What can diabetic nephropathy eat?

Written by Pan Wu Shan
Nephrology
Updated on September 26, 2024
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Diabetic nephropathy, as the name suggests, is a complication of the kidneys caused by long-term poor control of blood sugar in diabetes. Its most typical symptoms include significant proteinuria and potential body edema. Generally, there is no particularly good method to treat diabetic nephropathy; firstly, it is necessary to control blood sugar well, ensuring that fasting blood glucose does not exceed 7 mmol/L, and blood glucose two hours after a meal does not exceed 10 mmol/L. Additionally, some kidney-protective measures can be used to reduce urinary protein, etc. Furthermore, foods high in sugar, fried foods, and those high in starch should be avoided, such as potatoes, taro, sweet potatoes, and vermicelli, all of which should be consumed less.

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Written by Hu Lin
Nephrology
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How to prevent and treat diabetic nephropathy

The prevention and treatment of diabetic nephropathy include the following 6 aspects: The first is changing lifestyle, including controlling weight, diabetic diet, quitting smoking, quitting alcohol, and appropriate exercise. Changing lifestyle is the foundation of blood sugar control and a key to improving various metabolic disorders. The second is blood sugar control. Strict blood sugar control is the most important means to prevent the occurrence and development of diabetes and diabetic nephropathy. Under normal kidney function, it is recommended to keep glycated hemoglobin below 6.2%. For patients with abnormal kidney function or elderly patients, it can be relaxed to 7%. The third is to reduce blood pressure and proteinuria. The most commonly used medications are ACE inhibitors and angiotensin receptor blockers. Once diabetic microalbuminuria appears, blood pressure should be controlled below 130/80 mmHg. The fourth is to restrict the intake of dietary protein, with a focus on animal protein, i.e., high-quality protein. Early stage protein intake should be controlled at 0.8-1g/kg; for patients who have developed renal failure, controlling protein intake at 0.6-0.8g/kg is more appropriate. The fifth involves controlling other factors, including a low-salt diet and treating hyperlipidemia. The sixth is the treatment of end-stage diabetic nephropathy. Since diabetic nephropathy patients frequently have cardiovascular complications and symptoms of uremia appear earlier, it is appropriate to start dialysis treatment early. (Please take medications under the guidance of a doctor.)

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Written by Zhou Qi
Nephrology
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How many years can a person with diabetic nephropathy live?

Diabetic nephropathy is divided into several stages, from mild to severe. In the early stage, patients only have an increased glomerular filtration rate and the proteinuria is not significant. As the disease progresses, the protein in the urine increases, eventually leading to renal failure and even developing into uremia. The entire process can last many years, with some patients experiencing it for up to ten years. In fact, when diabetic nephropathy progresses to its final stage, uremia, patients still have many treatment options, such as hemodialysis, peritoneal dialysis, or kidney transplantation, and even combined kidney and pancreas transplantation. Therefore, how long a patient can live depends on the patient's age, presence of cardiovascular and cerebrovascular diseases, and the choice of treatment methods, among other factors.

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Nephrology
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Can diabetic nephropathy with swollen feet be treated?

Diabetic nephropathy in the middle and later stages can cause edema, especially in patients with significant proteinuria or renal failure. Many patients can even experience generalized edema. For such patients, swollen feet and swelling in other parts of the body can be considered for appropriate use of diuretics to increase urine output and eliminate edema. However, generally, the extensive use of diuretics is not actively advocated because excessive diuresis can also lead to significant protein loss and even cause insufficient blood volume, affecting the blood supply to the kidneys. Nevertheless, some patients with severe conditions that cause pulmonary edema and heart failure may not respond well to diuretics. In such cases, dialysis ultrafiltration may be required to remove water, alleviate edema, and reduce cardiac stress.

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Written by Zhou Qi
Nephrology
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Is stage three diabetic nephropathy severe?

Stage three of diabetic nephropathy refers to patients who have persistent microalbuminuria, indicating a relatively mild state of the disease at this time. In fact, diabetic nephropathy is divided into five stages. During the first and second stages, patients generally do not exhibit specific symptoms clinically and may even test negative for proteinuria; however, an increase in kidney size and glomerular filtration rate may occur. By the third stage, patients begin to exhibit small or micro amounts of urinary albumin. The pathological damage to the kidneys at this stage is not considered particularly severe. Patients may experience hyalinization of small arteries and nodular lesions in the glomeruli. Within the staging of diabetic nephropathy, this does not constitute a particularly severe phase; however, the condition of the patients may continue to progress, leading to significant proteinuria and even renal failure.

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How should diabetic nephropathy patients drink water?

For any kidney disease, regardless of whether it is caused by diabetes or not, the patient's water intake needs to be carefully considered. Generally, a few key points should be adhered to: First, there should be no excess accumulation of water in the patient's body. The water intake should be excreted normally through the kidneys without accumulating too much water, as excessive accumulation can increase blood pressure and even lead to pulmonary edema or heart failure. Second, if the patient's urine output decreases, water intake should be limited but not excessively, to avoid affecting the blood supply to the kidneys. Ideally, urine output should be maintained between 1000 to 2500 milliliters. Water intake should depend on urine output; if urine output is high, the patient can drink more water, but if it is low, intake should be appropriately restricted. It's necessary to weigh oneself daily to monitor changes in weight; if a large amount of water accumulates, weight will gradually increase, and at this time, water intake should be restricted.