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Causes Of Kidney Stones And Main Components Of Kidney Stones

Causes Of Kidney Stones And Main Components Of Kidney Stones


The incidence of kidney stones has increased year by year, which may be related to our bad habits. Although the incidence of kidney stones is high, many people do not know much about kidney stones. How is kidney stone formed? What is the composition of kidney stones? I believe many of my friends are not clear about these issues. Today we will come together to discuss these issues.

First, The Cause Of The Formation Of Kidney Stones

  1. The cause of kidney stones is related to excessive protein. Frequent overdose of high-protein foods generally increases the levels of calcium, oxalic acid, and uric acid in the kidneys and urine. If the excess calcium, oxalic acid, and uric acid are not excreted through the kidney function in a timely and effective manner, kidney stones may appear.
  2. Fat intake is too much. Meat of various animals, especially fat pork, is a fat food. Eat more body fat will increase, fat will reduce the binding of calcium in the intestine, thus causing increased absorption of oxalate, if there is a discharge function failure, such as sweating, drinking less water, less urine, kidney stones It is likely to form in this case.
  3. Too much accumulation of oxalic acid is also easy to cause the emergence of kidney stones. The large accumulation of oxalic acid in the body is the cause of common kidney stones. Such things as spinach, beans, grapes, cocoa, tea, oranges, tomatoes, potatoes, plums, bamboo shoots, etc., which people generally like, are foods with higher oxalic acid. This is also a factor that causes the cause of kidney stones.


Second, The Main Components Of Kidney Stones

  1. Calcium oxalate: the most common, accounting for more than 80% of kidney stones, formed in acidic or neutral urine, the incidence of mostly young adults, more common in men. Often yellow-brown or stone-copper, smooth surface (calcium oxalate monohydrate), rough (calcium oxalate hydrate), male onset is more common, more family history, clearly visible on x-ray films. There is often calcium oxalate crystals in the urine sediment. Low calcium and low oxalic acid diet. Eat less milk and dairy products, soy products, meat, animal offal (such as liver, heart, kidney, intestines, etc.), as well as chocolate, tea, sesame, egg yolk, mushrooms, spinach, shrimp, radish, celery, potatoes and so on. Cellulose in food can reduce the formation of urinary calcium. For example, wheat bran bread and rice bran in wheat bran food have the same effect. It is effective for recurrent high calcium urinary stones. Vitamin B1 and vitamin B6 deficiency increase urinary oxalate. Foods of this type of vitamins, such as grains, dried fruits, and hard fruits.
  2. Uric acid stones: 6% of the stones, formed in acidic urine, when the urine pH value is greater than 6.7, the stones dissolve, more common in men. The surface is smooth, often in the shape of a staghorn, yellow or tan, with a hard texture, which is unclear or invisible on the x-ray film. More common in men, especially gout patients are more common, usually with family history. Uric acid crystals can be seen in the urine sediment.
  3. Calcium phosphate: accounted for 6-9% of stones, formed in alkaline urine, but also more common in male youth. The stone is white, the surface is rough, often antler-shaped, and the texture is hard. Often formed in alkaline urine. It is more common for young and middle-aged men to learn medical education. It has a family history and is clearly visible on x-ray films. The diet of calcium phosphate stones is the same as calcium oxalate stone. In low-phosphorus foods, meat, fish and bone soup should be eaten less.
  4. Magnesium phosphate stone: 10% of the stone, formed in alkaline urine, urine PH value less than 7.2 when the stone dissolved, more common in women. The color of the stone is yellow or dirty, and it is dendritic or antler-shaped, and the texture is soft. More common in women, more patients with urinary tract infections, can not pass the x-ray. Magnesium ammonium phosphate crystals can be seen in the urine sediment. Protein intake should be limited and the total daily intake of protein should be between 48-80 grams (0.8-1.0 g/kg/day). Generally, vegetables with leaves contain about 10 grams of protein per kilogram, lean meat contains about 10 grams of protein per 50 grams, and cereals contain 35-60 grams of protein per kilogram. To increase the amount of fresh vegetables and fruits. Vegetables and fruits contain vitamin B1 and vitamin C. Their final metabolites are alkaline in the body. Uric acid is easily dissolved in alkaline urine, which is beneficial for treatment.


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