Massively dilated right atrium masquerading as a mediastinal tumor

  • Thomas Schroeter | thomas-schroeter@gmx.de Heart Center Leipzig University of Leipzig Department of Cardiac Surgery, Germany.
  • Nicolas Doll Department of Cardiac Surgery, Sana Heart Center Stuttgart, Germany, Germany.
  • Sreekumar Subramanian Department of Cardiac Surgery, University of Leipzig, Heart Center, Germany.
  • Friedrich W. Mohr Department of Cardiac Surgery, University of Leipzig, Heart Center, Germany.
  • Michael A. Borger Department of Cardiac Surgery, University of Leipzig, Heart Center, Germany.

Abstract

Severe tricuspid valve insufficiency causes right atrial dilatation, venous congestion, and reduced atrial contractility, and may eventually lead to right heart failure. We report a case of a patient with severe tricuspid valve insufficiency, right heart failure, and a massively dilated right atrium. The enormously dilated atrium compressed the right lung, resulting in a radiographic appearance of a mediastinal tumor. Tricuspid valve repair and reduction of the right atrium was performed. Follow up examination revealed improvement of liver function, reduced peripheral edema and improved New York Heart Association (NYHA) class. The reduction of the atrial size and repair of the tricuspid valve resulted in a restoration of the conduit and reservoir function of the right atrium. Given the chronicity of the disease process and the long-standing atrial fibrillation, there is no impact of this operation on right atrial contraction. In combination with the reconstruction of the tricuspid valve, the reduction atrioplasty will reduce the risk of thrombembolic events and preserve the right ventricular function.

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Author Biography

Thomas Schroeter, Heart Center Leipzig University of Leipzig Department of Cardiac Surgery

Heart Center Leipzig

Department of Cardiac Surgery

Cardiac Surgeon

Staff Surgeon

Published
2011-04-14
Section
Case Reports
Keywords:
right atrium, mediastinal tumor, tricuspid valve insufficiency.
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How to Cite
Schroeter, T., Doll, N., Subramanian, S., Mohr, F., & Borger, M. (2011). Massively dilated right atrium masquerading as a mediastinal tumor. Clinics and Practice, 1(1), e20. https://doi.org/10.4081/cp.2011.e20