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European Heart Journal Advance Access originally published online on October 2, 2006
European Heart Journal 2006 27(24):3033-3038; doi:10.1093/eurheartj/ehl273
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© The European Society of Cardiology 2006. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

Diagnosis of aortic valvular stenosis by multislice cardiac computed tomography

Erik Bouvier1,2,*, Damien Logeart2, Jean-Louis Sablayrolles1, Jacques Feignoux1, Claude Scheublé1, Thierry Touche1, Gabriel Thabut3 and Alain Cohen-Solal2

1 Service de Radiologie et de Cardiologie, Centre Cardiologique du Nord, Saint Denis, France
2 Service de Cardiologie, Hôpital Lariboisière, Paris, France
3 Service de Pneumologie, Hôpital Bichat, Paris, France

Received 3 January 2006; revised 5 July 2006; accepted 11 September 2006; online publish-ahead-of-print 2 October 2006.

* Corresponding author. Tel: +33 1 40 88 60 00; fax: +33 1 40 88 62 00. E-mail address: erik.bouvier{at}wanadoo.fr

See page 2923 for the editorial comment on this article (doi:10.1093/eurheartj/ehl375)

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 –7 mm2 (–40–25 mm2)].

Conclusion CT analysis of aortic valve is feasible in most cases and allows for reliable diagnosis and quantification of AS.

Key Words: Aortic stenosis • Diagnosis • Cardiac computed tomography


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