An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic Aneurysm

A 70-year-old male with a complex past medical history presents with confusion and slurred speech for 24 hours. His exam was unremarkable, and his CT head was negative. Both his C-reactive protein and white blood cell count were elevated. As part of the delirium workup, blood cultures were done whic...

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Main Authors: Ali Someili, Anjali Shroff
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Case Reports in Infectious Diseases
Online Access:http://dx.doi.org/10.1155/2019/3035494
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author Ali Someili
Anjali Shroff
author_facet Ali Someili
Anjali Shroff
author_sort Ali Someili
collection DOAJ
description A 70-year-old male with a complex past medical history presents with confusion and slurred speech for 24 hours. His exam was unremarkable, and his CT head was negative. Both his C-reactive protein and white blood cell count were elevated. As part of the delirium workup, blood cultures were done which grew Streptococcus pyogenes with no obvious source. He was treated with appropriate antibiotics. To determine the source, a white blood cell scan was done, which showed increased localization within a left-sided upper mediastinum mass. Subsequently, chest CT scan with contrast showed an acute type B aortic dissection with mycotic aneurysm. Consequently, he was taken urgently for surgical management. He completed 6 weeks of penicillin G and was discharged to a rehabilitation center. This case illustrates both a rare entity, mycotic aneurysm secondary to Streptococcus pyogenes, and the importance of getting an Infectious Diseases consult in the setting of an unknown source of bacteremia.
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spelling doaj-art-aad52b51e6f74bd1bd83a3c979fbeed22025-02-03T05:46:06ZengWileyCase Reports in Infectious Diseases2090-66252090-66332019-01-01201910.1155/2019/30354943035494An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic AneurysmAli Someili0Anjali Shroff1Department of Medicine, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, CanadaDivision of Infectious Diseases, Department of Medicine, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, CanadaA 70-year-old male with a complex past medical history presents with confusion and slurred speech for 24 hours. His exam was unremarkable, and his CT head was negative. Both his C-reactive protein and white blood cell count were elevated. As part of the delirium workup, blood cultures were done which grew Streptococcus pyogenes with no obvious source. He was treated with appropriate antibiotics. To determine the source, a white blood cell scan was done, which showed increased localization within a left-sided upper mediastinum mass. Subsequently, chest CT scan with contrast showed an acute type B aortic dissection with mycotic aneurysm. Consequently, he was taken urgently for surgical management. He completed 6 weeks of penicillin G and was discharged to a rehabilitation center. This case illustrates both a rare entity, mycotic aneurysm secondary to Streptococcus pyogenes, and the importance of getting an Infectious Diseases consult in the setting of an unknown source of bacteremia.http://dx.doi.org/10.1155/2019/3035494
spellingShingle Ali Someili
Anjali Shroff
An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic Aneurysm
Case Reports in Infectious Diseases
title An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic Aneurysm
title_full An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic Aneurysm
title_fullStr An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic Aneurysm
title_full_unstemmed An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic Aneurysm
title_short An Unusual Case of Streptococcus pyogenes Causing Ruptured Aortic Mycotic Aneurysm
title_sort unusual case of streptococcus pyogenes causing ruptured aortic mycotic aneurysm
url http://dx.doi.org/10.1155/2019/3035494
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