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PURPOSE: To evaluate the effectiveness of immersive VR distraction technology in alleviating anxiety and pain during flexible cystoscopy. METHODS: We prospectively recruited 270 study participants who qualified for flexible cystoscopy and randomly assigned them to experimental and control groups. The experimental group consisted of 135 patients who employed a VR set during flexible cystoscopy, and the control group consisted of 135 patients who underwent the procedure without a VR set. Patient anxiety was determined quantitatively according to the State-Trait Anxiety Inventory. A visual analog scale for assessing pain intensity, satisfaction, and willingness to repeat the procedure was evaluated. In addition, difference in the hemodynamic parameter was also examined. RESULTS: The study findings demonstrated that the use of a VR set during flexible cystoscopy significantly improved the anxiety level over that of the control group (p = 0.001). Furthermore, this intervention led to a significantly increased level of satisfaction and willingness to repeat the procedure and a decrease in hemodynamic variables, specifically, systolic pressure, diastolic pressure, and heart rate (p = 0.001 in each case). Nonetheless, there were no significant differences between the groups with respect to the basic characteristic data, pain intensity, or oxygen saturation. CONCLUSIONS: Based on the present study, immersive VR can measurably decrease anxiety and increase satisfaction and willingness to repeat the procedure during flexible cystoscopy. TRIAL REGISTRATION DATE: 14 September 2019; number: TCTR20190914002.

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OBJECTIVE: To prove the effectiveness of puboprostatic ligament-preserving robotic-assisted laparoscopic radical (RARP) on enhancing early continence. METHODS: Ninety-two patients with localized adenocarcinoma of the prostate scheduled for RARP from April 2018 to January 2019 were prospectively single-blinded and randomized into two groups, standard RARP (Group A) and puboprostatic ligament-sparing RARP (Group B). The outcomes were continent status at Foley catheter removal and 3 months after surgery using the score from the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form (ICIQ-UI SF), pad usage, pathological margin status, blood loss, operative time, and complications. RESULTS: Ninety-six patients were randomized (46 patients in each group), with a mean±SD age of 67.30±6.07 years. There were no differences in baseline characteristics. At 3 months after surgery, ICIQ-UI SF score (mean±SD) in Group A was significantly higher than Group B (8.74±4.28 vs. 6.93±3.96, p=0.038) but no difference at Foley catheter removal. Group A also had a significant higher score for interference with daily life (median [interquartile range, IQR]: 4 [1, 5] vs. 2 [0, 4]; p=0.041) and higher pad use (median [IQR]: 2 [0, 3] vs. 1 [1, 2]; p=0.041) at 3 months. One case in Group A had complete or severe incontinence (>5 pads/day) at 3 months. Groups A and B did not exhibit significant difference in margin status (p=0.828). There were no differences in operative time, blood loss, drain output or complications. CONCLUSIONS: Use of puboprostatic ligament-sparing RARP could be a method to accelerate early continence without affecting the final oncological outcome.

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BACKGROUND: Double-J stents are favorably utilized after pyeloplasty. In rare situations, the stent may migrate upward. Here, we demonstrate the implementation and result of a supine percutaneous nephroscopic surgery (PNS) to retrieve a proximately migrated ureteral catheter in a pediatric patient. PATIENT AND METHODS: A 1-year-old boy was suffering from an upward migration of a ureteric catheter into the right ureter after an open Anderson-Hynes pyeloplasty. The child was placed in the Galdakao-modified supine Valdivia (GMSV) position and a PNS procedure was performed. The calyceal access was carefully punctured by ultrasonographic guidance. The nephrostomy tract was dilated with a metal dilator using a one-step technique. An exploratory nephroscopy of the renal pelvis was conducted with a 12Fr miniature nephroscope and the migrated ureteral catheter was removed. A hybrid guidewire was retrogradely inserted into the ureteric orifice using a rigid ureteroscope. An antegrade double J stent was inserted in the proper position and a percutaneous nephrostomy was performed. RESULTS AND CONCLUSION: This is the first report of a successfully removed upwardly migrated ureteral catheter with concurrent insertion of an antegrade double J stent by supine PNS in the GMSV position in an infant. The patient recovered well after surgery with no adverse event, demonstrating that this operation can be carried out safely on pediatric patients.

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BACKGROUND: The Size, Topography, Obstruction, Number, and Evaluation of Hounsfield units (S.T.O.N.E.) scoring system has been proposed as a novel prognostic surgical classification for urolithiasis in predicting success rate and complications. OBJECTIVE: We carried out an externally validated S.T.O.N.E. score on rigid ureteroscopic lithotripsy (rURS). MATERIALS AND METHODS: The data of patients who had undergone rURS between 2012 and 2019 at a tertiary referral center were audited retrospectively. The S.T.O.N.E. score was calculated based on factors determined through preoperative computed tomography images and was analyzed in association with stone-free rate (SFR), operating time, surgical complications, and length of stay (LOS). RESULTS: A total of 155 patients were included in the study with a median stone size of 10 mm (7-12) and a median S.T.O.N.E. score of 9 (8-10). The overall SFR was 89.68%. SFRs were 100.0%, 97.83%, and 77.42% in low (5), moderate (6-9), and high (10-13) score groups, respectively. The S.T.O.N.E. score (p = 0.002) and stone size (p = 0.037) were predictive factors for SFR in multivariate analysis. Moreover, there was a significant correlation between the S.T.O.N.E. score and operative time, LOS, and presence of complications (r = 0.22, p = 0.006; r = 0.30, p < 0.001; and r = 0.27, p < 0.001, respectively). The area under the curve of the receiving operator characteristics' curve for the S.T.O.N.E. score was 0.815. CONCLUSION: The S.T.O.N.E. scoring system is simple and effective in predicting postoperative outcomes; therefore, this score would be a valuable tool in clinical planning for every patient who undergoes rURS.