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自由呼吸心脏磁共振成像：呼吸运动影响的研究——初步结果

Free-breathing cardiac MR imaging: study of implications of respiratory motion--initial results.

作者信息

Nehrke K, Börnert P, Manke D, Böck J C

机构信息

Department of Magnetic Resonance, Technical Systems Research Division, Philips Research Laboratories, Roentgenstrasse 24-26, D-22315 Hamburg, Germany.

出版信息

Radiology. 2001 Sep;220(3):810-5. doi: 10.1148/radiol.2203010132.

DOI:10.1148/radiol.2203010132
PMID:11526286
Abstract

The respiratory motion of several anatomic regions (right hemidiaphragm, left ventricle of the heart, chest wall, abdominal wall) was investigated during free breathing in 10 healthy volunteers by using multinavigator technology and real-time magnetic resonance (MR) imaging. The respiratory motion shows hysteretic effects, which are strongly subject dependent and might have some effect on the quality of cardiac MR images.

摘要

通过使用多导航技术和实时磁共振（MR）成像，对10名健康志愿者在自由呼吸期间几个解剖区域（右半膈肌、心脏左心室、胸壁、腹壁）的呼吸运动进行了研究。呼吸运动显示出滞后效应，这种效应强烈依赖于个体，并且可能对心脏MR图像的质量产生一些影响。

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