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Objectives: We retrospectively evaluated our rigid ureteroscopy (URS) treatment results in ureteric stones and assessed its effectiveness concerning ureteric stone localisation. Materials and methods: Overall, 101 patients were retrospectively evaluated including lower (n=69), mid (n=23) and upper ureteric (n=9) stones which were treated with rigid URS (Wolf 8.0-9.8Fr, Germany) in our hospital between January 2007- June 2009. Stones were removed by stone forceps/basket catheter either as single piece or fragmented by pneumatic lithotripsy (EMS-Swisslithoclast-Master). Results: Mean patient age was 45.1 (19-78) years. Stones were located in the right (n=52) and left (n=49) ureters, respectively. Mean stone size was 7,4 mm (5-15). Of the 9 patients with upper ureteric stones, 7 were (77.8%) stone-free. However, stone migrated into renal pelvis in two patients but passed into ureter again in the follow-up and removed by URS. Of the 23 patients with mid-ureteric stones, 22 were (95.7%) stone-free. Ureter perforation occurred in one patient and ureteroneocystostomy was performed. Of the 69 patients with lower ureteric stones, 68 were (98.6%) stone-free. Ureter perforation occurred in one patient and healed spontaneously by ureter catheter replacement. Stone was removed afterwards by URS. Overall (n=101), ureter perforation occurred in 1.9% (n=2) in our series. Resistant urinary tract infection developed in one patient (0.9%) (P.aeroginosa). Conclusion: Due to results of this preliminary study, rigid URS and pneumatic lithotripsy can be performed successfully particularly in lower ureteric stones. However, as stone location shifts to upper ureter, success rate decreases. Although URS can be performed safely with low complication rates in the treatment of ureteric stones, severe complications like ureter perforation might occur. [ABSTRACT FROM AUTHOR]

Objective: The aim of this study is to compare the efficacy and complications of holmium laser and pneumatic lithotripsy used in the ureterorenoscopic treatment of proximal ureteral stones. Materials and Methods: Data of 638 patients, who underwent ureterorenoscopy (URS) due to proximal ureteral stones in different centers, were obtained from patient files. The patients were divided into two groups according to the type of lithotripter used: group 1; laser lithotripter (n=324; 50.8%) and group 2; pneumatic lithotripter (n=314; 49.2%). URS was considered successful upon determination stone-free status with the imaging methods after treatment. The effectiveness and the complications of holmium:yttrium-aluminum-garnet laser and pneumatic lithotripsy were compared. Results: The total success rate of URS was 82.6% and the complication rate was 8.1%. The mean age of patients was similar between the groups; however, the body mass index values, stone surface area and stone Hounsfield unit were significantly higher in group 1. Although the mean operative time, complication rate and the mean length of hospital stay were similar between the groups; the URS success and postoperative ureteral J stent use rates were significantly higher in group 1 and the push-back rate was significantly higher in group 2. Conclusion: If laser lithotripsy is available in a clinic, we believe that it is better to use it as the first option in the treatment of proximal ureter stones. However, considering that it is not easy to access laser lithotripters due to their high cost in Turkey, pneumatic lithotripters may be an effective and inexpensive alternative that can also be safely used in these cases. [ABSTRACT FROM AUTHOR]