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Current strategies and future directions for the prevention of transfusion-transmitted cytomegalovirus

Authors Harmon CM, Cooling LL

Received 21 January 2017

Accepted for publication 23 March 2017

Published 27 April 2017 Volume 2017:5 Pages 49—59


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Cees Th. Smit Sibinga

Charles M Harmon, Laura L Cooling

Department of Pathology, University of Michigan, Ann Arbor, MI, USA

Abstract: Cytomegalovirus (CMV) is a pervasive DNA virus that infects a significant portion of individuals worldwide, and may be transmitted through the transfusion of blood products. Although CMV infection is of little consequence in immunocompetent individuals, patients with an impaired immune system are at risk of significant morbidity and mortality. Unlike other blood-borne infectious agents, it is impractical to defer all CMV-positive individuals from blood donation as this would exclude a substantial number of otherwise eligible donors. Other methods such as transfusion of CMV-seronegative and leukoreduced blood products must be employed to prevent the transmission of CMV to at-risk patients. In this study, the widespread use of current strategies for the prevention of transfusion-transmitted CMV (TT-CMV) infection and the evidence to support these methods in various at-risk groups were reviewed. In addition, emerging pathogen inactivation technologies that have the potential to eliminate TT-CMV were also discussed.

Keywords: blood transfusion, cytomegalovirus, leukoreduction, pathogen inactivation, hematopoietic stem cell transplantation, very low birth weight infants

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