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With chronic nephritis and acute nephritis the relationship between the non-positive, according to the clinical data of patients with chronic nephritis, only 15% -20% have a clear history of acute nephritis. The onset of chronic nephritis approach can be summarized as the following five kinds: 1. Acute glomerulonephritis onset, not completely controlled, clinical symptoms and urinary protein persisted, persistent for more than a year, while the evolution of chronic nephritis. 2.There was definitely a comprehensive history of acute nephritis, after a few weeks or months convalescence after the disappearance of clinical symptoms and urinary abnormalities, renal function was normal. After a long interval (for the elderly up to years) later, because of upper respiratory tract or other infections or over-exertion, sudden proteinuria, edema, or (and) high blood pressure and other symptoms of nephritis. 3.Over the past history of non-nephritis due to upper respiratory tract or other infections, marked edema and massive proteinuria and other symptoms of Nephrotic Syndrome. 4.A previous history of nephritis, proteinuria appeared in the short term, progressive hypertension and (or) renal insufficiency. 5.Over the past history of non-nephritis, often due to fatigue after infection or hematuria and (or) proteinuria, after a short break to reduce or disappear soon after. Such repeated attacks, no obvious clinical symptoms. 2010-03-13
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