What tests are conducted for nephrotic syndrome?

Written by Zhang Hui

Nephrology

Updated on September 25, 2024

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Patients with nephrotic syndrome need to complete routine urine tests, 24-hour urine protein quantification, liver and kidney function tests, routine blood tests, electrolyte panels, blood glucose tests, and lipid profiles. Additionally, it is important to determine the cause of nephrotic syndrome, excluding the possibility of nephrotic syndrome caused by immune system diseases, including tumors, vasculitis, lupus, and other diseases. These tests include rheumatoid immune panels, antinuclear antibody spectrum, anti-GBM antibodies, ANCA panel, and immunoglobulins. Moreover, these patients should undergo kidney ultrasound, tumor marker tests, and thyroid function tests.

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Written by Zhou Qi

Nephrology

56sec

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Is nephrotic syndrome contagious?

So, nephrotic syndrome is a general term for a group of clinical symptoms, a state of disease, and is not essentially an independent disease. Thus, this problem is not infectious. This disease describes the damage to the kidneys due to some reason, leading to the disruption of the integrity of the glomerular filtration barrier, resulting in the patient developing a significant amount of urinary protein. The disease itself is not contagious. However, there are very few cases of nephrotic syndrome that might be caused by hepatitis B virus infecting the kidneys. In such cases, the hepatitis B virus may have a certain level of contagiousness, but even so, it does not imply that nephrotic syndrome itself is contagious. In other words, even if such patients transmit hepatitis B to others, it does not necessarily mean those others will exhibit kidney damage.

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Written by Zhou Qi

Nephrology

40sec

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Can nephrotic syndrome be clinically cured?

Nephrotic syndrome, a disease that clinically cannot be completely cured, is a chronic illness with no concept of cure. However, with appropriate treatment plans, many patients can achieve effective relief. There are two criteria for judging treatment effectiveness: first, the patient's 24-hour urinary protein quantification is controlled below 0.5 grams, and even can be controlled below 0.3 grams. Second, the patient's 24-hour urinary protein quantification is reduced by more than half compared to the baseline value. Both scenarios indicate effective treatment, but achieving a complete cure is difficult.

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Written by Wu Ji

Nephrology

57sec

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What is nephrotic syndrome?

Nephrotic syndrome is a common manifestation of glomerular disease, caused by a variety of etiologies, with large differences in treatment response and prognosis. The pathological causes of nephrotic syndrome are diverse, with the most common types being minimal change disease, focal segmental glomerulosclerosis, mesangial proliferative nephritis, membranous nephropathy, and membranoproliferative glomerulonephritis. Nephrotic syndrome can be classified into primary and secondary types based on its cause. The diagnosis of primary nephrotic syndrome mainly depends on the exclusion of secondary nephrotic syndrome. Common causes of secondary nephrotic syndrome include diabetic nephropathy, lupus nephritis, renal amyloidosis, drug-induced nephropathy, and renal tumors.

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Written by Yan Xin Liang

Pediatrics

56sec

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What is good for children with nephrotic syndrome to eat?

Nephrotic syndrome is mainly due to increased permeability of the glomerular basement membrane, leading to a syndrome characterized by heavy proteinuria, hypoalbuminemia, hyperlipidemia, and severe edema. The dietary requirements for this disease include low salt, low fat, and high-quality protein diet. Therefore, it is best to use less salt in dishes, and also, one should not drink too much water, as excessive water intake can easily cause sodium and water retention. Additionally, too much sodium can also lead to sodium and water retention and the development of hypertension. Foods rich in fats, fatty meats, and seafood should be avoided, while high-quality proteins generally include lean meats, beef, milk, eggs, etc. Consumption of such high-quality proteins and soy products should be limited.

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Written by Zhou Qi

Nephrology

1min 6sec

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Characteristics of Nephrotic Syndrome

The characteristic feature of nephrotic syndrome is that patients may experience edema, which is related to the nature of this disease. The essence of this disease is due to some reason that damages the glomerular capillary filtration barrier. As a result, when blood passes through the glomeruli, it leaks proteins from the blood. A 24-hour urinary protein quantification will exceed 3.5 grams, which constitutes a large amount of urinary protein. Consequently, a large amount of protein is leaked into the urine, causing the protein concentration in the plasma to decrease. This leads to a reduction in the colloidal osmotic pressure of the plasma, causing fluid to move from inside the blood vessels to outside, thus leading to edema. Therefore, the most significant clinical feature of nephrotic syndrome is the potential to cause edema, and severe cases of edema may elevate blood pressure, lead to pulmonary edema, manifesting as difficulty breathing, chest tightness, and shortness of breath.