PMID: 11930994Apr 5, 2002Paper

Detection of cytomegalovirus in infant cerebrospinal fluid by conventional PCR, nested PCR and PCR-Digene

Acta Microbiologica Polonica
M KapustaG Błaszczyk

Abstract

The possibility of amplification of human cytomegalovirus (HCMV) DNA in cerebrospinal fluid (CSF) for the diagnosis of HCMV central nervous system (CNS) infection in infants was studied. Single-step PCR, nested PCR and PCR-Digene were used to assay CSF specimens from 37 patients. Criteria for patient inclusion in the study were: 1. clinical manifestations suggesting CMV neuroinfection such as seizures, hypertonia, hypotonia, intracranial calcification, microcephaly, chorioretinitis; 2. any of the following symptoms: anaemia, hepetomegaly, prolonged cholestatic jaundice, or hepatitis, splenomegaly, thrombocytopenia, intrauterine hypotrophy; 3. serologic presentation, and/or positive results for CMV infection obtained by single-step PCR and PCR-Digene in urine and/or blood. PCR-Digene results were positive in 6 CSF samples. Four CSF samples were positive by nested PCR and 1 CSF sample by single step PCR. We found that the double PCR was about ten or more times more sensitive than single PCR and the PCR-Digene was only three times more sensitive than nested-PCR. The results were correlated with serology. Thirty-three out of 37 examined patients were seropositive (ELISA IgG); ELISA IgM gave positive results in 9 patients. In contro...Continue Reading

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