- by Dr Paramesh S
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- Apr 01 2017
DIET AND KIDNEY STONES
Diet is one of the factors which can influence kidney stone formation. Dietary restrictions of different types of nutrients have to be followed for different types of kidney stones.
- Limit food high in oxalate. When these food items are consumed, excessive amounts of oxalates are excreted in urine, which combines with calcium to form calcium oxalate stones.
- ·Increasing the intake of calcium also helps in preventing calcium oxalate stones because calcium binds oxalate in the gut and prevent it from getting excreted through urine.
- ·Vitamin C and Vitamin D supplements also can increase the risk of getting renal stones. Vitamin C or ascorbate can be converted to oxalate in body.
- ·Reducing the salt intake will help in preventing calcium stones. Increased sodium in the urine can cause increased excretion of calcium in the urine; increased level of calcium can combine with oxalates and phosphates to form calcium stones. Reducing salt intake is preferred to reducing calcium intake.
- ·Calcium from food and supplements taken along with food will bind to oxalate in food. This compound does not enter the blood and urinary tract thereby preventing the formation of calcium oxalate kidney stones.
- ·Foods that contain high levels of sodium like hot dogs, canned soups and vegetables, processed frozen foods, luncheon meats and fast food should be limited.
- ·Food items containing hidden sodium like monosodium glutamate (MSG), sodium bicarbonate, disodium phosphate, sodium alginate, sodium nitrate or nitrite etc. should be avoided by checking the labels.
- ·Animal proteins also should be limited as it increases the excretion of urinary calcium and decreases the excretion of urinary citrates.
CALCIUM RICH FOODS mCAN BE TAKEN :
- Ragi, oats, wheat bran.
- Pulses like Bengal gram whole, black gram dhal, green gram whole, horse gram, rajmah, soya beans.
- Nuts and oil seeds.
- All green leafy vegetables.
- Roots and tubers like carrot, tapioca.
- Vegetables like chow -2- marrow, cluster beans, field beans, dried sundaikai.
- Spices and condiments.
- Amla, banyan tree figs, dates, raisins, wood apple, ripened tomato.
- Fishes and other sea foods, Meat, Poultry and Egg.
- Milk and milk products.
OXALATE RICH FOODS TO BE AVOIDED
- Unpolished cereals and pulses.
- Horse gram, soya beans, khesari dhal and black gram dhal.
- Greens such as amaranthus, paruppu keerai, gogu, spinach, drumstick leaves, coriander leaves, betal leaves,
- Vegetables like drumstick, tomato, plantain green, plantain flower, and sundaikai.
- Green Chilli.
- Fish, beef, organ meats and dried fish.
- All nuts and oil seeds.
- Gooseberry, blackberries, blueberries, strawberries, raspberries, kiwi, purple grapes, currants, figs, tangerines and jambu fruit.
- Tea, coffee, chocolates, and cola drinks.
FOODS TO BE INCLUDED
- You can eat moderate amounts of broccoli, turnips, eggplant, lima beans, tomatoes, peas, lettuce, celery, methi leaves, parsly, spinach stalk, cauliflower and cucumber. Feel free to eat as much as you want of sweet corn, onions, radishes, Brussels sprouts, avocado, mushrooms and asparagus.
- The fruits that are the lowest in oxalate are bananas, plums, pineapple, cherries, grapefruit, white grapes, melons, pears, nectarines and mangoes.
- Tender coconut water.
- Barley water.
- Plantain rhizome juice.
- Bitter gourd.
Studies conducted at National Institute of Nutrition, Hyderabad (1985)showed that L-Tartaric acid, a component of tamarind is an inhibitor of urolithiasis and wheat based diets had properties which can be considered conducive to uric acid and calcium oxalate crystalluria.
PRINCIPLES OF DIET:
- High calories
- Restricted protein
- High fluid
- Restricted calcium
- Low oxalate diet
- low sodium
Water=2.5 -3 litres
Salt= 4 gm
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