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  • 1
    Publication Date: 2018-03-12
    Description: Purpose The purpose of this study was to evaluate the utility of intravoxel incoherent motion diffusion-weighted imaging (IVIM DWI) parameters in identifying early renal function changes in diabetics. Methods A total of 40 patients with type 2 diabetes mellitus and 20 healthy control subjects underwent multiple b value DWI. The diabetic patients were stratified into two groups based on albuminuria category: NAU (normal to mildly increased albuminuria; ACR 〈 30 mg/g) and MAU (moderately increased albuminuria; 30 ≤ ACR 〈 300 mg/g). The mean cortical and medullary IVIM parameters ( D , D *, f , and ADC) were calculated and compared among the different groups, and the correlation of ACR and eGFR was also calculated. Results The present study revealed the limited water molecule diffusion and hyperperfusion of renal cortex and medulla in diabetic patients before proteinuria detection. Mean cortical and medullary D values negatively correlated with the ACR values in diabetics with 30 ≤ ACR 〈 300 mg/g, whereas no correlation was found between ACR values and other IVIM parameters. Conclusion IVIM DWI might be helpful in noninvasively identifying early-stage DN. The IVIM parametric values are more sensitive than the ACR in detecting early-stage kidney changes.
    Electronic ISSN: 1432-0509
    Topics: Medicine
    Published by Springer
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