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https://www.readbyqxmd.com/read/29319478/moses-technology-in-a-stone-simulator
#1
Ahmed Ibrahim, Shadi Badaan, Mostafa M Elhilali, Sero Andonian
INTRODUCTION: The objective of this study was to compare fragmentation efficiency of the conventional regular mode of holmium laser to the Moses contact mode on a stone simulator. METHODS: The Lumenis® PulseTM P120H holmium laser system together with Moses D/F/L fibers were used to compare regular mode with Moses contact mode in a stone simulator model using flexible ureteroscopy with artificial stones. Efficiency of laser lithotripsy was measured by procedural time...
December 22, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29239227/micro-costing-analysis-demonstrates-comparable-costs-for-lithovue%C3%A2-compared-to-reusable-flexible-fiberoptic-ureteroscopes
#2
Kazumi Taguchi, Manint Usawachintachit, David T Tzou, Benjamin Sherer, Ian Metzler, Dylan Isaacson, Marshall Stoller, Thomas Chi
INTRODUCTION: Reusable ureteroscope durability and need for repair are significant sources of expense and inefficiency for patients and urologists. Utilization of LithoVue™, a disposable flexible digital ureteroscope, may address some of these concerns. To identify its economic impact on clinical care, we performed a micro-cost comparison between flexible reusable fiberoptic ureteroscopes (URF-P6™) and LithoVue™. PATIENTS AND METHODS: For this prospective, single-center micro-costing study, all consecutive ureteroscopies performed during one week each in July and August 2016 utilized either URF-P6™ or LithoVue™ ureteroscopes respectively...
December 14, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29224057/identifying-factors-associated-with-need-for-flexible-ureteroscope-repair-a-western-endourology-stone-west-research-consortium-prospective-cohort-study
#3
Kazumi Taguchi, Jonathan D Harper, Marshall L Stoller, Brian D Duty, Mathew D Sorensen, Roger L Sur, Manint Usawachintachit, David T Tzou, David L Wenzler, Dylan Isaacson, Angela Xu, Carissa Chu, Uwais B Zaid, Eric R Taylor, Krishna Ramaswamy, Thomas Chi
Maintenance of flexible ureteroscopes can involve high costs and administrative burden. Instrument fragility necessitates eventual repair, rendering scopes inaccessible during refurbishment. We conducted a multi-institutional prospective cohort study to identify perioperative factors influencing flexible ureteroscope durability. Patients undergoing flexible ureteroscopy (URS) at six United States endourology centers were enrolled between August 2014 and June 2015. Surgeon self-reported concern and satisfaction with scope performance as well as upward and downward angles of deflection for each scope tip were measured before and after each procedure...
December 9, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29222575/flexible-ureteroscopy-technique-tips-and-tricks
#4
REVIEW
Steeve Doizi, Olivier Traxer
During the last decades, the surgical management of kidney stones benefited of many technological advances and one of them is the development of flexible ureteroscopy (fURS). This tool, ancillary equipment such as graspers and baskets, and lithotripsy technique with Holmium:YAG laser underwent many improvements leading to a widening of its indications with diagnostic and therapeutic management of upper urinary tract pathologies such as urolithiasis and urothelial tumors. The objective of this review is to describe the surgical technique for fURS as well as tips and tricks for the treatment of renal stones...
December 8, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29219276/endourologic-strategies-for-a-minimally-invasive-management-of-urinary-tract-stones-in-patients-with-urinary-diversion
#5
FangLing Zhong, Gurioli Alberto, GuangMing Chen, Wei Zhu, FuCai Tang, Guohua Zeng, Ming Lei
OBJECTIVE: To present our experience in minimally invasive management of urinary tract stones in patients with urinary diversion. MATERIALS AND METHODS: We retrospectively reviewed 26 patients with urinary tract stones after cystectomy and urinary diversion. The types of urinary diversion were ileal conduit, colon conduit, ileal orthotopic neobladder in 19, 4, and 3 patients, respectively. At postoperative days 2, a plain KUB and urinary ultrasonography were performed in order to assess stone fragmentation or hydronephrosis...
December 11, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29189885/invited-review-the-tale-of-ecirs-endoscopic-combined-intrarenal-surgery-in-the-galdakao-modified-supine-valdivia-position
#6
REVIEW
Cesare Marco Scoffone, Cecilia Maria Cracco
Modern-day percutaneous nephrolithotomy (PNL) has undergone considerable evolution, mainly driven by the improvement in access techniques, endoscopic instrumentation technology, lithotripsy devices and drainage management. The introduction of the supine and supine-modified positions is also part of this evolution, enabling comfortable and safe procedures from an anaesthesiological point of view, and an easy combined retrograde surgery [Endoscopic Combined IntraRenal Surgery (ECIRS)], allowing tailoring of the procedure on the patient, the dynamic anatomy of the collecting system and the urolithiasis...
November 30, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29170856/robot-assisted-flexible-ureteroscopy-an-update
#7
REVIEW
Jens Rassweiler, Marcel Fiedler, Nikos Charalampogiannis, Ahmet Sinan Kabakci, Remzi Saglam, Jan-Thorsten Klein
The role of flexible ureteroscopy (FURS) in the management of nephrolithiasis has increased due to the improved armamentarium. However, FURS still represents a challenging technique limiting its diffusion. Similar to previous experiences in laparoscopy, recently developed robotic devices may significantly compensate for the ergonomic deficiencies of FURS. Based on a short description of the history of robotic devices for laparoscopy, this article summarizes all current developments of robotic FURS. In 2008, robotic FURS was first reported using the Sensei-Magellan system designed for interventional cardiology...
November 23, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29161894/new-advanced-bench-model-for-flexible-ureteroscopic-training-the-smart-simulator
#8
Takaaki Inoue, Shinsuke Okada, Shuzo Hamamoto, Tadashi Matsuda
Smart Simulator is a new advanced bench training model for achieving proficiency in flexible ureteroscopy (fURS). Its important features are portability and the ability to simulate breathing-induced kidney movements, model pyelocalices similar to those in humans, create a situation closely resembling a fURS field, and create papillae of a size equivalent to that of the access sheath. Smart Simulator thus creates a situation more closely resembling that in a clinical setting than the other bench training models for fURS...
November 22, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29153902/robotic-buccal-mucosal-graft-ureteroplasty-for-complex-ureteral-stricture
#9
Sohrab Arora, Logan Campbell, Mouafak Tourojman, Daniel Pucheril, Lamont R Jones, Craig Rogers
OBJECTIVE: To demonstrate robot-assisted ureterolysis and buccal mucosal graft (BMG) ureteroplasty for the management of a complex, long recurrent ureteral stricture developing after ureterolysis, and also to demonstrate the use of near-infrared fluorescence (NIRF) imaging and intraoperative ureteroscopy during this procedure. METHODS: A 58-year-old man with a history of cabergoline treatment and a cardiac catheterization through the left groin presented with left flank pain and hydronephrosis...
December 2017: Urology
https://www.readbyqxmd.com/read/29130401/combined-single-tract-of-minimally-percutaneous-nephrolithotomy-and-flexible-ureteroscopy-for-staghorn-calculi-in-oblique-supine-lithotomy-position
#10
Songbai Leng, Donghua Xie, Yi Zhong, Ming Huang
PURPOSE: To present our experience of combined single-percutaneous tract minimally invasive percutaneous nephrolithotomy (MPCNL) and flexible ureteroscopic lithotripsy (FURL) in managing staghorn calculi (SC) in oblique supine lithotomy position and to define the safety, efficiency, and feasibility of this approach. PATIENTS AND METHODS: Eighty-seven patients with SC treated with surgery in our hospital from March 2014 to January 2016 were retrospectively analyzed...
November 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/29118544/the-rarest-phenomenon-of-flexible-ureterolithotripsy-kidney-stone-in-supernumerary-type-combination-with-a-horseshoe-kidney
#11
Musab Ilgi, Cemil Kutsal, Cumhur Yesildal, Ayhan Dalkilinc, Sinan Levent Kirecci
The horseshoe kidney (HSK) is common and supernumerary kidney is the rarest developmental anomaly of the urogenital system. The supernumerary kidney in a HSK conjunction is extremely rare, and prevalence of it is unknown. A review of literature, there have been a few case reports about the supernumerary and HSK combination, however, none of which also had a concomitant kidney stone and obstructive pathology. Our case indicated that patient referred to flank pain and visible hematuria to our clinic, and further investigations demonstrate supernumerary kidney in a horseshoe configuration and kidney stone...
October 2017: Urology Annals
https://www.readbyqxmd.com/read/29102376/-evaluation-of-stone-size-before-flexible-ureteroscopy-which-measurement-is-best
#12
R Diamand, M Idrissi-Kaitouni, E Coppens, T Roumeguère, F Legrand
PURPOSE: To retrospectively assess the clinical utility in ureteroscopy (URS) planning of radiological parameters as predictor of stone-free status after a single flexible ureteroscopy. MATERIAL: Sixty-seven patients with renal stones treated by flexible URS were retrospectively evaluated. To assess the clinical utility of radiological parameters, relationships between stone-free (SF) status and stone burden (maximal diameter, calculated area, calculated volume, cumulative diameter, and tridimentionnal volume [V3D]) were analyzed using the area under the receiver operating characteristics curve and logistic regression...
November 1, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/29098195/subcapsular-splenic-urinoma-and-splenorenal-fistula-a-new-complication-of-percutaneous-nephrolithotomy
#13
Eugene B Cone, Ghalib Jibara, Daniel Wollin, Glenn M Preminger
Background: Splenic urinoma has not been previously reported as a complication of percutaneous nephrolithotomy (PNL). Case Presentation: A 46-year-old Caucasian male underwent PNL for two large left renal stones. Surgery was performed in prone split-leg position, with access obtained through combined fluoroscopic guidance and direct ureteroscopic observation of the targeted calix. The tract was dilated to 30F using a pressure balloon, and complete clearance of stones was obtained through a combination of rigid and flexible nephroscopy, as well as antegrade ureteroscopy...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29082326/-valve-type-retainment-of-flexible-ureteroscope-in-the-distal-ureter
#14
Nariman Gadzhiev, Vladislav Grigoryev, Zhamshid Okhunov, Nobel Nguyen, Aleksei Pisarev, Bairamov Hikmet, Sergei Petrov
Introduction: Flexible ureteroscopy (fURS) is an endoscopic procedure for the minimally invasive treatment of ureteral and renal calculi. Due to improvements in technique and ureteroscopic instrumentation over the past two decades, complications associated with URS are infrequent. However, in the event of an unexpected device malfunction or failure, the operating surgeon must employ prompt, resolute decision-making to resolve any intraoperative complications and avoid significant injury to the kidney or ureter...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29058024/management-of-renal-transplant-urolithiasis-a-multicentre-study-by-the-french-urology-association-transplantation-committee
#15
J Branchereau, M O Timsit, Y Neuzillet, T Bessède, R Thuret, M Gigante, X Tillou, R Codas, J Boutin, A Doerfler, F Sallusto, T Culty, V Delaporte, N Brichart, B Barrou, L Salomon, G Karam, J Rigaud, L Badet, F Kleinklauss
PURPOSE: Urolithiasis is rare among renal transplant recipients and its management has not been clearly defined. METHODS: This multicentre retrospective study was organised by the Comité de Transplantation de l'Association Française d'Urologie (French Urology Association transplantation committee). Statistical analysis was performed with SPSS 19 software. RESULTS: Ninety-five patients were included in this study. Renal transplant urolithiasis was an incidental finding in 55% of cases, mostly on a routine follow-up ultrasound examination...
October 22, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29048204/editorial-comment-on-defining-the-costs-of-reusable-flexible-ureteroscope-reprocessing-using-time-driven-activity-based-costing-by-isaacson-et-al-from-isaacson-d-ahmad-t-metzler-i-et-al-endourol-2017-31-1026-1031
#16
https://www.readbyqxmd.com/read/28981230/-diagnosis-and-treatment-of-nephrolithiasis-and-prevention-of-recurrences
#17
I Simon, F Legrand, J M Des Grottes, F Cotton, J Nortier, T Roumeguère
despite fluctuations, the prevalence of nephrolithiasis has significantly increased during the last decades in industrialized nations worldwide (1 to 15 %), which has a significant impact on the cost of healthcare. This increased prevalence is mainly explained by diet modifications. Environmental, metabolic and genetic factors may also influence the formation of kidney stones. As a consequence, the medical management of this disease is preferentially multidisciplinary and involves urologists, nephrologists, radiologists, biologists and dietitians...
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28977111/is-a-safety-guidewire-needed-for-retrograde-ureteroscopy
#18
Wilson Rica Molina, Rodrigo R Pessoa, Rodrigo Donalísio da Silva, Diedra Gustafson, Leticia Nogueira, Alex Meller
INTRODUCTION: It is generally advised to have a safety guidewire (SGW) present during ureteroscopy (URS) to manage possible complications. However, it increases the strenght needed to insert and retract the endoscope during the procedure, and, currently, there is a lack of solid data supporting the need for SGW in all procedures. We reviewed the literature about SGW utilization during URS. METHOD: A review of the literature was conducted through April 2017 using PubMed, Ovid, and The Cochrane Library databases to identify relevant studies...
August 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28964566/complete-calcified-ureteral-stent-a-combined-1-session-approach
#19
Fabio C M Torricelli, Ricardo H Berjeaut, Luccas Laffeira, Fernando I Yamauchi, Giovanni S Marchini, William C Nahas, Miguel Srougi, Eduardo Mazzucchi
OBJECTIVE: To demonstrate a successful 1-session approach to a complete calcified ureteral stent, preserving the affected kidney without complications. PATIENT AND METHODS: A 33-year-old man presented at our service with an increased urinary frequency, afebrile urinary tract infection, and left lumbar pain. He underwent a ureterolithotripsy with ureteral stenting 3 years ago. After that intervention, he was lost to follow-up. A noncontrast computed tomography scan revealed a complete calcified ureteral stent (FECal V)...
August 31, 2017: Urology
https://www.readbyqxmd.com/read/28914602/initial-clinical-experience-with-a-modulated-holmium-laser-pulse-moses-technology-does-it-enhance-laser-lithotripsy-efficacy
#20
Gilad Amiel, Michael Mullerad, Jonatan R A Aguinaga, Tareq Aro, Alexander Kastin, Oleg Goldin, Alexander Kravtsov, Akram Assadi, Shadie Badaan, Gilad E Amiel
OBJECTIVE: The Lumenis(®) High-power Holmium Laser (120H) has a unique modulated pulse mode, Moses™ technology. Moses technology modulates the laser pulse to separate the water (vapor bubble), then deliver the remaining energy through the bubble. Proprietary laser fibers were designed for the Moses technology. Our aim was to compare stone lithotripsy with and without the Moses technology. METHODS: We designed a questionnaire for the urologist to fill immediately after each ureteroscopy in which the Lumenis 120H was used...
October 16, 2017: Rambam Maimonides Medical Journal
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