Acute renal puncture in the diagnosis of renal failure in what role?

According to the history of the disease, special clinical manifestations, and the seizure of blood tests and the response to drug treatment and prognosis, It is not difficult to make general clinical acute renal failure and the cause of the diagnosis, but in unknown etiology, clinical features not typical, can not explain the rapid decline in renal function causes a short period of time, especially in suspected acute crescentic glomerulonephritis, acute Streptococcal infection nephritis, IgA nephropathy, mesangial proliferative glomerulonephritis, and other primary glomerulonephritis and systemic lupus erythematosus, nodular artery secondary renal injury induced acute renal failure , Etiology and diagnosis often difficult to develop effective and correct treatment programs, this time with general conditions in the permit, shall be sought early renal biopsy, with a view to early diagnosis and formulate correct treatment programs, early treatment. At this point in time the oak by renal biopsy diagnosis of acute renal failure where success can play a decisive role.