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Biol Blood Marrow Transplant. 2007 Sep;13(9):1106-15.

Cytomegalovirus infection after allogeneic transplantation: comparison of cord blood with peripheral blood and marrow graft sources.

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  • 1Division of Infectious Diseases, Department of Medicine, University of Minnesota, Minneapolis, Minnesota 55455-0250, USA.


Cytomegalovirus (CMV) infection is an important complication following allogeneic hematopoietic stem cell transplant (HSCT), but the natural history in the cord blood setting has not been well studied. We assessed CMV infection episodes in 753 consecutive allogeneic HSCT recipients at the University of Minnesota between January 1, 1998 and December 31, 2003. The 6-month cumulative incidence of viremia/antigenemia was 22% by day +182: 21% (95% confidence interval 16%-26%) in cord blood recipients (UCB), 24% (20%-28%) in marrow (BM), and 22% (16%-28%) using peripheral blood grafts (PBSC). CMV disease incidence was 6% (2%-10%) in UCB, 8% (5%-11%) in BM, and 9% (6%-12%) in PBSC. In multivariate analysis, CMV infection (viremia/antigenemia and disease) was significantly more likely in patients who were seropositive to CMV, in those with acute graft versus host disease, and in those receiving T cell-depleted grafts. Graft source did not independently contribute to the risk of CMV infection and did not impact survival after CMV infection. These data confirm that recipient CMV serostatus remains the dominant risk factor for CMV infection. Recipients of UCB have similar risks of CMV infection, responses to antiviral therapy, and survival following CMV infection as recipients of either marrow or PBSC.

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