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数字减影血管造影(Digital Subtraction Angionra-phy,简称:DSA)是一种先进的非光学减影技术。它通过将视频信号经计算机运算和处理后获得减影图像。我国1984年引进此项技术并应用于临床以来,DSA的应用范围不断扩大。1992年4月起我科采用武汉大学琛珞医用图像研究所与西南医用设备厂合作生产的KSA—10型DSA设备进行了头颅、胸、腹和四肢部位的DSA检查。本文就使用该设备的有关DSA应用技术及其体会作一介绍。
Digital Subtraction Angionra-phy (DSA) is an advanced non-optical subtraction technique. It obtains a subtracted image by computing and processing the video signal. Since the introduction of this technology in China in 1984 and its clinical application, the scope of application of DSA has been expanding. Since April 1992, our department has conducted DSA examinations on the cranial, thorax, abdomen and limbs using the KSA-10 DSA equipment produced by the Wuhan Institute of Medical Image Research Institute and the Southwestern Medical Equipment Factory. This article uses the device on the DSA application technology and its experience to make an introduction.