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Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
Chronic kidney disease in patients with chronic hepatitis C virus infection
Omer Shahab1, Pegah Golabi2, Zobair M Younossi3,2
1Center for Liver Disease, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA.
Insights
Hepatitis C virus (HCV) infection can impact kidneys, increasing risks for chronic kidney disease and poorer transplant outcomes. Early screening for renal impairment in HCV patients is crucial for timely management and improved health.
Area of Science:
- Nephrology
- Hepatology
- Virology
Background:
- Hepatitis C virus (HCV) infection impacts multiple organs beyond the liver.
- Extrahepatic manifestations of HCV, particularly renal complications, are underappreciated.
- HCV patients face elevated risks of chronic kidney disease, end-stage renal disease, and adverse kidney transplant outcomes.
Purpose of the Study:
- To review current understanding of renal complications associated with chronic HCV infection.
- To highlight the importance of timely screening for kidney disease in HCV patients.
- To provide an updated assessment of HCV-related renal disorders.
Main Methods:
- Literature review of studies on HCV and renal complications.
- Analysis of current guidelines for kidney disease screening in HCV patients.
- Categorization and description of various HCV-associated glomerulonephritis and hepatorenal syndrome.
Main Results:
- HCV is linked to diverse renal disorders, including cryoglobulinemic glomerulonephritis, membranoproliferative glomerulonephritis, and hepatorenal syndrome.
- Cryoglobulinemic glomerulonephritis, often asymptomatic, is a common HCV-related renal issue.
- Hepatorenalsyndrome may be reversible post-kidney transplantation.
Conclusions:
- Timely screening for renal impairment is essential for all HCV patients.
- Understanding the spectrum of HCV-associated kidney diseases is critical for patient management.
- Early detection and management of renal complications can improve outcomes in HCV-infected individuals.
Abstract:
Hepatitis C virus (HCV) infection affects many organs in the body, including the liver, kidneys, skin, joints and others. Although the hepatic manifestation of HCV has been widely studied, the extrahepatic manifestations of HCV have not been fully appreciated. Studies have shown that patients with HCV have a higher risk of chronic kidney disease and end-stage renal disease, as well as poorer outcomes after kidney transplantation. Given these findings, it is important to screen HCV patients for presence of renal impairment in a timely manner. Current guidelines recommend screening for kidney disease at the time of HCV diagnosis, along with annual urinalysis and creatinine checks. It is important to note that chronic HCV infection has been associated with a number of renal disorders, including cryoglobulinemic glomerulonephritis, membranoproliferative glomerulonephritis, membranous nephropathy, focal segmental glomerulosclerosis, IgA nephropathy, fibrillary and immunotactoid glomerulopathies, and hepatorenal syndrome. Of these, while HRS can be reversible post-transplantation, cryoglobulinemic glomerulonephritis is common and is primarily caused by mixed cryoglobulinemia. These patients may be asymptomatic or may present with hematuria, proteinuria, nephrotic syndrome, or impaired renal function only detected by laboratory data. In this review, we will provide an up-to-date assessment of these renal complications in patients with HCV infection.
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