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Colegio de Medicos y Cirujanos República de Costa Rica

2012, Number 603

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Rev Med Cos Cen 2012; 69 (603)

Proteinuria

Cubillo BB

Language: Spanish
References: 10
Page: 351-355
PDF size: 188.99 Kb.


ABSTRACT

Proteinuria is defined as the urinary excretion of more than 150 mg of protein in 24 hours. Proteinuria has been used as a marker of renal disease, becoming one of the nephrologists’ most used markers. Normally, an individual filters 5000mg of proteins each day, of which 4950 mg are reabsorbed in the proximal kidney tubule. In the present article we analyze the different types of proteinuria based on pathophysiological concepts. Currently, there are many laboratory methods for proteinuria quantification, but the proteinuria/creatinuria ratio and the 24 hour urine collection continue to be the more commonly utilized. Proteinuria has been shown to be individually the most important factor used to predict the progression of renal disease. Proteinuria is more than just proteins in the urine, it’s a sign of alert.


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