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KMID : 1040420220260020069
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Childhood Kidney Diseases
2022 Volume.26 No. 2 p.69 ~ p.73
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Measurement of urinary protein in children
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Cho Myung-Hyun
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Abstract
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Proteinuria is an early hallmark of kidney disease and a major risk factor for systemic cardiovascular diseases. There are several methods to measure proteinuria, such as the urine dipstick test, 24-hour urinary protein excretion method, and spot urine for the protein-to-creatinine ratio. The urine dipstick test is simple but inaccurate. The 24-hour urinary protein excretion method is the gold standard; however, it is cumbersome, especially in children. Spot urine for the protein-to-creatinine ratio is simple and accurate, but has limitations. Specific urinary protein such as albumin can be measured instead of the total protein content. Tests should be avoided in situations that cause transient proteinuria or false-positive results. It should be performed correctly, and its limitations should be recognized and interpreted accurately.
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KEYWORD
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Albuminuria, Child, Proteinuria, Urinalysis
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