Association of cardiac infection with SARS-CoV-2 in confirmed COVID-19 autopsy cases

Diana Lindner, Antonia Fitzek, Hanna Brauninger, Ganna Aleshcheva, Caroline Edler, Kira Meissner, Katharina Scherschel, Paulus Kirchhof, Felicitas Escher, Heinz-Peter Schultheiss, Stefan S Blankenberg, Klaus Puschel, Dirk Westermann

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164 Citations (Scopus)
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Importance: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can be documented in various tissues, but the frequency of cardiac involvement as well as possible consequences are unknown. Objective: To evaluate the presence of SARS-CoV-2 in the myocardial tissue from autopsy cases and to document a possible cardiac response to that infection. Design, Setting, and Participants: This cohort study used data from consecutive autopsy cases from Germany between April 8 and April 18, 2020. All patients had tested positive for SARS-CoV-2 in pharyngeal swab tests. Exposures: Patients who died of coronavirus disease 2019. Main Outcomes and Measures: Incidence of SARS-CoV-2 positivity in cardiac tissue as well as CD3 +, CD45 +, and CD68 +cells in the myocardium and gene expression of tumor necrosis growth factor α, interferon γ, chemokine ligand 5, as well as interleukin-6, -8, and -18. Results: Cardiac tissue from 39 consecutive autopsy cases were included. The median (interquartile range) age of patients was 85 (78-89) years, and 23 (59.0%) were women. SARS-CoV-2 could be documented in 24 of 39 patients (61.5%). Viral load above 1000 copies per μg RNA could be documented in 16 of 39 patients (41.0%). A cytokine response panel consisting of 6 proinflammatory genes was increased in those 16 patients compared with 15 patients without any SARS-CoV-2 in the heart. Comparison of 15 patients without cardiac infection with 16 patients with more than 1000 copies revealed no inflammatory cell infiltrates or differences in leukocyte numbers per high power field. Conclusions and Relevance: In this analysis of autopsy cases, viral presence within the myocardium could be documented. While a response to this infection could be reported in cases with higher virus load vs no virus infection, this was not associated with an influx of inflammatory cells. Future investigations should focus on evaluating the long-term consequences of this cardiac involvement.

Original languageEnglish
Pages (from-to)1281-1285
JournalJAMA Cardiology
Issue number11
Early online date27 Jul 2020
Publication statusE-pub ahead of print - 27 Jul 2020

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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