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Baking soda can save kidney!

A daily dose of baking soda, which is used in baking, cleaning, acid indigestion, apparently slows the decline of kidney function in patients with advanced chronic kidney disease.

health and fitness Updated: Jul 18, 2009 15:44 IST

A daily dose baking soda or sodium bicarbonate, used in baking, cleaning, acid indigestion, sunburn and more slows the decline of kidney function in some patients with advanced chronic kidney disease (CKD), a new study has found.

"This cheap and simple strategy also improves patients' nutritional status, and has the potential of translating into significant economic, quality of life, and clinical outcome benefits," comments Magdi Yaqoob, of the Royal London Hospital (RLH), who led the study.

Researchers studied 134 patients with advanced CKD and low bicarbonate levels, also called metabolic acidosis. One group received a small daily dose of sodium bicarbonate in tablet form, in addition to their usual care.

For this group, the rate of decline in kidney function was greatly reduced -- about two-thirds slower than in patients. "In fact, in patients taking sodium bicarbonate, the rate of decline in kidney function was similar to the normal age-related decline," says Yaqoob.

Rapid progression of kidney disease occurred in just nine percent of patients taking sodium bicarbonate, compared to 45 percent of the other group. Patients taking sodium bicarbonate were also less likely to develop end-stage renal disease (ESRD) requiring dialysis.

Patients taking sodium bicarbonate also had improvement in several measures of nutrition. Although their sodium levels went up, this didn't lead to any problems with increased blood pressure.

Low bicarbonate levels are common in patients with CKD and can lead to a wide range of other problems. "This is the first randomised controlled study of its kind," says Yaqoob.

"A simple remedy like sodium bicarbonate (baking soda), when used appropriately, can be very effective," he adds, according to an RLH release.