The clinical use of various blood compartments for cytomegalovirus (CMV) DNA quantitation in transplant recipients with CMV disease

Raymund R Razonable, Robert A. Brown, Jennie Wilson, Cynthia Groettum, Walter K Kremers, Mark Espy, Thomas F. Smith, Carlos V. Paya

Research output: Contribution to journalArticle

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Abstract

Background. The quantitation of cytomegalovirus (CMV) DNA is a cornerstone in the management of CMV disease in transplant recipients. However, a consensus as to what is the optimal blood compartment for the detection and quantitation of CMV DNA in peripheral blood is nonexistent. Methods. With an automated quantitative assay, we have simultaneously quantified the CMV DNA load in whole blood (WB), plasma (PL), peripheral blood leukocytes (PBL), and peripheral blood mononuclear cells (PBMC) in 319 samples from 17 transplant recipients with 19 episodes of CMV disease that were treated with 2 weeks of intravenous ganciclovir. Results. Higher levels of CMV DNA were observed in WB than PL (PL minus WB mean difference, 0.67 log; 95% confidence interval, -1.02 to -0.32; P=0.0009). This observation was most evident before treatment with intravenous ganciclovir (pretreatment geometric mean CMV DNA was 45,412 copies per ml of WB vs. 14,995 copies per ml of PL). In contrast, the CMV DNA levels between PBL and PBMC were highly comparable throughout the course of CMV disease and its treatment. Intravenous ganciclovir exerted a uniform effect on the four blood compartments with no statistically significant difference in the degree and rate of CMV DNA decline between WB and PL and between PBL and PBMC. Conclusions. Although our study demonstrates the adequacy of all blood compartments for CMV DNA quantification, the higher sensitivity of WB and its yield of higher CMV DNA render it an optimal sample for monitoring CMV DNA load during CMV disease in immunocompromised patients.

Original languageEnglish (US)
Pages (from-to)968-973
Number of pages6
JournalTransplantation
Volume73
Issue number6
StatePublished - Mar 27 2002

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Cytomegalovirus
DNA
Ganciclovir
Blood Cells
Leukocytes
Transplant Recipients
Immunocompromised Host
Disease Management
Confidence Intervals

ASJC Scopus subject areas

  • Transplantation
  • Immunology

Cite this

The clinical use of various blood compartments for cytomegalovirus (CMV) DNA quantitation in transplant recipients with CMV disease. / Razonable, Raymund R; Brown, Robert A.; Wilson, Jennie; Groettum, Cynthia; Kremers, Walter K; Espy, Mark; Smith, Thomas F.; Paya, Carlos V.

In: Transplantation, Vol. 73, No. 6, 27.03.2002, p. 968-973.

Research output: Contribution to journalArticle

Razonable, Raymund R ; Brown, Robert A. ; Wilson, Jennie ; Groettum, Cynthia ; Kremers, Walter K ; Espy, Mark ; Smith, Thomas F. ; Paya, Carlos V. / The clinical use of various blood compartments for cytomegalovirus (CMV) DNA quantitation in transplant recipients with CMV disease. In: Transplantation. 2002 ; Vol. 73, No. 6. pp. 968-973.
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abstract = "Background. The quantitation of cytomegalovirus (CMV) DNA is a cornerstone in the management of CMV disease in transplant recipients. However, a consensus as to what is the optimal blood compartment for the detection and quantitation of CMV DNA in peripheral blood is nonexistent. Methods. With an automated quantitative assay, we have simultaneously quantified the CMV DNA load in whole blood (WB), plasma (PL), peripheral blood leukocytes (PBL), and peripheral blood mononuclear cells (PBMC) in 319 samples from 17 transplant recipients with 19 episodes of CMV disease that were treated with 2 weeks of intravenous ganciclovir. Results. Higher levels of CMV DNA were observed in WB than PL (PL minus WB mean difference, 0.67 log; 95{\%} confidence interval, -1.02 to -0.32; P=0.0009). This observation was most evident before treatment with intravenous ganciclovir (pretreatment geometric mean CMV DNA was 45,412 copies per ml of WB vs. 14,995 copies per ml of PL). In contrast, the CMV DNA levels between PBL and PBMC were highly comparable throughout the course of CMV disease and its treatment. Intravenous ganciclovir exerted a uniform effect on the four blood compartments with no statistically significant difference in the degree and rate of CMV DNA decline between WB and PL and between PBL and PBMC. Conclusions. Although our study demonstrates the adequacy of all blood compartments for CMV DNA quantification, the higher sensitivity of WB and its yield of higher CMV DNA render it an optimal sample for monitoring CMV DNA load during CMV disease in immunocompromised patients.",
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