Infective Endocarditis Complicated by Intraventricular Abscesses, Pericarditis, and Mycotic Aneurysm Due to an Emerging Strain of Serotype VI Streptococcus agalactiae

Jpn J Infect Dis. 2017 Nov 22;70(6):685-686. doi: 10.7883/yoken.JJID.2017.196. Epub 2017 Oct 31.

Abstract

An increasing number of invasive infections due to Streptococcus agalactiae in non-pregnant adults have been reported. We report a case of infective endocarditis complicated by intraventricular abscesses, pericarditis, and mycotic aneurysm due to S. agalactiae belonging to ST681 with a capsular serotype VI in a woman with diabetes. The patient also had a myocardial infarction and was treated with percutaneous coronary intervention, pericardiocentesis, and 6 weeks of antibiotic treatment. Invasive infections due to serotype VI S. agalactiae are common in Asian countries such as Taiwan and Japan, so continuous monitoring of invasive S. agalactiae strains is warranted.

Keywords: Streptococcus agalactiae; infective endocarditis; mycotic aneurysm; myocardial abscess; pericarditis.

Publication types

  • Case Reports

MeSH terms

  • Abscess / diagnosis
  • Abscess / drug therapy
  • Abscess / etiology*
  • Aneurysm, Infected / diagnosis
  • Aneurysm, Infected / drug therapy
  • Aneurysm, Infected / etiology*
  • Anti-Bacterial Agents / therapeutic use
  • Bacterial Typing Techniques
  • Endocarditis, Bacterial / complications*
  • Endocarditis, Bacterial / diagnosis
  • Endocarditis, Bacterial / drug therapy
  • Endocarditis, Bacterial / microbiology*
  • Female
  • Humans
  • Middle Aged
  • Pericarditis / diagnosis
  • Pericarditis / drug therapy
  • Pericarditis / etiology*
  • Streptococcal Infections / complications*
  • Streptococcal Infections / diagnosis
  • Streptococcal Infections / drug therapy
  • Streptococcal Infections / microbiology*
  • Streptococcus agalactiae* / classification
  • Streptococcus agalactiae* / genetics
  • Tomography, X-Ray Computed
  • Treatment Outcome

Substances

  • Anti-Bacterial Agents