Diagnosis accuracy of PCA3 level in patients with prostate cancer: a systematic review with meta-analysis

Abstract

Objective: This study aims to design a novel semirigid ureterorenoscope with irrigation and vacuum suction system and a modified ureteral access sheath (UAS) named Sotn ureterorenoscope® (Sotn=ShuoTong Medical Company) to overcome the deficiencies of the current procedure and to improve the efficiency and safety of using Sotn ureterorenoscope® for treatment of upper urinary calculi.

Materials and methods: Fifty-eight patients, comprising 31 males and 27 females, were evaluated. The medical records of 58 patients with upper urinary calculi treated with Sotn ureterorenoscope® from March 2015 to June 2017 were retrospectively reviewed at the Second Affiliate Hospital of Guangzhou University of Chinese Medicine in China. The primary outcome was stone-free rate (SFR) assessed by computed tomography on the 1st day and one month after treatment. The secondary outcome was postoperative complication rate.

Results: The mean and SD of operative duration was 78.5 (30.4) min, and the mean and SD of stone size was 15.6 (5.6) mm. The primary overall SFR was 89.7% (52/58) and 100% at 1 month follow-up. Complication, which was Clavien I (minor fever managed by antipyretic therapy), was detected in 1.7% (1/58) of the patients.

Conclusions: Sotn ureterorenoscope® is technically feasible, efficacious and safe for treatment of upper urinary calculi because of its advantages of high SFR and low complication rates.

Keywords: Vacuum; Urinary Calculi; Urolithiasis.

Conflict of interest statement

None declared.

Copyright® by the International Brazilian Journal of Urology.

Figures

Figure 1. Standard ureteroscope and modified ureteral access sheath.

Figure 2. Mini-ureteroscope.

Figure 3. Continuous negative pressure aspiration system and Lumenis Holmium laser (maximum power, 100W).

Figure 4. Procedures of Sotn ureterorenoscopy. A - (➀, ➁) Scheme of stone dust removal by the suctioning system through interspace between the shaft of the console ureterorenoscope and modified UAS. B - (➀, ➁) Comparison of preoperative and postoperative conditions of renal stones. C - Sotn ureterorenoscopy. D - Surgery scheme.

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