Abstract
Aortic valve aneurysm, an extremely rare complication secondary to infective endocarditis (IE), may cause heart failure due to rupture of the aneurysm. Coronavirus disease 2019 (COVID-19) has been reported to cause cardiovascular complications and alter susceptibility to secondary infections such as IE. Herein, we report a case of IE with a fatal outcome caused by rupture of an aortic valve aneurysm in a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-positive autopsy case. The patient was a 67-year-old male diagnosed with heart failure after presenting with edema and weight gain. He was found dead in bed 2 weeks after initial symptom presentation. Autopsy revealed an aneurysmal sac in the center of the noncoronary cusp of the aortic valve with an opening of approximately 1 cm in the center of the aneurysmal wall. Histologically, aortic valve vegetation, destruction of the aortic valve cusp, rupture of the aneurysmal wall, and an abscess under the aortic intima were observed. Gram staining of the aneurysmal wall showed a gram-positive coccus. The reverse transcription quantitative polymerase chain reaction assay was positive for SARS-CoV-2. Because no defined risk factors for IE other than SARS-CoV-2 infection were observed, the association between IE and COVID-19 was highly likely.
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