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https://www.readbyqxmd.com/read/28443570/management-of-forgotten-ureteral-stents-relationship-between-indwelling-time-and-required-treatment-approaches
#1
Hacı Polat, Mehmet Özgür Yücel, Mehmet M Utangaç, Can Benlioğlu, Alper Gök, Ali Çift, Bedreddin Kalyenci, Uğur Lök, Umut Gülaçtı
BACKGROUND: Double-J stents (DJSs) are widely used in urology practice, and removal of these stents can sometimes be forgotten. AIMS: We aimed in this study to investigate whether indwelling time of DJS can predict which treatment modality is required for removal of the stent from the body. STUDY DESIGN: A multicenter, retrospective observational study. METHODS: The data of 57 patients who were treated for forgotten ureteral stents between January 2007 and December 2014 were evaluated retrospectively...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28442384/the-optimal-settings-for-non-contact-holmium-yag-stone-fragmentation-pop-corn-technique
#2
Esteban Emiliani, Michele Talso, Sung-Yong Cho, Mohammed Baghdadi, Sadam Ghanem, Hugo Pinheiro, Olivier Traxer
PURPOSE: The purpose of this study was to evaluate the "pop-corn" technique with a wide range of holmium laser settings and fiber sizes in a systematic in-vitro assessment. MATERIALS AND METHODS: The evaluations were done with 4 artificial stones in a Vacutaner. A fixed ureteroscope was inserted through a ureteral access sheath providing constant irrigation flow and the laser was placed 1 mm from the bottom. Combinations of 0.5-1.5 Joules, 10-20 and 40Hz, and long and short pulses were tested for 2 and 4 minutes...
April 22, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28436364/upper-pole-urologist-obtained-percutaneous-renal-access-for-pcnl-is-safe-and-efficacious
#3
Amar P Patel, Don Bui, John Pattaras, Kenneth Ogan
INTRODUCTION: Interventional radiologist may be hesitant to obtain upper pole access for percutaneous nephrolithotomy (PCNL) due to a higher complication rate. Renal access gained by urologists may achieve higher stone-free rates with similar complication rates. We evaluate our institution's contemporary results of percutaneous renal access in the upper pole for nephrolithotomy by urologists, which we believe both safe and efficacious. MATERIALS AND METHODS: This retrospective chart review included all PCNL's performed by fellowship-trained endourologists from 2003 to 2014 at a single institution...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28427449/urolithiasis-analysis-in-a-multiethnic-population-at-a-tertiary-hospital-in-nairobi-kenya
#4
Francis K Wathigo, Alfred Hayombe, Daniel Maina
BACKGROUND: Urolithiasis is a global problem whose incidence is reported to be on the rise across the world. Previously, urolithiasis was reported as being rare among the indigenous African population but recent data suggest otherwise. This study reviewed the demographic and clinical characteristics of patients with urolithiasis seen at the Aga Khan University hospital Nairobi (AKUHN) as well as the chemical composition of the stones and the modalities of therapy used. METHODS: This was a retrospective study which utilized patients' clinical and laboratory records from 2013 to 2014...
April 20, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28418544/review-in-patients-with-ureteric-lithiasis-%C3%AE-blockers-increase-stone-expulsion
#5
Matthew Thompson, Terry Scott
No abstract text is available yet for this article.
April 18, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28417852/nuclear-medicine-in-pediatric-nephro-urology-an-overview
#6
REVIEW
Iosif Mendichovszky, Bernardita Troncoso Solar, Naima Smeulders, Marina Easty, Lorenzo Biassoni
In the context of ante-natally diagnosed hydronephrosis, the vast majority of children with a dilated renal pelvis do not need any surgical treatment, as the dilatation resolves spontaneously with time. Slow drainage demonstrated at Tc-99m-mercaptoacetyltriglycine (MAG3) renography does not necessarily mean obstruction. Obstruction is defined as resistance to urinary outflow with urinary stasis at the level of the pelvic-ureteric junction (PUJ) which, if left untreated, will damage the kidney. Unfortunately this definition is retrospective and not clinically helpful...
May 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28402160/ureteroscopy-assisted-laparoscopic-segmental-resection-of-ureteral-stricture-with-a-modified-flank-position-clinical-experience
#7
Sheng-Chun Hung, Kun-Yuan Chiu, Chen-Li Cheng, Yen-Chuan Ou, Hao-Chung Ho, Shian-Shiang Wang, Chuan-Shu Chen, Jian-Ri Li, Chun-Kuang Yang, Li-Wen Chang
PURPOSE: To share the surgical technique that possesses the advantage of a perioperative ureteroscope without position change, which allows for a laparoscopic segmental resection of the ureteral stricture to be performed more precisely. PATIENTS AND METHODS: Between 2006 January and 2015 December, 10 patients with a ureteral stricture received a laparoscopic segmental resection and ureteroureterostomy in our clinical institute. The etiology included stone, endometriosis, crossing vessel, and idiopathic benign ureteral polyp...
April 12, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28398101/robot-assisted-pyeloplasty-and-pyelolithotomy-in-patients-with-ureteropelvic-junction-stenosis
#8
Pernille Hammershøj Jensen, Kasper Drimer Berg, Nessn H Azawi
OBJECTIVE: Approximately one in five patients with ureteropelvic junction stenosis (UPJS) also present with renal or ureteral stones. For patients with UPJS, the European Association of Urology guidelines currently recommend that robot-assisted pyeloplasty (RAP) and pyelolithotomy are performed as two separate procedures. The aim of the present study was to evaluate the feasibility and safety of RAP with concomitant pyelolithotomy (RAP + P) in patients diagnosed with UPJS and renal stones...
April 11, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28392131/modern-flexible-ureteroscopy-in-cohen-cross-trigonal-ureteral-reimplantations
#9
Esteban Emiliani, Michele Talso, Marie Audouin, Olivier Traxer
PURPOSE: We describe a feasible flexible ureteroscopy (fURS) technique with the latest instruments to and to discuss their advantages. METHODS: Three patients underwent a fURS for stone treatment. A 7F angled orifice catheter and a hydrophilic angled tip stiff wire is used to guide the wire in the proper ureteral direction sighting the ureter allowing the use of a 10/12 ureteral access sheath. A single use ureteroscope was used. RESULTS: All of them had successful ureteral access and laser lithotripsy being stone free endoscopically...
March 24, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28388334/combined-laparoendoscopic-single-site-ureterolithotomy-and-flexible-cystoscopy-in-the-treatment-of-concurrent-large-upper-ureteral-and-renal-stones
#10
Jian Su, Qingyi Zhu, Lin Yuan, Yang Zhang, Qingling Zhang, Yunfei Wei, Luming Shen
OBJECTIVE: The aim of this study was to present the authors' experience with technical recommendations for the treatment of concurrent large upper ureteral and renal stones. METHODS: Between September 2014 and March 2016, laparoendoscopic single-site surgery (LESS) ureterolithotomy with renal stone extraction or holmium laser lithotripsy under flexible cystoscopy was performed on 15 patients who had concurrent upper ureteral and renal stones. The ureteral stone was treated with LESS ureterolithotomy...
April 7, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28385037/new-for-old-coagulum-lithotomy-versus-a-novel-bioadhesive-for-complete-removal-of-stone-fragments-in-a-comparative-study-in-an-ex-vivo-porcine-model
#11
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 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...
April 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28384011/tadalafil-facilitates-the-distal-ureteral-stone-expulsion-a-meta-analysis
#12
Yunjin Bai, Yubo Yang, Xiaoming Wang, Yin Tang, Ping Han, Jia Wang
OBJECTIVE: To assess the efficacy and safety of tadalafil in facilitating the spontaneous passage of distal ureteral stones. METHODS: The relevant studies were identified by searching MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials up to November 2016. Randomized controlled trials evaluating effects of tadalafil for distal ureteral stones were included. RESULTS: Six publications involving 921 patients were included...
April 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28379670/alternative-approach-of-a-fibroepithelial-polyp
#13
Cristiano Linck Pazeto, Willy Baccaglini, Thiago Fernandes Negris Lima, Alexandre Gomes S Simões, Sidney Glina
A 41-year-old male presented at Emergency Department (ED) with right flank pain associated with hematuria for 3 days. Patient had a previous history of nephrolithiasis. The physical examination and blood tests were normal. Urine analyses showed haematuria > 1.000.000/μL. After clinical evaluation, a computer tomography (CT) showed right ureteral dilata¬tion caused by a 5 mm proximal stone and a distal intraluminal mass of 8 cm in length. In this setting, an ureteroscopic biopsy was performed and revealed a large polypoid lesion histologically suggestive of fibroepithelial polyp...
April 6, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28370915/comparison-of-cost-of-care-for-tethered-versus-non-tethered-ureteric-stents-in-the-management-of-uncomplicated-upper-urinary-tract-stones
#14
Alfin Okullo, Yuigi Yuminaga, William Ziaziaris, David Ende, Howard Lau, Andrew Brooks, Manish I Patel, Simon Bariol
BACKGROUND: Many surgeons use a stent after ureteroscopic lithotripsy (URSL). For short-term stenting purposes, a surgeon has the choice of either a tethered or a non-tethered stent. Stents may be associated with complications that entail an additional cost to their use. There is a paucity of data on the direct healthcare cost of using stent type after either primary or secondary URSL. METHODS: We retrospectively reviewed medical records for patients who underwent URSL for uncomplicated urolithiasis between January 2013 and December 2013 at two tertiary referral hospitals...
March 30, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28365782/role-of-silodosin-as-medical-expulsive-therapy-in-ureteral-calculi-a-meta-analysis-of-randomized-controlled-trials
#15
Xin-Jian Liu, Jian-Guo Wen, You-Dong Wan, Bo-Wen Hu, Qing-Wei Wang, Yan Wang
The objective of this study is to investigate the efficacy of silodosin in medical expulsive therapy (MET) for ureteral stones. We conducted a systematic review and meta-analysis to determine the efficacy and safety of silodosin in MET for ureteral calculi. We searched PubMed, Embase, Medline, Central (the Cochrane Library, Issue 1,2013), Google Scholar from the inception to March 2015 for randomized controlled trials (RCTs), comparing silodosin with tamsulosin or control on ureteral stone passage. Eight RCTs with a total of 1145 ureteral stone patients (300 patients in the control group, 287 patients in the tamsulosin group, 558 patients in the silodosin group) were included in this meta-analysis...
April 1, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28357599/medical-expulsive-therapy-is-it-time-to-suspend-judgement
#16
Tarik Amer, Gareth Jones, Omar Aboumarzouk
Medical expulsive therapy (MET) has been a matter of debate for many years. A number of randomised controlled trials (RCTs) and meta-analyses have been conducted, but outcomes have been varied. This makes it challenging to determine the benefit of using MET as an adjunct in patients with expectantly managed ureteric stones. This article aimed to summarize both the historic and the more contemporary literature in this area by focusing on published meta-analyses and recent RCTs. Studies of interest were those comparing either an α-blocker or a calcium channel blocker with a control...
March 29, 2017: Drugs
https://www.readbyqxmd.com/read/28351191/acute-kidney-injury-after-percutaneous-nephrolithotomy-for-stones-in-solitary-kidneys
#17
Ahmed R El-Nahas, Diaa-Eldin Taha, Hussien M Ali, Ahmed M Elshal, Mohamed H Zahran, Nasr A El-Tabey, Ahmed M El-Assmy, Ahmed M Harraz, Hazem E Moawad, Mahmoud M Othman
OBJECTIVES: The aim of this study was to report the incidence, severity, outcome and risk factors of acute kidney injury (AKI) following percutaneous nephrolithotomy (PNL) in solitary kidneys. METHODS: The study included consecutive adult patients who underwent PNL for treatment of calculi in a solitary kidney between May 2012 and July 2015. Patients with congenital renal anomalies or with stages 4 and 5 chronic kidney disease (CKD) were excluded. Serum creatinine levels were measured the day before PNL, daily after PNL for 2-5 days and after 3 months...
March 29, 2017: Scandinavian Journal of Urology
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
#18
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/28340540/use-of-the-moses-technology-to-improve-holmium-laser-lithotripsy-outcomes-a-preclinical-study
#19
Mostafa M Elhilali, Shadie Badaan, Ahmed Ibrahim, Sero Andonian
OBJECTIVE: To evaluate in vitro and in vivo effects of Moses technology in Holmium laser and to compare it with the Regular mode in terms of lithotripsy efficiency and laser-tissue interactions. METHODS: The Lumenis(®) Pulse™ P120H holmium laser system together with Moses D/F/L fibers were used to compare the Regular mode with the Moses modes in stone retropulsion by using a high-speed camera, and stone ablation efficiency. In addition, a porcine ureteroscopy model was used to assess stone fragmentation and dusting as well as laser-tissue interaction with the ureteral wall...
April 25, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28336203/is-extracorporeal-shock-wave-lithotripsy-a-current-treatment-for-urolithiasis-a-systematic-review
#20
P Bahílo Mateu, A Budía Alba, E Liatsikos, M Trassierra Villa, J D López-Acón, D de Guzmán Ordaz, F Boronat Tormo
INTRODUCTION: Technological advances have prompted a change in the management of urolithiasis. Endourological techniques are gaining importance because they are highly effective treatments. The aim of this study was to answer the question of whether extracorporeal shock wave lithotripsy (ESWL) is still a competitive alternative compared with other therapeutic modalities. ACQUISITION OF EVIDENCE: We conducted a literature search of articles published in the past 5 years...
March 20, 2017: Actas Urologicas Españolas
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