The New England journal of medicine
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Randomized Controlled Trial Multicenter Study Comparative Study Pragmatic Clinical Trial
Ultrasonography versus computed tomography for suspected nephrolithiasis.
There is a lack of consensus about whether the initial imaging method for patients with suspected nephrolithiasis should be computed tomography (CT) or ultrasonography. ⋯ Initial ultrasonography was associated with lower cumulative radiation exposure than initial CT, without significant differences in high-risk diagnoses with complications, serious adverse events, pain scores, return emergency department visits, or hospitalizations. (Funded by the Agency for Healthcare Research and Quality.).