open access

Vol 10, No 1 (2015)
Case Reports
Published online: 2015-03-02
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Infective endocarditis caused by Streptococcus anginosus presenting with dehiscence of aortic valve and mitral vegetation in patient with bioprosthetic valves

Piotr J. Stryjewski, Agnieszka Kuczaj, Ewa Nowalany-Kozielska, Jadwiga Nessler
DOI: 10.5603/FC.2015.0007
·
Folia Cardiologica 2015;10(1):45-47.

open access

Vol 10, No 1 (2015)
Case Reports
Published online: 2015-03-02

Abstract

Infective endocarditis (IE) is defined as an infection of the endocardial surface of the heart, which may include one or more heart valves. Its intracardiac effects include severe valvular insufficiency, which may lead to intractable congestive heart failure. It is estimated that mortality reaches approximately 15% in previously normal native heart valves and equals 60% in artificial heart valves infections. Taking into account the above mentioned fact, every patient after valve surgery needs special attention to prevent infections. It is not a rare case that formally trivial infection causes drastic consequences leading to repeated cardiac surgery. We present a case of patient with prosthetic mitral and aortic valves, in which prior subclinical infection with Streptococcus anginosus led to severe mitral valve regurgitation with the coexisting mitral valve vegetation and a concomitant paravalvular aortic leak.

Abstract

Infective endocarditis (IE) is defined as an infection of the endocardial surface of the heart, which may include one or more heart valves. Its intracardiac effects include severe valvular insufficiency, which may lead to intractable congestive heart failure. It is estimated that mortality reaches approximately 15% in previously normal native heart valves and equals 60% in artificial heart valves infections. Taking into account the above mentioned fact, every patient after valve surgery needs special attention to prevent infections. It is not a rare case that formally trivial infection causes drastic consequences leading to repeated cardiac surgery. We present a case of patient with prosthetic mitral and aortic valves, in which prior subclinical infection with Streptococcus anginosus led to severe mitral valve regurgitation with the coexisting mitral valve vegetation and a concomitant paravalvular aortic leak.

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Keywords

infective endocarditis, Streptococcus anginosus, bioprosthetic valves

About this article
Title

Infective endocarditis caused by Streptococcus anginosus presenting with dehiscence of aortic valve and mitral vegetation in patient with bioprosthetic valves

Journal

Folia Cardiologica

Issue

Vol 10, No 1 (2015)

Pages

45-47

Published online

2015-03-02

DOI

10.5603/FC.2015.0007

Bibliographic record

Folia Cardiologica 2015;10(1):45-47.

Keywords

infective endocarditis
Streptococcus anginosus
bioprosthetic valves

Authors

Piotr J. Stryjewski
Agnieszka Kuczaj
Ewa Nowalany-Kozielska
Jadwiga Nessler

References (6)
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  2. Woo PCY, Tse H, Chan Km, et al. "Streptococcus milleri" endocarditis caused by Streptococcus anginosus. Diagn Microbiol Infect Dis. 2004; 48(2): 81–88.
  3. Krecki R, Drozdz J, Ibata G, et al. Clinical profile, prognosis and treatment of patients with infective endocarditis--a 14-year follow-up study. Pol Arch Med Wewn. 2007; 117(11-12): 512–520.
  4. Fowler VG, Michael SW, Bayer AS. Endocarditis and intravascular infections. In: Mandell GL, Bennett JE, Dolin R. ed. Mandell, Douglas and Bennett’s Principles and Practice of Infectious Diseases. 6 th edition. Volume 1. Churchill Livingstone, Philadelphia 2005: 988–989.
  5. Pibarot P, Dumesnil JG. Prosthetic heart valves: selection of the optimal prosthesis and long-term management. Circulation. 2009; 119(7): 1034–1048.
  6. Ruoff KL. Streptococcus anginosus ("Streptococcus milleri"): the unrecognized pathogen. Clin Microbiol Rev. 1988; 1(1): 102–108.

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