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Infections Post Transplant

Risk of cytomegalovirus infection after peripheral blood stem cell transplantation


From 1992 to 1995, 105 patients received PBSCT in our hospitals and we observed no incidence of CMV-pneumonia. To clarify whether activation of CMV occurs in these patients, shell vial cultures, CMV antigenemia and PCR (DNA-PCR and RT-PCR) were used as detection methods for CMV. Bronchoalveolar lavage (BAL) samples, MNC and PMN samples from peripheral blood leukocytes, and urine samples were taken from 17 patients on day 35 after PBSCT. CMV was detected in one urine specimen but not detected in any of the BAL, MNC or PMN specimens by shell vial culture. CMV antigenemia provided no positive data. Nine of the 74 samples taken from the 17 patients proved positive by DNA-PCR, but all CMV-mRNA results were negative by RT-PCR. We performed CMV antigenemia and PCR on MNC and PMN specimens from six patients every 1 to 2 weeks after transplantation to determine whether and when CMV was activated. Two patients tested positive transiently by DNA-PCR but negative throughout by both antigenemia and RT-PCR. These results suggest that the risk of CMV infection is low because the incidence of CMV activation in patients receiving PBSCT is low.

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Sakuma, H., Hosoya, M., Kanno, H. et al. Risk of cytomegalovirus infection after peripheral blood stem cell transplantation. Bone Marrow Transplant 19, 49–53 (1997).

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  • CMV
  • interstitial pneumonia
  • antigenemia assay
  • shell vial culture method
  • RT-PCR method

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