Patrick Rice1, Sarah Prattley1, Bhaskar K Somani2,3. 1. Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK. 2. Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK. bhaskarsomani@yahoo.com. 3. University of Southampton, Southampton, SO16 6YD, UK. bhaskarsomani@yahoo.com.
Abstract
PURPOSE OF REVIEW: While ureteroscopy (URS) is a common procedure for ureteric stones, this window between diagnosis and treatment leaves the possibility for a 'negative', 'stoneless' or 'diagnostic' URS. We perform a systematic review to look at the rate of 'negative ureteroscopy' and risk factors associated with it. RECENT FINDINGS: From a total of 3599 articles and 68 abstracts, 4 studies (1336 patients) were selected. The negative URS rate varied from 4 to 14%. Common predictors seem to be female gender, small stones, radiolucent stones and distal ureteric stones. Although infrequent, negative ureteroscopy should be avoided in patients with ureteric stones by performing a low-dose CT scan on the day of surgery. This should especially be performed for females and those with smaller, radiolucent or distal ureteric stones.
PURPOSE OF REVIEW: While ureteroscopy (URS) is a common procedure for ureteric stones, this window between diagnosis and treatment leaves the possibility for a 'negative', 'stoneless' or 'diagnostic' URS. We perform a systematic review to look at the rate of 'negative ureteroscopy' and risk factors associated with it. RECENT FINDINGS: From a total of 3599 articles and 68 abstracts, 4 studies (1336 patients) were selected. The negative URS rate varied from 4 to 14%. Common predictors seem to be female gender, small stones, radiolucent stones and distal ureteric stones. Although infrequent, negative ureteroscopy should be avoided in patients with ureteric stones by performing a low-dose CT scan on the day of surgery. This should especially be performed for females and those with smaller, radiolucent or distal ureteric stones.
Authors: Wesley M White; Elizabeth B Johnson; Nikki B Zite; John Beddies; Amy E Krambeck; Elias Hyams; Tracy Marien; Ojas Shah; Brian Matlaga; Vernon M Pais Journal: J Urol Date: 2012-09-24 Impact factor: 7.450