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Yamaguchi K, Yamamoto H, Izutsu K, Yuasa M, Kaji D, Nishida A, Ishiwata K, Takagi S, Yamamoto G, Asano-Mori Y, Uchida N, Taniguchi S. Fatal outcome of BK virus encephalitis in an allogeneic stem cell transplantation recipient. J Infect Chemother 2024; 30:1166-1169. [PMID: 38514025 DOI: 10.1016/j.jiac.2024.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 03/15/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024]
Abstract
BK virus (BKV) encephalitis is a rare complication after hematopoietic stem cell transplantation (HSCT). A 43-year-old woman with recurrent follicular lymphoma after autologous HSCT received allogeneic bone marrow transplantation from a human leukocyte antigen-matched related donor. Neutrophil engraftment was achieved on post-transplant day 13. Memory loss and noncooperative attitude toward the medical staff were observed on day 16, and her mental status worsened progressively. Magnetic resonance imaging (MRI) showed nonspecific findings on day 19; however, cerebrospinal fluid (CSF) analysis including real-time polymerase chain reaction on day 20 revealed elevated levels of BKV 4.67 × 104 copy/mL. BKV encephalitis was diagnosed based on CSF findings, intravenous administration of immunoglobulin and cidofovir was started, and the immunosuppressive agent dose was reduced. Diffusion-weighted MRI on day 28 showed signal abnormalities in the bilateral periventricular white matter. Although the follow-up CSF analysis on day 35 was negative for BKV, her mental status and MRI findings did not improve, and she died on day 55 because of respiratory failure. This case emphasizes the importance of considering BKV encephalitis as a differential diagnosis of post-transplant encephalitis, considering the central nervous system-associated immune reconstitution inflammatory syndrome in patients with worsening central nervous system findings after eradication of BKV in the CSF.
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Affiliation(s)
| | | | - Koji Izutsu
- Department of Hematology, Toranomon Hospital, Tokyo, Japan
| | | | - Daisuke Kaji
- Department of Hematology, Toranomon Hospital, Tokyo, Japan
| | - Aya Nishida
- Department of Hematology, Toranomon Hospital, Tokyo, Japan
| | | | | | - Go Yamamoto
- Department of Hematology, Toranomon Hospital, Tokyo, Japan
| | | | - Naoyuki Uchida
- Department of Hematology, Toranomon Hospital, Tokyo, Japan
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Bush R, Johns F, Betty Z, Goldstein S, Horn B, Shoemaker L, Upadhyay K. BK virus encephalitis and end-stage renal disease in a child with hematopoietic stem cell transplantation. Pediatr Transplant 2020; 24:e13739. [PMID: 32412694 DOI: 10.1111/petr.13739] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/09/2020] [Accepted: 04/20/2020] [Indexed: 01/07/2023]
Abstract
BK virus encephalitis after HSCT is uncommon. Several reports of native kidney BKVN in patients with HSCT, hematologic malignancies, human immunodeficiency virus infection, and non-renal solid organ transplantation have been described. However, an uncommon combination of BK encephalitis and ESRD of native kidneys secondary to BK virus in a child with HSCT has not been described. We report a 10-year-old boy who presented with a gradually rising serum creatinine during treatment for severe autoimmune hemolytic anemia, which he developed 9 months after receiving an allogeneic HSCT for aplastic anemia. There was no proteinuria or hematuria present. Serum BK virus load was 5 × 106 copies/mL. A renal biopsy showed evidence of BKVN. He developed fever, seizures, and confusion, and the (CSF) showed significant presence of the BK virus (1 × 106 copies/mL) along with biochemical evidence of viral encephalitis. Cerebrospinal fluid cultures were negative. Despite significant clinical symptoms and presence of BK virus in CSF, the magnetic resonance brain imaging findings were minimal. With reduction of immunosuppression, there was resolution of BK encephalitis but BKVN remained resistant to multiple anti-BK virus agents, including leflunomide and cidofovir. He eventually became dialysis-dependent and, 6 years later, received a renal transplant from his mother. This case illustrates that BK virus in severely immunocompromised HSCT recipient may lead to BK encephalitis and BKVN of native kidneys, even without hemorrhagic cystitis, leading to ESRD. Knowledge of such is important for appropriate timely evaluation and management.
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Affiliation(s)
- Rachel Bush
- Division of Pediatric Nephrology, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Felicia Johns
- Division of Pediatric Nephrology, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Zachary Betty
- Division of Pediatric Nephrology, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Steven Goldstein
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, USA
| | - Biljana Horn
- Division of Pediatric Hematology-Oncology, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Lawrence Shoemaker
- Division of Pediatric Nephrology, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Kiran Upadhyay
- Division of Pediatric Nephrology, Department of Pediatrics, University of Florida, Gainesville, FL, USA
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Abstract
BK polyomavirus (BKV) causes frequent infections during childhood and establishes persistent infections within renal tubular cells and the uroepithelium, with minimal clinical implications. However, reactivation of BKV in immunocompromised individuals following renal or hematopoietic stem cell transplantation may cause serious complications, including BKV-associated nephropathy (BKVAN), ureteric stenosis, or hemorrhagic cystitis. Implementation of more potent immunosuppression and increased posttransplant surveillance has resulted in a higher incidence of BKVAN. Antiviral immunity plays a crucial role in controlling BKV replication, and our increasing knowledge about host-virus interactions has led to the development of improved diagnostic tools and clinical management strategies. Currently, there are no effective antiviral agents for BKV infection, and the mainstay of managing reactivation is reduction of immunosuppression. Development of immune-based therapies to combat BKV may provide new and exciting opportunities for the successful treatment of BKV-associated complications.
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Trang VD, Rockett R, Jeoffreys N, Trung NV, Hai An HP, Kok J, Dwyer DE. BK polyomavirus: a review of the virology, pathogenesis, clinical and laboratory features, and treatment. Future Virol 2017. [DOI: 10.2217/fvl-2017-0013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BK polyomavirus (BKPyV) is a non-enveloped, circular dsDNA virus with a genome of approximately 5100 base pairs. It can be divided into four major genotypes, but the effects of different genotypes on clinical disease are uncertain. Primary BKPyV infection is generally acquired asymptomatically in childhood. It establishes low-level persistence in many tissues, particularly the genitourinary tract. Reactivation can lead to severe disease including BKPyV-associated nephropathy confirmed by renal biopsy, hemorrhagic cystitis and meningoencephalitis. Nucleic acid amplification testing of blood and urine is the main diagnostic and prognostic test for BKPyV infection. The treatment of BKPyV infection has concentrated on reduction in immunosuppressive therapy. Recent studies suggest that antiviral drugs have demonstrated only modest benefit, but adoptive T-cell therapies offer potential advances.
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Affiliation(s)
- Van Dinh Trang
- Clinical Laboratory, National Hospital of Tropical Diseases, 78-Giai Phong, Dong Da, Hanoi, Vietnam
- Western Clinical School, Westmead Hospital, The University of Sydney, NSW 2006, Australia
| | - Rebecca Rockett
- Center for Infectious Diseases & Microbiology Laboratory Services, Institute of Clinical Pathology & Medical Research, NSW Health Pathology, Westmead Hospital, Westmead NSW 2145, Australia
| | - Neisha Jeoffreys
- Center for Infectious Diseases & Microbiology Laboratory Services, Institute of Clinical Pathology & Medical Research, NSW Health Pathology, Westmead Hospital, Westmead NSW 2145, Australia
| | - Nguyen Vu Trung
- Clinical Laboratory, National Hospital of Tropical Diseases, 78-Giai Phong, Dong Da, Hanoi, Vietnam
- Department of Medical Microbiology, Hanoi Medical University, No. 1 Ton That Tung St, Dong Da, Hanoi, Vietnam
| | - Ha Phan Hai An
- Department of International Cooperation, Hanoi Medical University, No. 1 Ton That Tung St, Dong Da, Hanoi, Vietnam
- Kidney Diseases & Dialysis Department, Viet Duc Hospital, No. 40 Trang Thi St, Hoan Kiem, Hanoi, Vietnam
| | - Jen Kok
- Center for Infectious Diseases & Microbiology Laboratory Services, Institute of Clinical Pathology & Medical Research, NSW Health Pathology, Westmead Hospital, Westmead NSW 2145, Australia
| | - Dominic E Dwyer
- Western Clinical School, Westmead Hospital, The University of Sydney, NSW 2006, Australia
- Center for Infectious Diseases & Microbiology Laboratory Services, Institute of Clinical Pathology & Medical Research, NSW Health Pathology, Westmead Hospital, Westmead NSW 2145, Australia
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Bourlon C, Alamoudi S, Kumar D, Viswabandya A, Thyagu S, Michelis FV, Kim DDH, Lipton JH, Messner HA, Deotare U. A short tale of blood, kidney and brain: BK virus encephalitis in an allogeneic stem cell transplant recipient. Bone Marrow Transplant 2017; 52:907-909. [PMID: 28218753 DOI: 10.1038/bmt.2017.18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- C Bourlon
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - S Alamoudi
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - D Kumar
- Transplant Infectious Diseases, University Health Network, Toronto, Canada
| | - A Viswabandya
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - S Thyagu
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - F V Michelis
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - D D-H Kim
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - J H Lipton
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - H A Messner
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - U Deotare
- Allogeneic Blood and Marrow Transplant Program, Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
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Jun JB, Choi Y, Kim H, Lee SH, Jeong J, Jung J. BK polyomavirus encephalitis in a patient with thrombotic microangiopathy after an allogeneic hematopoietic stem cell transplant. Transpl Infect Dis 2016; 18:950-953. [PMID: 27696719 DOI: 10.1111/tid.12620] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 07/19/2016] [Accepted: 07/25/2016] [Indexed: 11/29/2022]
Abstract
To date, only one case of BK polyomavirus (BKPyV) encephalitis combined with transplant-associated thrombotic microangiopathy has been reported in an hematopoietic stem cell transplantation (HCT) recipient. We report the case of an HCT recipient who developed thrombotic microangiopathy and subsequent BKPyV encephalitis. She died despite treatment with cidofovir, ciprofloxacin, and intravenous immunoglobulin without improvement in mental status. Early suspicion of BKPyV encephalitis in an HCT recipient presenting with altered mental status and hemorrhagic cystitis is important.
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Affiliation(s)
- Jae-Bum Jun
- Division of Infectious Diseases, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Yunsuk Choi
- Division of Hematology and Cellular Therapy, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Hawk Kim
- Division of Hematology and Cellular Therapy, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Sun Ho Lee
- Department of Laboratory Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Joseph Jeong
- Department of Laboratory Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Jiwon Jung
- Division of Infectious Diseases, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
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Abstract
PURPOSE OF REVIEW This article describes recent advances in the diagnosis and management of encephalitis in immunocompromised individuals. RECENT FINDINGS Herpes simplex virus (HSV) and varicella zoster virus (VZV) are common causes of encephalitis in immunocompromised individuals, although clinical manifestations may be atypical, and thus challenging to recognize. Recently, an increased incidence of HSV and VZV central nervous system infections has been reported in association with novel immunosuppressive and immunomodulatory treatments. The free-living ameba Balamuthia mandrillaris causes granulomatous encephalitis predominantly in immunocompromised individuals and is associated with nearly uniform fatality. In the setting of organ transplantation, the recipient's immunocompromised state along with the potential for donor-transmitted infections can result in a unique epidemiology of encephalitis, including infection by human herpes virus-6 and BK virus. Recent studies utilizing next-generation sequencing techniques have identified several pathogens, including Leptospira santarosai and a neurotropic astrovirus, as causes of encephalitis in immunocompromised individuals. SUMMARY Diagnosis and management of encephalitis is challenging in immunocompromised individuals, in part because of atypical clinical presentations and the presence of uncommon or novel infectious agents. Unbiased techniques for pathogen discovery are likely to play an increasing role in the diagnosis of central nervous system infections in immunocompromised individuals.
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