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KMID : 0880420080090050439
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Korean Journal of Radiology
2008 Volume.9 No. 5 p.439 ~ p.448
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Aortic Stenosis: Evaluation with Multidetector CT Angiography and MR Imaging
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Chun Eun-Ju
Choi Sang-Il
Lim Cheong
Park Kye-Hyun
Chang Hyuk-Jae
Choi Dong-Ju
Kim Dong-Hun
Lee Whal
Park Jae-Hyung
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Abstract
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Aortic valvular stenosis (AS) is the most common valve disease which results in the need for a valve replacement. Although a Doppler echocardiography is the current reference imaging method, the multidetector computerized tomograpghy (MDCT) and magnetic resonance imaging (MRI) have recently emerged as a promising method for noninvasive valve imaging. In this study, we briefly describe the usefulness and comparative merits of the MDCT and MRI for the evaluation of AS in terms of valvular morphology (as the causes of AS), quantification of aortic valve area, pressure gradient of flow (for assessment severity of AS), and the evaluation of the ascending aorta and cardiac function (as the secondary effects of AS). The familiarity with the MDCT and MRI features of AS is considered to be helpful for the accurate diagnosis and proper management of patients with a poor acoustic window.
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KEYWORD
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Angiography, CT, Cardiac imaging, Magnetic resonance (MR), Multidetector CT
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