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- Title
High burden of BK virus-associated hemorrhagic cystitis in patients undergoing allogeneic hematopoietic stem cell transplantation.
- Authors
Gilis, L; Morisset, S; Billaud, G; Ducastelle-Leprêtre, S; Labussière-Wallet, H; Nicolini, F-E; Barraco, F; Detrait, M; Thomas, X; Tedone, N; Sobh, M; Chidiac, C; Ferry, T; Salles, G; Michallet, M; Ader, F
- Abstract
BK virus (BKV) reactivation has been increasingly associated with the occurrence of late-onset hemorrhagic cystitis (HC) after allogeneic hematopoietic SCT (allo-HSCT) resulting in morbidity and sometimes mortality. We investigated the incidence, risk factors and outcome of BKV-HC in 323 consecutive adult patients undergoing allo-HSCT over a 5-year period. BK viremia values for HC staging were evaluated, as well as the medico-economic impact of the complication. Forty-three patients developed BKV-HC. In univariate analysis, young age (P=0.028), unrelated donor (P=0.0178), stem cell source (P=0.0001), HLA mismatching (P=0.0022) and BU in conditioning regimen (P=0.01) were associated with a higher risk of developing BKV-HC. In multivariate analysis, patients receiving cord blood units (CBUs) (P=0.0005) and peripheral blood stem cells (P=0.011) represented high-risk subgroups for developing BKV-HC. BK viremia was directly correlated to HC severity (P=0.011) with a 3 to 6-log peak being likely associated with grades 3 or 4 HC. No correlation was found between BKV-HC and acute graft versus host disease or mortality rate. Patients with BKV-HC required a significantly longer duration of hospitalization (P<0.0001), more RBC (P=0.0003) and platelet transfusions (P<0.0001). Over the 5-year study period, the financial cost of the complication was evaluated at \[euro]2 376 076 ($3 088 899). Strategies to prevent the occurrence of late-onset BKV-HC after allo-HSCT are urgently needed, especially in CBU and peripheral blood stem cell recipients. BK viremia correlates with the severity of the disease. Prospective studies are required to test prophylactic approaches.
- Subjects
BK virus; CYSTITIS; HEMATOPOIETIC stem cell transplantation; COMPLICATIONS from organ transplantation; GRAFT versus host disease; MULTIVARIATE analysis
- Publication
Bone Marrow Transplantation, 2014, Vol 49, Issue 5, p664
- ISSN
0268-3369
- Publication type
Article
- DOI
10.1038/bmt.2013.235