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ureteral stone

Ben H Chew, Dirk Lange
Open ureterolithotomy and pyelolithotomy used to be first line therapy for treating kidney and ureteral stones. With the advent of shockwave lithotripsy, open stone surgery became less prevalent, but once ureteroscopy became more prevalent, open stone surgery became all but extinct. Advances in smaller, more flexible endoscopes and improvements in intracorporeal lithotripters, ureteroscopy has become a mainstay of therapy for kidney stones. The holmium:YAG laser can be utilized through flexible instruments and fragments any stone no matter what it is composed of...
October 19, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
Philip T Zhao, David M Hoenig, Arthur Smith, Zeph Okeke
OBJECTIVE: We compared postoperative outcomes and quality of life (QoL) between patients who received a nephrostomy versus a ureteral stent following PCNL in a prospective double-blind randomized fashion. METHOD: Between September 2015 and March 2016, we randomized 30 patients undergoing PCNL to receive nephrostomy drainage (Group 1) or Double-J ureteral stent (Group 2) at conclusion of surgery. Nephrostomy tubes were removed within 48 hours and ureteral stents were removed at least 2 weeks after surgery...
October 12, 2016: Journal of Endourology
Selcuk Sahin, Berkan Resorlu, Feyzi Arda Atar, Mithat Eksi, Nevzat Can Sener, Volkan Tugcu
PURPOSE: To report and discuss the treatment of ipsilateral upper ureteral and renal stones by laparoscopic ureterolithotomy with concomitant pyelolithotomy using flexible cystoscope. MATERIALS AND METHODS: A total of 19 patients (14 men and 5 women) underwent laparoscopic retroperitoneal ureterolithotomy with concomitant pyelolithotomy using flexible cystoscope through the ureterotomy site. The mean age of the patients was 37.9 (22-61) years. Stones were on the right side in 12, on the left side in 7, and multiple in 6 patients...
October 10, 2016: Urology Journal
Sarah Mozafarpour, Natalia Hernandez, Michael Lipkin, Brian Eisner
Over the past 2 decades, ureteroscopy has changed from a procedure considered second-line to shockwave lithotripsy to a commonly performed procedure for renal and ureteral stones. The increase in the use of ureteroscopy is due largely to improvements in technique and technology during this time period. Herein we review outcomes of ureteroscopy in terms of success rates, complications, and unique patient populations. This work will synthesize the data as it pertains to the practice of ureteroscopy for all endourological indications, including stone disease and management of upper tract urothelial carcinoma, as well as review state-of-the-art techniques...
October 12, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
Haluk Sen, Sakip Erturhan, Erkan Sadioglu, Omer Bayrak, İlker Seckiner
We aimed to investigate the efficacy of two different doses of doxazosin, 4 and 8 mg, in medical expulsive therapy (MET). This prospective randomized study included a total of 66 patients with distal ureteral stones which were radio-opaque and ≤10 mm. All patients were randomly divided into three groups: Group 1 included 25 patients receiving 4 mg doxazosin. Group 2 included 22 patients receiving 8 mg doxazosin. Diclofenac 100 mg p.o. and daily 1500-2000 cc hydration were advised to the patients in Groups 1 and 2 to relieve pain...
October 7, 2016: Urolithiasis
Stefano Paolo Zanetti, Luca Boeri, Michele Catellani, Andrea Gallioli, Alberto Trinchieri, Kemal Sarica, Emanuele Montanari
OBJECTIVE: A wide selection of both anterograde and retrograde mini-invasive procedures exist for stones' treatment. The 2016 European Association of Urology (EAU) guidelines still don't univocally define a best option. Our purpose is to give an overview on some European Stone Centers' customs and to compare real life clinical practice with statements of opinion leaders and Guidelines. MATERIALS AND METHODS: In 2015 we performed a survey in 3 step about the spread of retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy (PCNL) techniques among EAU Section of Urolithiasis (EULIS) members...
October 5, 2016: Archivio Italiano di Urologia, Andrologia
Kemal Sarica, Bilal Eryildirim, Cahit Sahin, Özlem Kolçak Türkoğlu, Murat Tuncer, Alper Coskun, Hakan Akdere
OBJECTIVES: To evaluate the emergency management of obstructing ureteral calculi with two different techniques (SWL and URS) with an emphasis on patients life quality. METHODS: A total of 80 patients presenting with acute colic pain due to a single obstructing ureteral stone were treated within 24 hours following the onset of pain with two different approaches in a randomized manner. Patients requiring DJ stent placement and/or auxiliary measures after both procedures were excluded and the remaining 65 patients were evaluated [Group1: ESWL (n = 34); Group 2: URS (n = 31)]...
October 5, 2016: Archivio Italiano di Urologia, Andrologia
Kürşat Düzenli, Mehmet Öztürk, İsmail Okan Yıldırım, Gülnur Erdem
Our aim in this study was to evaluate the use of diffusion-weighted imaging (DWI) for acute renal parenchymal changes occurring as a result of unilateral ureteral obstruction due to stones. Twenty four patients with obstructed and opposite unobstructed kidney were enrolled in this prospective study. DWI was used at two different b values (b = 0 s/mm(2) and b = 1000 s/mm(2)). Apparent diffusion coefficient (ADC) measurements were completed on the upper pole, central section and lower pole parenchyma of both kidneys...
October 5, 2016: Urolithiasis
B Gerber, F Brandenberger-Schenk, E Rothenanger, C Müller
In this study data on composition of uroliths collected from cats and epidemiologic data of affected cats in Switzerland from 2002 to 2009 are summarised. Of 884 stones analysed 50% (n=441) were composed of calcium oxalate, 45% (n=398) of struvite, 3% (n=18) of ammonium urate, 1% (n=12) were mixed stones, 1% (n=9) were composed of silica, 3 stones were solidified blood, 2 consisted of cystine and 1of xanthine. 40% of the ureteral stones were composed of struvite. Domestic cats had significantly less calcium oxalate stones compared to British Shorthair or Persian cats...
October 2016: Schweizer Archiv Für Tierheilkunde
David E Rapp, Nada L Wood, Matthew Bassignani, Luke Gergoudis, Sarah Caulkins, Eugene V Kramolowsky
INTRODUCTION: Non-contrast CT (NCT) is commonly used to evaluate flank pain (FP). We sought to evaluate incidence of ureteral calculi on NCT in patients with FP, and to determine if clinical variables are associated with higher detection rates. MATERIALS AND METHODS: Retrospective review identified 613 patients undergoing NCT for FP. Patient clinical data, NCT findings, and intervention were analyzed. Focus was placed on variables commonly associated with urolithiasis (Vstone), comprising hematuria, nausea/vomiting, and prior stone history...
October 2016: Canadian Journal of Urology
Brian Weiss, Ojas Shah
Over the past two decades, the management of upper-tract urinary stones has dramatically changed towards an increase in the use of ureteroscopic treatment. This change has been driven by technological advances such as the creation of flexible ureteroscopes with reduced calibre (which now have digital, disposable and dual flexion capability) and holmium lasers with increased power. Two basic principles exist when treating stones ureteroscopically: either creating stone dust and small fragments (<1-2 mm) to theoretically enable spontaneous passage of the small particles or stone fragmentation that enables safe extraction of the stone pieces with a basket or grasper in an efficient manner...
October 4, 2016: Nature Reviews. Urology
Nicholas J Rukin, Zain A Siddiqui, Edmund C P Chedgy, Bhaskar K Somani
AIMS: The study aimed to determine the current trends in urolithiasis-related admissions and associated interventions in England between 2006/2007 and 2013/2014 utilizing Hospital Episode Statistics (HES) online data. MATERIAL AND METHODS: Data was extracted from the online HES data set for each year from 2006/2007 to 2013/2014 inclusive. Admissions and procedural interventions were identified from their corresponding OPCS-4 and ICD-10 codes. RESULTS: Finished consultant episodes (FCEs) for urolithiasis have increased by 20% over the last 7 years, with 93,039 FCEs in the year 2013/2014...
October 1, 2016: Urologia Internationalis
Hui Ding, Zhongyun Ning, Yu Dai, Panfeng Shang, Li Yang
To evaluate the efficacy of Silodosin as a medical expulsive therapy of ureteral stones, we searched PubMed, EMBASE, the Cochrane Library, and CBM up to June 2015. All randomized controlled trials (RCTs) were identified in which patients were randomized to receive Silodosin versus placebo or other therapies for ureteral stones. Outcome measures assessed were overall stone expulsion rate (primary) and expulsion time, analgesics times, and the incidence of additional treatment and regarding treatment complications (secondary)...
August 9, 2016: Renal Failure
Jonathan C Routh
No abstract text is available yet for this article.
September 6, 2016: Journal of Pediatric Urology
Robert A Goldfarb, Yunhua Fan, Stephanie Jarosek, Sean P Elliott
PURPOSE: Ureteral obstruction in cervical cancer occurs in up to 11% of patients, many of whom undergo ureteral stenting. Our aim was to describe the patient burden of chronic ureteral stenting in a population-based cohort by detailing two objectives: (1) the frequency of repeat procedures for ureteral obstruction; and, (2) the frequency of urinary adverse effects (UAEs) (e.g., lower urinary tract symptoms, flank pain). MATERIALS AND METHODS: From SEER-Medicare, we identified 202 women who underwent ureteral stent placement prior to or following cervical cancer treatment...
September 20, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Ankur Bansal, Manoj Kumar, Ashok Sokhal, Bimalesh Purkait, Gautam Kanodia
ABSTRACTBilateral single system ureteral ectopia (BSSEU) is an uncommon entity. Ureteric calculi in BSSEU are never reported so far. We herein report a case of BSSEU with left lower urtereic calculi managed by bilateral ureteric tapering and reimplantation with stone removal.
September 3, 2016: Urologia
Raymond H Thornton, Anne M Covey
Urinary drainage procedures are used to treat a wide range of clinical situations including pyonephrosis, preservation of renal function in patients with ureteral obstruction, as a means to access the collecting system for stone retrieval or lithotripsy and to divert urine from a distal leak or fistula. Several different drainage devices are available and include those that provide obligatory external drainage (nephrostomy), both internal and external drainage (nephroureteral stent) and internal drainage (double-J stent)...
September 2016: Techniques in Vascular and Interventional Radiology
Ali Pourmand, Rahul Nadendla, Maryann Mazer-Amirshahi, Francis O'Connell
In the United States, urolithiasis affects approximately 1 in 11 people, and there is evidence that the prevalence is increasing. A relatively recent treatment strategy for urolithiasis involves using medical expulsive therapy (MET) to increase the likelihood of spontaneous passage of ureteral stones. The 2 leading drug classes for MET are alpha-1-andrenergic receptor blockers and calcium channel blockers. Tamsulosin, an alpha-1-adrenocepter blocking agent, is thought to induce spontaneous stone passage by relaxing ureteral smooth muscle tone...
September 8, 2016: American Journal of Emergency Medicine
Yiloren Tanidir, Ahmet Sahan, Mehmet Kazim Asutay, Tarik Emre Sener, Farhad Talibzade, Asgar Garayev, Ilker Tinay, Cagri Akin Sekerci, Ferruh Simsek
To differentiate ureteral stones and phleboliths by measuring density [as Hounsfield unit (HU)] and volume (as mm(3)) of the opacities in the bony pelvis on unenhanced computerized tomography (U-CT). A total of 52 patients, who underwent semirigid ureteroscopy and laser lithotripsy for distal ureteral stone and had isochoronous phleboliths in U-CT, were included. Images were reviewed for density and volume of the opacities. Data were compared, and a cut-off value was defined with receiver operating characteristics curve analysis to differentiate the nature of the opacity...
September 16, 2016: Urolithiasis
Hongwei Ge, Xiaoqing Zheng, Xinzhi Hou, Wenting Ding, Yanqun Na, Yuyong Wang, Zhijian Yu
INTRODUCTION: The traditional procedure for the management of bilateral ureteric stones is staged ureteroscopic lithotripsy(URSL). However, in recent years particularly, some urologists advocate same-session bilateral URSL on the ground of success rates and minimal morbidity. This systematic review is to evaluate the efficacy and safety of same-session bilateral ureteroscopy for the treatment of ureteral calculi. MATERIAL AND METHODS: We conducted a bibliographic search using MEDLINE(1980 to August 2015), EMBASE(1980 to August 2015)...
September 14, 2016: Journal of Endourology
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