Why does low protein cause ascites?
May 15, 2023
Source: Cainiu Health
Dr. Zhou Chao
Introduction
Hypoproteinemia refers to low levels of protein in the blood. When hypoproteinemia leads to ascites, it is likely associated with factors such as impaired liver function and renal insufficiency. Significant loss of protein within the intestines results in decreased plasma protein concentration and reduced colloid osmotic pressure, causing fluid to leak from the vascular system into the abdominal cavity and leading to edema. It is recommended to moderately increase intake of milk, soy products, and eggs in daily diet.
Hypoproteinemia refers to low levels of protein in the blood. It may lead to ascites, possibly related to factors such as protein loss, liver dysfunction, and renal insufficiency. A detailed analysis is as follows:
1. Protein loss
Excessive loss of protein within the intestines leads to decreased plasma protein concentration and reduced colloid osmotic pressure, causing fluid to leak from the vascular system into the abdominal cavity, resulting in edema. It is recommended to appropriately increase daily intake of protein-rich foods such as milk, soy products, eggs, and beef to help alleviate symptoms.
2. Liver dysfunction
The liver is the primary organ responsible for synthesizing plasma proteins. When liver function is impaired or diseased—such as in cirrhosis or hepatocyte degeneration—synthesis of plasma proteins decreases, leading to lower plasma protein concentrations and reduced colloid osmotic pressure. This causes fluid to escape from blood vessels into the abdominal cavity, resulting in symptoms such as liver-area pain, jaundice, and edema. As directed by a physician, medications such as reduced glutathione tablets or tiopronin tablets may be used for liver protection and treatment.
3. Renal insufficiency
The kidneys are organs that maintain fluid balance in the body. When conditions such as nephritis or nephrotic syndrome occur, large amounts of protein may be excreted in the urine, leading to decreased plasma protein levels and potentially causing symptoms like proteinuria and edema. Depending on the underlying cause of renal insufficiency, medications such as Jinshuibao capsules, nifedipine sustained-release tablets, or lanthanum carbonate chewable tablets may be prescribed under medical guidance.
In addition to the above common causes, not all cases of ascites are associated with hypoproteinemia. In some patients, the condition may also result from chronic heart failure, connective tissue diseases, malignant tumors, and other factors. If symptoms of ascites develop, it is advisable to cooperate actively with a physician to identify the underlying cause and receive standardized treatment as directed.
