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Isolated mitral valve endocarditis with ring abscess and pericarditis in end-stage renal disease

William Ryan Sovic1, Quynh Ngo1, Srikant Patlolla1

  • 1Department of Internal Medicine, Baylor University Medical Center, Dallas, Texas.

Proceedings (Baylor University. Medical Center)
|May 6, 2021
PubMed

Insights

A man with kidney failure developed methicillin-sensitive Staphylococcus aureus endocarditis. This infection caused a rare mitral valve ring abscess that ruptured, leading to pericardial effusion.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Nephrology

Background:

  • Infective endocarditis is a serious infection of the heart valves.
  • End-stage renal disease (ESRD) patients on hemodialysis have an increased risk of infective endocarditis.
  • Mitral valve endocarditis with ring abscess is less common than aortic valve involvement.

Observation:

  • A 68-year-old male patient undergoing hemodialysis for ESRD presented with infective endocarditis.
  • The patient was diagnosed with methicillin-sensitive Staphylococcus aureus (MSSA) endocarditis.
  • An associated mitral valve ring abscess was identified, extending into the left atrioventricular sulcus.

Findings:

  • The mitral valve ring abscess ruptured into the pericardial space.
  • This rupture resulted in the development of pericardial effusion.
  • The case highlights an uncommon complication of MSSA endocarditis in a hemodialysis patient.

Implications:

  • This case underscores the importance of considering uncommon complications in patients with end-stage renal disease and infective endocarditis.
  • Early recognition and management of ring abscesses and their sequelae are crucial for patient outcomes.
  • Further research may elucidate specific risk factors and optimal treatment strategies for mitral valve ring abscesses in this population.
Keywords:
Infective endocarditismitral valvering abscess

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