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Ultrasound Q. 2018 Dec 28. doi: 10.1097/RUQ.0000000000000404. [Epub ahead of print]

Ultrasound Elastography Evaluations in Patient Populations With Various Kidney Diseases.

Author information

1
Nephrology and.
2
Radiology Departments, Kahramanmaraş Sutcu Imam University, Faculty of Medicine, Kahramanmaras, Turkey.

Abstract

Renal elastography is an ultrasonographic method that has been recently found to provide information on renal functions and fibrosis. In this study, we aimed to investigate the relationship between elastography scores and renal functions and proteinuria levels in patient populations with various kidney diseases. Seventy-five diabetic nephropathy patients, 66 kidney transplant patients, and 45 glomerulonephritis patients were included in the study. The amount of proteinuria was measured according to the protein-to-creatinine ratio in spot urine samples. The estimated glomerular filtration rate (eGFR) was calculated according to the Modification of Diet in Renal Disease formula. Ultrasound elastography scores were measured in each patient group by a radiologist. The mean age of diabetic nephropathy patients was 61 ± 10 years. The mean elastography score was 0.96 ± 0.30. Elastography score was positively correlated with serum blood urea nitrogen and creatinine levels and was negatively correlated with eGFR value. The mean age of kidney transplant patients was 42 ± 12 years. The mean elastography score was 1.10 ± 0.38. There was a significant relationship between elastography score and proteinuria level. The mean age of glomerulonephritis patients was 37 ± 13 years. The mean elastography score was 0.91 ± 0.41. Elastography score was positively correlated with serum blood urea nitrogen and creatinine levels. However, there was no relationship between elastography score and eGFR value and proteinuria level. Although renal elastography provides information on renal functions and proteinuria in patients with diabetic nephropathy, renal transplant, and glomerulonephritis, there is a need for studies with a larger number of patients on this subject.

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