Journal of Cardiovascular Computed Tomography
Volume 5, Issue 2 , Pages 127-128, March 2011

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

  • Richard Takx, BSc

      Affiliations

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

      Affiliations

    • Department of Radiology and Radiological Science, Medical University of South Carolina, 25 Courtenay Drive, MSC 226, Charleston, SC 29401, USA
    • Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
    • Corresponding Author InformationCorresponding author.
    • ,
  • Brad Friedman, MD

      Affiliations

    • Department of Pediatric Cardiology, Medical University of South Carolina, Charleston, SC, USA
    • ,
  • Anthony M. Hlavacek, MD

      Affiliations

    • Department of Pediatric Cardiology, Medical University of South Carolina, Charleston, SC, USA
    • ,
  • Thomas Henzler, MD

      Affiliations

    • Department of Radiology and Radiological Science, Medical University of South Carolina, 25 Courtenay Drive, MSC 226, Charleston, SC 29401, USA
    • Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany

Received 10 November 2010; accepted 4 January 2011. published online 21 January 2011.

Abstract 

This case demonstrates the use of cardiac CT angiography as part of the preoperative evaluation of a recurrent subaortic memebrane 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.

Keywords: Subaortic membrane, Cardiac CT, Left ventricular outflow tract (LOVT) obstruction

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 Conflict of interest: U.J.S. is a medical consultant for Bayer-Schering, Bracco, General Electric, Medrad, Siemens, and TeraRecon and receives research support from Bayer-Schering, Bracco, General Electric, Medrad, and Siemens. R.T., B.F., A.M.H., and T.H. report no conflicts of interest.

 Supplementary material for this article may be found at http://www.CardiacCTjournal.com.

PII: S1934-5925(11)00006-2

doi:10.1016/j.jcct.2011.01.004

Journal of Cardiovascular Computed Tomography
Volume 5, Issue 2 , Pages 127-128, March 2011

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