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BK Virus Screening and Management Following Kidney Transplantation: An Update | OMICS International | Abstract
ISSN: 2161-0991

Journal of Transplantation Technologies & Research
Open Access

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BK Virus Screening and Management Following Kidney Transplantation: An Update

Phuong-Thu Pham1*, Joanna Schaenman2 and Phuong-Chi Pham3

1Department of Medicine, Nephrology Division, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA

2Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA

3Department of Medicine, Nephrology and Hypertension Division, UCLA-Olive View Medical Center, Sylmar, CA 91342, USA

*Corresponding Author:
Phuong-Thu Pham
Department of Medicine
Nephrology Division
Kidney and Pancreas Transplant Program
David Geffen School of Medicine at UCLA
Los Angeles, CA 90095, USA
Tel: (310) 794-1757
E-mail: [email protected]

Received Date: November 26, 2012; Accepted Date: November 30, 2012; Published Date: December 03, 2012

Citation: Pham PT, Schaenman J, Pham PC (2012) BK Virus Screening and Management Following Kidney Transplantation: An Update. J Transplant Technol Res 2: e119. doi: 10.4172/2161-0991.1000e119

Copyright: © 2012 Pham PT, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


BK virus is a ubiquitous human virus with a peak incidence of primary infection in children 2-5 years of age and a seroprevalence rate of greater than 60-90% among the adult population worldwide. Following primary infection, BK virus preferentially establishes latency within the genitourinary tract and frequently reactivates in the setting of immunosuppression. In renal transplant recipients, BK virus is associated with a range of clinical syndromes including asymptomatic viruria with or without viremia, ureteral stenosis and obstruction, interstitial nephritis, and BK allograft nephropathy (BKN). BKN most commonly presents with an asymptomatic rise in serum creatinine between 2 to 60 months after engraftment (median 9 months). A definitive diagnosis requires an allograft biopsy. Over the last two decades, BKN has been recognized as an important cause of allograft dysfunction and graft loss in kidney transplant recipients. Nonetheless, there is currently no standardized protocol for the management of BK viremia or established BKN. In this article, a brief overview of the literature on the various treatment strategies for BK-associated clinical spectrum is presented followed by the authors’ suggested approach for posttransplant screening and monitoring for BK virus replication. Suggested treatment strategies are also discussed.


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