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Recurrent subaortic membrane causing subvalvular aortic stenosis 13 years after primary surgical resection.

Richard Takx, U Joseph Schoepf, Brad Friedman, Anthony M Hlavacek, Thomas Henzler

Department of Radiology and Radiological Science, Medical University of South Carolina, 25 Courtenay Drive, MSC 226, Charleston, SC 29401, USA.

Journal Article: Journal of cardiovascular computed tomography 01/2011; 5(2):127-8. DOI: 10.1016/j.jcct.2011.01.004

Abstract

This case demonstrates the use of cardiac CT angiography as part of the preoperative evaluation of a recurrent subaortic membrane in a 23-year-old women. A subaortic membrane is a rare finding on coronary CT angiography and typically consists of a thin fibrous membrane in the left ventricular outflow tract (LVOT). The resulting turbulent flow may lead to LVOT obstruction and aortic insufficiency.

Source: PubMed

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Keywords

cardiac CT angiography
 
left ventricular outflow tract
 
LVOT
 
LVOT obstruction
 
preoperative evaluation
 
rare
 
recurrent subaortic membrane
 
resulting turbulent flow
 
subaortic membrane
 
thin fibrous membrane