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    A clinical evaluation of the new digital single-use flexible ureteroscope (UscopePU3022): An international prospective multicentered study
    (Polish Urological Association, 2018) Johnston, Thomas James; Baard, Joyce; de la Rosette, Jean J. M. C. H.; Doizi, Steeve; Giusti, Guido; Knoll, Thomas; Proietti, Silvia; Brehmer, Marianne; Emiliani, Esteban; Perez-Fentes, Daniel; Osther, Palle Jorn Sloth; Seitz, Christian; Neal, Naomi; Turney, Ben; Hasan, Mudhar; Traxer, Olivier; Wiseman, Oliver
    Introduction We assessed the clinical performance of a new digital single-use flexible ureteroscope (UscopePU3022). Material and methods A prospective cohort study was carried out across 11 centers (July-Oct. 2017). The UscopePU3022 was assessed regarding ease of insertion; deflection, image quality, maneuverability and overall performance using either a visual analog* or Likert scale. Results A total of 56 procedures were performed in 11 centers (16 surgeons) with the indication being renal stones in 83%. The median score for ease of scope insertion was 10 (3-10). Intraoperative maneuverability was rated as 'good' in 38% and 'very good' in 52%. Visual quality was rated as 'poor or bad' in 18%, 'fair' in 37% and 'good very good' in 43%. Two scopes failed intraoperatively (4%). Preoperative and postoperative median upward and downward deflection was 270 degrees. Compared to standard flexible ureteroscopy (f-URS) maneuverability was rated as 'equivalent' in 30% and 'better' in 60%; visual quality was 'worse' in 38% and 'equivalent or better' in 62%; limb fatigue scores were 'better' in 86%; and overall performance was 'worse' in 55% and 'equivalent or better' in 45%. Conclusions UscopeTM3022 performed well with regards to maneuverability, deflection and limb fatigue and appears to be at least non-inferior to standard f-URS with regards to these parameters. Poor image quality is a concern for UscopePU3022 with it receiving a low overall performance rating when compared to standard f-URS. Despite this it scored highly when investigators were asked if they would use it in their practice if it was cost-effective to do so.
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    European association of urology section of urolithiasis and international alliance of urolithiasis joint consensus on retrograde intrarenal surgery for the management of renal stones
    (Elsevier B.V., 2022) Zeng, Guohua; Zhao, Zhijian; Mazzon, Giorgio; Pearle, Margaret; Choong, Simon; Skolarikos, Andreas; Denstedt, John; Seitz, Christian; Olvera Pasada, Daniel; Fiori, Cristian; Bosio, Andrea; Papatsoris, Athanasios; Méndez Probst, Carlos Enrique; Perez Fentes, Daniel; Ann Git, Kah; Wu, Qinghui; Wiseman, Oliver; Emiliani, Esteban; Farahat, Yasser; Gökçe, Mehmet İlker; Giannakopoulos, Stilianos; Goumas Kartalas, Ioannis; Somani, Bhaskar; Knoll, Thomas; de la Rosette, Jean J. M. C. H.; Zhong, Jiehui; Vinicius Maroccolo, Marcus; Saltirov, lliya; Chew, Ben; Wang, Kunjie; Lahme, Sven; Giusti, Guido; Ferretti, Stefania; Yong Cho, Sung; Geavlete, Petrisor; Cansino, Ramon; Kamphuis, Guido M.; Smith, Daron; Matlaga, Brian R.; Ghani, Khurshid D.; Bernardo, Norberto; Silva, Andres D.; Ng, Anthony C.F.; Yang, Sixing; Gao, Xiaofeng; Traxer, Olivier; Miernik, Arkadiusz; Liatsikos, Evangelos; Priyakant Parikh, Kandarp; Duvdevani, Mordechai; Celia, Antonio; Yasui, Takahiro; Aquino, Albert; Alomar, Mohammad; Choonhaklai, Vorapot; Erkurt, Bulent; Glass, Jonathan; Sriprasad, Seshadri; Osther, Palle J.; Keeley, Francis X.; Preminger, Glenn M.; Cepeda Delgado, Marcos; Beltran Suarez, Edgar; Ye, Zhangqun; Sarica, Kemal
    Background: Retrograde intrarenal surgery (RIRS) has become the preferred treatment modality for nephrolithiasis. However, because of ongoing uncertainties regarding the optimal perioperative management, operative technique, and postoperative follow-up, as well as a lack of standardization for outcome reporting, consensus is needed to achieve more uniform clinical practice worldwide. Objective: To develop recommendations for RIRS on the basis of existing data and expert consensus. Design, setting, and participants: A protocol-driven, three-phase study was conducted by the European Association of Urology Section of Urolithiasis (EULIS) and the International Alliance of Urolithiasis (IAU). The process included: (1) a nonsystematic review of the literature to define domains for discussion; (2) a two-round modified Delphi survey involving experts in this field; and (3) an additional group meeting and third-round survey involving 64 senior representative members to formulate the final conclusions. Outcome measurements and statistical analysis: The results from each previous round were returned to the participants for re-evaluation of their decisions during the next round. The agreement threshold was set at 70%. Results and limitations: The panel included 209 participants who developed 29 consensus statements on the following topics of interest: (1) perioperative infection management; (2) perioperative antithrombotic therapy; (3) fundamentals of the operative technique; and (4) standardized outcome reporting. Although this consensus can be considered as a useful reference for more clinically oriented daily practice, we also acknowledge that a higher level of evidence from further clinical trials is needed. Conclusions: The consensus statements aim to guide and standardize clinical practice and research on RIRS and to recommend standardized outcome reporting. Patient summary: An international consensus on the best practice for minimally invasive surgery for kidney stones was organized and developed by two international societies. It is anticipated that this consensus will provide further guidance to urologists and may help to improve clinical outcomes for patients.