Kidney disease syndrome is classified as what disease?

Written by Zhang Hui

Nephrology

Updated on September 28, 2024

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Nephrotic syndrome is a clinical subtype of chronic kidney disease. It can be diagnosed when there is significant proteinuria, hypoalbuminemia, accompanied by edema and hyperlipidemia. This represents a severe stage in the progression of kidney diseases, generally requiring treatment with steroids and immunosuppressants. Nephrotic syndrome may have complications such as thrombosis, infections, hyperlipidemia, and acute renal failure.

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Written by Hu Lin

Nephrology

1min 19sec

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Do you take steroids for nephrotic syndrome?

Once nephrotic syndrome is diagnosed, corticosteroid therapy becomes a primary treatment, and the commonly used steroid is prednisone. If there is liver damage or the treatment effect of prednisone is not good, oral prednisolone or intravenous methylprednisolone can be used. Due to its long half-life and severe side effects, dexamethasone is now generally less used. The course of treatment with corticosteroids for nephrotic syndrome is relatively long, needing about one to one and a half years. During this process, the use of steroids has three phases: the initial full-dose phase, during which a relatively large dose of the hormone is used for about two to three months; the second phase is a slow reduction process; the third phase is a low-dose maintenance process. Overall, during the use of steroids, patients must regularly follow up at outpatient clinics, and adjust the steroids according to the doctor's advice. One must not arbitrarily reduce the dose or stop the medication, as this can easily lead to a relapse of nephrotic syndrome.

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Written by Zhou Qi

Nephrology

53sec

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Nephrotic syndrome urine output

Patients with nephrotic syndrome vary in the amount of urine they produce. Some patients have normal urine output and may not exhibit obvious symptoms of edema, but others may have reduced urine output, which can even lead to acute renal failure. Nephrotic syndrome emphasizes that the glomerular filtration barrier is damaged, resulting in a large amount of urinary protein, with a 24-hour urinary protein quantitative exceeding 3.5 grams. This situation highlights the decreased ability of the filtration barrier to retain proteins in the blood, meaning the integrity of the filtration barrier is compromised. However, the kidney's ability to excrete water and metabolic waste is not indicated by the term "nephrotic syndrome" itself, thus the patient's urine output can vary.

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Written by Wu Ji

Nephrology

48sec

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Criteria for the diagnosis of nephrotic syndrome

The diagnostic criteria for nephrotic syndrome include massive proteinuria, with urinary protein greater than 3.5 grams/day, hypoalbuminemia, with plasma albumin less than 30 grams/liter, severe edema, and hyperlipidemia, which includes significant increases in plasma cholesterol and triglycerides. The first two criteria are essential for the diagnosis of nephrotic syndrome, while the latter two are secondary. Clinically, if the two necessary criteria are met, the diagnosis of nephrotic syndrome is established. Patients with nephrotic syndrome should undergo a renal biopsy to determine the pathological type and guide clinical treatment.

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Written by Zhou Qi

Nephrology

57sec

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Is nephrotic syndrome easy to treat in children?

The diagnostic criteria for nephrotic syndrome are a 24-hour urinary protein quantification exceeding 3.5g and plasma albumin levels below 30g/l. This is due to severe damage to the glomerular capillary network, which has many pathological types since there are various components to the glomerular capillaries, and damage to different components is referred to as different pathological types. Among children, the most common pathological types are minimal change disease and mesangial proliferative glomerulonephritis. These two types are relatively easier to treat. Most children are sensitive to steroid medication. However, treatment becomes difficult with other pathological types, such as focal segmental glomerulosclerosis, which shows less sensitivity to steroids. (Medication use should be under the guidance of a doctor.)

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Written by Zhou Qi

Nephrology

51sec

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How long will it take for nephrotic syndrome to get better?

Most cases of nephrotic syndrome are primary nephrotic syndrome, which refers to the absence of specific causes and may be related to immune dysfunction. The disordered immune system attacks the glomerular capillaries causing damage to the filtration barrier, resulting in the patient excreting large amounts of urinary protein. For primary nephrotic syndrome, treatment generally involves the use of corticosteroids or a combination of hormones and immunosuppressants. About 50-60% of patients respond effectively to the medication, which typically takes about two months to take effect. Patients who respond quickly might see effects within one to two weeks, while those with less sensitivity to the medication may need three to four months. The general course of medication is about one year.