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Ureteral calculi

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https://www.readbyqxmd.com/read/29737311/laparoscopic-ureterolithotomy-experience-of-60-cases-from-a-developing-world-hospital
#1
Mudassir Maqbool Wani, Abdul Munnan Durrani
Objective: Laparoscopic ureterolithotomy, which has been quoted to have a success rate equivalent to open ureterolithotomy for uretric stones, can be performed transperitoneally and retroperitoneally. The aim of the present study is to report our experience with laparoscopic retroperitoneal ureterolithotomy, its results and advantages in the current era of minimally invasive surgery in a developing country. Patients and Methods: It was a prospective study carried from May 2010 to December 2012...
May 4, 2018: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/29719327/role-of-clinical-and-radiological-parameters-in-predicting-the-outcome-of-shockwave-lithotripsy-for-ureteric-stones
#2
Hemant Goel, Sumit Gahlawat, Malay Kumar Bera, Dilip Kumar Pal, Onam Aggarwal
Introduction: Shockwave-lithotripsy (SWL) provides a noninvasive and effective option for the management of ureteric calculi. Several factors may affect the success of SWL. Identification of these predictive factors will both increase the efficacy and decrease the cost. This study was designed to identify factors affecting the outcome of SWL for ureteral stones. Materials and Methods: This study was conducted from March 2012 to November 2014 in patients with solitary ureteric calculi who were managed with SWL...
April 2018: Urology Annals
https://www.readbyqxmd.com/read/29705059/-result-of-treatment-of-urinary-lithiasis-for-professional-aptitude
#3
C Julien, J Laroche, F-X Deledalle, F-X Brocq, R Fournier, P Rivière, E Lechevallier, P-H Savoie
INTRODUCTION: Military people are inapt for presence of urinary stones. In this specific population, the treatment of stones is even more aggressive than for the general population without recommendation. The final decision about aptitude is the responsibility of the military doctor. Whereas, ureteroscopy has its place there and must done by any urologist. METHODS: The purpose of this study was to estimate the results of treatments by ureteroscopy in this population...
April 25, 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29675477/dextranomer-hyaluronic-acid-calcification-masquerading-as-distal-ureteral-calculi-in-a-patient-previously-treated-for-vesicoureteral-reflux
#4
Muammer Bozkurt, Samir Agalarov, Erkan Merder, Fatih Altunrende
Subureteral endoscopic injection is a safe and effective treatment for vesicoureteral reflux (VUR). Dextranomer/hyaluronic acid (Dx/HA) is the most commonly used bulking agent for the treatment of VUR. We report a confusing radiographic finding of calcified Dx/HA injection initially simulates distal ureteral stone in a female patient who has intermittent lumbar pain. Calcification of Dx/HA implants may mimic distal ureteral calculi; therefore, urologists should be aware of the potentially confusing radiographic images...
2018: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29605825/potassium-citrate-is-better-in-reducing-salt-and-increasing-urine-ph-than-oral-intake-of-lemonade-a-cross-over-study
#5
Jing Shen, Xicheng Zhang
BACKGROUND Urine solute supersaturation leads to the formation of urinary tract caliceal stones. Many parameters can be involved in the supersaturation of solutes in urine, such as pH. Uric acid has pKa ≤5.5, and it is solubilized at pH ≥5.5. The objective of the study was to evaluate the effects of potassium citrate and lemonade supplementation in pediatric patients with urolithiasis. MATERIAL AND METHODS A total of 126 children who had lower ureteral stones calculi and fragments with severe colic pain participated in this cross-over study...
April 1, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29600333/predictors-of-surgical-intervention-following-initial-surveillance-for-acute-ureteric-colic
#6
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/29595647/ultrasound-guided-minimally-invasive-percutaneous-nephrolithotomy-in-the-treatment-of-pediatric-patients-6-years-a-single-center-10-years-experience
#7
Yang Hong, Qingquan Xu, Xiaobo Huang, Zhenjie Zhu, Qingya Yang, Lizhe An
Owing to the fragile kidney and relative small collecting system of pediatric patients, urologists were always reluctant to treat pediatric urolithiasis with PCNL. Here we conduct a study to assess the effectiveness and safety of pediatric patients with renal calculi <6 years.A total of 88 pediatric patients (99 kidney units) <6 years underwent the ultrasound (US)-guided minimally invasive percutaneous nephrolithotomy in our institute from March 2006 to April 2016. The mean age was 30.9 months (range, 7-72 months)...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29595043/minimally-invasive-approach-for-the-management-of-urological-complications-after-renal-transplantation-single-center-experience
#8
Orkunt Özkaptan, Cuneyd Sevinc, Muhsin Balaban, Tahir Karadeniz
BACKROUND: The aim of the study was to characterise urological complications after renal transplantation and to evaluate the role of minimally invasive management for urological complications. METHODS: A total of 920 kidney transplantations were performed between 2008 and 2015. All patients were followed up for at least 1 year after transplantation. Complications regarded as urological were urinary leakage, ureteral stricture, urinary malignancy, bladder outlet obstruction (BOO) and urinary calculi...
March 28, 2018: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/29580730/risk-factors-for-repeat-surgical-intervention-in-pediatric-nephrolithiasis-a-pediatric-health-information-system-database-study
#9
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/29567091/non-contrast-mdct-for-ureteral-calculi-and-alternative-diagnoses-yield-in-adult-women-vs-in-adult-men
#10
Parisa Fani, Michael N Patlas, Sandra Monteiro, Douglas S Katz
PURPOSE: To determine the yield of non-contrast multi-detector computed tomography (MDCT) of the abdomen and pelvis in diagnosing ureteral calculi as well as other alternative acute conditions in male vs in female adult patients presenting to the emergency department with new onset of symptoms. METHODS: Our institutional review board approved a retrospective review of the official reports of the non-contrast MDCT examinations of the abdomen and pelvis performed on adults (18 years and older) presenting to our emergency department with a suspected ureteral calculus from October 1, 2011 to October 30, 2013...
February 2, 2018: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29524976/fluoroless-ureteroscopy-for-definitive-management-of-distal-ureteral-calculi-randomized-controlled-trial
#11
Ahmed Mohey, Mohamed Alhefnawy, Mostafa Mahmoud, Rabea Gomaa, Tarek Soliman, Shabieb Ahmed, Yasser A Noureldin
INTRODUCTION: To assess the conversion rate during fluoroless-ureteroscopy (URS) and evaluate the feasibility, safety, and efficacy of fluoroless-URS as a definitive management of distal ureteral calculi. MATERIAL AND METHODS: Between May 2013 and August 2015, patients with radio-opaque distal ureteral calculi of ≤ 1 cm in size were randomized to undergo fluoroless-URS or standard URS. Patients with previous ureteral surgery, ureteral kinking, ureteral stricture, single kidney, additional proximal ureteral or renal calculi, uncontrolled coagulopathy, and/or congenital anomalies of the urinary tract were excluded...
February 2018: Canadian Journal of Urology
https://www.readbyqxmd.com/read/29520387/predictive-factors-and-treatment-outcomes-of-steinstrasse-following-shock-wave-lithotripsy-for-ureteral-calculi-a-bayesian-regression-model-analysis
#12
Ho Won Kang, Kang Su Cho, Won Sik Ham, Dong Hyuk Kang, Hae Do Jung, Jong Kyou Kwon, Young Deuk Choi, Joo Yong Lee
Purpose: This study aims to assess the predictive factors and treatment outcomes of Steinstrasse formation following shock wave lithotripsy (SWL) for ureter stone. Materials and Methods: The medical records of 1,418 ureter stone patients who underwent one-session SWL from November 2005 to May 2013 at our medical institute were retrospectively reviewed. Finally, 551 patients met inclusion criteria. Maximal length and location of stone, stone attenuation (Hounsfield units), and skin-to-stone distance (SSD) were determined on pretreatment non-contrast computed tomography...
March 2018: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29434761/the-value-of-x-ray-digital-tomosynthesis-in-the-diagnosis-of-urinary-calculi
#13
Shifeng Liu, Hong Wang, Weihua Feng, Xiaokun Hu, Jian Guo, Qingjun Shang, Zixiang Li, Hongsheng Yu
Urinary calculus is a common and recurrent condition that affects kidney function. The present study evaluated the use of digital tomosynthesis (DTS) and Kidneys-Ureters-Bladder (KUB) radiography as methods of diagnosing urinary calculi. Unenhanced multidetector computed tomography (UMDCT) was used in the diagnosis of calculi. KUB radiography and DTS procedures were conducted on patients prior to and following bowel preparation to detect kidney, ureteral and bladder calculi. Differences in diagnostic performance of KUB radiography and DTS imaging on prepared and unprepared bowel were evaluated using the χ2 test...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29429259/-clinical-analysis-for-preset-double-j-tube-in-percutaneous-nephrolithotripsy
#14
F D Bai, H F Wu, J M Wen, N Zhang, Y C Zheng, J M Chen, C J Du
Objective: To evaluate the clinical application and effect of preseting Double-J ureteric stent in percutaneous nephrolithotripsy. Method: 74 cases of renal calculi treated with PCNL in our hospital during June 2014 to February 2017 were retrospectively analyzed. Of 74 cases, 54 was male, 20 was female. All cases were aged 27 to 78, the mean age was (49.5±12.3) years old. The diameter of the stone was 20 to 59 mm, and the mean diameter was of (29.4±4.3) mm.Our Surgical methods was first putingFr6 double J tube in abnormal ureteral in advance in lithotomy position, then indwellingthree-way Foley catheter and clipping drainage port, perfusingirrigation port with 3 000 ml saline from 60-80 cm height...
February 6, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29421922/pediatric-ureteroscopy
#15
Patrick Fox, Michael C Ost
In recent years, the incidence of nephrolithiasis in the pediatric population appears to be increasing.1 This has placed a new emphasis on surgical management of stones in children. In the past, extra-corporeal shockwave lithotripsy (ESWL) was the preferred management technique for stones in children.2 More recently, though, advances in endoscopy have allowed ureteroscopy to be adapted to the pediatric population and this approach has become more frequently utilized not just for lower ureteral calculi but also for proximal ureteral and renal stones...
February 8, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29416272/is-retrograde-intrarenal-surgery-the-game-changer-in-the-management-of-upper-tract-calculi-a-single-center-single-surgeon-experience-of-131-cases
#16
Kandarp Priyakant Parikh, Ravi Jineshkumar Jain, Aditya Parikh Kandarp
Introduction: Success of any modality for stone disease needs to be evaluated in terms of Stone Free Rates (SFR), auxiliary procedures needed; complications and follow up. SFR in RIRS is subject to parameters like stone burden, location, number, hardness, composition; calyceal and ureter anatomy; use of ureteric access sheath (UAS); surgeon experience etc. Methods: The aim of this study is to evaluate the efficacy and safety of RIRS for managing upper tract stones...
January 2018: Urology Annals
https://www.readbyqxmd.com/read/29406799/management-of-pediatric-urolithiasis-using-a-combination-of-laparoscopic-lithotomy-and-pyeloscopy
#17
Sergio Landa-Juárez, Bárbara M Rivera-Pereira, Ana M Castillo-Fernández
BACKGROUND: Minimally invasive procedures have become the standard option for treatment of urinary stones; the use of more invasive techniques is not a common practice currently. This emergent technology is not always available and laparoscopy is the alternative option. There are few reports of laparoscopic management for urinary lithiasis in pediatric patients. This study is about the use of laparoscopic surgery combined with pyeloscopy as a feasible first-line treatment for pediatric urolithiasis in renal and proximal ureteral locations...
February 6, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29382444/intraureteral-lidocaine-for-ureteral-stent-symptoms-post-ureteroscopy-a-randomized-phase-2-placebo-controlled-trial
#18
Gregory Roberts, Robert Leslie, Sylvia Robb, D Robert Siemens, Darren Beiko
INTRODUCTION: Ureteral stent and ureteral manipulation-related pain is a significant complication for patients undergoing ureteroscopy. Herein, we report a phase 2, randomized trial to assess efficacy of direct instillation of intraureteral lidocaine in reducing postoperative pain and ureteral stent symptoms. METHODS: We performed a randomized, double-blinded trial of patients undergoing elective ureteroscopy for ureteral calculi. Patients were randomized to direct instillation of 2% lidocaine plus bicarbonate, or to normal saline as control...
October 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29364018/renal-pseudoaneurysm-a-rare-and-potentially-fatal-complication-following-ureteroscopy-and-laser-fragmentation-of-stones
#19
I Jubber, P R Patel, S Hori, S Al-Hayek
Ureteroscopy and laser fragmentation of stones is a commonly used method to treat ureteric and renal calculi. We report the exceedingly rare finding of a renal pseudoaneurysm in an interpolar renal artery following ureteroscopy and laser stone fragmentation, which was successfully managed with angioembolisation.
March 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29313845/stones-met-for-distal-ureteral-calculi-not-all-stones-are-created-equal
#20
Kelly A Healy, Ojas Shah
No abstract text is available yet for this article.
April 2018: Nature Reviews. Urology
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