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Purulent pericarditis in a patient with community-acquired methicillin-resistant Staphylococcus aureus: a case report

Durga Shankar Meena1, Deepak Kumar2, Maya Gopalakrishnan1

  • 1MD, Department of General Medicine, All India Institute of Medical Sciences, Jodhpur, 342005, Rajasthan, India.

Germs
|November 2, 2020
PubMed
Abstract

Insights

Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) is a rare cause of purulent pericarditis, even without risk factors. Prompt diagnosis and treatment, including pericardiocentesis and antibiotics, are crucial for recovery.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Internal Medicine

Background:

  • The landscape of purulent pericarditis has shifted due to community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA).
  • MRSA-induced pericarditis is uncommon, particularly in individuals without typical risk factors such as immunosuppression or prior thoracic procedures.

Observation:

  • An 18-year-old male presented with fever, chest pain, and dyspnea.
  • Imaging revealed significant pericardial effusion; MRSA was identified in blood and pericardial fluid post-pericardiocentesis.

Findings:

  • The patient demonstrated clinical improvement with intravenous linezolid therapy.
  • Follow-up echocardiography at three months showed complete resolution of pericardial effusion and no signs of constrictive pericarditis.

Implications:

  • This case underscores that MRSA can cause pericarditis even in the absence of traditional risk factors.
  • Aggressive management, including pericardiocentesis and targeted antibiotic therapy, is vital for successful outcomes in MRSA pericarditis.
Keywords:
Pericardial effusioncommunity acquired infectionmethicillin-resistant Staphylococcus aureuspurulent pericarditis

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