VOA慢速英语[健康报道] 美国专家:玩过山车有助于排出肾结石

来源:VOA 2019-02-04

VOA慢速英语

2016-10-10

 

Roller Coaster Rides Can Help With Painful Condition

From VOA Learning English, this is the Health & Lifestyle report.

 
Roller coasters are fast and exciting. But passing a painful kidney stone is not. The process is painful and can take a long time.
 
But American researchers have found that a roller coaster ride just might help those suffering from a kidney stone. They say such rides help patients pass the stones with a 70 percent success rate.
 
The findings come from researchers at Michigan State University. They published their findings in The Journal of the American Osteopathic Association.
 
David Wartinger led the study. He says he became curious after hearing many stories of people who passed kidney stones after going on a fun ride at a theme park in Florida.
 
Patients told him that after riding aroller coaster at Walt Disney World, they were able to pass their kidney stones.” One man even said he passed three different stones after going on the ride more than once!
 
To test whether the claims were true, Wartinger used a 3-dimensional model of a hollow kidney. Inside the model he placed three kidney stones, each no larger than 4 millimeters.
 
Then he placed the man-made kidney into a backpack. The researchers put the kidney on Disneys Big Thunder Mountain roller coaster for 20 rides.
 
There are many variables
 
Wartinger found that where the person sits on the roller coaster can make a big difference.
 
He saidin the pilot study, sitting in the last car of the roller coaster showed about a 64 percent passage rate.” Sitting in the first few cars only had a 16 percent success rate.
 
Researchers decided to expand the study. They rode the same roller coaster with several kidney models. When sitting in the back car, the success rate of passing the stones was 70 percent.
 
It also mattered where the stones were located in the kidney. The researchers found that stones located in the upper part of the kidney model were passed 100 percent.
 
Another variableit depends what kind of roller coaster. When it comes to passing kidney stones, not all roller coasters are equal.
 
The researchers used 174 kidney stones of differingshapes, sizes and weights to see if each model worked on the same ride and on two other roller coasters.”
 
They found thatBig Thunder Mountain was the only one that worked.” The other two roller coasters both failed the test.
 
Wartinger said the other rides were "too fast and too violent." The movement forced the stones against the side of the kidney. He said that the ideal roller coaster is rough and quick with some twists and turns.
 
How common are kidney stones?
 
About 300,000 people in the United States go to hospital emergency rooms with kidney stones each year.
 
One common treatment for kidney stones -- called lithotripsy -- breaks up larger stones into smaller ones. But Wartinger said the treatment can leave many smaller stones. To solve this problem, he suggested riding a roller coasterafter a treatment when the remnants are still small."
 
Wartinger thinks roller coaster rides could also be used as a preventative measure. He said that a yearly ride on a roller coaster could even prevent stones from developing.
 
"You need to heed the warnings before going on a roller coaster," he said. "If you have a kidney stone, but are otherwise healthy and meet the requirements of the ride, patients should try it."
 
He adds that itsdefinitely a lower cost alternativeto other treatments.
 
And riding a roller coaster is definitely more fun!
 
Im Anna Matteo.



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