Infections with persistent viruses such as herpesviruses have become of significant clinical importance with the increasing number of immunocompromized patients at risk to suffer from severe disease. As antiviral chemotherapy is available for herpesvirus infections, the diagnostic methods for rapid and sensitive detection of symptomatic infection have been developed and recently refined. In human cytomegalovirus (HCMV), the use of recombinant viral antigens provides a rationale to improve serological assays. This may be of use for the discrimination of primary versus secondary infection. Early diagnosis of symptomatic HCMV infection in immuno-suppressed patients can be most effectively achieved by the detection of a viral tegument protein, pp65, in peripheral blood leukocytes. This early diagnosis has been shown to be of major importance for the effective treatment of these patients. HCMV infection in solid organs can be demonstrated by immunohistochemistry using monoclonal antibodies against viral proteins. HCMV involvement in diseases of the central nervous system in AIDS patients can be verified by the detection of very small amounts of HCMV DNA in cerebrospinal fluid by polymerase chain reaction. This method may prove useful for monitoring HCMV encephalitis and neuropathy.

Keywords:
Human cytomegalovirus, Antigenemia assay, Polymerase chain reaction, Primary infection, Recurrent infection
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© 1993 S. Karger AG, Basel
1993
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