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Diabetes & Kidney Disease (Nephropathy)_ Diagnosis & Control Measures

Diabetes & Kidney Disease (Nephropathy): Diagnosis & Control Measures

Diabetes being a progressive condition affects many body parts and organs. One of the key organs getting damaged/destroyed is kidneys. Diabetes and kidney disease go hand-in-hand, especially if not taken care of properly. In fact, diabetes is one of the leading causes for kidney diseases, according to the National Institutes of Health (NIH).

When this condition continues, it can lead to more serious conditions, one being diabetic nephropathy, a condition where the kidneys are damaged due to exposure to high blood sugar. On World Kidney Day, let us discuss more about this condition including the relationship, causes, risk factors, prevention, and others.

What is diabetic nephropathy?

Diabetic nephropathy is a condition where the kidneys are damaged due to uncontrolled diabetes. High blood sugar can damage the blood vessels in the kidneys, which filters your blood. The damaged filter then becomes ‘leaky’, thus releasing excess protein and sugar into the urine.

In certain cases, diabetic nephropathy can lead to chronic kidney disease and kidney failure. As per studies, at least 25 percent of people with diabetes eventually develop kidney disease. Diabetic nephropathy affects the regular functioning of removing waste products and extra fluid from the body.

Over time, if not treated properly, the condition can worsen and damage the kidney’s delicate filtering system. This is why early treatment is recommended in order to slow the process and reduce the chances of further complications.

Diabetic nephropathy symptoms

The diabetic nephropathy symptoms are not noticeable in the initial stages. However, the later stages may see the following symptoms:

  • Poor blood pressure control
  • Presence of protein in urine
  • Swelling of feet, ankle, eyes, and hands
  • Reduced need for insulin or medications
  • Shortness of breath
  • Confusion or difficulty in concentration
  • Vomiting or nausea
  • Fatigue
  • Loss of appetite
  • Frequent need to urinate

Effect of diabetes on kidney

The main functioning of kidneys is to remove excess fluids and waste products from the bloodstream so that they can be excreted in the form of urine. This entire process is done through a system of tubes and blood vessels called nephrons. Inside the nephrons, there are smaller blood vessels present called capillaries and tiny urine-collecting tubes. One of the major structures inside the nephron is a group of blood vessels, also called as the glomerulus, that acts like a filter.

Prolonged levels of high blood sugar affects the functioning of glomerulus. Moreover, the filtering function of the kidney to prevent excess nutrients to get inside the body does not work properly, leading to proteins starting to leak from the blood into the urine.

In addition to this, high blood glucose also causes scarring of the glomerulus, also known as glomerulosclerosis. As the scarring worsens, the kidneys stop being able to filter waste products from the blood. Over time, this damages most of the glomeruli causing kidney failure.

 

Risk factors for diabetic nephropathy

While there can be other factors that can lead to the risk of developing diabetic nephropathy, here are some of the most common risk factors:

  • The length of the time one has had diabetes
  • Uncontrolled and unmanaged sugar levels
  • High blood pressure
  • Overweight or obese
  • Smoking

The risk is higher if you have other problems such as diabetic retinopathy or diabetic neuropathy.

How to protect kidneys from diabetes?

Early detection of any disease can prevent further complications. So, is the case with diabetic nephropathy. In fact, detecting in the early stages can not only stop the progression of the condition but actually reverse it. The basic treatment involves keeping the sugar levels and blood pressure in check.

It is best to keep the blood glucose levels in the normal range as much as possible to avoid progression of diabetic nephropathy. Other ways to deal with the condition is by making lifestyle changes such as including a healthy diet and exercise to the daily routine.

People with Type 2 diabetes who have shown some signs of diabetic nephropathy are usually treated with medicines containing angiotensin-converting enzyme inhibitors or angiotensin receptor blockers. The medicines, although help in keeping the blood pressure in check, also helps in decreasing the amount of protein in the urine and slow progression of the condition.

Diet for Diabetic Nephropathy

Eating a healthy diet and including exercise into your daily regime can help in controlling blood sugar levels. Moreover, you would be asked to maintain a low-protein diet in case you show signs of diabetic nephropathy, as excessive dietary protein may further damage the kidney. Additionally, if you smoke, quitting smoking is one of the crucial things to be done to delay the onset of kidney failure.

Moreover, limit your sodium intake to control blood pressure and reduce body swelling. Moreover, intake of foods and vegetables that will help in keeping cholesterol and lipid profile under control is essential.

Here are a few steps to take to maintain healthy kidneys along with diabetes:

  • As mentioned above, in kidney disease and diabetes, eat less salt/sodium. Since over time, kidneys lose the ability to control sodium-water balance, consuming less sodium will lower blood pressure and fluid buildup.
  • Consume fresh, homemade food instead of packaged food that is full of preservatives. Look for sodium levels on the food label in case you order something from outside.
  • Eat the right amount of protein. It is important to strike a balance between too much and too little of protein in order to delay the onset of diabetic nephropathy.

These are some food groups that can help in delaying the process:

  • Fruits: cherries, apples, plums, berries, and grapes
  • Veggies: eggplant, cauliflower, onions, and turnips
  • Protein: lean meats, unsalted seafood, and eggs
  • Carbs: pasta, bread, sandwich bread, white bread
  • Drinks: water, unsweetened tea, clear diet soda

Tests to diagnose diabetic neuropathy

The tests vary basis the abnormal amount of protein present in the bloodstream. While there are a wide range of tests available to diagnose diabetic nephropathy, there are a few common ones. The most common tests are serum creatinine and BUN (blood urea nitrogen) which are not sensitive and will not detect the changes until the patient is diagnosed with another severe disease. Other sensitive tests include creatinine clearance, glomerular filtration rate (GFR) and urine albumin.

In patients with Type 1 diabetes, the presence of a small amount of protein in the bloodstream helps in identifying whether the person is suffering from the signs of diabetic nephropathy. There are several special methods to measure these amounts.

World Kidney Day is celebrated worldwide to raise awareness on the importance of kidneys and reducing kidney related health issues. On this day, let us vow to ensure we do everything to keep our kidneys healthy and strong.

One comment

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