Children born with one kidney are often advised by doctors not to play sports, since there is fear that if they sustain an injury to the organ, they might need lifelong dialysis.

However, those beliefs can be left behind, since the result of the analysis of a large database of sports-related injuries among varsity-level high school athletes showed that only 18 cases involved kidney injury.

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Or in other words, there was 1 kidney injury per one million times when an athlete hit the playing field.

"Even in the highest-risk group, kidney injury is a very rare condition," said Dr. Matthew Grinsell of the University of Utah in Salt Lake City.

"Especially with today's obesity epidemic, I am very, very reluctant to counsel somebody against physical activity," he told Reuters Health

An analysis was done by the researchers on data from the National Athletic Trainers' Association High School Injury Surveillance Study from 1995 to 1997.

The results revealed that even when athletes injured their kidneys, it was mostly a bruise and none of the injuries were serious enough to need a transplant.  Also, the ratio of head injuries to Kidney was found to be 67:1.

"We know that kidney injuries from traffic accidents are two to 10 times more common than kidney injuries from sports," Grinsell explained. "Some people have argued it might actually be more dangerous to drive to your doctor to talk about kidney injuries from sports than actually playing sports."

Grinsell however advised that it is important to make sure that children with one kidney have their organ functioning normally and that their blood pressure is not too high before sending them onto the field.

"If somebody has a passion, I really don't limit it," said Grinsell. "I push the more general safety issues, like wearing a helmet if you are a bicyclist."

The study was published in the journal Pediatrics.

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A diagnosis of kidney failure could be a real shock. And it’s becoming more common as the number of Americans with diabetes and high blood pressure grows. But even with this serious diagnosis you can survive and move on.  

Medicare can help. The program helps pay for kidney dialysis as well as kidney transplants.

Chronic kidney disease is a serious health problem in the United States. In 2010, more than 20 million Americans aged 20 and older had this disease.

And in 2008, nearly 550,000 Americans were getting treated for end-stage renal disease, or ESRD, which is permanent kidney failure.

Most people have to be at least 65 years old to get Medicare. But people with ESRD can get Medicare at any age. Even children with ESRD can enroll in Medicare.

ESRD is treated by dialysis, a process which cleans your blood when your kidneys don’t work. It gets rid of harmful waste, extra salt, and fluids that build up in your body. It also helps control blood pressure and helps your body keep the right amount of fluids.

Dialysis treatments help you feel better and live longer — but they aren’t a cure for permanent kidney failure.

Medicare covers a number of things related to dialysis.

If you’re admitted to a hospital for special care, Medicare covers inpatient dialysis treatments under Part A, which is hospital insurance.

Medicare Part B covers outpatient dialysis treatments and doctors’ fees for outpatient care.

Part B also pays for self-dialysis training, which includes instruction for you and the person helping you with your home dialysis treatments.

And Part B covers home dialysis equipment and supplies — like the machine and water treatment system — as well as most drugs for home dialysis.

How much would you have to pay for dialysis in a Medicare-certified facility? If you have Original Medicare, you’d pay 20 percent of the Medicare-approved amount for all covered services.

Medicare pays the other 80 percent.

Dialysis and kidney transplants are paid through Original Medicare.

In most cases, you can’t join a Medicare Advantage plan if you have end-stage renal disease.

Keep in mind that dialysis can be done in your own home or in a Medicare-certified facility.

Ask your kidney doctor what facility he or she works with. Or you can look for a facility on Medicare’s “Dialysis Facility Compare” website.

It’s located at www.medicare.gov/dialysis .

The website has important information such as addresses and phone numbers, how far certain facilities are from you, and what kind of dialysis services the facilities offer.

You also can compare facilities by certain quality-of-care information.

If you don’t have a computer, you can call us, toll-free, at 1-800-MEDICARE (1-800-633-4227).

Medicare Part A also helps pay for hospital inpatient services if you need a kidney transplant.

Medicare will help cover the costs of finding the proper kidney for your transplant, and the full cost of care for your kidney donor.

For more details on transplants, please consult our pamphlet, “Medicare Coverage of Kidney Dialysis & Kidney Transplant Services” (CMS Product No. 10128).

It’s available online or by calling 1-800-MEDICARE.

David Sayen is Medicare’s regional administrator for California, Arizona, Nevada, Hawaii, and the Pacific Trust Territories. You can get answers to your Medicare questions by calling 1-800-MEDICARE (1-800-633-4227).

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