静息状态下利用心脏磁场图检测冠心病患者
Detection of patients with coronary artery disease using cardiac magnetic field mapping at rest.
作者信息
Gapelyuk Andrej, Wessel Niels, Fischer Robert, Zacharzowsky Udo, Koch Lydia, Selbig Daniela, Schütt Henry, Sawitzki Bianca, Luft Friedrich C, Dietz Rainer, Schirdewan Alexander
机构信息
Medical Faculty of the Charité, Franz Volhard Klinik, Helios Klinikum-Berlin, Berlin, Germany.
出版信息
J Electrocardiol. 2007 Sep-Oct;40(5):401-7. doi: 10.1016/j.jelectrocard.2007.03.013. Epub 2007 May 24.
We studied the use of cardiac magnetic field mapping to detect patients with CAD without subjecting them to stress. Fifty-nine healthy control subjects and 101 patients with CAD without previous MI were included. The optimal positions for detecting CAD were located in the left superior parasternal and in the inferior midsternal area. Values for ST slope, ST shift, T peak amplitude, ST-T integral, and magnetic field map orientation differed significantly between the 2 groups. Three parameters together in a multivariate analysis yielded a sensitivity of 84% and a specificity of 83% in distinguishing patients with CAD from control subjects. We suggest that cardiac magnetic field mapping is a promising technique to identify patients with CAD.
我们研究了利用心脏磁场测绘来检测冠心病患者，而无需让他们承受压力。纳入了59名健康对照者和101名既往无心肌梗死的冠心病患者。检测冠心病的最佳位置位于胸骨旁左上和胸骨中下区域。两组之间的ST段斜率、ST段偏移、T波峰值幅度、ST-T积分和磁场图方向值存在显著差异。在多变量分析中，三个参数共同作用，在区分冠心病患者和对照者时，敏感性为84%，特异性为83%。我们认为心脏磁场测绘是一种识别冠心病患者的有前景的技术。
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