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https://www.readbyqxmd.com/read/28220189/simple-and-practical-nomograms-for-predicting-the-stone-free-rate-after-shock-wave-lithotripsy-in-patients-with-a-solitary-upper-ureteral-stone
#1
Naoya Niwa, Kazuhiro Matsumoto, Makoto Miyahara, Minami Omura, Hiroaki Kobayashi, Eiji Kikuchi, Akira Miyajima, Kazutoyo Miyata, Mototsugu Oya
PURPOSE: To develop practical nomograms for predicting the stone-free rate after shock wave lithotripsy (SWL) in patients with a solitary stone in the proximal ureter. METHODS: Between July 2006 and June 2015, 319 patients with a proximal ureteral stone who underwent preoperative non-contrast enhanced computed tomography (NCCT) and subsequently received SWL were identified. Patients' age, gender, laterality, stone size, mean and maximum Hounsfield Unit (HU) of the stone, and skin-to-stone distance (SSD) were assessed...
February 20, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28212471/-management-of-ureteric-colic-with-ketorolac-and-nifedipin-vs-ketorolac-and-tamsulosin-in-the-emergency-room
#2
Álvaro J Montiel-Jarquín, Valeria M Rocha-Rocha, Hugo A Solís-Mendoza, María S Romero-Figueroa, Ivet Etchegaray-Morales, Ivan Alvarado-Ortega
BACKGROUND: Ureteric colic is the most common symptom of lithiasis. It is caused by the presence of stones accumulated in the renal papillae. These stones often migrate down the ureter, causing a ureteric colic, characterized by a severe pain in the lumbar region. The aim of this study was to compare the use of ketorolac and nifedipine vs. ketorolac and tamsulosin for the medical treatment of pain caused by stones in the lower ureter. METHODS: Longitudinal study of 150 patients of 21-years or older with stones in the lower third of the ureter...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28176914/upward-migration-of-a-ureteric-stone-in-a-military-trainer-a-case-report
#3
Moayid Fallatah, Sakher Tahaineh, Rawan Abu Mughli, Seddig M Fallatah
Retrograde ureteric stone migration is an extremely rare phenomenon with only one previously reported case in the literature. We report on a case of upward spontaneous migration of a ureteric stone in a 39-year-old male military trainer in Saudi Arabia who was diagnosed with upper left ureteric stone based on non-contrast spiral computerized tomography kidney ureter bladder (CT-KUB) scan. The plan was to treat the patient conservatively with alpha blockers and oral hydration. Two weeks after treatment started, repeated CT-KUB scan revealed an upward migration of the stone to the left renal calyx...
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/28150482/life-threatening-complications-after-ureteroscopy-for-urinary-stones-survey-and-revision-of-the-current-literature
#4
Luca Cindolo, Pietro Castellan, Giulia Primiceri, Andras Hoznek, Cecilia M Cracco, Cesare M Scoffone, Antonio Galfano, Giovanni Petralia, Michele DE Angelis, Filippo Annino, Emilio Malacasa, Luigi Cormio, Pietro Acquati, Elisa DE Lorenzis, Orazio Maugeri, Giuseppe Arena, Antonio Celia, Guido Giusti, Luigi Schips
Retrograde ureteroscopy (URS) has become a common procedure for the management of urinary stones. Although its efficacy and safety are well known, the literature about major complications is still poor. This study highlighted some cases of life-threatening complications after semirigid ureteroscopy (s-URS) or flexible ureteroscopy (f-URS). We enrolled experienced endourologists (more than 75 cases/year in the last 3 years) and we performed a survey asking to review their series and report the cases encumbered by major complications (Clavien-Dindo IIIb-IV grade)...
February 1, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28139077/systematic-review-and-meta-analysis-of-the-diagnostic-accuracy-of-low-dose-computed-tomography-of-the-kidneys-ureters-and-bladder-for-urolithiasis
#5
REVIEW
Hao Xiang, Michael Chan, Victoria Brown, Ya Ruth Huo, Lewis Chan, Lloyd Ridley
Renal colic is a common clinical condition which is often investigated with a CT of the kidneys, ureters and bladder (CTKUB). Recent technological improvements have allowed a reduction in dose with the emergence of low-dose CTKUB (LD-CTKUB) techniques. The present meta-analysis aims to determine the diagnostic accuracy of LD-CTKUB in the diagnosis of clinically significant uroliths. A systematic review was performed using nine electronic databases from their dates of inception to May 2016. Inclusion criteria included studies reporting comparative outcomes using LD-CTKUB with a dose less than 3 millisieverts compared to an imaging gold standard or clinical and surgical evaluation...
January 31, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28117002/b3-adrenoceptor-control-of-lower-gen%C3%A4-tour%C3%A4-nary-tract-organs-and-funct%C3%A4-on-in-male-an-overv%C3%A4-ew
#6
Ecem Kaya, Suresh C Sikka, Didem Yilmaz Oral, Isil Ozakca, Serap Gur
BACKGROUND: The sympathetic nervous system is one component of the nervous regulatory system of the physiological function of the lower genitourinary tract. Our knowledge on the role of this sympathetic system has advanced during the last decade due to the characterization of b3-adrenoceptors (b3-ARs) in the urogenital system. OBJECTIVE: This review focuses on the pharmacological and molecular evidence supporting the functional roles of β3-AR in male genitourinary tissues of various species...
January 20, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28073208/experience-of-percutaneous-access-under-ultrasound-guidance-in-renal-transplant-patients-with-allograft-lithiasis
#7
Silvano Palazzo, Ottavio Colamonico, Saverio Forte, Matteo Matera, Giuseppe Lucarelli, Pasquale Ditonno, Michele Battaglia, Pasquale Martino
OBJECTIVE: Urolithiasis of the transplanted kidney has an incidence of 0.2 to 1.7%, it increases the risk of infection in immunosuppressed patients and it can lead to ureteral obstruction that is often associated with deterioration of renal function. Urolithiasis of the transplanted kidney has different characteristics compared to the native kidney, due to the absence of innervation, which does not lead to colic pain. Percutaneous approach is an optimal choice in transplant patients. MATERIAL AND METHODS: Here we report our experience in two cadaveric transplant patients with urolithiasis...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28069871/spontaneous-proximal-ureteric-rupture-secondary-to-ureterolithiasis
#8
Keith Pace, Karl Spiteri, Karl German
We present the case of a 37-year-old lady who presented with severe colicky left sided flank pain associated with vomiting, chills and rigors. A non-contrast Computed Tomography of the Kidney Ureter and Bladder was performed which showed a 2-3 mm stone in the pelvic part of the left ureter. Following 2 days of conservative treatment she was still complaining of increasingly severe pain. A contrast computed tomography of the abdomen was performed which was suggestive of a perforation of the left collecting system...
January 9, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28057990/predictors-of-systemic-inflammatory-response-syndrome-following-percutaneous-nephrolithotomy
#9
Karunamoorthy Ramaraju, Arun Kumar Paranjothi, Dhinakar Babu Namperumalsamy, Ilamparuthi Chennakrishnan
INTRODUCTION AND OBJECTIVES: Sepsis remains one of the dreaded complications of percutaneous nephrolithotomy (PCNL). To analyze prospectively the preoperative and intraoperative factors that predict the occurrence of systemic inflammatory response syndrome (SIRS) in patients undergoing PCNL so that we can aggressively manage those patients from the preoperative period itself and avert the dangerous complications. MATERIALS AND METHODS: A prospective study was carried out between August 2012 and March 2013 including all patients who underwent PCNL...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28031088/therapy-and-prevention-of-postoperative-urosepsis-of-ureter-endoscopic-lithotripsy-for-non-infection
#10
Jun Shen, Fa Sun, Fang-Min Chen, Zhi-Ping Wu, Sheng-Wen Li
Objective To analyze the risk factors causing postoperative urosepsis in ureter endoscopic lithotripsy without infection preoperatively, in order to make a more effective and safer preventive and therapeutic strategy.Methods From January 2010 to January 2015, 5 ureteral calculus patients undergoing ureter endoscopic lithotripsy with holmium laser were retrospectively enrolled in this clinical study. These patients suffered urosepsis postoperatively confirmed by the clinical presentations and laboratory Results, while they had no infection in their blood and urine preoperatively...
March 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28012707/effectiveness-of-ureteroscopy-among-the-youngest-patients-one-centre-s-experience-in-an-endemic-region-in-turkey
#11
Mehmet Mazhar Utanğaç, Mansur Dağgülli, Onur Dede, Ahmet Ali Sancaktutar, Yaşar Bozkurt
BACKGROUND: In recent years, the incidence of urinary stone disease reportedly has been increasing. The use of shockwave lithotripsy has seen low success rates, the inefficacy of a single session, and the need for general anaesthesia in children; additionally, children are exposed to radiation. These suboptimal treatment conditions have all led to ureteroscopy (URS) becoming the treatment method of choice for paediatric ureter stones. The aim of this study is to examine the effectiveness of 4...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28004173/no-difference-in-prevalence-of-radiographic-subspinal-impingement-of-the-hip-between-symptomatic-and-asymptomatic-subjects
#12
Jun-Il Yoo, Yong-Chan Ha, Han-Jun Lee, Jung-Yeop Lee, Young-Kyun Lee, Kyung-Hoi Koo
PURPOSE: The study determined the prevalence of subspinal impingement (SSI) in symptomatic and asymptomatic individuals, morphologic characteristics in symptomatic patients, and risk factors for SSI. METHODS: The study cohort consisted of 427 patients (427 hips; median age 33.4 years; range 19-50 years) with mechanical symptoms who underwent multi-detector computed tomography arthrography (symptomatic patients) and 259 control (asymptomatic) patients who underwent abdominopelvic three-dimensional CT because of a ureter stone or minor trauma...
December 21, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27960541/high-frequency-dusting-versus-conventional-holmium-laser-lithotripsy-for-intrarenal-and-ureteral-calculi
#13
Roger Li, David Ruckle, Mohamed Keheila, Jonathan Maldonado, Michelle Lightfoot, Muhannad Alsyouf, Alexander Yeo, Samuel R Abourbih, Gaudencio Olgin, Javier L Arenas, D Duane Baldwin
INTRODUCTION: The efficiency of holmium laser lithotripsy for urolithiasis depends upon several factors, including laser pulse energy and frequency and stone composition and retropulsion. This study investigates the complex interplay between these factors and quantifies lithotripsy efficiency using different laser settings in a benchtop kidney and ureter model. MATERIALS AND METHODS: In vitro caliceal and ex vivo porcine ureteral models were constructed. Calcium oxalate monohydrate stones were fragmented using a 200-μm laser fiber...
January 16, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/27933480/alternatives-to-the-baseline-kub-for-ctkub-detected-calculi-evaluation-of-ct-scout-and-average-and-maximum-intensity-projection-images
#14
Hin-Boon Matthew Lew, James Han-Su Seow, Chandra Padmini Hewavitharana, Sally Burrows
PURPOSE: A CT of the kidneys, ureters, and bladder (CTKUB) is the investigation of choice in suspected renal colic. Plain kidney, ureter, and bladder radiographs (KUB) can be used to monitor the progress of a stone if radiographically visible on a baseline KUB. This study aims to determine if a low-dose CT Scout, thick-slab average intensity projection (AIP), or maximum intensity projection (MIP) images are suitable as substitutes for a baseline KUB. METHOD: A retrospective review of patients from a tertiary adult institute that had a positive CTKUB and a KUB within 4 h of the CT was performed...
December 8, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27928810/the-association-of-stone-opacity-in-plain-radiography-with-percutaneous-nephrolithotomy-outcomes-and-complications
#15
Robab Maghsoudi, Masoud Etemadian, Amir Hossein Kashi, Alireza Ranjbaran
PURPOSE: To investigate the influence of stone opacity in plain radiography on stone free rate and complications ofpercutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS: A number of 101 patients who underwent PCNL between July-September 2015 wereprospectively included. Stone opacity was judged on preoperative plain Kidney-Ureter-Bladder X-ray. Stone freerate was evaluated two weeks after the operation by ultrasonography and KUB. RESULTS: There were 61 patients with opaque stones and 40 patients with non-opaque stones...
8, 2016: Urology Journal
https://www.readbyqxmd.com/read/27924195/effects-of-glycopyrrolate-premedication-on-preventing-postoperative-catheter-related-bladder-discomfort-in-patients-receiving-ureteroscopic-removal-of-ureter-stone
#16
Jin A Kim, Jin Hye Min, Hong Sik Lee, Hyong Rae Jo, Ui Jin Je, Jin Hyub Paek
BACKGROUND: Glycopyrrolate given as reversing agents of muscle relaxants has been reported to be effective in reducing postoperative catheter-related bladder discomfort (CRBD). However, it remains unclear whether glycopyrrolate as premedication is also effective. This study aims to investigate the effectiveness of glycopyrrolate as premedication on preventing CRBD in the post-anesthesia care unit (PACU). METHODS: Eighty-three patients who received elective ureteroscopic removal of ureteral stone were randomly assigned to the control (n = 43) or the glycopyrrolate group (n = 40)...
December 2016: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/27917808/unenhanced-computed-tomography-findings-of-renal-papillae-in-patients-with-a-ureteral-stone
#17
Selim Serter, Erkan Sahin, Utku Mahir Yildirim, Murat Arslan, Ayhan Karakose
PURPOSE: In some patients with a ureteral stone without uretero-hydronephrosis, it is difficult to determine the location of the stone. The objective of the present study was to investigate the changes in renal papillae using unenhanced computerized tomography (uCT) and determine the side of calculi using the renal papillary findings in patients with a ureteral stone. METHODS: uCT data from 81 patients were retrospectively reviewed for this study. The inclusion criteria were unilateral ureteral calculi, no renal calculi and no hydronephrosis...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27903253/developing-a-preoperative-predictive-model-for-ureteral-length-for-ureteral-stent-insertion
#18
Takashi Kawahara, Kentaro Sakamaki, Hiroki Ito, Shinnosuke Kuroda, Hideyuki Terao, Kazuhide Makiyama, Hiroji Uemura, Masahiro Yao, Hiroshi Miyamoto, Junichi Matsuzaki
BACKGROUND: Ureteral stenting has been a fundamental part of various urological procedures. Selecting a ureteral stent of optimal length is important for decreasing the incidence of stent migration and complications. The aim of the present study was to develop and internally validate a model for predicting the ureteral length for ureteral stent insertion. METHODS: This study included a total of 127 patients whose ureters had previously been assessed by both intravenous urography (IVU) and CT scan...
November 30, 2016: BMC Urology
https://www.readbyqxmd.com/read/27878116/minijfil%C3%A2-a-new-safe-and-effective-stent-for-well-tolerated-repeated-extracorporeal-shockwave-lithotripsy-or-ureteroscopy-for-medium-to-large-kidney-stones
#19
Benoit Vogt, Francois-Noel Desfemmes, Arnaud Desgrippes, Yves Ponsot
BACKGROUND: Percutaneous nephrolithotomy (PCNL) is recommended for treating staghorn stones or stones measuring > 20 mm. Extracorporeal shockwave lithotripsy (ESWL) or flexible ureteroscopy (URS) may be used as a complement. However, PCNL can cause trauma to the kidney parenchyma, and patients may find a noninvasive procedure, such as ESWL, to be more attractive. OBJECTIVES: The aim of this study was to evaluate the clinical efficiency of MiniJFil® stenting associated with ESWL or second-line URS for the treatment of medium-to-large kidney stones...
September 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27868099/endourologic-and-open-ureterolithotomy-and-common-sheath-reimplant-for-large-bladder-and-distal-ureteral-calculi
#20
Madeline Cancian, Joseph Brito, Joseph Renzulli, Gyan Pareek
A twenty-eight-year-old female with a history of suprapubic pain and recurrent urinary tract infections presents for urology referral with a kidney, ureter, and bladder radiograph showing a 4.4 cm bladder calculus and 6.5 cm distal left ureteral stone. She underwent effective cystolitholapaxy of the bladder stone. Endourologic attempt (left ureteroscopy) was unsuccessful because of ureteral stone burden. Findings at ureteroscopy revealed a duplicated system on the left with the lower pole moiety joining just proximal to the ureteral orifice...
2016: Journal of Endourology Case Reports
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