期刊
EUROPEAN HEART JOURNAL
卷 27, 期 24, 页码 3033-3038出版社
OXFORD UNIV PRESS
DOI: 10.1093/eurheartj/ehl273
关键词
aortic stenosis; diagnosis; cardiac computed tomography
Aims Current improvements in spatial, temporal, and contrast resolution of multislice computed tomography (CT) could be useful in the assessment of valvular diseases. We evaluated the diagnostic accuracy of multislice CT for the identification and quantification of aortic valvular stenosis (AS), compared with echography. Methods and results Consecutive patients, referred for coronary CT, were evaluated for AS, by the use of standard electrocardiography-gated 16-slice CT protocol. Multiplanar reformat was applied to systolic phases of the cardiac cycle, with projection on thick slices for measuring the aortic valvular area (AVA). CT results were compared with echocardiographic-based measurement of the AVA. Among 107 enrolled patients, CT analysis of the AVA was feasible in 103. Among the 30 patients with AS, Bland-Altman analysis showed good agreement between the two methods [mean difference 27 mm(2) (240-25 mm(2))]. Conclusion CT analysis of aortic valve is feasible in most cases and allows for reliable diagnosis and quantification of AS.
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