The diagnosis of acute glomerulonephritis and differential diagnosis

Often the streptococcus infection 1 to 3 weeks in hematuria, proteinuria, edema and hypertension, and other clinical features, Even oliguria azotemia and acute nephritis, and other integrated performance, with total serum C3 fall and complement decline. Urinary protein-positive urine checks, RBC, WBC, and possession of urine. Conditions in the incidence eight weeks in gradually reduced to return fully to normal, can be clinically diagnosed as acute nephritis. Symptomatic treatment, if the glomerular filtration rate of decline or disease in 1-2 months before the full turn for the better should be timely for renal biopsy to clear diagnosis. First, the acute onset of glomerular nephritis disease syndrome 1, other pathogens acute nephritis after infection many bacteria, viruses and parasites infection can cause acute nephritis. Currently more than more common types of viruses such as varicella - zoster virus, and other flu very period after 3-5 days or infection, the virus infected the majority of clinical manifestations of acute nephritis lighter, often without lowering serum complement, and rarely edema hypertension, kidney function normal, clinical process self-limited. 2, mesangial glomerulonephritis also known as capillary membrane proliferative glomerulonephritis, in addition to clinical manifestations of acute nephritis syndrome, often with nephrotic syndrome, the tendency to self-healing lesions remains unresolved. 50% - 70% of the patients with persistent hypocomplementemia, eight weeks does not resume. 3, mesangial proliferative glomerulonephritis (IgA nephropathy and non-IgA mesangial proliferative glomerulonephritis) of the patients showed a precursor to acute nephritis infection syndrome, serum C3 normal, non-self-healing illness tendencies. Patients with IgA nephropathy disease incubation period is short, can be infected after a few hours to a few days a gross hematuria, recurrent hematuria can be partly elevated serum IgA. Second, rapidly progressive glomerulonephritis with the onset of acute nephritis similar But with the exception of acute nephritis syndrome, often early in oliguria, anuria rapid deterioration of renal function features. Severe acute nephritis showed acute renal failure and the difficult identification of the disease, should be timely for a clear diagnosis of renal biopsy. Third, systemic disease renal involvement in systemic lupus erythematosus nephritis and Henoch - Schonlein Purpura Nephritis acute nephritis, and so can show syndrome, but other systems involved with the typical clinical presentation and laboratory tests, which we can identify. When clinical diagnosis difficulties, in patients with acute nephritis renal biopsy to be taken into account for a clear diagnosis, treatment guidance. The indication for renal biopsy: 1, oliguria or more than a week of urine associated with reduced renal function deterioration; 2, the course for more than two months without improved trend; 3, acute nephritis with nephrotic syndrome, syndrome .