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https://www.readbyqxmd.com/read/28322594/development-of-endoscopic-diagnosis-and-treatment-for-chronic-unilateral-hematuria-35-years-experience
#1
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/28321499/characteristics-and-outcomes-of-ureteroscopic-treatment-in-2650-patients-with-impacted-ureteral-stones
#2
Jaap D Legemate, Nienke J Wijnstok, Tadashi Matsuda, Willem Strijbos, Tibet Erdogru, Beat Roth, Hidefumi Kinoshita, Judith Palacios-Ramos, Roberto M Scarpa, Jean J de la Rosette
PURPOSE: To describe stone-free rates and complications of ureteroscopic treatment for impacted compared with non-impacted ureteral stones and evaluate predictive variables for impaction. METHODS: The Clinical Research Office of the Endourological Society prospectively collected 1 consecutive year of data from 114 centers worldwide. Patients eligible for inclusion were patients treated with ureteroscopy for ureteral stones. Patient characteristics, treatment details, and outcomes were compared with regard to stone impaction...
March 20, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28319324/future-of-robotic-surgery-in-urology
#3
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/28318298/factors-associated-with-compliance-to-increased-fluid-intake-and-urine-volume-following-dietary-counseling-in-first-time-kidney-stone-patients
#4
Aziz Khambati, Richard S Matulewicz, Kent T Perry, Robert B Nadler
OBJECTIVE: Increasing fluid intake to achieve a urine volume (UV) of >2.5 L/day decreases stone events. We assessed compliance rates and demographic and clinical variables associated with increased fluid intake and UV in patients with urolithiasis following dietary counseling. MATERIALS AND METHODS: In a retrospective study, patients with a low baseline UV (<2.5 L/day) on an initial 24-hour urine collection during metabolic stone evaluation were identified between 2010 and 2015...
March 20, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28306331/intraoperative-radiographic-determination-of-ureteral-length-as-a-method-of-determining-ideal-stent-length
#5
Keith Barrett, Daniela Ghiculete, Robert J Sowerby, Monica Farcas, Kenneth T Pace, Richardson John D'Arcy Honey
INTRODUCTION: Accurate determination of ureteral length (UL) and appropriate stent length remains a challenge. The objective of this study was to describe an intraoperative technique to measure UL and determine appropriate stent length, and to compare this technique with other methods of determining appropriate stent length. METHODS: Patients undergoing ureteroscopy requiring postoperative stenting and who had a preoperative CT were prospectively identified. Gender, age, height, body mass index, L1 to L5 lumbar height on CT, and surgeon's estimate of UL were recorded...
March 17, 2017: Journal of Endourology
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/28301430/etiopathogenesis-of-nephrolithiasis-in-ulcerative-colitis-patients-with-the-ileal-pouch-anal-anastomosis
#7
Zubin Arora, Saurabh Mukewar, Rocio Lopez, Debra Camino, Bo Shen, Phillip Hall
BACKGROUND: Our previous study showed that nephrolithiasis is a common complication in ulcerative colitis patients after ileal pouch anal anastomosis (IPAA). However, the pathogenesis of nephrolithiasis in IPAA patients has not been studied. The aim of this study was to compare urine and serum metabolic compositions in IPAA patients with nephrolithiasis and controls with IPAA and no nephrolithiasis. METHODS: Using cross-sectional study design, serum and 24-hour urine metabolic compositions were compared between IPAA patients with nephrolithiasis (the study group) and those without (the control group)...
March 15, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28299446/do-renal-stones-that-fail-lithotripsy-require-treatment
#8
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/28295683/editorial-comment-to-two-year-old-girl-with-impacted-ureteral-stone-successfully-treated-with-a-single-session-of-combined-percutaneous-nephrostomy-and-ureteroscopy
#9
Ahmed S Safwat
No abstract text is available yet for this article.
March 14, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28295676/two-year-old-girl-with-impacted-ureteral-stone-successfully-treated-with-a-single-session-of-combined-percutaneous-nephrostomy-and-ureteroscopy
#10
Teruaki Sugino, Shuzo Hamamoto, Rei Unno, Yoshinobu Moritoki, Takashi Hamakawa, Taku Naiki, Ryosuke Ando, Atsushi Okada, Takahiro Yasui
Impacted stones frequently cause changes in the ureter, including edema of the ureteral wall, stone embedding in the ureteral mucosa or ureteral bending, which often preclude spontaneous passing of the stone and increase the risk of complications during surgery. When stone impaction is suspected preoperatively, management should be adapted accordingly. However, surgical treatment strategies remain controversial in pediatric patients because of the scarcity of cases reported. We describe the case of a 2-year-old girl with a right impacted ureteral stone who presented with gross hematuria and pyuria, but no metabolic risk factors or hematological abnormalities...
March 14, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28292209/risks-and-benefits-of-postoperative-double-j-stent-placement-after-ureteroscopy-urs-results-from-the-clinical-research-office-of-endourological-society-urs-global-study
#11
Ahmet Yaser Muslumanoglu, Sven Fuglsig, Antonio Frattini, Gaston Labate, Robert B Nadler, Alexey Martov, Carson Wong, Jean J M C H de la Rosette
PURPOSE: Double-J stent placement following stone removal by URS is common and recommended in many cases but debatable in others. In this study the risks and benefits of postoperative double-J stent placement in URS stone treatment procedures undertaken in current clinical practice, are examined. MATERIALS AND METHODS: The CROES URS is a prospective, observational, international, multicentre study in which patients who were candidates for URS as primary treatment or after failure of prior treatment for ureteral stones and renal stones...
March 14, 2017: Journal of Endourology
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
#12
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
#13
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/28271355/to-dust-or-not-to-dust-a-systematic-review-of-ureteroscopic-laser-lithotripsy-techniques
#14
REVIEW
Javier E Santiago, Adam B Hollander, Samit D Soni, Richard E Link, Wesley A Mayer
PURPOSE OF REVIEW: This review discusses factors affecting outcomes during ureteroscopy (URS) with laser lithotripsy (LL), explores specific clinical challenges to the efficacy of URS LL, and reviews the available literature comparing the dusting and basketing approaches to URS LL. RECENT FINDINGS: Data show high stone-free rates with URS LL in all locations of the urinary tract and with all stone types and sizes. Recent data comparing LL with dusting versus basketing suggest higher rates of residual fragments with dusting but less utilization of ureteral access sheaths and potentially shorter operative times...
April 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28271274/split-bolus-ct-urogram-is-less-more
#15
Hiram Shaish, Jeffrey H Newhouse
PURPOSE: To determine the accuracy of split-bolus CT urogram (SB-CTU) without special maneuvers for ureteral distention in diagnosing upper urinary tract urothelial carcinoma (UCA). MATERIALS AND METHODS: A hospital database was searched from 1/1/10, to 9/1/15, for SB-CTU exams without special maneuvers for ureteral distention. Accuracy of SB-CTU for detecting upper and lower urinary tract UCA was computed by comparing the prospective radiology report with cystoscopy, ureteroscopy, and/or urologic clinical follow-up...
March 7, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28265593/retained-digital-flexible-ureteroscopes
#16
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/28264591/lubriglide%C3%A2-sequential-ureteral-dilators-a-safe-and-effective-method-of-ureteral-dilation
#17
Christopher Ryan Mitchell, Joseph M Kuebker, Benjamin McCormick, S Duke Herrell, Nicole L Miller
INTRODUCTION: During ureteroscopy, ureteral dilation may be required to increase the likelihood of accessing the ureter to complete the procedure. Thus, we sought to assess the safety and efficacy of using Lubriglide sequential ureteral dilators® (Boston Scientific) to promote primary ureteroscopy, without need for prestenting. PATIENTS AND METHODS: Retrospective review was performed of a consecutive series of patients undergoing primary ureteroscopy by a single surgeon (NLM) from 2011 to 2013...
March 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28263126/fluorescence-in-situ-hybridization-fish-in-the-diagnosis-of-bladder-and-upper-tract-urothelial-carcinoma-the-largest-single-institution-experience-to-date
#18
Leonard G Gomella, Mark J Mann, Ryan C Cleary, Scott G Hubosky, Demetrius H Bagley, Adeep B Thumar, Peter A McCue, Costas D Lallas, Edouard J Trabulsi
INTRODUCTION: We evaluated the UroVysion (Abbott Molecular, IL, USA) fluorescence in situ hybridization (FISH) assay for the diagnosis of urothelial cancer in patients diagnosed with or suspected to have bladder, upper tract urothelial carcinoma (UTUC), and combined upper and lower tract urothelial carcinoma (BC). MATERIALS AND METHODS: A single institution retrospective analysis comparing sensitivity, specificity, positive predictive value, and negative predictive values for FISH and urinary cytology...
February 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28255156/ex-vivo-removal-of-stones-in-donor-kidneys-by-flexible-ureteroscopy-prior-to-renal-transplantation-a-case-report
#19
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/28251485/endoscopic-treatment-of-upper-tract-urothelial-carcinoma
#20
REVIEW
Daniel P Verges, Costas D Lallas, Scott G Hubosky, Demetrius H Bagley
PURPOSE OF REVIEW: This study aims to make the reader be aware of recent trends regarding the endoscopic management of upper tract urothelial carcinoma (UTUC) via review of the urologic literature over the past 5 years. Given the rare incidence of this disease, and the lack of level 1 evidence, systematic reviews and meta-analyses were also evaluated. Studies of importance are also considered and outlined in the annotated reference section. RECENT FINDINGS: The PubMed database was queried using the following medical subject headings (MeSH terms): "carcinoma, transitional cell," "ureter," "ureteral neoplasms," "kidney pelvis," "endoscopy," "laser therapy," "ureteroscopy," "urologic surgical procedures," and "ureteroscopes...
April 2017: Current Urology Reports
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