Abstract
We aimed to investigate the factors predicting the need for ureteral J stent placement in the treatment of distal ureteral stones by ureteroscopy (URS). Between January 2007 and June 2018, 550 consecutive patients who underwent URS with the diagnosis of distal ureteral stone disease were evaluated in a single center. The patients were divided into two groups as; group 1 who received a ureteral J stent, and group 2 without ureteral J stent. The two groups were compared in terms of possible preoperative, perioperative and postoperative risk factors. History of systemic disease, stone disease and extracorporeal shock wave lithotripsy (SWL) were significantly higher in group 1 (P<0.001, P=0.009, P=0.016). The operation time was longer in group 1 (P<0.001). The rate of impacted stones was higher in group 1 (61.7% vs 15.6%; P<0.001). In multivariate analysis, co-morbidities, previous SWL history, presence of impacted ureteral stone and prolongation of the operation time were found to be statistically significant in predicting ureteral J stent placement. In the treatment of distal ureteral stones by URS, not only perioperative complications, prolongation of the operation time, and the presence of residual stones but also preoperative factors, such as systemic disease, and impacted ureteral stones should be considered as predictive factors in assessing the need for a ureteral J stent and to avoid unnecessary stent procedures.
Highlights
It is estimated that urolithiasis occurs in approximately 15% of the population, and it is known that ureteral stones are responsible for 20% of all urolithiasis cases.[1]
The main methods used in the treatment of ureteral stones can be summarized as medical expulsive therapy (MET) that facilitate the spontaneous passage of the stone, extracorporeal shock wave lithotripsy (SWL) for stone fragmentation, ureteroscopy (URS), and open or laparoscopic procedures at lower rates
We aimed to investigate the factors predicting the need for ureteral J stent placement in the treatment of distal ureteral stones by URS
Summary
It is estimated that urolithiasis occurs in approximately 15% of the population, and it is known that ureteral stones are responsible for 20% of all urolithiasis cases.[1]. We aimed to investigate the factors predicting the need for ureteral J stent placement in the treatment of distal ureteral stones by ureteroscopy (URS). Co-morbidities, previous SWL history, presence of impacted ureteral stone and prolongation of the operation time were found to be statistically significant in predicting ureteral J stent placement. Conclusions: In the treatment of distal ureteral stones by URS, perioperative complications, prolongation of the operation time, and the presence of residual stones and preoperative factors, such as systemic disease, and impacted ureteral stones should be considered as predictive factors in assessing the need for a ureteral J stent and to avoid unnecessary stent procedures.
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