Fibrinogen to Albumin Ratio (FAR) as a Predictive Biomarker for Lupus Nephritis (LN)

Lupus Nephritis

Fibrinogen to Albumin ratio as a predictive biomarker for lupus nephritis (LN)

Systemic lupus erythematosus is a chronic autoimmune disease often coexists with other diseases and damages multiple organs such as kidney liver nervous system and so on. Lupus nephritis is clinically evident in 50-60% of patients with systemic lupus erythematosus and it is histologically evident in most SLE patients even those without clinical manifestations of kidney disease . The current standardized classification system for lupus nephritis is derived from the World Health Organization and the International Society of Nephrology/Renal Pathology Society's recommendations. The classification system is based on glomerular morphologic changes seen on microscopy immune deposits seen on immunofluorescence and also electronic microscopy. Class 1 - Minimal Mesangial Lupus Nephritis. Class 2 - Mesangial Proliferative Lupus Nephritis. Class 3 - Focal Lupus Nephritis. Class 4 - Diffuse Lupus Nephritis. Class 5 - Membranous Lupus Nephritis. Class 6 - Advanced Sclerosis Lupus Nephritis. Fibrinogen (FIB) is an acute time response protein rises rapidly in inflammation infection myocardial infarction and tumor. The formation and deposition of immune complexes are important mechanism of lupus nephritis the infiltrate of inflammatory cells and the release of inflammatory factors cause renal injury resulting in the decreasing concentration of albumin. The fibrinogen-to-albumin ratio as a new inflammatory marker has been proved to have good predictive value in the diagnosis and prognosis of diabetic nephropathy acute renal injury SLE disease and so on.

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