Histologic and in situ viral findings in the myocardium in cases of sudden, unexpected death

Adina M. Cioc, Gerard J. Nuovo

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75 Scopus citations

Abstract

The purpose of this study was to do in situ viral detection in myocardial tissues of individuals who suffered sudden unexpected death and to correlate the results with the postmortem histopathologic findings. Thirteen cases were identified and the heart tissues were analyzed for adenovirus, cytomegalovirus, Epstein Barr virus, herpes simplex virus 1 and 2, human immunodeficiency virus 1 (HIV-1), influenza A, influenza B, parvovirus, rotavirus, picornavirus (including separate primers for enterovirus and Coxsackie virus A and B), varicella zoster virus, and respiratory syncytial virus. Thirteen individuals aged 2 to 67 years were studied. In each case, polymerase chain reaction-amplified viral RNA was detected in situ: Coxsackie virus B (5 cases), rotavirus (4 cases), HIV-1 (2 cases), influenza A (1 case), and influenza B (1 case). Immunohistochemical detection of viral proteins was found in the five Coxsackie virus cases and four rotavirus cases. The mononuclear inflammatory infiltrate was diffuse and marked only in the cases of influenza A and HIV-1, as well as one of the Coxsackie virus and rotavirus cases, respectively. Immunohistochemical analysis showed that the most common cell type in the inflammatory infiltrates was CD68-positive macrophages. Direct myocyte infection was most prominent in the cases of Coxsackie virus infection. In summary, in situ viral detection was documented in each case of idiopathic myocarditis associated with sudden, unexpected death; in 6/13 cases, the myocarditis was focal and minimal. Although Coxsackie virus was, as expected, the most common virus noted, other viruses including rotavirus and HIV-1 were also observed, highlighting the need for comprehensive viral and histologic analyses in such cases.

Original languageEnglish (US)
Pages (from-to)914-922
Number of pages9
JournalModern Pathology
Volume15
Issue number9
DOIs
StatePublished - Sep 1 2002

Bibliographical note

Funding Information:
Copyright © 2001 by The United States and Canadian Academy of Pathology, Inc. VOL. 15, NO. 9, P. 914, 2001 Printed in the U.S.A. Date of acceptance: May 1, 2002. Supported by a grant from the Lewis Foundation (G.J.N.). Address reprint requests to: Gerard J. Nuovo, M.D., Department of Pathology, The Ohio State University Medical Center, S305E Rhodes Hall, 450 W 10th Avenue, Columbus, OH 43210; e-mail: gnuovomd@pol.net; fax: 614-293-4715.

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

  • Coxsackie
  • HIV-1
  • In situ
  • Myocarditis
  • PCR
  • Rotavirus

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