Volume 9 Issue 1
Jan.  2018
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Fan Yu, Shi Bingyi, Qian Yeyong, et al. Clinical study on the effect of BK virus infection on renal allograft function after renal transplantation[J]. ORGAN TRANSPLANTATION, 2018, 9(1): 51-57. doi: 10.3969/j.issn.1674-7445.2018.01.007
Citation: Fan Yu, Shi Bingyi, Qian Yeyong, et al. Clinical study on the effect of BK virus infection on renal allograft function after renal transplantation[J]. ORGAN TRANSPLANTATION, 2018, 9(1): 51-57. doi: 10.3969/j.issn.1674-7445.2018.01.007
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Clinical study on the effect of BK virus infection on renal allograft function after renal transplantation

doi: 10.3969/j.issn.1674-7445.2018.01.007

  • Department of Transplant Surgery, the 309th Hospital of People's Liberation Army, Beijing 100091, China

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  • Corresponding author: Shi Bingyi, Email: shibingyi@medmail.com.cn
  • Received Date: 2017-09-15
    Available Online: 2021-01-19
  • Publish Date: 2018-01-15
    Abstract
  •   Objective  To analyze the impairment of renal allograft function in renal transplant recipients caused by BK virus infection after renal transplantation.  Methods  Clinical data of 210 recipients who underwent allogenic renal transplantation and received BK virus monitoring regularly were analyzed retrospectively. The incidence of BK viruria, viremia and BK virus nephropathy (BKVN) after renal transplantation was summarized. The effect of BK virus infection on renal allograft function and prognosis of renal allograft function after the removement of BK virus were analyzed.  Results  Among the 210 recipients, there were 46 cases with pure viruria, 46 cases with viremia complicated with viruria and 7 cases with BKVN confirmed by pathological biopsy. The level of serum creatinine (Scr) in the recipients with viremia after renal transplantation was linearly related to BK viral load in urine and blood (r=0.594, 0.672, both P < 0.01). The level of Scr increased significantly when BK viral load in blood of the recipients with viremia was found positive for the first time, and increased continuously after viremia sustained. And the level of Scr decreased slightly when blood viral load turned to negative after treatment, but still significantly higher than before virus infection. All the above differences were statistically significant (all P < 0.05). Compared with the basic level, there was no significant difference in the level of Scr of recipients with pure viruria during positive viruria (all P>0.05).  Conclusions  It will impair the renal allograft function when BK viremia occurs after renal transplantation, and it is necessary to monitor viral infection regularly. Once the blood BK virus is found positive, it shall be implemented immediately to reduce the intensity of immunosuppression as the preferred clinical intervention.

     

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