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Salevitz D, Mirea L, Grimsby GM. Risk factors for mortality in children with hemorrhagic cystitis after hematopoietic transplant. J Pediatr Urol 2024; 20:487.e1-487.e6. [PMID: 38413296 DOI: 10.1016/j.jpurol.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/15/2024] [Accepted: 02/13/2024] [Indexed: 02/29/2024]
Abstract
INTRODUCTION Hemorrhagic cystitis (HC) is a devastating complication of bone marrow (BMT) and stem cell transplant (SCT). Much of the literature has focused on exclusively adult patient populations, with limited evidence regarding risk factors for mortality and morbidity among pediatric HC patients. OBJECTIVE To examine factors associated with all-cause mortality in children with HC after BMT/SCT. METHODS The Pediatric Health Information System database was queried for patients with ICD-9/10 codes for hematopoietic transplant and gross hematuria, hematuria unspecified, or cystitis with hematuria. Multivariable logistic regression examined association of medical and surgical interventions frequently employed for hemorrhagic cystitis with mortality and genitourinary morbidity, defined as having received instillation of any bladder medication or having undergone any genitourinary procedure. RESULTS A total of 811 patients, mean age of 12.4 years and 62% male, were included. Primary diagnosis included 388 (49%) leukemia/lymphoma, 182 (22%) blood dyscrasia, 99 (12%) solid organ tumor, 27 (3%) metabolic disease, 115 (14%) unknown. Transplant type included 377 (46%) bone marrow, 329 (41%) stem cell, 105, and (13%) unknown. Performing any bladder instillation (p < 0.0001) or any type of GU procedure (p < 0.0001) was significantly associated with mortality. On multivariate analysis, dialysis (OR = 10.7, 95% CI = 5.7-20.2), genitourinary morbidity (OR = 4, 95% CI = 2.2-6.8) and intravenous cidofovir (OR = 2.0, 95% CI = 1.2-3.3) were significantly associated with all cause mortality. Having an underlying diagnosis of blood dyscrasia was protective against mortality (OR = 0.425, CI = 0.205-0.88). DISCUSSION In this large retrospective study evaluating factors associated with mortality in children with HC, all cause mortality was found to be 11%. This is probably an underrepresentation of true mortality in this population, as many patients discharged from the hospital likely die outside the hospital at home or hospice care. This study supports the current literature that invasive GU procedures are not associated with increased survival in patients with severe HC. This study is limited by retrospective use of a billing database that has the potential for errors in data entry and missing data. Patients who were discharged from the hospital were not captured by the PHIS which only collects data from inpatient stays. CONCLUSIONS Patients with HC who received dialysis, intravenous cidofovir, or underwent GU intervention had significantly higher all-cause mortality. High grade HC is a marker of disease severity and efforts should be made by urologists and oncologists to maximize quality of life and limit futile treatments in this patient population.
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Affiliation(s)
- Daniel Salevitz
- Mayo Clinic Arizona, Department of Urology, Phoenix, AZ, USA
| | - Lucia Mirea
- Phoenix Children's Hospital, Department of Research, Phoenix, AZ, USA.
| | - Gwen M Grimsby
- Phoenix Children's Hospital, Department of Urology, Phoenix, AZ, USA.
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Salevitz D, Grimsby G. Response to letter re "Risk factors for mortality in children with hemorrhagic cystitis after hematopoietic transplant". J Pediatr Urol 2024; 20:489-490. [PMID: 38561303 DOI: 10.1016/j.jpurol.2024.03.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Affiliation(s)
| | - Gwen Grimsby
- Phoenix Children's, Division of Urology, United States.
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Fujita A, Kobatake K, Fukushima T, Takemoto K, Miyamoto S, Kitano H, Ikeda K, Goto K, Hieda K, Karakawa S, Hayashi T, Teishima J, Hinata N. Successful treatment of BK virus‐associated severe hemorrhagic cystitis with bilateral single‐J ureteral stenting. IJU Case Rep 2022; 5:242-245. [PMID: 35795127 PMCID: PMC9249643 DOI: 10.1002/iju5.12445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/22/2022] [Indexed: 12/16/2022] Open
Abstract
Introduction BK virus‐associated hemorrhagic cystitis is a significant complication of hematopoietic stem cell transplantation. Although severe BK virus‐associated hemorrhagic cystitis is associated with treatment‐related mortality, sufficient evidence regarding its management is lacking. Case presentation A 14‐year‐old boy presented with BK virus‐associated hemorrhagic cystitis and bladder clot retention after hematopoietic stem cell transplantation. Various urological interventions failed to improve cystitis. While bladder clot retention frequently recurred, surgical intervention was difficult because of the underlying hematological disorder. Hence, bilateral single‐J ureteral stenting followed by Foley catheter placement was performed as a urinary diversion. The bladder clot completely disappeared 27 days after stenting. No additional procedure was required. BK virus‐associated hemorrhagic cystitis did not recur after the blood clot disappeared. Conclusion Bilateral single‐J ureteral stenting followed by Foley catheter placement is a simple and effective treatment method and should be considered before surgical intervention for severe BK virus‐associated hemorrhagic cystitis.
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Affiliation(s)
- Akira Fujita
- Department of Urology Hiroshima University Hospital Hiroshima Japan
| | - Kohei Kobatake
- Department of Urology Hiroshima University Hospital Hiroshima Japan
| | | | | | | | - Hiroyuki Kitano
- Department of Urology Hiroshima University Hospital Hiroshima Japan
| | - Kenichiro Ikeda
- Department of Urology Hiroshima University Hospital Hiroshima Japan
| | - Keisuke Goto
- Department of Urology Hiroshima University Hospital Hiroshima Japan
| | - Keisuke Hieda
- Department of Urology Hiroshima University Hospital Hiroshima Japan
| | - Shuhei Karakawa
- Department of Pediatrics Hiroshima University Hospital Hiroshima Japan
| | | | - Jun Teishima
- Department of Urology Hiroshima University Hospital Hiroshima Japan
| | - Nobuyuki Hinata
- Department of Urology Hiroshima University Hospital Hiroshima Japan
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Xie YX, Wang Y, Huang XJ, Xu LP, Zhang XH, Liu KY, Yan CH, Wang FR, Sun YQ, Kong J, Gao YQ, Shi HY, Liu DP, Cheng YF. [Clinical analysis of hemorrhagic cystitis in children and adolescents with hematological diseases post haplo-hematopoietic stem cell transplantation]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2019; 39:833-838. [PMID: 30369205 PMCID: PMC7348279 DOI: 10.3760/cma.j.issn.0253-2727.2018.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
目的 观察儿童及青少年血液病患者单倍型造血干细胞移植(haplo-HSCT)后出血性膀胱炎(HC)的临床特征并探讨其影响因素。 方法 回顾性分析2015至2016年接受haplo-HSCT的89例儿童及青少年血液病患者的临床资料。 结果 全部89例患者中,≤14岁62例(儿童组)、>14~<18岁27例(青少年组);男56例,女33例;中位移植年龄10(1~17)岁;急性淋巴细胞白血病(ALL)44例,急性髓系白血病(AML)33例,急性混合细胞白血病(AHL)3例,骨髓增生异常综合征(MDS)9例。移植物来源均为骨髓+外周血干细胞。全部89例患者中32例(36%)发生HC,其中迟发型31例,早发型1例;Ⅰ度6例、Ⅱ度16例、Ⅲ度8例、Ⅳ度2例;HC发病中位时间为移植后25(2~55)d,中位持续时间为19(3~95)d;所有患儿均获得治愈。儿童组HC发病率低于青少年组[27.4%(17/62)对55.6%(15/27),χ2=6.466,P<0.05]。儿童组中<5岁组HC发生率低于5~14岁组[0(0/12)对34%(17/50),χ2=4.043,P<0.05]。 结论 HC是儿童及青少年血液病患者haplo-HSCT的常见并发症,总体预后良好,年龄是其发生的影响因素。
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Affiliation(s)
- Y X Xie
- Institute of Hematology, People's Hospital, Peking University, Beijing 100044, China
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Balis V, Sourvinos G, Soulitzis N, Giannikaki E, Sofras F, Spandidos D. Prevalence of BK Virus and Human Papillomavirus in Human Prostate Cancer. Int J Biol Markers 2018; 22:245-51. [DOI: 10.1177/172460080702200402] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Polyomaviruses such as the BK virus (BKV), JC virus (JCV) and SV40, as well as the human papillomaviruses (HPV) are frequently detected throughout human populations, causing subclinical persistent infections and inducing oncogenesis in human and other cell lines. To test the involvement of these viruses in prostate tumorigenesis, we investigated the prevalence of BKV, JCV and HPV in a series of human prostatic malignancies. Forty-two samples of diagnosed prostatic malignancies were tested using standard polymerase chain reaction (PCR) protocols. Differentiation between BKV and JCV among the polyomavirus-positive samples was achieved after sequencing analysis of the PCR products. Reconstitution of BKV in vitro was performed and indirect immunofluorescence for the large T-antigen of the virus was applied to confirm the production of progeny virus. Detection and typing of HPV was carried out by PCR. The overall prevalence of polyomaviruses was 19% in the prostate cancer cases. Sequencing analysis of the polyomavirus-positive specimens revealed the presence of BKV in all samples. Reconstitution of the BKV from the BKV-positive prostate samples was successfully achieved in cell culture and progeny viral particles were obtained, confirming the presence of the virus in the human biopsies. HPV was detected in 4.8% of the samples, however, no HPV-11, HPV-16, HPV-18 or HPV-33 types were identified. BKV was frequently detected and could play a relevant role in the development and progression of human prostate cancer, whereas HPV does not seem to be implicated in this type of human neoplasia.
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Affiliation(s)
- V. Balis
- Laboratory of Clinical Virology, Faculty of Medicine, University of Crete, Heraklion, Crete
| | - G. Sourvinos
- Laboratory of Clinical Virology, Faculty of Medicine, University of Crete, Heraklion, Crete
| | - N. Soulitzis
- Laboratory of Clinical Virology, Faculty of Medicine, University of Crete, Heraklion, Crete
| | - E. Giannikaki
- Department of Pathology, University Hospital of Crete, Heraklion, Crete
| | - F. Sofras
- Department of Urology, University Hospital of Crete, Heraklion, Crete - Greece
| | - D.A. Spandidos
- Laboratory of Clinical Virology, Faculty of Medicine, University of Crete, Heraklion, Crete
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Au JK, Graziano C, Elizondo RA, Ryan S, Roth DR, Koh CJ, Gonzales ET, Tu DT, Janzen N, Naik S, Seth A. Urologic Outcomes of Children With Hemorrhagic Cystitis After Bone Marrow Transplant at a Single Institution. Urology 2016; 101:126-132. [PMID: 27793653 DOI: 10.1016/j.urology.2016.10.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 10/10/2016] [Accepted: 10/14/2016] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To analyze clinical outcomes and the risk factors associated with genitourinary (GU) morbidity and mortality in children who present with hemorrhagic cystitis (HC) after bone marrow transplant (BMT). METHODS A retrospective chart review of patients with HC who had undergone BMT at a single pediatric hospital from 2008 to 2015 was conducted. Demographic data, severity of hematuria, HC management, and mortality were analyzed. Bivariate analysis and binary logistic regression were performed to identify risk factors. RESULTS Out of 43 patients who met inclusion criteria, 67.4% were male with a median age at BMT of 10.2 years (interquartile range 5.8-14.6). Percutaneous nephrostomy catheters were inserted in 5 patients for urinary diversion. All-cause mortality was 32.6% (N = 14). Intravesical retroviral therapy (P <.001), HC grade (P <.001), total Foley time (P <.001), total gross hematuria time (P <.001), total days hospitalized (P = .012), and days to most improved hematuria (P = .032) were associated with significant GU morbidity on bivariate analysis. On multivariable analysis, days to most improved hematuria was associated with significant GU morbidity odds ratio of 1.177 (1.006-1.376) (P = .042). Status of percutaneous nephrostomy was not associated with increased mortality (P = .472); however, in the multivariate model, BK viremia (P = .023), need for renal dialysis (P = .003), and presence of Foley catheter (P = .005) were associated with increased mortality. CONCLUSION Children with HC after BMT fall in a very high-risk category with high mortality and significant GU morbidity. The presence of a Foley catheter, need for dialysis, and BK viremia are associated with increased mortality.
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Affiliation(s)
- Jason K Au
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | | | - Rodolfo A Elizondo
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | - Sheila Ryan
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | - David R Roth
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | - Chester J Koh
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | - Edmond T Gonzales
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | - Duong T Tu
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | - Nicolette Janzen
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX
| | - Swati Naik
- Department of Hematology/Oncology, Texas Children's Hospital//Baylor College of Medicine, Houston, TX
| | - Abhishek Seth
- Department of Pediatric Urology, Texas Children's Hospital/Baylor College of Medicine, Houston, TX.
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Vigil D, Konstantinov NK, Barry M, Harford AM, Servilla KS, Kim YH, Sun Y, Ganta K, Tzamaloukas AH. BK nephropathy in the native kidneys of patients with organ transplants: Clinical spectrum of BK infection. World J Transplant 2016; 6:472-504. [PMID: 27683628 PMCID: PMC5036119 DOI: 10.5500/wjt.v6.i3.472] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 08/25/2016] [Accepted: 09/08/2016] [Indexed: 02/05/2023] Open
Abstract
Nephropathy secondary to BK virus, a member of the Papoviridae family of viruses, has been recognized for some time as an important cause of allograft dysfunction in renal transplant recipients. In recent times, BK nephropathy (BKN) of the native kidneys has being increasingly recognized as a cause of chronic kidney disease in patients with solid organ transplants, bone marrow transplants and in patients with other clinical entities associated with immunosuppression. In such patients renal dysfunction is often attributed to other factors including nephrotoxicity of medications used to prevent rejection of the transplanted organs. Renal biopsy is required for the diagnosis of BKN. Quantitation of the BK viral load in blood and urine are surrogate diagnostic methods. The treatment of BKN is based on reduction of the immunosuppressive medications. Several compounds have shown antiviral activity, but have not consistently shown to have beneficial effects in BKN. In addition to BKN, BK viral infection can cause severe urinary bladder cystitis, ureteritis and urinary tract obstruction as well as manifestations in other organ systems including the central nervous system, the respiratory system, the gastrointestinal system and the hematopoietic system. BK viral infection has also been implicated in tumorigenesis. The spectrum of clinical manifestations from BK infection and infection from other members of the Papoviridae family is widening. Prevention and treatment of BK infection and infections from other Papovaviruses are subjects of intense research.
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Correlation of the clinical parameters with sonographic findings of hemorrhagic cystitis in pediatric hematooncology patients. SPRINGERPLUS 2015; 4:577. [PMID: 26543712 PMCID: PMC4628028 DOI: 10.1186/s40064-015-1380-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 09/27/2015] [Indexed: 11/10/2022]
Abstract
To find a relationship between clinical and sonographic appearance of hemorrhagic cystitis (HC) in pediatric hematooncology patients. Clinical and sonographic findings of 31 children (M:F = 18:13; mean age, 12.7 years) with HC in pediatric hematooncology patients were reviewed. For each patient, the onset of HC after transplantation, use of bladder-toxic agent, presence of BK viruria, and duration of disease were reviewed. Sonographic findings including bladder wall thickness (BWT), the type of bladder wall thickening (nodular vs. diffuse), occurrence of hydronephrosis or pyelonephritis were reviewed. We analyzed sonographic appearance and clinical manifestations of HC. HC occurred within 4 months after HSCT/BMT. 27 patients (87.0 %) were positive for BK viruria and 24 patients (77.4 %) took bladder-toxic agents. On sonography, nodular type bladder wall thickening was more frequent (54.8 %), and BWT was thicker in this group (p = 0.003). There was a positive correlation between the BWT on initial sonography and duration of cystitis (r2 = 0.340). Hydronephrosis developed in 25.8 % of patients with HC, and as HC persisted longer, hydronephrosis occurred more (p = 0.004). In patients with HC after HSCT/BMT, the BWT on initial sonography correlates well with the duration of cystitis. And, longer time of HC develops the risk of hydronephrosis.
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Sharif A, Sharif MR, Aghakhani A, Banifazl M, Hamkar R, Ghavami N, Eslamifar A, Ramezani A. Prevalence of BK viremia in Iranian hemodialysis and peritoneal dialysis patients. Infect Dis (Lond) 2015; 47:345-8. [PMID: 25746602 DOI: 10.3109/00365548.2014.1002107] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND BK virus (BKV) is a common human polyomavirus which infects up to 90% of the general population with little clinical significance and with various epidemiological patterns of infection. Immune suppression is considered the main risk factor for BKV reactivation. Owing to their impaired cellular and humoral immunity, patients undergoing hemodialysis (HD) or peritoneal dialysis (PD) are at high risk of infectious diseases such as BKV infection. BKV presents with different distributions in different populations. This study aimed to determine the prevalence of BKV in Iranian patients with chronic renal disease undergoing HD and PD. METHODS Sixty-three HD patients and 33 PD cases from the main dialysis units in Tehran, Iran, were enrolled in the study. BK viremia was determined by qualitative polymerase chain reaction in all subjects. RESULTS Sixty-three cases under HD (mean age 59.3 ± 14.5 years) and 33 subjects on PD (mean age 53.7 ± 13 years) were enrolled in the study. The mean duration of HD was 59.1 ± 53.8 months and the dialysis interval was three times a week. In the PD group, the mean duration of dialysis was 38.9 ± 35.2 months. The prevalence of BK viremia was 3.03% in PD and 0% in HD subjects. CONCLUSIONS This study showed a low rate of BK viremia in chronic renal disease patients undergoing HD or PD. Differently from other studies in various populations, our results demonstrated low or absent BKV replication in Iranian dialysis patients, highlighting the varying epidemiological pattern of BKV distribution.
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Affiliation(s)
- Alireza Sharif
- From the Department of Infectious Diseases, Kashan University of Medical Sciences , Kashan , Iran
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The risk of polyomavirus BK-associated hemorrhagic cystitis after allogeneic hematopoietic SCT is associated with myeloablative conditioning, CMV viremia and severe acute GVHD. Bone Marrow Transplant 2014; 49:1528-34. [PMID: 25111517 DOI: 10.1038/bmt.2014.181] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2014] [Revised: 06/16/2014] [Accepted: 06/18/2014] [Indexed: 01/13/2023]
Abstract
Hemorrhagic cystitis (HC) is a common complication after allogeneic hematopoietic SCT (allo-HSCT). Several risk factors have been suggested including BU-containing myeloablative conditioning, unrelated donors and GVHD, but these have not been consistently reported. We conducted a retrospective study including 339 allo-HSCT recipients between 2009 and 2012. Of 339 patients, 79 (23.3%) developed HC with 2-year cumulative incidence of 24.0% (95% confidence interval, 19.4-28.9). The median onset time was 45 days (range, 16-430) after allo-HSCT. Sixty-two patients (84%) out of 74 evaluated for urine BK virus PCR testing showed a positive result (mean 2.0 × 10(10) copies of DNA per mL). In univariate analysis, myeloablative conditioning, HLA-mismatched donor, CMV viremia and acute GVHD (aGVHD) grade 3-4 were significantly associated with the risk of HC. Multivariate analysis confirmed all associating factors identified in univariate analysis except for HLA-mismatched donor: myeloablative conditioning (hazard ratio (HR) 2.63, P=0.003), CMV viremia (HR 1.88, P=0.014) and aGVHD grade 3-4 (HR 1.71, P=0.029). HC did not affect OS or non-relapse mortality. Symptomatic HC is a frequent complication following allo-HSCT, with a 2-year cumulative incidence of 24.0%. Three clinical factors associated with HC were identified including myeloablative conditioning, CMV viremia and severe aGVHD.
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Anoop P, Shaw BE, Riley U, Ethell ME, Taj M, Lancaster DL, Atra A, Saso R, Littlewood S, Mohammed K, Davies F, Treleaven J, Morgan GJ, Potter MN. Clinical profile and outcome of urotheliotropic viral haemorrhagic cystitis following haematopoietic stem cell transplantation: a 7-year tertiary centre analysis. Hematology 2013; 16:213-20. [DOI: 10.1179/102453311x13025568941763] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Affiliation(s)
- Parameswaran Anoop
- Department of Haematology
- Department of Paediatric Haemato-OncologyRoyal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | - Bronwen E Shaw
- Department of Haematology
- Anthony Nolan TrustUCL Cancer Centre, London, UK
| | - Unell Riley
- Department of MicrobiologyRoyal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | - Mark E Ethell
- Department of Haematology
- Department of Paediatric Haemato-OncologyRoyal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | - Mary Taj
- Department of Paediatric Haemato-OncologyRoyal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | - Donna L Lancaster
- Department of Paediatric Haemato-OncologyRoyal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | - Ayad Atra
- Department of Paediatric Haemato-OncologyRoyal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | | | | | | | - Faith Davies
- Department of Haematology
- Institute of Cancer ResearchSutton, Surrey, UK
| | | | - Gareth J Morgan
- Department of Haematology
- Institute of Cancer ResearchSutton, Surrey, UK
| | - Mike N Potter
- Department of Haematology
- Department of Paediatric Haemato-OncologyRoyal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
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Kwon HJ, Kang JH, Lee JW, Chung NG, Kim HK, Cho B. Treatment of BK virus-associated hemorrhagic cystitis in pediatric hematopoietic stem cell transplant recipients with cidofovir: a single-center experience. Transpl Infect Dis 2013; 15:569-74. [PMID: 24028353 DOI: 10.1111/tid.12136] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Revised: 01/08/2013] [Accepted: 03/24/2013] [Indexed: 01/07/2023]
Abstract
BACKGROUND BK virus (BKV)-associated hemorrhagic cystitis (BKV-HC) is a severe complication after hematopoietic stem cell transplantation (HSCT). Cidofovir (CDV) has emerged as an effective agent for the treatment of BKV nephropathy, but its use for BKV-HC in pediatric HSCT recipients has not yet been established as a standard therapy. PATIENT AND METHODS We retrospectively investigated the efficacy and safety of CDV therapy for patients with BKV-HC at a single institution and analyzed the clinical management outcomes. RESULTS From April 2009 to July 2011, 12 patients developed BKV-HC at a median of 37 days after transplant (range 15-59 days). The cumulative incidence was 9% and the median peak of the urine BKV load was 2.5 × 10(10) copies/mL (range 1.4 × 10(9) -1.2 × 10(11) copies/mL). Eleven patients received intravenous CDV (5 mg/kg/dose, with probenecid), whereas 1 patient received CDV (5 mg/kg/dose, without probenecid) intravesically. The median duration of therapy was 25 days (range 9-73 days), and a median of 2 doses was given (range 1-4). A reduction of ≥ 1 log in the BKV load was found in 11 patients, while 1 patient did not have any significant change in BKV load. Clinical improvement was observed in all cases, and no HC-related death was observed. CDV-related toxicity occurred in 1 patient (8%) and spontaneously resolved. CONCLUSIONS CDV appears to be an effective and safe treatment for BKV-HC in pediatric HSCT recipients, but prospective trials are warranted to support its use.
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Affiliation(s)
- H J Kwon
- Division of Infectious Diseases, Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, Korea; Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Costa C, Cavallo R. Polyomavirus-associated nephropathy. World J Transplant 2012; 2:84-94. [PMID: 24175200 PMCID: PMC3782238 DOI: 10.5500/wjt.v2.i6.84] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2011] [Revised: 08/14/2012] [Accepted: 10/31/2012] [Indexed: 02/05/2023] Open
Abstract
Polyomaviruses BK and JC are ubiquitous viruses with high seroprevalence rates in general population. Following primary infection, polyomaviruses BK and JC persist latently in different sites, particularly in the reno-urinary tract. Reactivation from latency may occur in normal subjects with asymptomatic viruria, while it can be associated to nephropathy (PVAN) in kidney transplantat recipients. PVAN may occur in 1%-10% of renal transplant patients with loss of the transplanted organ in 30% up to 80% of the cases. Etiology of PVAN is mainly attributable to BK virus, although approximately 5% of the cases may be due to JC. Pathogenesis of PVAN is still unknown, although viral replication and the lack of immune control play a major role. Immunosuppression represents the condicio sine qua non for the development of PVAN and the modulation of anti-rejection treatment represents the first line of intervention, given the lack of specific antiviral agents. At moment, an appropriate immunemodulation can only be accomplished by early identification of viral reactivacation by evaluation of polyomavirus load on serum and/or urine specimens, particularly in the first year post-trasplantation. Viro-immunological monitoring of specific cellular immune response could be useful to identify patients unable to recover cellular immunity posttransplantation, that are at higher risk of viral reactivation with development of PVAN. Herein, the main features of polyomaviruses BK and JC, biological properties, clinical characteristics, etiopathogenesis, monitoring and diagnosing of PVAN will be described and discussed, with an extended citation of related relevant literature data.
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Affiliation(s)
- Cristina Costa
- Cristina Costa, Rossana Cavallo, Virology Unit, University Hospital San Giovanni Battista di Torino, 10126 Turin, Italy
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Hassan Z. Management of refractory hemorrhagic cystitis following hematopoietic stem cell transplantation in children. Pediatr Transplant 2011; 15:348-61. [PMID: 21504524 DOI: 10.1111/j.1399-3046.2011.01505.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
HC is a complication associated with HSCT, but occurs rarely in solid organ recipients. The reported incidence varies from <10% to more than 70%. HC is characterized by hemorrhagic inflammation in urinary tract mucosa with symptoms varying from asymptomatic microscopic hematuria to frank hematuria with clot formation and urinary tract obstruction. Early onset HC may be explained by toxicity of chemo- and/or radiotherapy, while multiple factors including viral infections and their interplay seem to be involved in late onset HC. So far, only incidence of cyclophosphamide-associated HC has been reduced with preventive treatment. Likely, once HC is established, the treatment principles are similar regardless of the etiology and depend on the intensity of HC. Prevention of urinary tract obstruction, transfusion support, analgesic, and spasmolytic therapy are generally accepted in HC management. Treatment beyond this conservative approach entails higher risk for side effects, and thus treatment escalation proportional to HC intensity is warranted. No standard and evidence-based treatment escalation algorithm has been widely adopted yet. As severe HC following HSCT is a potentially life-threatening complication, a multidisciplinary and individual approach is required in children suffering from this devastating complication.
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Affiliation(s)
- Zuzana Hassan
- Center for Allogeneic Stem Cell Transplantation, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden.
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15
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Gaziev J, Paba P, Miano R, Germani S, Sodani P, Bove P, Perno CF, Marziali M, Gallucci C, Isgrò A, Paciaroni K, Roveda A, Simone MD, De Angelis G, Alfieri C, Lucarelli G. Late-onset hemorrhagic cystitis in children after hematopoietic stem cell transplantation for thalassemia and sickle cell anemia: a prospective evaluation of polyoma (BK) virus infection and treatment with cidofovir. Biol Blood Marrow Transplant 2009; 16:662-71. [PMID: 20026413 DOI: 10.1016/j.bbmt.2009.12.009] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2009] [Accepted: 12/12/2009] [Indexed: 01/31/2023]
Abstract
Little is known about late-onset hemorrhagic cystitis (HC) in children, its relationship to BK virus, and treatment with cidofovir (CDV) following hematopoietic stem cell transplantation (HSCT). We prospectively investigated BK virus reactivation in children who underwent HSCT from a matched related donor for thalassemia or sickle cell anemia following busulfan-cyclophosphamide-based conditioning regimens and analyzed risk factors for development of HC and its treatment with CDV. Grade 2-4 HC occurred in 30 patients with a cumulative incidence of 26% (95% confidence interval [CI] = 18%-34%). The cumulative incidences of BK viruria and viremia were 81% (95% CI = 69%-89%) and 28% (95% CI = 18%-40%), respectively. Multivariate analysis revealed that use of antithymocyte globulin (ATG) (hazard ratio [HR] = 10.5; P = .001), peak BK viruria >100,000 copies/mL (HR = 6.2; P = .004), and grade II-IV acute graft-versus-host disease (HR = 5.3; P = .007) were predictive factors for HC. Nineteen patients with HC were given CDV at 1.5 mg/kg/day 3 times a week, or 5 mg/kg/week. The median duration of therapy was 27 days (range, 21-180 days), and a median of 9 doses were given (range, 6-22). All patients had a complete clinical response (CCR), and 69% had a microbiological response at 4 weeks. Eleven patients with BK virus-related HC receiving supportive care also had CCR. The median duration of HC in these patients was similar to that in patients treated with CDV. None of the patients with HC cleared BK viruria when CCR was achieved. We conclude that late-onset HC is more prevalent in children with sustained high BK viruria who are treated with ATG or who develop graft-versus-host disease. Randomized clinical trials are urgently needed to better define the role of CDV in treating BK virus-related HC.
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Affiliation(s)
- Javid Gaziev
- International Center for Transplantation in Thalassemia and Sickle Cell Anemia, Mediterranean Institute of Hematology, Policlinico Tor Vergata, Rome, Italy.
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16
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Decker DB, Karam JA, Wilcox DT. Pediatric hemorrhagic cystitis. J Pediatr Urol 2009; 5:254-64. [PMID: 19303365 DOI: 10.1016/j.jpurol.2009.02.199] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2008] [Accepted: 02/13/2009] [Indexed: 11/30/2022]
Abstract
PURPOSE To review the current literature as it pertains to hemorrhagic cystitis (HC) in the pediatric bone-marrow transplant (BMT) population. By reviewing the pathophysiology of the disease, preventive methods, and therapeutic options, urologists may be better equipped to manage this challenging clinical scenario. MATERIALS AND METHODS The HC literature was reviewed using a MEDLINE/PubMed literature search, specifically focusing on the pediatric BMT population as it pertains to the incidence, pathophysiology, prevention, and treatment of HC. RESULTS Conservative estimates of HC incidence in recent retrospective studies of pediatric BMT populations still approach 10-20%. Several high-volume pediatric BMT centers have reported contemporary data on their experience with HC providing increased insight into incidence and pathophysiology. Accumulating evidence linking BK virus to HC is a significant development warranting further investigation. Other contributing agents/risk factors need identification in the likely multifactorial etiology of HC. Preventive and therapeutic strategies have made modest advances, but certainly need further validation with prospective randomized studies. CONCLUSIONS Pediatric BMT patients are susceptible for HC development despite preventive measures and improved insight into the pathophysiology. Unfortunately, there are no evidence-based treatment guidelines for this difficult clinical issue that frequently requires prolonged care and multiple treatment modalities necessitating judicious patience in the application of more aggressive interventions.
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Affiliation(s)
- Daniel B Decker
- Children's Medical Center at Dallas, University of Texas Southwestern Medical Center, Department of Urology, 5323 Harry Hines Boulevard, Dallas, TX 75390-9110, USA.
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17
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Hyperbaric oxygen therapy in BKV-associated hemorrhagic cystitis refractory to intravenous and intravesical cidofovir: Case report and review of literature. Leuk Res 2009; 33:556-60. [DOI: 10.1016/j.leukres.2008.06.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2008] [Revised: 06/16/2008] [Accepted: 06/17/2008] [Indexed: 11/22/2022]
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18
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Selective embolization of the internal iliac arteries for the treatment of severe hemorrhagic cystitis following hematopoietic SCT. Bone Marrow Transplant 2008; 41:881-6. [DOI: 10.1038/bmt.2008.4] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Walden O, Härtel C, Doehn C, Jocham D. Intravesikale Cidofovir – Instillationstherapie bei Polyomavirus-assoziierter hämorrhagischer Zystitis nach Knochenmarktransplantation. Urologe A 2007; 46:535-7. [PMID: 17186193 DOI: 10.1007/s00120-006-1261-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Viral infections of the urogenital tract are a potential problem in patients taking immunosuppressive medication. We report a 14 year old male patient with hemorrhagic cystitis who had undergone bone marrow transplantation for the treatment of acute lymphoblastic leukemia. Attempts at coagulation as well as instillation treatment and continuous bladder irrigation were not sufficient to stop bleeding. Sequential to these procedures, local instillation with cidofovir into the bladder was started to treat a suspected infection with polyomavirus and the gross hematuria stopped within a few days.
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Affiliation(s)
- O Walden
- Klinik und Poliklinik für Urologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, 23538, Ratzeburger Allee 160, Lübeck.
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20
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Cheuk DKL, Lee TL, Chiang AKS, Ha SY, Lau YL, Chan GCF. Risk factors and treatment of hemorrhagic cystitis in children who underwent hematopoietic stem cell transplantation. Transpl Int 2007; 20:73-81. [PMID: 17181656 DOI: 10.1111/j.1432-2277.2006.00404.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
A retrospective cohort of 163 children with 171 hematopoietic stem cell transplantation (HSCT) performed during Mar. 1992-Dec. 2005 were analyzed to evaluate the incidence, risk factors, management, and outcome of hemorrhagic cystitis (HC). Fourteen patients (8.2%) developed HC (6 boys, median age 6.6 years) at 0-166 days after HSCT (median 25 days), and lasted for 3-96 days (median 26 days). Older age at transplant (median 11.0 vs. 6.4 years, P = 0.013), allogeneic transplant (OR = 4.4, P = 0.02), cyclophosphamide-containing conditioning (OR = 4.87, P = 0.008), moderate-to-severe acute graft-versus-host disease (GVHD) (OR = 3.56, P = 0.025) and hepatic GVHD (OR = 3.62, P = 0.017) were associated with higher risks of HC in univariate but not multivariate analyses. While estrogen was ineffective in most patients, intravesical formalin, which was used in five patients, was found to be a very effective yet safe treatment for intractable HC. Patients with HC had longer hospital stay (median 175 vs. 88 days, P = 0.004). HC resolved after treatments in all cases but eight of the 14 patients subsequently died of other complications of HSCT. In conclusion, HC is a serious complication of allogeneic HSCT. Treatment with intravesical formalin appears effective and safe and can be considered early in severe HC to reduce the risk of morbidity and mortality.
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Affiliation(s)
- Daniel K L Cheuk
- Department of Pediatrics and Adolescent Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, Hong Kong, China.
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21
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Abstract
Renal transplantation is the treatment of choice for children with end-stage renal disease. Patient survival and allograft survival have improved with better immunosuppressant regimes to reduce acute allograft rejection but post-transplant infections have been exacerbated. An emerging problematic virus in the past decade is the polyoma virus BKV. The features of BKV including the clinical features in the general and immune compromised population are reviewed and correlated with pediatric studies in the post-transplant population. These features are placed in context with lessons learned about BKV in relevant adult studies.
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Affiliation(s)
- Philip D Acott
- Division of Pediatric Nephrology and Endocrinology, Department of Pediatrics, Pharmacology, and Medicine, IWK Health Center and Dalhousie University, Halifax, Nova Scotia, Canada.
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22
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Singh D, Kiberd B, Gupta R, Alkhudair W, Lawen J. Polyoma virus-induced hemorrhagic cystitis in renal transplantation patient with polyoma virus nephropathy. Urology 2006; 67:423.e11-423.e12. [PMID: 16461105 DOI: 10.1016/j.urology.2005.08.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2005] [Revised: 07/26/2005] [Accepted: 08/17/2005] [Indexed: 11/25/2022]
Abstract
We report a biopsy proven case of hemorrhagic cystitis in a cadaveric renal transplant patient with hematuria. Because more and more polyoma virus infection is being diagnosed in kidney transplant recipients, clinicians should be aware that gross hematuria in a recent transplant recipient may represent polyoma virus-induced hemorrhagic cystitis.
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Affiliation(s)
- D Singh
- Kidney Transplant Program, Dalhousie University, Halifax, Nova Scotia, Canada
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23
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Gorczynska E, Turkiewicz D, Rybka K, Toporski J, Kalwak K, Dyla A, Szczyra Z, Chybicka A. Incidence, clinical outcome, and management of virus-induced hemorrhagic cystitis in children and adolescents after allogeneic hematopoietic cell transplantation. Biol Blood Marrow Transplant 2005; 11:797-804. [PMID: 16182180 DOI: 10.1016/j.bbmt.2005.06.007] [Citation(s) in RCA: 125] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2005] [Accepted: 06/28/2005] [Indexed: 12/16/2022]
Abstract
We analyzed the incidence, etiology, risk factors, and clinical management of hemorrhagic cystitis (HC) in 102 children who underwent allogeneic stem cell transplantation: 28 from matched siblings, 57 from unrelated donors, and 17 from mismatched relatives. Conditioning regimens consisted of high-dose chemotherapy (n=83) or total body irradiation (n=19). In all children, urine and plasma were prospectively screened for human polyomavirus (HPV; BK virus [BKV] and JC virus [JCV]) or adenovirus (AdV) DNA with a polymerase chain reaction-based assay. Viral DNA was detected in the urine of 56 children (54.9%): BKV in 48 (47%), JCV in 4 (3.9%), and AdV in 4 (3.9%). HC occurred in 26 children (25.5%), and viruria was detected in all of them: BKV in 21 (80.8%), AdV in 4 (14.4%), and JCV in 1 (3.8%). All patients with AdV viruria developed HC. The cumulative incidence of HC in patients with HPV viruria was 0.43. The only significant risk factor for HC in patients with HPV-positive urine was conditioning with high-dose chemotherapy. Twenty-two children were treated with cidofovir, with no significant toxicity. In all treated patients but 1, the clinical symptoms were moderate, and no HC-related death was observed. We conclude that virus-induced HC is a frequent complication after allogeneic hematopoietic cell transplantation. Treatment with cidofovir is feasible, and further studies are warranted to evaluate its activity in HC mediated by BKV or JCV.
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Affiliation(s)
- Ewa Gorczynska
- Department of Pediatric Hematology, Oncology and Bone Marrow Transplantation, Wroclaw Medical University, Wroclaw, Poland.
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24
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Abstract
This overview summarizes recent data on emerging viruses after hematopoietic cell transplantation (HCT), including adenovirus, BK virus, human metapneumovirus (hMPV), and human herpesvirus (HHV) 6. The increased recognition of these infections is due to improved molecular detection methods, increased surveillance and more profound immunosuppression in the host. Adenovirus can cause serious disease especially in T-cell depleted transplant recipients. Adenovirus viremia is an important risk factor for disease in this setting. BK virus has been associated with hemorrhagic cystitis in HCT recipients. BK viremia is significantly associated with hemorrhagic cystitis. hMPV shows a seasonal distribution and can cause fatal pneumonia in HCT recipients. hMPV may be the etiology of some cases previously categorized as idiopathic pneumonia syndrome. HHV-6 commonly leads to viremia in HCT recipients. HHV-6 has been strongly associated with encephalitis and delayed platelet engraftment. Prospective studies are needed to further examine epidemiology, disease associations, and management strategies for these viruses.
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Affiliation(s)
- Michael Boeckh
- Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.
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25
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Benketira A, Tichit R, Tenenbaum J, Margueritte G, Bernard F. Infection à BK Virus après allogreffe de celluleshématopoïétiques. A propos d'un cas. Arch Pediatr 2005; 12 Suppl 1:S64-6. [PMID: 15893243 DOI: 10.1016/s0929-693x(05)80016-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polyomavirus hominis 1, better known as BK virus (BKV), infects up to 90% of the general population. Significant clinical manifestations can be seen in immunocompromised patients. We report a case of haemorragic cystitis likely due to BKV in a child after allotransplantation of hematopoietic stem cells. A 10-year old boy with poor-prognosis acute T lymphoblastic leukaemia underwent cord blood allogeneic stem cell transplantation while in his first relapse. Macroscopic haematuria and low back pain occurred by day 95, in the context of acute graft versus host disease and pulmonary aspergillosis. Histopathologic examination showed a cytopathogenetic effect consistent with the diagnosis of BKV infection. Urinary PCR was positive for BKV. Treatment with cidofovir was followed by a marked improvement of urinary symptoms. The current understanding, diagnosis, and treatment of BKV-associated infection is discussed.
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Affiliation(s)
- A Benketira
- Hémato-oncologie-pédiatrie, pédiatrie 3, hôpital Arnaud-de-Villeneuve, avenue du Doyen-Gaston-Giraud, 34295 Montpellier cedex 05, France
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26
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Bogdanovic G, Priftakis P, Giraud G, Kuzniar M, Ferraldeschi R, Kokhaei P, Mellstedt H, Remberger M, Ljungman P, Winiarski J, Dalianis T. Association between a high BK virus load in urine samples of patients with graft-versus-host disease and development of hemorrhagic cystitis after hematopoietic stem cell transplantation. J Clin Microbiol 2005; 42:5394-6. [PMID: 15528753 PMCID: PMC525183 DOI: 10.1128/jcm.42.11.5394-5396.2004] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
BK virus (BKV) load in urine alone or in combination with acute graft-versus-host disease (GVHD) was correlated to development of hemorrhagic cystitis (HC). BKV load in combination with acute GVHD discriminated the best, while BKV and viral load alone, but not GVHD, still showed predictive ability for HC.
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Affiliation(s)
- G Bogdanovic
- Department of Oncology-Pathology, Karolinska Institute, Hudding University Hospital, Stockholm, Sweden
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27
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Herman J, Van Ranst M, Snoeck R, Beuselinck K, Lerut E, Van Damme-Lombaerts R. Polyomavirus infection in pediatric renal transplant recipients: evaluation using a quantitative real-time PCR technique. Pediatr Transplant 2004; 8:485-92. [PMID: 15367285 DOI: 10.1111/j.1399-3046.2004.00211.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Polyomavirus infection and related nephropathy is being increasingly recognized as an important cause of allograft dysfunction in adult renal transplant recipients. We prospectively monitored pediatric renal transplant recipients for the presence of BK and JC polyomavirus in urine and blood using a quantitative PCR assay to evaluate the prevalence and clinical relevance of polyomavirus infection in the pediatric renal transplant population. Of 46 pediatric renal recipients who were evaluated, nine (20%) demonstrated isolated BKV viruria, while five (11%) had concomitant BKV viremia and viruria. JCV viruria was found in eight (17%) patients. BKV viremia was associated with a significantly higher urinary BKV viral load: median urinary viral load 1.9 x 10(9) copies/mL (range 6.7 x 10(2)-1.8 x 10(11)) for the group with concomitant viremia and viruria vs. 1.8 x 10(3) copies/mL (range 2.5 x 10(2)-4.5 x 10(6)) for the group with isolated viruria (p < 0.0001). In children that were followed prospectively since their transplantation, the BKV urinary viral load increased markedly before viremia became detectable a few weeks later. None of the patients with JCV viruria or isolated BKV viruria had renal dysfunction. Among the five patients with BKV in both urine and blood, two developed biopsy-proven BKV nephropathy associated with deterioration of the renal function. Management of the BKV nephropathy consisted of reduction of immunosuppression alone or in combination with antiviral treatment with cidofovir. This study shows that polyomavirus infection and related interstitial nephritis is a relevant clinical issue in the pediatric renal transplant population. Monitoring the polyomaviral load in the urine and the blood of the patients using a quantitative PCR technique is a useful tool in the diagnosis and subsequent management of this infection. Even before viremia is present, an important rise in the urinary viral load should draw the attention of the transplant clinician and raise the issue of adapting the immunosuppression.
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Affiliation(s)
- Jean Herman
- Department of Pediatric Transplantation, University Hospital Gasthuisberg, University of Leuven, 49 Herestraat, 3000 Leuven, Belgium.
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28
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El-Zimaity M, Saliba R, Chan K, Shahjahan M, Carrasco A, Khorshid O, Caldera H, Couriel D, Giralt S, Khouri I, Ippoliti C, Champlin R, de Lima M. Hemorrhagic cystitis after allogeneic hematopoietic stem cell transplantation: donor type matters. Blood 2004; 103:4674-80. [PMID: 14726405 DOI: 10.1182/blood-2003-08-2815] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Abstract
Hemorrhagic cystitis (HC) remains a common complication of allogeneic blood and marrow transplantation. Previous analyses of risk factors for this complication were performed in heterogenous populations, with dissimilar diagnosis and conditioning regimens. We postulated that HC is more prevalent in matched unrelated donor (MUD) and unrelated cord blood (UCB) transplantations than in matched related donor (MRD) transplantations. We performed a retrospective study on 105 acute lymphocytic leukemia patients treated with 12 Gy total body irradiation-based regimens and allogeneic transplants (MUD, n = 38; UCB, n = 15; mismatched related, n = 20; MRD, n = 32). HC occurred in 16% of patients receiving MRD transplants, 30% of recipients of mismatched related, and 40% of MUD or UCB transplants (hazard ratio 2.9, 95% CI 1.0-7.9 for the comparison of MRD versus MUD). The excessive rate of HC among MUD and UCB patients became evident after the first 30 days after transplantation. Recipients younger than 26 years had a significantly higher incidence of HC (HR 2.5, 95% CI 1.1-5.8). This donor type and age effect was independent of platelet engraftment, development of graft-versus-host disease (GVHD), source of stem cells, use of anti-thymocyte globulin (ATG) or cyclophosphamide in the regimen, steroid use, or stem cell source. We concluded that HC is more prevalent in MUD and UCB transplantations. (Blood. 2004;103:4674-4680)
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Affiliation(s)
- Maha El-Zimaity
- Department of Blood and Marrow Transplantation, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Blvd, Unit 423, Houston, TX 77030, USA
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29
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Priftakis P, Bogdanovic G, Kokhaei P, Mellstedt H, Dalianis T. BK virus (BKV) quantification in urine samples of bone marrow transplanted patients is helpful for diagnosis of hemorrhagic cystitis, although wide individual variations exist. J Clin Virol 2003; 26:71-7. [PMID: 12589836 DOI: 10.1016/s1386-6532(02)00040-9] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Hemorrhagic cystitis (HC) in allogeneic bone marrow transplanted (BMT) patients is associated with BK virus (BKV) reactivation manifested as BK viruria. However, since 77-90% of all adult BMT patients excrete BKV, viral reactivation alone cannot be responsible for HC. Recently, a significant overrepresentation of C-->G mutations in the Sp1 binding site in the non-coding control region (NCCR) of BKV was shown to be present in HC patients and absent in non-HC patients. OBJECTIVES We aimed to investigate if this mutation resulted in excessive BKV excretion in HC patients. STUDY DESIGN A Real-Time PCR was developed and used to quantify BKV in urine samples from 21 patients with HC, with and without the mutations, as well as from patients without HC. RESULTS Quantification of BKV was successful in 18 of 21 urine patients (six with and six without C-->G mutations) and six patients without HC. A mean of 3.0 x 10(6) BKV copies/microl was detected in urine samples of HC patients with C-->G mutations, compared to a mean of 1.5 x 10(6) BKV copies/microl in HC patients without C-->G mutations and a mean of 1.0 x 10(6) BKV copies/microl in patients without HC. The obtained differences were however not statistically significant, due to one individual non-HC patient with an extremely high BKV copy number. Nevertheless, while 50% of the samples in the HC groups expressed 1 x 10(6) copies/microl or more, only one of the samples in the non-HC group contained a virus quantity higher than 5 x 10(5) copies. CONCLUSIONS Although we could not confirm that the C-->G mutations in the Sp1 site of BKV were responsible for an increased viral load in patients with HC, our data suggest that levels of BKV above 10(4) copies/microl may indicate a risk for HC.
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Affiliation(s)
- Peter Priftakis
- Department of Oncology-Pathology, Karolinska Institute, Cancer Center Karolinska, CCK R8:01, 171 76 Stockholm, Sweden.
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30
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García Ligero J, Mora Peris B, García García F, Navas Pastor J, Tomás Ros M, Sempere Gutiérrez A, Rico Galiano JL, Fontana Compiano LO. [Hemorrhagic cystitis caused by BK and JC polyomavirus in patients treated with bone marrow transplantation: clinical features and urologic management]. Actas Urol Esp 2002; 26:104-10. [PMID: 11989422 DOI: 10.1016/s0210-4806(02)72741-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Differential diagnosis of hematuria after bone marrow transplantation (B.M.T.) may include polyomavirus (BK and JC)-associated haemorrhagic cystitis. Many reports have implied BK virus as the major pathogen in the development of hemorrhagic cystitis after BMT. BK viruria is also associated with ureteric stenosis in renal allografts recipients. Viral urinary tract infections are uncommon in healthy individuals, but we can find them frequently in patients under immunosuppressive conditions. MATERIAL AND METHODS Retrospective study of 123 consecutive B.M.T. recipients in the period from 1995 to 2000, evaluating those with polyomavirus-associated hemorrhagic cystitis. We present patient's characteristics, primary disease, clinical features, diagnosis aspects and treatment of these "hidden hosts of urinary tract". RESULTS 7 patients (5.7% of B.M.T.) developed BK or JC virus-associated hemorrhagic cystitis; 3 men and 4 women; median patient age was 29 years (range 14 to 45 years). Bacterial, mycobacterial and parasitic urine cultivates had negative results in all of them. The clinical course was characterized by a late onset of haemorrhagic cystitis (days +30 to +132 after BMT). All 7 patients developed macroscopic haematuria (duration 3 to 30 days). In 6 cases Graft Versus Host Disease (G.V.H.D.) criteria were found. Ultrasonographic studies revealed diffuse thickening of bladder wall in 5 patients. Hematuria was managed by hyperhydratation, blood transfusions, transurethral catheter and evacuation of blood clots, continuous bladder irrigation, urine alkalinization and antiviral therapy. No other more aggressive measures were required to stop the bleeding. Only 1 case of transient elevated creatinine. CONCLUSIONS Polyomavirus-associated haemorrhagic cystitis must be considered in differential diagnosis of hematuria in bone marrow transplantation recipients. Urological management, according with the severity and duration of hematuria, is frequently required.
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Affiliation(s)
- J García Ligero
- Servicio de Urología, Hospital General Universitario de Murcia
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Reploeg MD, Storch GA, Clifford DB. Bk virus: a clinical review. Clin Infect Dis 2001; 33:191-202. [PMID: 11418879 DOI: 10.1086/321813] [Citation(s) in RCA: 176] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2000] [Revised: 12/07/2000] [Indexed: 12/18/2022] Open
Abstract
We present a review of the clinically oriented literature about BK virus, a relative of JC virus, which is the etiologic agent of progressive multifocal leukoencephalopathy (PML). The kidney, lung, eye, liver, and brain have been proposed as sites of BK virus-associated disease, both primary and reactivated. BK virus has also been detected in tissue specimens from a variety of neoplasms. We believe that BK virus is most often permissively present in sites of disease in immunosuppressed patients, rather than being an etiologic agent that causes symptoms or pathologic findings. There is, however, strong evidence for BK virus-associated hemorrhagic cystitis and nephritis, especially in recipients of solid organ or bone marrow transplants. Now that BK virus can be identified by use of specific and sensitive techniques, careful evaluation of the clinical and pathologic presentations of patients with BK virus will allow us to form a clearer picture of viral-associated pathophysiology in many organ systems.
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Affiliation(s)
- M D Reploeg
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA.
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