Cytomegalovirus quantitation by real-time PCR is unaffected by delayed separation of plasma from whole blood

J Clin Microbiol. 2004 Mar;42(3):1296-7. doi: 10.1128/JCM.42.3.1296-1297.2004.

Abstract

A previous study suggested that delayed sample preparation can cause a false-positive plasma cytomegalovirus (CMV) PCR. We evaluated 78 samples submitted for CMV testing, and we report that a 24-h delay in plasma separation did not affect viral quantitation by real-time PCR. Laboratories should evaluate specimen handling requirements for their own PCR technology.

MeSH terms

  • Blood Specimen Collection / methods
  • Computer Systems
  • Cytomegalovirus / genetics
  • Cytomegalovirus / isolation & purification*
  • Cytomegalovirus Infections / blood
  • Cytomegalovirus Infections / diagnosis*
  • Cytomegalovirus Infections / virology
  • DNA, Viral / blood*
  • DNA, Viral / isolation & purification
  • Drug Stability
  • Humans
  • Polymerase Chain Reaction / methods*
  • Reproducibility of Results

Substances

  • DNA, Viral