Background: Early complications after ureteroscopy include discomfort, renal colic, urinary infection, and hematuria. Vesicoureteral reflux has been reported as a late complication. The presence of early vesicoureteral reflux after ureteroscopy has not been investigated. Methods: Forty patients were randomly selected for a study in which early vesicoureteral reflux after ureteroscopy was searched for through retrograde cystography. Results: In four patients (10%), vesicoureteral reflux was found. Follow-up cystograms 2 weeks after ureteroscopy were normal in all four. Conclusion: These results suggest that early vesicoureteral reflux after ureteroscopy is rare and that if it appears, it is of low grade and temporary.
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