Volume 6 Issue 1
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Peng Chuan, Lin Manxia, Wang Yan, et al. Application value of contrast-enhanced ultrasound in vascular complications of transplanted kidney[J]. ORGAN TRANSPLANTATION, 2015, 6(1): 41-45. doi: 10.3969/j.issn.1674-7445.2015.01.009
Citation: Peng Chuan, Lin Manxia, Wang Yan, et al. Application value of contrast-enhanced ultrasound in vascular complications of transplanted kidney[J]. ORGAN TRANSPLANTATION, 2015, 6(1): 41-45. doi: 10.3969/j.issn.1674-7445.2015.01.009
shu

Application value of contrast-enhanced ultrasound in vascular complications of transplanted kidney

doi: 10.3969/j.issn.1674-7445.2015.01.009

  • Department of Ultrasound, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China

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  • Corresponding author: Xu Zuofeng, Email:newlifexzf77@163.com
  • Received Date: 2014-10-10
    Available Online: 2021-01-19
  • Publish Date: 2015-01-15
    Abstract
  •   Objective  To evaluate the application value of contrast-enhanced ultrasound(CEUS)in the diagnosis of vascular complication(VC)of transplanted kidney.  Methods  Imaging data of conventional ultrasound and CEUS in 28 patients suspected with VC of transplanted kidney were analyzed retrospectively. The results of computed tomography angiography (CTA) or digital subtraction angiography (DSA) were served as the diagnostic standard. The value of CEUS in diagnosing VC of transplanted kidney was analyzed.  Results  No adverse reaction related to contrast agent was observed in 28 patients during the CEUS examination. And 22 cases with VC were confirmed. VCs were detected correctly by CEUS in 17 cases, but 5 cases with transplant renal artery stenosis(TRAS)were missed and 1 case with focal infarction in transplanted kidney was misdiagnosed. The diagnostic sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy of CEUS for VC of transplanted kidney were 0.77, 1.00, 1.00, 0.55 and 0.82, respectively. The diagnostic sensitivity, specificity, PPV, NPV and accuracy of conventional ultrasound and CEUS for TRAS were 0.37 and 0.74, 0.89 and 1.00, 0.88 and 1.00, 0.40 and 0.64, 0.54 and 0.82, respectively. There were significant differences in the sensitivity and accuracy between conventional ultrasound and CEUS (both in P < 0.05).  Conclusions  CEUS is an effective method for detecting VC of transplanted kidney.

     

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