Incidence, risk factors, and outcome of BK polyomavirus infection after kidney transplantation
Incidence, risk factors, and outcome of BK polyomavirus infection after kidney transplantation作者机构:Renal Transplantation Fondazione IRCCS Ca’Granda Ospedale Maggiore Policlinico Renal Transplantation Barts Health NHS Trust Royal London Hospital Department of Clinical Sciences and Community Health University of Milan Department of Biomedical Surgical and Dental Sciences University of Milan MRC Centre for Transplantation King’s College London
出 版 物:《World Journal of Clinical Cases》 (世界临床病例杂志)
年 卷 期:2019年第7卷第3期
页 面:270-290页
核心收录:
主 题:Polyomavirus BK virus Kidney transplantation Outcome Risk factors Immunosuppression Human leukocyte antigen Rejection Cytomegalovirus Ethnicity
摘 要:BACKGROUND Polyomavirus-associated nephropathy is a leading cause of kidney allograft failure. Therapeutic options are limited and prompt reduction of the net state of immunosuppression represents the mainstay of treatment. More recent application of aggressive screening and management protocols for BK-virus infection after renal transplantation has shown encouraging results. Nevertheless,long-term outcome for patients with BK-viremia and nephropathy remains obscure. Risk factors for BK-virus infection are also *** To investigate incidence, risk factors, and outcome of BK-virus infection after kidney *** This single-centre observational study with a median follow up of 57(31-80) mo comprises 629 consecutive adult patients who underwent kidney transplantation between 2007 and 2013. Data were prospectively recorded and annually reviewed until 2016. Recipients were periodically screened for BK-virus by plasmaquantitative polymerized chain reaction. Patients with BK viral load ≥ 1000 copies/mL were diagnosed BK-viremia and underwent histological assessment to rule out nephropathy. In case of BK-viremia, immunosuppression was minimized according to a prespecified protocol. The following outcomes were evaluated: patient survival, overall graft survival, graft failure considering death as a competing risk, 30-d-event-censored graft failure, response to treatment,rejection, renal function, urologic complications, opportunistic infections, newonset diabetes after transplantation, and malignancies. We used a multivariable model to analyse risk factors for BK-viremia and *** BK-viremia was detected in 9.5% recipients. Initial viral load was high(≥ 10000 copies/mL) in 66.7% and low( 10000 copies/mL) in 33.3% of these ***-associated nephropathy was diagnosed in 6.5% of the study population. Patients with high initial viral load were more likely to experience sustained viremia(95% vs 25%, P 0.00001), nephropathy(92.