Multifrequency MRE in Evaluation of Chronic Kidney Diseases
Multifrequency Renal MR Elastography in Evaluation of Chronic Kidney Diseases: Can Shear Stiffness Evaluate Renal Fibrosis in GFR-normal Patients?
Shengjing Hospital
200 participants
Oct 10, 2022
OBSERVATIONAL
Conditions
Summary
Chronic Kidney Disease (CKD) is a major public health issue, leading to high mortality and the necessity for renal replacement therapy. Kidney fibrosis, resulting from chronic damage to kidney tissue, significantly determines CKD outcomes. Kidney biopsy, the gold standard for assessing fibrosis, is invasive and limited in its ability to reflect the heterogeneous nature of fibrosis. Consequently, there is growing interest in noninvasive methods, particularly Magnetic Resonance Elastography (MRE). MRE, which evaluates tissue stiffness, has shown potential for assessing kidney fibrosis. This study aims to use multifrequency MRE to assess renal fibrosis, focusing particularly on the early stages of CKD, to enhance understanding of its progression and relationship to clinical outcomes.
Eligibility
Inclusion Criteria1
- (1) adults with CKD defined according to the 2024 KDIGO guidelines, with either elevated SCr or abnormal proteinuria ; and (2) renal MRI was performed within 7 days of the renal biopsy.
Exclusion Criteria1
- (1) genitourinary malignancy, polycystic kidney disease, renal transplantation, or acute renal failure; (2) contraindications for MRI examination; (3) poor image quality; (4) kidney deformity or severe hydronephrosis on MRI; and (5) poorly defined corticomedullary demarcation.
Interventions
Both CKD patients and healthy volunteers will undergo a comprehensive MRI protocol, including T1-weighted imaging, T2-weighted imaging, Magnetic Resonance Elastography (MRE), Intravoxel Incoherent Motion (IVIM), Arterial Spin Labeling (ASL), T1 mapping, Blood Oxygen Level Dependent (BOLD), and Diffusion-Weighted Imaging (DWI) to evaluate liver and renal characteristics. For CKD patients, renal MRI will be performed within 7 days of the renal biopsy . Additionally, blood tests for creatinine and cystatin C, along with blood pressure measurements, will be collected.
Locations(1)
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NCT06202235