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Comparison of silicone vs polyurethane ureteral stents: A prospective controlled study

BMC Urology Feb 08, 2020

Gadzhiev N, Gorelov D, Malkhasyan V, et al. - A prospective controlled study was conducted to compare modern silicone and polyurethane ureteral stents in terms of SRS intensity and safety. Individuals from two distinct clinical centers were prospectively recruited in the study and stratified (non-randomly) into either control group A, individuals who received polyurethane stents (Rüsch, Teleflex), or experimental group B, individuals who received silicone stents (Cook Medical) between June 2018 and October 2018. Researchers included a sum of 50 individuals in the study, control group A consisted of 20 individuals and experimental group B consisted of 30 individuals. As per the results, silicone ureteral stents showed significantly lower mean values of visual analog scale pain (VASP) 2 weeks prior to stent removal and promptly before stent removal (p = 0.023 and p = 0.014, respectively) in group B individuals. No other similarities between the two groups were statistically significant. The evidence showed that silicone ureteral stents are correlated with lower body pain intensity estimated by VASP 2 weeks before stent removal and at the time of stent removal compared with polyurethane ureteral stents.
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