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Coxsackie B4 viral myocarditis causing ventricular aneurysm

J Goudevenos1, G Parry, R G Gold

  • 1Regional Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne, U.K.

Insights

Viral myocarditis can lead to acute dilated cardiomyopathy and left ventricular aneurysm, even after recovery. This case highlights a rare complication of viral heart inflammation.

Area of Science:

  • Cardiology
  • Virology
  • Pathology

Background:

  • Viral myocarditis is an inflammation of the heart muscle caused by viral infections.
  • Acute dilated cardiomyopathy is a condition where the heart's main pumping chamber (left ventricle) becomes enlarged and weakened.

Observation:

  • A patient diagnosed with viral myocarditis presented with symptoms of acute dilated cardiomyopathy.
  • Despite clinical recovery from myocarditis, subsequent investigations revealed a significant complication.

Findings:

  • Angiographic examination confirmed the presence of a left ventricular aneurysm.
  • The patient had no history of heart attack (myocardial infarction) and normal coronary arteries.
  • This represents the first documented instance of a left ventricular aneurysm directly resulting from viral myocarditis.

Implications:

  • This case expands the known spectrum of complications associated with viral myocarditis.
  • It underscores the importance of long-term cardiovascular monitoring after viral-induced heart inflammation.
  • Further research may be needed to understand the mechanisms and long-term prognosis of viral myocarditis-induced aneurysms.

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