The role of diffusion-weighted mri and apparent diffusion coefficient in assessment of diabetic kidney disease: Preliminary experience study

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Abstract

Background: Diabetic kidney disease is the most common cause of ESRD. There is poor correlation between the degree of renal fibrosis and current screening markers. A noninvasive imaging technique is needed to assess the degree of structural changes in the kidney. The aim of this study was to assess the role of apparent diffusion coefficient (ADC) in the diagnosis of diabetic kidney disease. Forty adult diabetic patients with chronic kidney disease as well as 20 age-and sex-matched adult healthy controls were recruited from Nephrology Department of our University Hospital. All patients underwent renal MR-DWI and ADC mapping on a 1.5-T scanner (Philips Achieva) using phased array body coil. Results: Among the studied 40 diabetic patients, five groups of patients were resulted 8 patients for each and the ADC values were inversely correlated with advancement in renal parenchymal affection, ie, in late stages of the disease the ADC values were lower than in early stages. The mean ADC values of renal parenchyma in patients with diabetic kidney disease were considerably lower than that of healthy controls with normal renal function (2.1±0.3x10−3 mm2/s vs 2.4±0.1x10−3 mm2/s with p<0.001). Conclusion: ADC value is a possible noninvasive technique in evaluating the stage of renal dysfunction with assessment of disease progression.

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Osman, N. M. M., Kader, M. A., Nasr, T. A. E. A., Sharawy, M. A., & Keryakos, H. K. H. (2021). The role of diffusion-weighted mri and apparent diffusion coefficient in assessment of diabetic kidney disease: Preliminary experience study. International Journal of Nephrology and Renovascular Disease, 14, 1–10. https://doi.org/10.2147/IJNRD.S254022

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