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      Dynamic Left-Ventricular Tract Outflow Obstruction: A Late Complication of Mitral Valve Replacement

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          Abstract

          The case presented is a 47-year-old woman with left-ventricular outflow tract obstruction which was the late complication of mitral valve replacement (4 years later). The diagnosis was made using two-dimensional Doppler echocardiography (echo-2D Doppler) and confirmed by cardiac catheterization. Protrusion of the prosthetic ring towards the intraventricular septum reducing the diameter of the outflow tract to 7-8 mm and creating a dynamic obstruction (30 mm Hg on cardiac catheterization, and 44 and 75 mm Hg on echo-2D Doppler basally and after isoamyl nitrite inhalation, respectively) was recorded. The echo-2D Doppler technique appears to be useful in detecting this postsurgical mitral complication.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1990
          1990
          12 November 2008
          : 77
          : 6
          : 466-471
          Affiliations
          Cattedra di Cardiologia, Università degli Studi di Parma, Italia
          Article
          174639 Cardiology 1990;77:466–471
          10.1159/000174639
          2073663
          © 1990 S. Karger AG, Basel

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          Page count
          Pages: 6
          Categories
          Case Report

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