使用安格相机进行首次通过放射性核素心血管造影术测量局部左心室壁运动。实验与临床研究。
Regional left ventricular wall motion from first-pass radionuclide angiocardiography using an Anger camera. Experimental and clinical study.
作者信息
Walton S, Donaldson E A, Rowlands D J, Shields R A, Testa H J, Wrigley C
出版信息
Br Heart J. 1980 Nov;44(5):518-23. doi: 10.1136/hrt.44.5.518.
Abstract
Experimental studies with a balloon phantom, and clinical studies were performed to evaluate first-pass radionuclide angiocardiography using a gamma camera in the assessment of regional wall motion. The phantom studies showed that choice of isocount contour was not critical in edge detection. Adequate count densities could be achieved, but only at the expense of temporal resolution. The clinical studies disclosed a good correlation with radiography in normal subjects and those with diffuse ventricular disease but a poor correlation in subjects with localised abnormalities of wall motion.
摘要
使用球囊模型进行了实验研究，并开展了临床研究，以评估利用γ相机进行首次通过放射性核素心血管造影术在评估局部室壁运动方面的作用。模型研究表明，等计数轮廓的选择在边缘检测中并非关键因素。可以实现足够的计数密度，但这是以牺牲时间分辨率为代价的。临床研究显示，在正常受试者和患有弥漫性心室疾病的受试者中，该技术与射线照相术有良好的相关性，但在室壁运动存在局部异常的受试者中，相关性较差。
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Br Heart J. 1982 Nov;48(5):441-8. doi: 10.1136/hrt.48.5.441.
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