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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Journal

Journal ID (publisher-id): CRD

Journal ID (nlm-ta): Cardiology

Journal ID (doi): 10.1159/issn.0008-6312

Title: Cardiology

Publisher: S. Karger AG

ISSN (Print): 0008-6312

ISSN (Electronic): 1421-9751

Publication date Subscription-year: 1990

Publication date (Print): 1990

Publication date (Electronic): 12 November 2008

Volume: 77

Issue: 6

Pages: 466-471

Affiliations

Cattedra di Cardiologia, Università degli Studi di Parma, Italia

Article

Publisher ID: 174639 Other ID: Cardiology 1990;77:466–471

DOI: 10.1159/000174639

PubMed ID: 2073663

SO-VID: 33c94d10-823f-4861-8aae-c0c9abe1439e

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History

Date received : 03 September 1989

Date accepted : 22 February 1990

Page count

Pages: 6

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