管横断面超声心动图。
DOI：
10.1016/0002-8703(80)90223-9
复制
发表时间：
1980
影响因子：
4.8
通讯作者：
Yoshiyasu Ichie
中科院分区：
文献类型：
--
作者：
K. Hisanaga;K. Hisanaga;A. Hisanaga;A. Hisanaga;Kazuhiko Nagata;Kazuhiko Nagata;Yoshiyasu Ichie;Yoshiyasu Ichie
描述了一种经食管心脏成像系统。该系统采用手持式机械扇形和线性扫描仪，每个扫描仪都有一个柔性管和一个小型超声波换能器，装在一个容易被成年人吞下的小油袋中。在扇形扫描器中，食管中的小换能器交替旋转，并显示水平心脏图像。在线性扫描仪中，食管中的一个小换能器上下移动，并显示垂直的心脏图像。该系统在31名成人受试者中进行了评价。在所有受试者中，当探头在食管中撤回或推进时，从基底到心尖连续观察到稳定的高质量心脏图像。在水平扫描中，在房室瓣水平观察整个心脏图像。垂直扫描可清楚显示肺动脉分叉。受试者之间的图像质量差异不大。
A transesophageal cardiac imaging system is described. This system employs hand-held mechanical sector and linear scanners each having a flexible tube and a small ultrasonic transducer contained within a small oil bag easily swallowed by adults. In the sector scanner, a small transducer in the esophagus rotates alternately and horizontal heart images are displayed. In the linear scanner, a small transducer in the esophagus moves up and down and vertical heart images are displayed. The system was evaluated in 31 adult subjects. In all subjects, stable high quality heart images were observed continuously from base to apex as the transducer was being withdrawn or advanced in the esophagus. In horizontal scans, entire heart images were observed at the level of the atrioventricular valves. In vertical scans, the bifurcation of the pulmonary artery could be observed clearly. There was little difference in the image quality among subjects.