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https://www.readbyqxmd.com/read/29648701/chronological-changes-in-the-epidemiological-characteristics-of-upper-urinary-tract-urolithiasis-in-japan
#1
Shinichi Sakamoto, Katsuhito Miyazawa, Takahiro Yasui, Taro Iguchi, Misuzu Fujita, Hiroaki Nishimatsu, Takuro Masaki, Toru Hasegawa, Hatsuki Hibi, Takashi Arakawa, Ryosuke Ando, Yoshinari Kato, Noritaka Ishito, Satoshi Yamaguchi, Ryoji Takazawa, Masao Tsujihata, Tadashi Matsuda, Koichiro Akakura, Akira Hata, Tomohiko Ichikawa
OBJECTIVES: To assess epidemiological and chronological trends of upper urinary tract stones in Japan in 2015. METHODS: Patients with a first episode of upper urinary tract stones in 2015 were enrolled in this nationwide survey. The study included all hospitals approved by the Japanese Board of Urology, therefore covering most of the hospitals where urologists practice in Japan. The annual incidence and composition of urolithiasis were evaluated by age and sex. These results were compared with the previous results of the nationwide surveys from 1965 to 2005 to analyze temporal trends...
April 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29642354/re-impact-of-diagnostic-ureteroscopy-on-intravesical-recurrence-in-patients-undergoing-radical-nephroureterectomy-for-upper-tract-urothelial-cancer-a-systematic-review-and-meta-analysis
#2
https://www.readbyqxmd.com/read/29625137/sensitivity-of-non-contrast-computed-tomography-for-small-renal-calculi-with-endoscopy-as-the-gold-standard
#3
Naeem Bhojani, Jessica E Paonessa, Marawan M El Tayeb, James C Williams, Tariq A Hameed, James E Lingeman
OBJECTIVES: To compare the sensitivity of non-contrast CT to endoscopy for detection of renal calculi. Imaging modalities for detection of nephrolithiasis have centered on abdominal x-ray (KUB), ultrasound (US), and non-contrast computed tomography (CT). Sensitivities of 58-62% (KUB), 45% (US), and 95-100% (CT) have been previously reported. However, these results have never been correlated with endoscopic findings. METHODS: Idiopathic calcium oxalate stone formers with symptomatic calculi requiring ureteroscopy (URS) were studied...
April 3, 2018: Urology
https://www.readbyqxmd.com/read/29614503/challenges-of-retrograde-ureteroscopy-in-patients-with-urinary-diversion-outcomes-and-lessons-learnt-from-a-systematic-review-of-literature
#4
Meghana N Ramachandra, Bhaskar K Somani
INTRODUCTION: Retrograde ureteroscopy (URS) can be safely and successfully performed in patients who have had previous urinary diversion (UD). With broadening indications and advances in technology, URS can be used in complex cases. In this review article, we have summarized the relevant published literature regarding the outcomes and challenges encountered during retrograde URS in patients with UD. MATERIALS AND METHODS: We conducted a systematic review of literature according to Cochrane and preferred reporting items for systematic reviews and meta-analysis guidelines for all studies reporting on retrograde URS from inception to September 2017...
April 3, 2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29603760/comparison-of-flexible-ureteroscopy-damage-rates-for-lower-pole-renal-stones-by-laser-fiber-type
#5
Connor M Forbes, Karla A Rebullar, Joel M H Teichman
OBJECTIVES: Laser lithotripsy, often used during ureteronephroscopy (URNS), requires the Ho:YAG optical fiber transmit energy via total internal reflection (TIR). In critical lower pole deflections, energy may refract into the cladding causing fiber failure and scope damage. New optical fiber technology aims to have increased tolerance for high degrees of flexion. We compared two brands of laser fibers with sub-300 micron cores (Innova Quartz, Boston Flexiva) to determine failure rates and scope repair costs...
March 31, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29601836/unplanned-emergency-department-visits-and-hospital-admissions-following-ureteroscopy-do-ureteral-stents-make-a-difference
#6
Harsha R Mittakanti, Simon L Conti, Alan C Pao, Glenn M Chertow, Joseph C Liao, John T Leppert, Christopher S Elliott
OBJECTIVE: The comparative effectiveness of ureteral stents placed during ureteroscopy for urinary stone disease is widely debated. We sought to evaluate unplanned medical visits within the early post-operative period after ureteroscopy in patients with and without ureteral stent placement. MATERIALS AND METHODS: We identified all ureteroscopic procedures for urinary stone disease in the California Office of Statewide Health Planning and Development (OSHPD) database from 2010-2012...
March 27, 2018: Urology
https://www.readbyqxmd.com/read/29600333/predictors-of-surgical-intervention-following-initial-surveillance-for-acute-ureteric-colic
#7
Mohit Bajaj, Lance Yuan, Lauren C Holmes, Michael Rice, Kamran Zargar-Shoshtari
PURPOSE: To identify clinical and stone-related factors predicting the need for surgical intervention in patients who were clinically considered appropriate for non-surgical intervention. PATIENTS AND METHODS: We conducted a retrospective review of a contemporary cohort of patients who were selected for surveillance following presentation with acute ureteric colic. Data on patient demographic and stone variables, inpatient management and long-term outcomes were evaluated...
March 29, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29598155/two-are-no-different-than-one-ureteral-duplication-appears-to-have-no-effect-on-ureteroscopy-outcomes
#8
Nathan Chertack, Rajat Jain, Manoj Monga, Mark Noble, Sri Sivalingam
Introduction Ureteral duplication is the most common ureteral anomaly, occurring in 0.6-0.7% of the population. Our objective was to compare urolithiasis treatment outcomes in patients with and without ureteral duplication. Methods Patients with ureteral duplication who underwent ureteroscopy (URS) were identified in a stone registry at a high volume, tertiary care center from 1998 to 2015. Preoperative, intraoperative, and postoperative data were collected retrospectively. A 1:1 control cohort of patients without duplication was identified, matched by stone location and size, as well as age, BMI and gender...
March 29, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29593469/pilot-study-to-determine-optimal-stent-duration-following-ureteroscopy-three-versus-seven-days
#9
Charles J Paul, Nathan A Brooks, George M Ghareeb, Chad R Tracy
Background/Aims: Many providers elect to place a stent following ureteroscopy for nephrolithiasis, but little data exists on the optimal duration to leave a stent. We sought to determine whether there are any differences in post-operative outcomes for patients with a 3 versus 7-day stent following ureteroscopy. Methods: We retrospectively reviewed 247 patients who underwent unilateral ureteroscopy with lithotripsy, 79 of whom removed a stent with an extraction string at 3 or 7 days post-operatively...
February 2018: Current Urology
https://www.readbyqxmd.com/read/29580730/risk-factors-for-repeat-surgical-intervention-in-pediatric-nephrolithiasis-a-pediatric-health-information-system-database-study
#10
Jonathan S Ellison, Margarett Shnorhavorian, Assaf Oron, Kathleen Kieran, Thomas S Lendvay, Paul A Merguerian
INTRODUCTION: Successful surgical therapy for pediatric upper urinary tract calculi (UUTC) minimizes the need for repeat surgical interventions. However, staged procedures, whether planned or unplanned, are sometimes necessary. We assessed predictors of repeat intervention for children with UUTC using a nationwide administrative dataset. METHODS: Using the Pediatric Health Information System (PHIS) dataset, we assessed children with UUTC undergoing shock wave lithotripsy (SWL) or ureteroscopy (URS) for an index stone from January 2010 to June 2015...
March 16, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29558092/lower-pole-renal-stone-flexible-ureteroscopy-or-shockwave-lithotripsy-the-anatomy-is-the-key
#11
EDITORIAL
Luciano A Favorito
No abstract text is available yet for this article.
March 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29550897/asymptomatic-renal-stones-to-treat-or-not-to-treat
#12
REVIEW
Necole M Streeper
PURPOSE OF REVIEW: There are no current guidelines on the optimal management of asymptomatic renal stones. This review summarizes the current literature, focusing on more recent studies that have been done to grow the body of evidence on this topic. RECENT FINDINGS: Recent studies have found that stone size is a significant predictor of need for future surgical intervention, with > 7 mm for pediatric population and > 4 mm for residual fragments after both PNL and ureteroscopy (URS)...
March 17, 2018: Current Urology Reports
https://www.readbyqxmd.com/read/29550077/the-european-urology-residents-education-programme-hands-on-training-format-4-years-of-hands-on-training-improvements-from-the-european-school-of-urology
#13
Bhaskar K Somani, Ben Van Cleynenbreugel, Ali Gozen, Jaun Palou, Sas Barmoshe, Shekhar Biyani, Josep M Gaya, Giles Hellawell, Gio Pini, Faba R Oscar, Rafael Sanchez Salas, Petr Macek, Andreas Skolarikos, Christian Wagner, Viktor Eret, Stephen Haensel, Giampaolo Siena, Marek Schmidt, Max Klitsch, Stepan Vesely, Achilles Ploumidis, Silvia Proietti, Guido Kamphuis, Theodore Tokas, Rob Geraghty, Dominico Veneziano
BACKGROUND: The European School of Urology (ESU) started the European Urology Residents Education Programme (EUREP) in 2003 for final year urology residents, with hands-on training (HOT) added later in 2007. OBJECTIVE: To assess the geographical reach of EUREP, trainee demographics, and individual quality feedback in relation to annual methodology improvements in HOT. DESIGN, SETTING, AND PARTICIPANTS: From September 2014 to October 2017 (four EUREP courses) several new features have been applied to the HOT format of the EUREP course: 1:1 training sessions (2015), fixed 60-min time slots (2016), and standardised teaching methodology (2017)...
March 14, 2018: European Urology Focus
https://www.readbyqxmd.com/read/29546508/intraoperative-utilization-of-advanced-imaging-modalities-in-a-complex-kidney-stone-case-a-pilot-case-study
#14
Andrew R Christiansen, Rami M Shorti, Cory D Smith, William C Prows, Jay T Bishoff
PURPOSE: Despite the increasing use of advanced 3D imaging techniques and 3D printing, these techniques have not yet been comprehensively compared in a surgical setting. The purpose of this study is to explore the effectiveness of five different advanced imaging modalities during a complex renal surgical procedure. METHODS: A patient with a horseshoe kidney and multiple large, symptomatic stones that had failed Extracorporeal Shock Wave Lithotripsy (ESWL) and ureteroscopy treatment was used for this evaluation...
March 15, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29545043/outcomes-of-ureteroscopic-stone-treatment-in-spinal-cord-injury-patients
#15
Duncan R Morhardt, Miriam Hadj-Moussa, He Chang, J Stuart Wolf, William W Roberts, John T Stoffel, Gary J Faerber, Anne P Cameron
OBJECTIVE: To evaluate the association of clinical factors on outcomes in SCI patients undergoing ureteroscopy. Immobility, recurrent urinary tract infection, and lower urinary tract dysfunction contribute to renal stone formation in spinal cord injury (SCI) patients. Ureteroscopy is a commonly utilized treatment modality, however, surgical complication rates and outcomes have been poorly defined. Evidence guiding safe and effective treatment of stones in this cohort remains scarce. METHODS: Records were retrospectively reviewed for SCI patients who underwent ureteroscopy for kidney stones from 1996-2014 at a single institution...
March 12, 2018: Urology
https://www.readbyqxmd.com/read/29541591/backtable-ureteroscopy-for-retrieval-of-retained-stent-or-stone-a-novel-technique-in-renal-autotransplant
#16
Josh Bleicher, Robin D Kim, Blake Hamilton, Glen Lau, Jeffrey Campsen
No abstract text is available yet for this article.
March 2018: Urology Case Reports
https://www.readbyqxmd.com/read/29539904/re-a-single-dose-of-intraoperative-antibiotics-is-sufficient-to-prevent-urinary-tract-infection-during-ureteroscopy
#17
Edward M Schaeffer
No abstract text is available yet for this article.
May 2017: Journal of Urology
https://www.readbyqxmd.com/read/29536158/comparative-study-of-the-treatment-of-20-30-mm-renal-stones-with-miniaturized-percutaneous-nephrolithotomy-and-flexible-ureterorenoscopy-in-obese-patients
#18
He-Qun Chen, Zhi-Yong Chen, Feng Zeng, Yang Li, Zhong-Qing Yang, Cheng He, Yao He
PURPOSE: To evaluate and compare flexible ureteroscopy (f-URS) and mini-percutaneous nephrolithotomy (mPNL) for 20-30 mm renal stones in obese patients regarding efficacy and safety. METHODS: Between May 2011 and June 2017, 254 obese patients who had 20-30 mm kidney stone were consecutively included in the study; 106 patients underwent mPNL and 148 underwent f-URS by the same surgeon. The following parameters were retrospectively assessed: patient and stone characteristics, surgical details, perioperative outcomes, and stone-free rates (SFR)...
March 13, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29534873/durability-of-flexible-ureteroscopes-a-prospective-evaluation-of-longevity-the-factors-that-affect-it-and-damage-mechanisms
#19
Jaap D Legemate, Guido M Kamphuis, Jan Erik Freund, Joyce Baard, Stefano P Zanetti, Michele Catellani, Harry W Oussoren, Jean J de la Rosette
BACKGROUND: Flexible ureteroscopy is an established treatment modality for evaluating and treating abnormalities in the upper urinary tract. Reusable ureteroscope (USC) durability is a significant concern. OBJECTIVE: To evaluate the durability of the latest generation of digital and fiber optic reusable flexible USCs and the factors affecting it. DESIGN, SETTING, PARTICIPANTS: Six new flexible USCs from Olympus and Karl Storz were included...
March 10, 2018: European Urology Focus
https://www.readbyqxmd.com/read/29534418/-application-of-narrow-band-imaging-flexible-ureteroscopy-in-the-diagnosis-treatment-and-follow-up-of-upper-tract-urothelial-carcinomas
#20
Y C Hao, C L Xiao, K Liu, Y Q Liu, L L Ma
Objective: To investigate application value of narrow-band imaging (NBI) flexible ureteroscopy in the diagnosis, treatment and follow-up of upper urinary tract transitional carcinomas (UTUC). Methods: From June 2015 to June 2017, 16 patients of UTUC were treated by flexible ureteroscopy with white light (WLI) and NBI at Department of Urology, Peking University Third Hospital , including 10 females and 6 males. The age of patients ranged from 43 to 84 years (average 68.9 years). There were 54 cases, including 16 cases with first-suspicion of cancer, and 38 cases with known of UTUC as follow-up...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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