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Journal of Endourology

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https://www.readbyqxmd.com/read/28521550/detection-and-evaluation-of-renal-injury-in-burst-wave-lithotripsy-using-ultrasound-and-magnetic-resonance-imaging
#1
Philip Clark May, Wayne Kreider, Adam D Maxwell, Yak-Nam Wang, Bryan W Cunitz, Philip M Blomgren, Cynthia Johnson, Joshua Sh Park, Michael R Bailey, Donghoon Lee, Jonathan D Harper, Mathew D Sorensen
PURPOSE: Burst wave lithotripsy (BWL) is a transcutaneous technique with potential to safely and effectively fragment renal stones. Preclinical investigations of BWL require the assessment of potential renal injury. This study evaluates the capabilities of real-time ultrasound and magnetic resonance imaging (MRI) to detect and evaluate BWL injury that was induced in porcine kidneys. MATERIALS AND METHODS: Ten kidneys from five female farm pigs were treated with either a 170 kHz or 335 kHz BWL transducer using variable treatment parameters and monitored in real time with ultrasound...
May 18, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28521539/jackets-off-the-impact-of-laser-fiber-stripping-on-power-output-and-stone-degradation
#2
Cayde Ritchie, Patrick Yang, Brandon Peplinski, Mohamed Keheila, Salim Cheriyan, Samuel R Abourbih, Wayne Kelln, D Duane Baldwin
PURPOSE: To investigate the effect of laser fiber stripping on stone fragmentation and laser fiber power output. MATERIALS & METHODS: In a benchtop simulation of laser lithotripsy, 20 BegoStone phantoms were positioned within a ureteral model and irradiated for 10 minutes at 8 Hz and 0.8 J. A freshly cleaved 365 μm laser fiber was used for all trials, with half of the fibers also undergoing stripping. Power output was measured at one-minute intervals, beginning with an initial pre-lithotripsy recording at zero minutes...
May 18, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28443721/evaluation-of-surgical-outcomes-with-photoselective-greenlight-xps-laser-vaporization-of-the-prostate-in-high-medical-risk-men-with-benign-prostatic-enlargement-a-multicenter-study
#3
Emad Rajih, Come Tholomier, Pierre-Alain Hueber, Abdullah M Alenizi, Roger Valdivieso, Mounsif Azizi, Ricardo R Gonzalez, Gregg Eure, Lewis Kriteman, Mahmood Hai, Kevin C Zorn
OBJECTIVE: To evaluate the safety and short-term outcomes of photoselective vaporization of the prostate (PVP) using GreenLight XPS™ in treatment of high medical risk (HMR) men. METHODS: A multicenter retrospective analysis of 941 men who underwent PVP between August 2010 and August 2014 was performed. Patients were considered HMR if they had an American Society of Anesthesiologists physical status score ≥3. Postoperative adverse events, unexpected postoperative medical provider visits after intervention, and functional urinary outcomes were examined...
May 16, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28486848/matched-comparison-between-partial-nephrectomy-and-radical-nephrectomy-for-t2n0m0-tumors-a-study-based-on-the-national-cancer-database
#4
Cheuk Fan Shum, Clinton D Bahler, Chandru P Sundaram
OBJECTIVES: To compare overall survival and immediate post-operative outcomes between partial and radical nephrectomy for T2N0M0 tumors, and to identify significant factors for poor overall survival. PATIENTS AND METHODS: Using the National Cancer Database, we identified patients with T2N0M0 renal cancer between 2004 and 2009 who were treated with partial or radical nephrectomy. The partial and radical nephrectomy groups were statistically matched by demographics and tumor characteristics...
May 9, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28393623/clinical-comparison-of-conventional-and-mobile-endockscope-videocystoscopy-using-an-air-or-fluid-medium
#5
Rahul Dutta, Renai Yoon, Roshan M Patel, Kyle Spradling, Zhamshid Okhunov, William Sohn, Hak J Lee, Jaime Landman, Ralph V Clayman
OBJECTIVE: To compare conventional videocystoscopy (CVC) with a novel and affordable (approximately $45) mobile cystoscopy system, the Endockscope (ES). We evaluated the ES system using both fluid (Endockscope-Fluid [ES-F]) and air (Endockscope-Air [ES-A]) to fill the bladder in an effort to expand the global range of flexible cystoscopy. METHODS: The ES system comprised a portable 1000 lumen LED self-contained cordless light source and a three-dimensional printed adaptor that connects a mobile phone to a flexible fiber-optic cystoscope...
May 8, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28385037/new-for-old-coagulum-lithotomy-vs-a-novel-bioadhesive-for-complete-removal-of-stone-fragments-in-a-comparative-study-in-an-ex-vivo-porcine-model
#6
Dominik Stefan Schoeb, Martin Schoenthaler, Daniel Schlager, Ralf Petzold, Katharina Richter, Ingo Grunwald, Ulrich Wetterauer, Arkadiusz Miernik, Simon Hein
OBJECTIVES: To evaluate a recently reported new bioadhesive system for the retrieval of small residual fragments (RFs) after intracorporeal lithotripsy, we systematically compared this system with coagulum lithotomy in retrograde intrarenal surgery. MATERIALS AND METHODS: We extracted 30 human stone fragments (≤1 mm) in an ex vivo porcine kidney model using a flexible ureteroscope for three groups: (1) the novel bioadhesive, (2) autologous blood as a natural adhesive, and (3) (control group) a conventional retrieval basket...
May 8, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28385032/the-transparency-of-irrigation-fluids-used-in-endoscopic-surgery
#7
Ilan Gielchinsky, Dov Pode, Mordechai Duvdevani, Vladimir Yutkin, Ezekiel H Landau, Guy Hidas, Ofer N Gofrit
PURPOSE: Transurethral surgery has been traditionally done using the nonelectrolyte, isotonic 1.5% glycine solution as irrigation fluid. The emergence of modern technologies, which can be applied with electrolyte solutions, such as bipolar resection and LASER evaporation, as well as the worry of transurethral resection (TUR) syndrome have driven urologists away from glycine toward the use of physiologic solution. Differences in the transparencies of these fluids have not been studied...
May 8, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28478744/which-flexible-ureteroscopes-digital-vs-fiber-optic-can-easily-reach-the-difficult-lower-pole-calyces-and-have-better-end-tip-deflection-in-vitro-study-on-k-box-a-petra-evaluation
#8
Laurian Dragos, Bhaskar K Somani, Tarik Emre Sener, Salvatore Butticè, Silvia Proietti, Achilles Ploumidis, Catalin Iacoboaie, Steeve Doizi, Olivier Traxer
Background & purpose Modern flexible ureteroscopes (fURSs) have good deflection, but despite this, approaching an acute angled calyx can still be difficult. The goals of our in-vitro study were to assess the ability of the available modern fURSs to successfully access the sharp angled calyces and to compare the end-tip deflection of the various fiber-optic and digital fURSs. Materials & Methods Using a bench-training model for FURS (K-Box, Porgès-Coloplast), we tried to access an acute angled calyx with 9 different fURSs (BOA vision, COBRA vision, R...
May 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28478732/magnetic-ureteral-stent-removal-without-cystoscopy-a-randomised-controlled-trial
#9
Marie-Claire Charlotte Rassweiler, Maurice Stephan-Michel, Manuel Ritter, Patrick Honeck
Ureteral stenting is a common procedure in urology. The cystoscopic removal of ureteral stents (DJ) causes unpleasant side effects with a negative impact on patient's quality of life. The aim of our study was to evaluate this newly developed magnetic DJ and compare it to a standard DJ regarding quality of life with indwelling DJs as well as discomfort during the removal. MATERIAL AND METHODS: The magnetic DJ (Blackstar, Urotech (Achenmühle, Germany)) is a standard 7 french ureteral stent with a small magnetic cube fixed via a string on the loop of the distal part of the stent...
May 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28478724/role-of-minimally-invasive-pcnl-techniques-micro-and-ultra-mini-pcnl-15fr-in-the-paediatric-population-a-systematic-review
#10
Patrick Jones, Grace Bennett, Omar M Aboumarzouk, Stephen Griffin, Bhaskar K Somani
Introduction Management of paediatric stone disease is challenging, with standard PCNL having a good stone free rate (SFR) but with associated high complication rates. Miniaturisation of this technique has led to the rise of minimally invasive PCNL techniques such as micro (<10Fr) and ultra-mini (<15Fr) PCNL procedures. Our objective was to perform a systematic review of the literature in order to evaluate the success and complication rates of minimally invasive PCNL techniques in the paediatric age group (<18 years)...
May 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28474533/ct-texture-analysis-of-ex-vivo-renal-stones-predicts-ease-of-fragmentation-with-shockwave-lithotripsy
#11
Helen Wei Cui, Wout Devlies, Samuel Ravenscroft, Hendrik Heers, Andrew Freidin, Robin Cleveland, Balaji Ganeshan, Ben W Turney
Introduction Understanding the factors affecting success of shock wave lithotripsy (SWL) would improve informed decision-making on the most appropriate treatment modality for an individual patient. Although stone size and skin-to-stone distance do correlate with fragmentation efficacy, it has been shown that stone composition and architecture, as reflected by structural heterogeneity on CT, are also important factors. This study aims to determine if CT Texture Analysis (CTTA)-a novel, non-destructive, and objective tool that generates statistical metrics reflecting stone heterogeneity-could have utility in predicting likelihood of SWL success...
May 5, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28376688/predictors-of-improvement-in-storage-symptoms-at-three-years-after-120w-greenlight-high-performance-system-laser-treatment-for-benign-prostate-hyperplasia
#12
Won Hoon Song, Juhyun Park, Sung Yong Cho, Min Chul Cho, Hyeon Jeong, Hwancheol Son
PURPOSE: This study was conducted to investigate the indicators of recovery in storage symptoms after GreenLight High Performance System photoselective vaporization of the prostate (HPS-PVP) in men with benign prostate hyperplasia. METHODS: A total of 155 men with a baseline subtotal storage symptom score of international prostate symptom score (sIPSS) greater than or equal to six, who underwent HPS-PVP and were followed up on for as much as 3 years, were included in this retrospective study...
May 5, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28467731/correlation-of-bladder-histopathological-changes-due-to-double-j-stenting-to-the-period-of-stenting-a-preliminary-study
#13
Hamdy Aboutaleb, Maher Gawish
OBJECTIVES: To study the histopathological changes in the urinary bladder associated with double J (DJ) stenting and the correlation between these changes and the period of stenting. METHODS: In a two-year period, a retrospective study was carried out on 30 patients indicated for DJ stenting. These patients underwent cold-cup cystoscopic biopsies from ipsilateral ureteric orifice at the time of removal DJ stents. RESULTS: The mean age of the 30 patients included in our study was 43...
May 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28467725/feasibility-morbidity-and-functional-results-of-supratrigonal-cystectomy-with-augmentation-ileocystoplasty-by-combined-robotic-assisted-laparoscopy-and-mini-laparotomy-approach
#14
François-Xavier Madec, Oussama Hedhli, Marie-Aimée Perrouin-Verbe, Amelie Levesque, Loic LE Normand, Jérôme Rigaud
OBJECTIVES: Evaluation of the feasibility, morbidity, learning curve and functional results of robotic supratrigonal cystectomy with augmentation ileocystoplasty (RSCAI). MATERIAL AND METHOD: RSCAI was performed in 19 patients between 2012 and 2016. Thirteen patients (66.4%) presented refractory detrusor overactivity (DO) or impaired compliance and 6 patients (31.6%) had painful bladder syndrome. A combined robotic-assisted laparoscopy and mini-laparotomy approach was performed...
May 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28467724/a-novel-decision-aid-to-support-informed-decision-making-process-in-patients-with-a-symptomatic-non-lower-pole-renal-stone-20-mm-in-diameter
#15
Mehmet Ilker Gökce, Barış Esen, Adem Sancı, Çağrı Akpınar, Evren Süer, Ömer Gülpınar
Introduction Stone disease is an important health problem and patients have different treatment choices. Shared decision making is recommended for deciding the treatment type but patient education is necessary. Decision aids (DAs) are used for this aim and herein we developed a novel DA for patients with symptomatic non-lower pole renal stones <20 mm in diameter. Materials and methods The DA development process was established based on the recommended guides. General characteristics of the stone disease and details of the shock wave lithotripsy and retrograde intrarenal surgery were included in the content of the DA...
May 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28462670/transurethral-enucleation-with-bipolar-tueb-for-benign-prostatic-hyperplasia-two-year-outcomes-and-the-learning-curve-of-a-single-surgeon-s-experience-of-603-consecutive-patients
#16
Yosuke Hirasawa, Yuji Kato, Kiichiro Fujita
BACKGROUND: To investigate perioperative outcomes, the learning curve, and 2-year follow-up after transurethral enucleation with bipolar (TUEB) for patients with benign prostate hyperplasia (BPH). METHODS: From December 2011 to October 2016, 603 consecutive patients underwent TUEB for BPH, performed by a single surgeon. Patients were preoperatively assessed using the International Prostate Symptom Score (IPSS), quality of life score (QOLs), serum prostate specific antigen (PSA), and uroflowmetry evaluation...
May 2, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28462605/editorial-comment-on-end-2016-0830-or-r1
#17
Joseph L Chin
"Focal therapy/Partial Ablation" for prostate cancer now garners significant attention and controversy. Critics and skeptics point to the known multifocality nature of prostate cancer, countered by proponents of focal therapy with the "dominant index lesion versus secondary lesions" theory. Tay et al. used the C.O.L.D. Registry to retrospectively assess oncologic and functional outcomes of partial cryoablation, comparing with a propensity score-matched group who had whole gland ablation. It should be emphasized that the authors selected for partial ablation only patients with low volume, intermediate risk disease...
May 2, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28462594/holmium-yag-photocoagulation-a-safe-and-economical-alternative-to-transurethral-resection-in-small-non-muscle-invasive-bladder-tumours
#18
Jorge Planelles Gómez, Laura Olmos Sánchez, Juanjo Cardosa Benet, Elías Martínez López, Juan Francisco Vidal Moreno
OBJECTIVE: To analyse our experience in the treatment of recurrences of bladder tumour using Holmium-YAG laser (Ho:YAG), assessing recurrence rates, tumour progression, degree of safety and patient satisfaction, as well as the economic repercussions of the technique. METHODS: The study included 109 patients between February 2013 and February 2016 who had a superficial recurrence of bladder tumour. Patients were treated by Ho-YAG laser photocoagulation on an outpatient basis and under local anaesthetic...
May 2, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28462592/c-reactive-protein-and-erythrocyte-sedimentation-rate-predicts-sirs-after-percutaneous-nephrolithotomy
#19
Vishnu Ganesan, Robert Brown, Juan Jimenez, Shubha De, Manoj Monga
OBJECTIVE: To test the hypothesis that high levels of pre-operative C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) are associated with an increased risk of systemic inflammatory response syndrome (SIRS) following percutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS: Retrospective study of patients who underwent PCNL at our institution between October 2012 and October 2013 when ESR and CRP levels were part of our standard pre-operative order set...
May 2, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28338351/worldwide-impact-of-warmer-seasons-on-the-incidence-of-renal-colic-and-kidney-stone-disease-evidence-from-a-systematic-review-of-literature
#20
Robert M Geraghty, Silvia Proietti, Olivier Traxer, Matthew Archer, Bhaskar K Somani
INTRODUCTION: Several studies have examined the link between temperature or monthly seasonal variations and urolithiasis. The majority of these studies have demonstrated a link between higher ambient monthly temperatures and the incidence of renal colic and kidney stone disease (KSD). However, a worldwide trend on this association has not been explored and we perform a systematic review to examine the effect of seasonal variations on renal colic and KSD. MATERIALS AND METHODS: A systematic review of the literature for a 26-year period (1990-2017) was conducted on all studies reporting on the effect of seasonal variations and its link to KSD...
May 1, 2017: Journal of Endourology
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