Kidney Health
[vc_row][vc_column][vc_column_text woodmart_inline=”no” text_larger=”no”]The kidneys are a pair of bean-shaped organs on either side of your spine, below your ribs and behind your belly. Each kidney is about 4 or 5 inches long, roughly the size of a large fist.
The kidneys’ job is to filter your blood. They remove wastes, control the body’s fluid balance, and keep the right levels of electrolytes. All of the blood in your body passes through them about 40 times a day.
Blood comes into the kidney, waste gets removed, and salt, water, and minerals are adjusted, if needed. The filtered blood goes back into the body. Waste gets turned into urine, which collects in the kidney’s pelvis — a funnel-shaped structure that drains down a tube called the ureter to the bladder.
Each kidney has around a million tiny filters called nephrons. You could have only 10% of your kidneys working, and you may not notice any symptoms or problems.
Kidney Diseases
Glomerulonephritis: An overactive immune system may attack the kidney, causing inflammation and some damage. Blood and protein in the urine are common problems that occur with glomerulonephritis. It can also result in kidney failure.
Nephrotic syndrome: Damage to the kidneys causes them to spill large amounts of protein into the urine. Leg swelling (edema) may be a symptom.
Polycystic kidney disease: A genetic condition resulting in large cysts in both kidneys that hinder their work.
Acute renal failure (kidney failure): A sudden worsening in how well your kidneys work. Dehydration, a blockage in the urinary tract, or kidney damage can cause acute renal failure, which may be reversible.
Chronic renal failure: A permanent partial loss of how well your kidneys work. Diabetes and high blood pressure are the most common causes.
Kidney stones (nephrolithiasis): Minerals in urine form crystals (stones), which may grow large enough to block urine flow. It’s considered one of the most painful conditions. Most kidney stones pass on their own, but some are too large and need to be treated.
End-stage renal disease (ESRD): Complete loss of kidney strength, usually due to progressive chronic kidney disease. People with ESRD require regular dialysis for survival.
Papillary necrosis: Severe damage to the kidneys can cause chunks of kidney tissue to break off internally and clog the kidneys. If untreated, the resulting damage can lead to total kidney failure.
Diabetic nephropathy: High blood sugar from diabetes progressively damages the kidneys, eventually causing chronic kidney disease. Protein in the urine (nephrotic syndrome) may also result.
Pyelonephritis (infection of kidney pelvis): Bacteria may infect the kidney, usually causing back pain and fever. A spread of bacteria from an untreated bladder infection is the most common cause of pyelonephritis.
Interstitial nephritis: Inflammation of the connective tissue inside the kidney, often causing acute renal failure. Allergic reactions and drug side effects are the usual causes.
Minimal change disease: A form of nephrotic syndrome in which kidney cells look almost normal under the microscope. The disease can cause significant leg swelling (edema). Steroids are used to treat minimal change disease.
Nephrogenic diabetes insipidus: The kidneys lose the ability to concentrate the urine, usually due to a drug reaction. Although it’s rarely dangerous, diabetes insipidus causes constant thirst and frequent urination.
Renal cyst: A hollowed-out space in the kidney. Isolated kidney cysts often happen as people age, and they almost never cause a problem. Complex cysts and masses can be cancerous.
Hypertensive nephropathy: Kidney damage caused by high blood pressure. Chronic renal failure may eventually result.
Kidney cancer: Renal cell carcinoma is the most common cancer affecting the kidney. Smoking is the most common cause of kidney cancer.
How to know if you have kidney problem
Early detection and treatment of chronic kidney disease are the keys to keeping kidney disease from progressing to kidney failure. Some simple tests can be done to detect early kidney disease. They are:
A test for protein in the urine. Albumin to Creatinine Ratio (ACR), estimates the amount of a albumin that is in your urine. An excess amount of protein in your urine may mean your kidney’s filtering units have been damaged by disease. One positive result could be due to fever or heavy exercise, so your doctor will want to confirm your test over several weeks.
A test for blood creatinine. Your doctor should use your results, along with your age, race, gender and other factors, to calculate your glomerular filtration rate (GFR). Your GFR tells how much kidney function you have. To access the GFR calculator, click here.
It is especially important that people who have an increased risk for chronic kidney disease have these tests. You may have an increased risk for kidney disease if you:
are older
have diabetes
have high blood pressure
have a family member who has chronic kidney disease
are an African American, Hispanic American, Asians and Pacific Islander or American Indian.
If you are in one of these groups or think you may have an increased risk for kidney disease, ask your doctor about getting tested.
Warning signs of kidney Disease
Kidney disease usually affects both kidneys. If the kidneys’ ability to filter the blood is seriously damaged by disease, wastes and excess fluid may build up in the body. Although many forms of kidney disease do not produce symptoms until late in the course of the disease, there are six warning signs of kidney disease:
High blood pressure.
Blood and/or protein in the urine.
A creatinine and Blood Urea Nitrogen (BUN) blood test, outside the normal range. BUN and creatinine are waste that build up in your blood when your kidney function is reduced.
A glomerular filtration rate (GFR) less than 60. GFR is a measure of kidney function.
More frequent urination, particularly at night; difficult or painful urination.
Puffiness around eyes, swelling of hands and feet.
Diets for kidney diseases
Dietary restrictions vary depending on the level of kidney damage.
For example, people in the early stages of kidney disease have different restrictions than those with kidney failure, also known as end-stage renal disease (ESRD)
If you have kidney disease, your health care provider will determine the best diet for your needs.
For most people with advanced kidney disease, it’s important to follow a kidney-friendly diet that helps decrease the amount of waste in the blood.
This diet is often referred to as a renal diet.
It helps boost kidney function while preventing further damage (While dietary restrictions vary, it’s commonly recommended that all people with kidney disease restrict the following nutrients:
Protein is nutrient that people with kidney disease may need to limit, as damaged kidneys can’t clear out waste products from protein metabolism.
However, those with end-stage renal disease undergoing dialysis, a treatment that filters and cleans the blood, have greater protein needs Each person with kidney disease is different, which is why it’s important to talk to your healthcare provider about your individual dietary needs.
Luckily, many delicious and healthy options are low in phosphorus, potassium, and sodium.
Egg whites
Although egg yolks are very nutritious, they contain high amounts of phosphorus, making egg whites a better choice for people following a renal diet. Egg whites provide a high quality, kidney-friendly source of protein. Plus, they’re an excellent choice for people undergoing dialysis treatment, who have higher protein needs but need to limit phosphorus.
Garlic
People with kidney problems are advised to limit the amount of sodium in their diet, including added salt. Garlic provides a delicious alternative to salt, adding flavor to dishes while providing nutritional benefits. It’s a good source of manganese, vitamin C, and vitamin B6 and contains sulfur compounds that have anti-inflammatory properties.
Buckwheat
Many whole grains tend to be high in phosphorus, but buckwheat is a healthy exception. Buckwheat is highly nutritious, providing a good amount of B vitamins, magnesium, iron, and fiber. It’s also a gluten-free grain, making buckwheat a good choice for people with celiac disease or gluten intolerance.
Olive oil
Olive oil is a healthy source of fat and phosphorus-free, making it a great option for people with kidney disease. Frequently, people with advanced kidney disease have trouble keeping weight on, making healthy, high calorie foods like olive oil important. The majority of fat in olive oil is a monounsaturated fat called oleic acid, which has anti-inflammatory properties. What’s more, monounsaturated fats are stable at high temperatures, making olive oil a healthy choice for cooking.
Sea bass
Sea bass is a high quality protein that contains incredibly healthy fats called omega-3s. Omega-3s help reduce inflammation and may help decrease the risk of cognitive decline, depression, and anxiety While all fish are high in phosphorus, sea bass contains lower amounts than other seafood. However, it’s important to consume small portions to keep your phosphorus levels in check
Red grapes
Red grapes are not only delicious but also deliver a ton of nutrition in a small package. They’re high in vitamin C and contain antioxidants called flavonoids, which have been shown to reduce inflammation Additionally, red grapes are high in resveratrol, a type of flavonoid that has been shown to benefit heart health and protect against diabetes and cognitive decline
Bulgur
Bulgur is a whole grain wheat product that makes a terrific, kidney-friendly alternative to other whole grains that are high in phosphorus and potassium. This nutritious grain is a good source of B vitamins, magnesium, iron, and manganese. It’s also an excellent source of plant-based protein and full of dietary fiber, which is important for digestive health.
Cauliflower
Cauliflower is a nutritious vegetable that’s a good source of many nutrients, including vitamin C, vitamin K, and the B vitamin folate .It’s also full of anti-inflammatory compounds like indoles and is an excellent source of fiber Plus, mashed cauliflower can be used in place of potatoes for a low potassium side dish.
Blueberries
Blueberries are packed with nutrients and one of the best sources of antioxidants you can eat. In particular, these sweet berries contain antioxidants called anthocyanins, which may protect against heart disease, certain cancers, cognitive decline, and diabetes They also make a fantastic addition to a kidney-friendly diet, as they are low in sodium, phosphorus, and potassium.
Cabbage
Cabbage belongs to the cruciferous vegetable family and is loaded with vitamins, minerals, and powerful plant compounds. It’s a great source of vitamin K, vitamin C, and many B vitamins. Furthermore, it provides insoluble fiber, a type of fiber that keeps your digestive system healthy by promoting regular bowel movements and adding bulk to stool.
Chicken
Although a limited protein intake is necessary for some people with kidney issues, providing the body with an adequate amount of high quality protein is vital for health. Skinless chicken breast contains less phosphorus, potassium, and sodium than skin-on chicken. When shopping for chicken, choose fresh chicken and avoid pre-made roasted chicken, as it contains large amounts of sodium and phosphorus.
Bell peppers
Bell peppers contain an impressive amount of nutrients but are low in potassium, unlike many other vegetables. These brightly colored peppers are loaded with the powerful antioxidant vitamin C. In fact, one small red bell pepper (74 grams) contains 105% of the recommended intake of vitamin C. They are also loaded with vitamin A, an important nutrient for immune function, which is often compromised in people with kidney disease
Onions
Onions are excellent for providing sodium-free flavor to renal-diet dishes. Reducing salt intake can be challenging, making finding flavorful salt alternatives a must. Sautéing onions with garlic and olive oil adds flavor to dishes without compromising your kidney health. What’s more, onions are high in vitamin C, manganese, and B vitamins and contain prebiotic fibers that help keep your digestive system healthy by feeding beneficial gut bacteria
Arugula
Many healthy greens like spinach and kale are high in potassium and difficult to fit into a renal diet. However, arugula is a nutrient-dense green that is low in potassium, making it a good choice for kidney-friendly salads and side dishes. Arugula is a good source of vitamin K and the minerals manganese and calcium, all of which are important for bone health. This nutritious green also contains nitrates, which have been shown to lower blood pressure, an important benefit for those with kidney disease
Macadamia nuts
Most nuts are high in phosphorus and not recommended for those following a renal diet. However, macadamia nuts are a delicious option for people with kidney problems. They are much lower in phosphorus than popular nuts like peanuts and almonds. They are also packed with healthy fats, B vitamins, magnesium, copper, iron, and manganese.
Radish
Radishes are crunchy vegetables that make a healthy addition to a renal diet. This is because they are very low in potassium and phosphorus but high in many other important nutrients. Radishes are a great source of vitamin C, an antioxidant that has been shown to decrease the risk of heart disease and cataracts. Additionally, their peppery taste makes a flavorful addition to low sodium dishes.
Turnips
Turnips are kidney-friendly and make an excellent replacement for vegetables that are higher in potassium like potatoes and winter squash.. These root vegetables are loaded with fiber and vitamin C. They are also a decent source of vitamin B6 and manganese. They can be roasted or boiled and mashed for a healthy side dish that works well for a renal diet.
Shiitake mushrooms
Shiitake mushrooms are a savory ingredient that can be used as a plant-based meat substitute for those on a renal diet who need to limit protein. They are an excellent source of B vitamins, copper, manganese, and selenium. In addition, they provide a good amount of plant-based protein and dietary fiber.
Pineapple
Many tropical fruits like oranges, bananas, and kiwis are very high in potassium. Fortunately, pineapple makes a sweet, low potassium alternative for those with kidneys problems. Plus, pineapple is rich in fiber, manganese, vitamin C, and bromelain, an enzyme that helps reduce inflammation
Cranberries
Cranberries benefit both the urinary tract and kidneys. These tiny, tart fruits contain phytonutrients called A-type proanthocyanins, which prevent bacteria from sticking to the lining of the urinary tract and bladder, thus preventing infection. This is helpful for those with kidney disease, as they have an increased risk of urinary tract infections
Cranberries can be eaten dried, cooked, fresh, or as a juice. They are very low in potassium, phosphorus, and sodium.
Tips to keep your kidney healthy
Try to keep active
Regular exercise is good for more than just your waistline. It can lower the risk of chronic kidney disease. It can also reduce your blood pressure and boost your heart health, which are both important to preventing kidney damage.
You don’t have to run marathons to reap the reward of exercise. Walking, running, cycling, and even dancing are great for your health. Find an activity that keeps you busy and have fun. It’ll be easier to stick to it and have great results.
Maintain your blood sugar
People with diabetes, or a condition that causes high blood sugar, may develop kidney damage. When your body’s cells can’t use the glucose (sugar) in your blood, your kidneys are forced to work extra hard to filter your blood. Over years of exertion, this can lead to life-threatening damage.
However, if you can control your blood sugar, you reduce the risk of damage. Also, if the damage is caught early, your doctor can take steps to reduce or prevent additional damage.
Maintain blood pressure
High blood pressure can cause kidney damage. If high blood pressure occurs with other health issues like diabetes, heart disease, or high cholesterol, the impact on your body can be significant. A healthy blood pressure reading is 120/80. Prehypertension is between that point and 139/89. Lifestyle and dietary changes may help lower your blood pressure at this point.
If your blood pressure readings are consistently above 140/90, you may have high blood pressure. You should talk with your doctor about monitoring your blood pressure regularly, making changes to your lifestyle, and possibly taking medication.
Consume more fluids
There’s no magic behind the cliché advice to drink eight glasses of water a day, but it’s a good goal precisely because it encourages you to stay hydrated. Regular, consistent water intake is healthy for your kidneys. Water helps clear sodium and toxins from your kidneys. It also lowers your risk of chronic kidney disease.
Aim for at least 1.5 to 2 liters in a day. Exactly how much water you need depends largely on your health and lifestyle. Factors like climate, exercise, gender, overall health, and whether or not you’re pregnant or breastfeeding are important to consider when planning your daily water intake. People who have previously had kidney stones should drink a bit more water to help prevent stone deposits in the future.
Check and balance weight and diet
People who are overweight or obese are at risk for a number of health conditions that can damage the kidneys. These include diabetes, heart disease, and kidney disease.
A healthy diet that’s low in sodium, processed meats, and other kidney-damaging foods may help reduce the risk of kidney damage. Focus on eating fresh ingredients that are naturally low-sodium, such as cauliflower, blueberries, fish, whole grains, and more.
Avoid smoking
Smoking damages your body’s blood vessels. This leads to slower blood flow throughout your body and to your kidneys.
Smoking also puts your kidneys at an increased risk for cancer. If you stop smoking, your risk will drop. However, it’ll take many yearsTrusted Source to return to the risk level of a person who’s never smoked.
Be aware of the amount of OTC pills you take
If you regularly take over-the-counter (OTC) pain medication, you may be causing kidney damage. Nonsteroidal anti-inflammatory drugs (NSAIDs), including ibuprofen and naproxen, can damage your kidneys if you take them regularly for chronic pain, headaches, or arthritis.
People with no kidney issues who take the medicine occasionally are likely in the clear. However, if you use these medicines daily, you could be risking your kidneys’ health. Talk with your doctor about kidney-safe treatments if you’re coping with pain.
Have your kidney function tested if you’re at high risk
If you’re at high risk of kidney damage or kidney disease, it’s a good idea to have regular kidney function tests. The following people may benefit from regular screening:
- people who were born at a low birth weight
- people who have cardiovascular disease or have family with it
- people who have or have a family history of high blood pressure
- people who are obese
- people who are over 60 years old
- people who believe they may have kidney damage
A regular kidney function test is a great way to know your kidney’s health and to check for possible changes. Getting ahead of any damage can help slow or prevent future damage
Conclusion
The kidney-friendly foods above are excellent choices for people following a renal diet. Remember to always discuss your food choices with your healthcare provider to ensure that you are following the best diet for your individual needs. Dietary restrictions vary depending on the type and level of kidney damage, as well as the medical interventions in place, such as medications or dialysis treatment. While following a renal diet can feel restrictive at times, there are plenty of delicious foods that fit into a healthy, well-balanced, kidney-friendly meal plan.
Shiitake mushrooms are lower in potassium than Portobello and white button mushrooms, making them a smart choice for those following a renal diet.[/vc_column_text][/vc_column][/vc_row]