Key result
A 64-year-old male presenting with acute decompensated heart failure and an ejection fraction of 10% was diagnosed with chronic Coxsackie B viral myocarditis.
Case Report (n=1)
This case highlights that chronic viral infections, such as Coxsackie B, remain an underappreciated cause of acute heart failure exacerbations and severe nonischemic cardiomyopathy.
A 64-year-old male with a history of congestive heart failure (CHF), coronary artery disease status post two stents in 2014, hypertension, and chronic kidney disease (CKD) stage III, was admitted for acute exacerbation of CHF. Treatment started with blood pressure control and high-dose diuretics. While the patient's volume status improved, his clinical status declined, and he required a dobutamine infusion. Cardiac catheterization revealed nonischemic cardiomyopathy. He was ultimately found to have myocarditis secondary to chronic Coxsackie B infection. A comprehensive investigation ruled out other potential etiologies. This case highlights how viruses continue to be an underappreciated cause of heart failure. Infectious agents should not be underestimated as several types of viral infections carry substantial cardiovascular risks, potentially leading to significant deterioration in decompensated patients.
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Rabat et al. (2022) conducted a case report in Heart Failure / Chronic Viral Myocarditis (n=1). Chronic Coxsackie B infection was evaluated. A 64-year-old male presenting with acute decompensated heart failure and an ejection fraction of 10% was diagnosed with chronic Coxsackie B viral myocarditis.
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