What is the renal edema? What are the characteristics of renal edema?

The body edema caused by renal dysfunction is called renal edema. The characteristic of renal edema is that edema first occurs in the area of loose tissue, and it is clinically concave and swollen.
What are the causes of renal edema?
Renal edema mainly has two causes: one is a decline in glomerular filtration, while the renal tubular reabsorption of sodium to water is good, which leads to sodium water storage to slip. It is often associated with the increase of blood capillary permeability of the whole body, so the organization clearance moisture storage to slip, mainly seen in nephritis. Another reason is that a large number of proteinuria+ results in low plasma protein levels.
What is the renal edema? What are the characteristics of renal edema?
How is the nephrotic edema patients diet principle?
The specific principle is: the daily salt intake of patients with severe edema should be 1.7~2.3 grams. The daily salt intake of patients with mild to moderate edema is 2.3~2.8 grams.
In addition to low-salt diets, severe edema accompanied by severe hypoalbuminemia should be given a protein intake of 1g per kilogram of body weight in the case of proteinuria.
Patients with mild to moderate edema should consume 0.5 to 0.6g of protein per kg of weight per day.
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