Over several years, a notable number of our patients reported passing renal calculi spontaneously after riding the Big Thunder Mountain Railroad roller coaster at Walt Disney World’s Magic Kingdom theme park in Orlando, Florida. The number of stone passages was sufficient to raise suspicions of a possible link between riding a roller coaster and passing renal calculi. One patient reported passing renal calculi after each of 3 consecutive rides on the roller coaster. Many patients reported passing renal calculi within hours of leaving the amusement park, and all of them rode the same rollercoaster during their visit.
The purpose of the current study was to validate this functional pyelocalyceal renal model and to provide clinical recommendations based on data generated.
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