Case Report


Prosthetic valve endocarditis complicated by an annuloplasty ring abscess due to Escherichia coli treated with antimicrobials only

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1 Tertiary Emergency Medical Center, Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan

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Hiroshi Shimizu

4-23-15 Kotobashi, Sumida-ku, Tokyo 130-8575,

Japan

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Article ID: 101254Z01HS2021

doi: 10.5348/101254Z01HS2021CR

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How to cite this article

Shimizu H, Sugiyama K, Hamabe Y. Prosthetic valve endocarditis complicated by an annuloplasty ring abscess due to Escherichia coli treated with antimicrobials only. Int J Case Rep Images 2021;12:101254Z01HS2021.

ABSTRACT


Introduction: Prosthetic valve endocarditis caused by Escherichia coli is a rare disease. Because an abscess is a common complication of infective endocarditis (IE), most patients require surgical treatment in addition to antimicrobial treatment. We reported a patient with prosthetic valve endocarditis due to E. coli complicated by annuloplasty ring abscess and was treated with antimicrobials only, without surgical intervention.

Case Report: A 72-year-old man was brought to our hospital with consciousness disorder. He had prosthetic valve endocarditis due to E. coli complicated by annuloplasty ring abscess, with bilateral thalamic and brainstem infarcts. He was treated with antimicrobials and regular echocardiography. Vegetation and abscess decreased gradually with antimicrobials only, without surgical intervention. Antimicrobial treatment was completed in eight weeks, on day 57, he was transferred to the family hospital for rehabilitation.

Conclusion: Prosthetic valve endocarditis caused by E. coli often has an abscess. It is possible to treat it with antimicrobials alone if it is monitored closely with echocardiography in the ICU.

Keywords: Abscess, Antimicrobials, Endocarditis, Escherichia coli

SUPPORTING INFORMATION


Author Contributions

Hiroshi Shimizu - Substantial contributions to conception and design, Drafting the article, Final approval of the version to be published

Kazuhiro Sugiyama - Substantial contributions to conception and design, Drafting the article, Final approval of the version to be published

Yuichi Hamabe - Substantial contributions to conception and design, Drafting the article, Final approval of the version to be published

Guarantor of Submission

The corresponding author is the guarantor of submission.

Source of Support

None

Consent Statement

Written informed consent was obtained from the patient for publication of this article.

Data Availability

All relevant data are within the paper and its Supporting Information files.

Conflict of Interest

Authors declare no conflict of interest.

Copyright

© 2021 Hiroshi Shimizu et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.