Chronic kidney disease is further categorized in to several stages in order to provide the exact mode of treatment accordingly. The early stages of this disease do not need to have drastic changes in the lifestyle and physician intervention. However, the more chronic stages need to have more restrictions as well as better control on a person’s lifestyle and eating habits. A nutritionist helps such patients plan their diets accordingly.
Protein is an essential component in one’s life and needs to be present in their diets in almost all the stages of life. Improper restrictions on the protein intake can actually be harmful for the body. Kidney conditions generally needs to have a lower protein intake but such patients tend to face a lot of difficulty as they crave for foods which are high in protein.
When the body consumes proteins, it is changed into amino acids which are transformed in to the amino acids, enzymes or hormones that are needed by the body. Sleep, digestion, ovulation and other such processes need these hormones for their proper execution. The waste that is left behind is filtered by the kidneys. Kidneys are so powerful that they can filter approximately 18 gallons of blood every hour. That is why, these organs are able to filter 60% of the body’s fluid.
When a kidney is damaged or undergoes disease/infection, it is unable to filter the waste that is produced due to the breakdown of protein. The Glomerular Filtration Rate (GFR) shows the progress of this disease. GFR is acceptable at Stage 1 which however, signifies that the kidneys are not working properly and that there is something wrong with them due to the variation in protein found in the urine. Dialysis is not done until stage V is achieved.
When the disease progresses to Stage V, the patients would have to undergo lifelong dialysis treatment unless they undergo a kidney transplant. Sometimes though, patients cannot be prepared for transplants due to some limiting factors such as some medical condition or other complication. The GFR is the fifth stage of disease is less than 15 which shows that the kidneys are running at about less than 10% of their total capacity.
Stage V patient and its diet:
A reduced protein diet is indicated for patients who are in Stage I to Stage IV of the kidney disease. Initially the protein reduction doesn’t seem to be a major change as it is decreased from 14-18% to 10%. Even in a vegan, there is about 10-12% protein so patients generally find it easy to comply with this change. However, it is important that a physician is consulted before bringing about such a huge change in their diet so that unwanted complications are avoided.
In Stage V, there is direct chronic renal failure so the protein restriction is not important as these patients have to undergo dialysis regularly and therefore, need good nutrition. Moreover, enhanced amount of protein is needed so that the body is stronger. Sodium, potassium and phosphorus are therefore restricted. The fluid intake should also be reduced. Therefore, the dialysis patient has to undergo a limited dietary intake in order to avoid complications.
The procedure of dialysis involves the use of a machine to filter the waste from the blood. It therefore does the functions of the failing kidneys. This process normally takes some hours and has to be done thrice a week for effectiveness. That is why, the patients’ diet is carefully monitored so that they have enough calories to keep their muscles in shape and have a healthy body. The protein is therefore needed from high amino acid sources like eggs, dairy products and meat. Some other high protein foods are not recommended in this case as they do not have all the important amino acids that are needed such as beans, nuts and butter. That is why eggs and meat are preferred by the dieticians. Protein supplements can also be utilized as an important element of the diet so as to maintain a steady amount of protein into the system. About 25% of the daily requirement needs to be made up of protein in such patients. However, those protein foods that are high in phosphorous would need to be restricted such as organ meats, sardines, chocolate, dried beans, bran cereals and brown rice. An early sign of phosphorous is extremely itchy skin which denotes excessive phosphorous content inside the blood.
Using supplements for extra protein source:
For someone who has last stage renal failure, it is important that the protein amount should be doubled. However, these patients would still face exhaustion, lack of appetite and nausea due to which consuming nutrients gets difficult. That is why protein supplements are very useful in this case. They come in different forms which are as follows:
Powder form: Protein supplements, in the form of powders come in different types: egg, soy, rice and whey. Whey powder enhances the immunity and helps the muscles be in proper shape. However, because whey is derived from milk, therefore, some people might not be able to take it.
Shakes: Protein shakes are also a good source of proteins and are available in different varieties such as those for the diabetics, etc.
Shots: Supplement shots are also available which are in a smaller serving quantity as compared to the shake but have the same protein and nutritional benefits.
Snacks: Especially formulated bars and puddings are available which are a good protein source. Those with more sugar content should be avoided as excessive sugar degrades the immunity.


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