Using centripetal force to prevent a $4 billion healthcare cost
1. Doctor finds anecdotal evidence that people are passing kidney stones after riding on Big Thunder Mountain Railroad at Disney World
2. Doctor makes 3-D model of kidney, complete with stones and urine (his own), takes it on Big Thunder Mountain Railroad 60 times
3. “The stones passed 63.89 percent of the time while the kidneys were in the back of the car. When they were in the front, the passage rate was only 16.67 percent. That’s based on only 60 rides on a single coaster, and Wartinger guards his excitement in the journal article: ‘Preliminary study findings support the anecdotal evidence that a ride on a moderate-intensity roller coaster could benefit some patients with small kidney stones.’”
4. “Some rides are going to be more advantageous for some patients than other rides. So I wouldn’t say that the only ride that helps you pass stones is Big Thunder Mountain. That’s grossly inaccurate.”
5. “His advice for now: If you know you have a stone that’s smaller than five millimeters, riding a series of roller coasters could help you pass that stone before it gets to an obstructive size and either causes debilitating colic or requires a $10,000 procedure to try and break it up. And even once a stone is broken up using shock waves, tiny fragments and “dust” remain that need to be passed. The coaster could help with that, too.”
“In all, we used 174 kidney stones of varying shapes, sizes and weights to see if each model worked on the same ride and on two other roller coasters,” Wartinger said. “Big Thunder Mountain was the only one that worked. We tried Space Mountain and Aerosmith’s Rock ‘n’ Roller Coaster and both failed.”Wartinger went on to explain that these other rides are too fast and too violent with a G-force that pins the stone into the kidney and doesn’t allow it to pass.“The ideal coaster is rough and quick with some twists and turns, but no upside down or inverted movements,” he said.
was this like… done in cooperation with disney management or did some random scientist go through bag check with a 3d printed kidney and a bottle of piss and start looking for big thunder mountain fastpasses
Of course, the researchers had to get permission from Disney World before bringing the model kidney onto the rides. “It was a little bit of luck,” Wartinger recalls. “We went to guest services, and we didn’t want them to wonder what was going on—two adult men riding the same ride again and again, carrying a backpack. We told them what our intent was, and it turned out that the manager that day was a guy who recently had a kidney stone. He called the ride manager and said, do whatever you can to help these guys, they’re trying to help people with kidney stones.”
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