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What Cause Swelling in CKD Stage 4

What Cause Swelling in CKD Stage 4Swelling is also called edema or fluid retention which is a common sign of CKD stage 4. This symptom affect body image and if no treatment is given to bring it under control, it may spread to the whole body. Well, what causes swelling in CKD stage 4?

Swelling is observable fluid retention in the body. And in CKD stage 4, this usually firstly appears in eyelid, face, ankles, hands, legs and feet. In such a case, when we press our legs, skin where we press can not go back to normal and there are usually concave.

For patients with CKD stage 4, they mainly suffer from pitting swelling due to:

-retention of fluid and sodium

Kidney has the function to maintain fluid balance and electrolyte balance. CKD stage 4 is marked by GFR(Glomerular Filtration Rate) 15-29, which is a low level and means kidneys can not filter blood as well as they did before. Under such a condition, imbalance of fluid and electrolyte occurs easily. Swelling is caused when there is fluid and sodium retention.

-severe protein leakage

Under normal circumstance, protein are preserved in the body while they flow through kidney with blood. However, in CKD stage 4, kidney structure is damaged and the damaged kidneys can not successfully stop protein from leaking into urine, as a result of which, proteinuria is caused. Protein is an important component of blood. When large amounts of protein are lost in urine, plasma osmotic pressure decreases. Under such a condition, fluid get out of the blood vessels and accumulate among intercellular space, thus leading to swelling.

CKD stage 4 is a relatively severe kidney condition and swelling is just a clinical manifestation of it. If we want to eliminate swelling from root, we need to start from promoting kidney health. In this way, not only swelling, but also many other symptoms also can be permanently cured.

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