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Ureteroscopy flexible

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https://www.readbyqxmd.com/read/28346915/safety-and-efficacy-of-flexible-ureteroscopy-in-combination-with-holmium-laser-lithotripsy-for-the-treatment-of-bilateral-upper-urinary-tract-calculi
#1
Bing Yang, Hao Ning, Zheng Liu, Yi Zhang, Chengfan Yu, Xianghua Zhang, Dongliang Pan, Kejia Ding
OBJECTIVE: To retrospectively evaluate the safety and efficacy of flexible ureteroscopy (FURS) in combination with holmium laser lithotripsy for the treatment of bilateral upper urinary calculi. MATERIALS AND METHODS: The stone-free status was defined as the absence of any stones or asymptomatic status, or the presence of clinically insignificant residual fragments <4 mm, and was assessed by plain kidney, ureter, and bladder X-ray. The operative time, stone-free rates (SFRs), serum creatinine (SCr), and complications were recorded...
March 28, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28338302/use-of-the-uro-dyna-ct-in-endourology-the-new-frontier
#2
Fabio C Vicentini, Luiz A A Botelho, José L M Braz, Ernane S Almeida, Marcelo Hisano
We describe the use of the Uro Dyna-CT, an imaging system used in the operating room that produces real-time three-dimensional (3D) imaging and cross-sectional image reconstructions similar to an intraoperative computerized tomography, during a percutaneous nephrolithotomy and a contralateral flexible ureteroscopy in a complete supine position. A 65 year-old female patient had an incomplete calyceal staghorn stone in the right kidney and a 10mm in the left one. The procedure was uneventful and the intraoperative use of the Uro Dyna-CT identified 2 residual stones that were not found by digital fluoroscopy and flexible nephroscopy at the end of surgery, helping us to render the patient stone-free in one procedure, which was confirmed by a postoperative CT scan...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28336220/ureteroscopy-and-laser-stone-fragmentation-ursl-for-large-%C3%A2-1%C3%A2-cm-paediatric-stones-outcomes-from-a-university-teaching-hospital
#3
N C Featherstone, B K Somani, S J Griffin
INTRODUCTION: The treatment of large renal stones (≥1 cm) in paediatric patients is challenging. The usual treatment options include percutaneous nephrolithotomy (PCNL) or shockwave lithotripsy (SWL). There is a rise in the use of ureteroscopy and laser stone fragmentation (URSL) for paediatric stones; however, outcomes of treatment for large renal stones in this age group are still largely unknown. OBJECTIVE: To investigate the outcome of URSL for large paediatric renal stones ≥1 cm treated at the present institution over the last 5 years...
August 24, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28322594/development-of-endoscopic-diagnosis-and-treatment-for-chronic-unilateral-hematuria-35-years-experience
#4
Ryuta Tanimoto, Hiromi Kumon, Demetrius H Bagley
PURPOSE: Chronic unilateral hematuria (CUH) is also called lateralizing essential hematuria, benign essential hematuria, and benign lateralizing hematuria, which was defined as intermittent or continuous gross hematuria that cannot be diagnosed with standard radiology and hematology studies, together with unilateral bloody efflux by cystoscopy. CUH is rare, but sometimes confused with malignancy or life threatening hemorrhage. Therefore, it can cause considerable anxiety to not only patients but also urologists...
March 21, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28319324/future-of-robotic-surgery-in-urology
#5
Jens J Rassweiler, Riccardo Autorino, Jan Klein, Alex Mottrie, Ali Serdar Goezen, Jens-Uwe Stolzenburg, Koon H Rha, Marc Schurr, Jihad Kaouk, Vipul Patel, Prokar Dasgupta, Evangelos Liatsikos
OBJECTIVES: To provide a comprehensive overview of the current status and future perspectives in the field of robotic systems for urologic surgery. MATERIALS AND METHODS: A non-systematic literature review was performed by using PubMed / Medline search electronic engines. Existing patents for robotic devices were researched using the Google search machine. Findings were critically analyzed also by taking into account personal experience of the authors. RESULTS: Relevant patents of the first generation of the da Vinci platform will expire in 2019...
March 20, 2017: BJU International
https://www.readbyqxmd.com/read/28303335/treatment-selection-for-urolithiasis-percutaneous-nephrolithomy-ureteroscopy-shock-wave-lithotripsy-and-active-monitoring
#6
Mahesh Desai, Yinghao Sun, Noor Buchholz, Andrew Fuller, Tadashi Matsuda, Brian Matlaga, Nicole Miller, Damien Bolton, Mohammad Alomar, Arvind Ganpule
Urolithiasis is a significant worldwide source of morbidity, constituting a common urological disease that affects between 10 and 15% of the world population. Recent technological and surgical advances have replaced the need for open surgery with less invasive procedures. The factors which determine the indications for percutaneous nephrolithotomy include stone factors (stone size, stone composition, and stone location), patient factors (habitus and renal anomalies), and failure of other treatment modalities (ESWL and flexible ureteroscopy)...
March 16, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28299446/do-renal-stones-that-fail-lithotripsy-require-treatment
#7
Ben Pullar, Catherine Lunter, Jane Collie, Syed Shah, Nimish Shah, Sami Hayek, Oliver J Wiseman
The rates of extracorporeal shock wave lithotripsy (SWL) appear stable in the UK. However, there is little evidence on the natural history of these calculi if SWL fails. We set to look at the effectiveness of SWL in patients with a single, previously untreated renal stone and the natural history of those stones that failed treatment. We retrospectively reviewed all data from our prospectively collected database of patients undergoing a first treatment for a single renal stone between October 2010 and November 2013...
March 15, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28287823/a-prospective-case-control-study-comparing-lithovue-a-single-use-flexible-disposable-ureteroscope-with-flexible-reusable-fiber-optic-ureteroscopes
#8
Manint Usawachintachit, Dylan S Isaacson, Kazumi Taguchi, David T Tzou, Ryan S Hsi, Benjamin A Sherer, Marshall L Stoller, Thomas Chi
OBJECTIVE: LithoVue™ is a novel, single-use, digital flexible ureteroscope that was released to the US market in January 2016. There are scant data regarding its performance in humans. Procedural outcomes comparing LithoVue with reusable ureteroscopes are presented in patients undergoing ureteroscopy for upper urinary tract pathology. PATIENTS AND METHODS: Clinical outcomes between two groups of patients undergoing flexible ureteroscopy for upper urinary tract pathology were analyzed...
March 13, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28275516/tubeless-mini-percutaneous-nephrolithotomy-versus-retrograde-intrarenal-surgery-for-lower-calyceal-stones-of-%C3%A2-2%C3%A2-cm-a-prospective-randomised-controlled-study
#9
Amr S Fayad, Mohamed G Elsheikh, Waleed Ghoneima
OBJECTIVE: To assess the safety, efficacy, and stone-free rate (SFR) of mini-percutaneous nephrolithotomy (mini-PCNL) and retrograde intrarenal surgery (RIRS) for the management of lower calyceal stones of ⩽2 cm, and to determine the advantages and disadvantages of each. PATIENTS AND METHODS: In all, 120 patients with lower calyceal stones of ⩽2 cm were randomly divided into two equal groups: Group A were managed by mini-PCNL and Group B by RIRS using flexible ureteroscopy and laser...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28265593/retained-digital-flexible-ureteroscopes
#10
Melissa Huynh, Siobhan Telfer, Stephen Pautler, John Denstedt, Hassan Razvi
This report documents two instances of retained flexible ureteroscopes at the time of ureteroscopy and laser lithotripsy in a healthy 37-year-old male and a 53-year-old male with a pelvic kidney. We describe maneuvers to remove the ureteroscope endoscopically in the first case, while the second case required conversion to open surgery for ureteroscope extrication.
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28255156/ex-vivo-removal-of-stones-in-donor-kidneys-by-flexible-ureteroscopy-prior-to-renal-transplantation-a-case-report
#11
Na Wang, Honglan Zhou, Bo Shi, Jinguo Wang
BACKGROUND Because of the shortage of grafts, many attempts have been made to treat calculi in donor kidneys and have achieved successful management. This case report is the first to present removal of stones from bilateral kidneys from a single donor through flexible ureteroscopy before transplantation. CASE REPORT The present case report shows the clinical management of bilateral donor kidneys with calculi, which were taken from a 33-year-old man through donation after cardiac death (DCD). Computed tomography showed 2 stones in the right donor kidney and 1 in the left donor kidney...
March 3, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28221156/-microperc-fashion-or-reality
#12
Marcos Cepeda, José H Amón
Miniaturization in percutaneous surgery has seen its zenith in microperc. Technological advances have enabled us to treat renal lithiasis through a 4.8 Ch. caliper percutaneous access. According to published literature, the technique is reproducible and when applied to small and medium size renal lithiasis has a high success rate keepin a low complication rate. Its main advantage is the absence of tract dilatation, diminishing the bleeding risk inherent to percutaneous access, postoperative pain and hospital stay...
January 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28221149/technique-minimal-requirements-and-fragmentation-strategies-in-rirs
#13
Juan Ramón Cansino Alcaide, Alejandra Portilla Eastmond
Flexible ureteroscopy is a highly resolving surgery which is able to solve most renal lithiasis of any Urology Department, with very low economic impact. It is a technique that has helped to continue treatment when SWL couldn't, and also has reduced the number of percutaneous renal surgeries that we currently perform. In this paper, we try review three important features of the operation: Technique, minimal requirements that we need to perform this surgery in a Urology Department, and the different possibilities to treat the lithiasis with holmium laser...
January 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28221147/-update-in-the-management-of-ureteral-lithiasis-semirigid-and-flexible-ureterorenoscopy
#14
Carlos Torrecilla Ortiz, Sergi Colom Feixas
OBJECTIVE: The contribution of therapeutic ureteroscopy done by Perez Castro in 1980 varied the management algorithm for ureteral lithiasis worldwide. The techniques of Retrograde Ureteroscopy and transrenal antegrade ureteroscopy led to the abandonment of open surgery for the treatment of ureteral lithiasis. Only Shock wave lithotripsy has maintained similar success rates in selected cases. METHODS: Descriptive analysis of the semirigid and flexible ureteroscopy techniques performed in our department over the last 10 years giving detail on the technique and safety tips to increase the efficacy and efficiency of ureteroscopy...
January 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28203551/digital-ureteroscopes-technology-update
#15
REVIEW
Chad M Gridley, Bodo E Knudsen
The field of ureteroscopy has undergone a continual evolution since the first ureteroscopes were introduced. Over the past 10 years, we have entered into the digital era of ureteroscopy with both semirigid and flexible options becoming available. The following review looks at the benefits and drawbacks of digital flexible ureteroscopes as well as the current commercially available options.
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/28182718/rigid-ureteroscopic-lithotripsy-versus-percutaneous-nephrolithotomy-for-large-proximal-ureteral-stones-a-meta-analysis
#16
Qing Wang, Jiachao Guo, Henglong Hu, Yuchao Lu, Jiaqiao Zhang, Baolong Qin, Yufeng Wang, Zongbiao Zhang, Shaogang Wang
OBJECT: To compare the safety and efficacy of rigid ureteroscopic lithotripsy (rigid URSL) and percutaneous nephrolithotomy (PCNL) in treating large proximal ureteral stones. METHODS: A systematic search of PubMed, EMBASE, Cochrane Library, and Web of Science databases was performed to find out relevant studies. After literature screening according to the predetermined inclusion and exclusion criteria, data of eligible studies was extracted and then a meta-analysis was conducted via RevMan 5...
2017: PloS One
https://www.readbyqxmd.com/read/28161725/treatment-for-residual-stones-using-flexible-ureteroscopy-and-holmium-laser-lithotripsy-after-the-management-of-complex-calculi-with-single-tract-percutaneous-nephrolithotomy
#17
L Chen, M-L Sha, D Li, J Zhuo, C-Y Jiang, Y-P Zhu, S-J Xia, J Lu, Y Shao
This study validated the effectiveness and safety of the treatment for residual stones using flexible ureteroscopy (fURS) and holmium laser (0.6-1.2 J, 20-30 Hz) lithotripsy via a fiber with a 200-μm core diameter and 0.22 numerical aperture (NA) after the management of complex calculi with single-tract percutaneous nephrolithotomy (PCNL). Between January 2014 and June 2016, 27 consecutive patients with complex calculi underwent fURS and holmium laser lithotripsy after a planned single-tract PCNL. Among the 27 patients with complex calculi, 9 had full staghorn calculi, 7 had partial staghorn calculi, and 11 had multiple calculi...
April 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28150482/life-threatening-complications-after-ureteroscopy-for-urinary-stones-survey-and-revision-of-the-current-literature
#18
Luca Cindolo, Pietro Castellan, Giulia Primiceri, Andras Hoznek, Cecilia M Cracco, Cesare M Scoffone, Antonio Galfano, Giovanni Petralia, Michele DE Angelis, Filippo Annino, Emilio Malacasa, Luigi Cormio, Pietro Acquati, Elisa DE Lorenzis, Orazio Maugeri, Giuseppe Arena, Antonio Celia, Guido Giusti, Luigi Schips
Retrograde ureteroscopy (URS) has become a common procedure for the management of urinary stones. Although its efficacy and safety are well known, the literature about major complications is still poor. This study highlighted some cases of life-threatening complications after semirigid ureteroscopy (s-URS) or flexible ureteroscopy (f-URS). We enrolled experienced endourologists (more than 75 cases/year in the last 3 years) and we performed a survey asking to review their series and report the cases encumbered by major complications (Clavien-Dindo IIIb-IV grade)...
February 1, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28124870/rigid-only-versus-combined-rigid-and-flexible-percutaneous-nephrolithotomy-pnl-a-systematic-review
#19
Cecilia M Cracco, Thomas Knoll, Evangelos N Liatsikos, Palle J Osther, Arthur D Smith, Roberto M Scarpa, Cesare M Scoffone
INTRODUCTION: Percutaneous nephrolithotomy (PNL) is usually performed worldwide with a rigid-only antegrade approach. Daily practice suggests that adding flexible nephroscopy and/or ureteroscopy to conventional rigid PNL might improve its efficacy and safety, but available evidence is weak. Appraisal of reliable outcomes of such PNL techniques would better guide intraoperative choices and optimize surgical results. Therefore our objective was to systematically review relevant literature comparing the outcomes of rigid-only PNL and combined flexible PNLs (adding flexible nephroscopy and/or flexible ureteroscopy) for the treatment of large and/or complex upper urinary tract calculi, with regard to efficacy and safety...
January 26, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28104420/use-of-a-novel-flexible-mini-nephroscope-in-minimally-invasive-percutaneous-nephrolithotomy
#20
Dilip Kumar Mishra, Madhu Sudan Agrawal
OBJECTIVE: To assess the feasibility and safety of a novel flexible mini-nephroscope in minimally invasive percutaneous nephrolithotomy (PCNL). Presumably, limiting the size and number of tracts during PCNL has the potential of decreasing the morbidity of the procedure. We present our experience with this new technique. MATERIALS AND METHODS: A retrospective analysis of patients with multiple kidney stones treated with mini-PCNL combined with a novel flexible mini-nephroscope was performed...
January 16, 2017: Urology
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