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https://www.readbyqxmd.com/read/28921009/radiation-overexposure-from-repeated-ct-scans-in-young-adults-with-acute-abdominal-pain
#1
Massimo Tonolini, Elena Valconi, Angelo Vanzulli, Roberto Bianco
PURPOSE: The purpose of this study is to assess the dose of ionizing radiation caused by repeated CT scans performed to investigate non-traumatic acute abdominal conditions in young adults. METHODS: Over 26 months, we collected a cohort of patients aged 18 to 45 years who were subject to at least one urgent contrast-enhanced abdomen/pelvis CT. Patients affected with urolithiasis, HIV infection, tumors, and vascular and chronic inflammatory bowel diseases were excluded...
September 18, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28900827/lifetime-radiation-exposure-in-patients-with-recurrent-nephrolithiasis
#2
REVIEW
Mohamed A Elkoushy, Sero Andonian
Patients presenting with nephrolithiasis often undergo repeated imaging studies before, during, and after management. Considering the significant risk of stone recurrence in primary stone-formers, repeated imaging studies are not uncommon. Cumulative effects of ionizing radiation exposure from various imaging studies could potentially increase the risk for developing cataracts and solid malignancies in urolithiasis patients. Therefore, practitioners planning or performing imaging studies with ionizing radiation are compelled to keep radiation exposure to humans and the environment as low as possible, thus strictly adhering to the ALARA (As Low as Reasonably Achievable) principles...
September 12, 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28865885/stone-growth-patterns-and-risk-for-surgery-among-children-presenting-with-hypercalciuria-hypocitraturia-and-cystinuria-as-underlying-metabolic-causes-of-urolithiasis
#3
F Zu'bi, M Sidler, E Harvey, R I Lopes, A Hojjat, N Naoum, M Pokarowski, A J Lorenzo, W A Farhat, F Papanikolaou, J Dos Santos
INTRODUCTION: Hypercalciuria, hypocitraturia and cystinuria are the most common underlying metabolic stone abnormalities in children. The present study compared stone growth patterns, stone burden, and the risk of stone-related surgery among these underlying metabolic conditions. METHODS: A retrospective cohort of 356 children with renal stones, followed from 2000 to 2015, was studied. Differences among metabolic groups were determined using Kruskal-Wallis test; the Scheffé-test was used for multiple comparisons to determine differences among single groups...
August 4, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28861294/retrograde-intrarenal-surgery-for-renal-stones-part-2
#4
REVIEW
Özcan Kılıç, Murat Akand, Ben Van Cleynenbreugel
Retrograde intrarenal surgery (RIRS) has become an effective and safe treatment modality in the management of urinary system stone disease. Recent developments and innovations in the flexible ureterorenoscope and auxiliary equipment have made this procedure easier and more effective with increased success rates. RIRS can be used as a primary treatment in patients with renal stones smaller than 2 cm, prior unsuccessful shock wave lithotripsy, infundibular stenosis, renoureteral malformation, skeletal-muscular deformity, bleeding diathesis and obese patients...
September 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28845947/-dual-energy-computed-tomography-in-diagnosis-of-urolithiasis-a-new-method-for-determining-the-chemical-composition-of-urinary-stones
#5
A G Martov, D A Mazurenko, M M Klimkova, V E Sinitsyn, L A Nersisyan, N K Gadzhiev
The "gold standard" for the diagnosis and evaluation of urinary stones is native computed tomography, which allows determining stone localization and size of with high accuracy. However, this imaging technique has limited diagnostic usefulness in determining the stone chemical composition. The newly introduced method of dual-energy computed tomography, based on obtaining images at two different energy levels is highly effective in determining the composition of urinary stones. The review outlines the principles and methods of performing dual-energy computed tomography using various scanners...
July 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28845946/-nephrolithiasis-coexisting-with-type-2-diabetes-current-concept-of-the-features-of-stone-formation-and-the-effects-of-hypoglycemic-therapy-on-lithogenesis
#6
S K Yarovoi, S A Golovanov, M R Khaziakhmetova, O V Dzhalilov
The article analyzes Russian and international literature examining specific features of the pathogenesis of renal stones in the setting of carbohydrate metabolism disorders. The authors outline the renal effects of the main pharmacological groups of oral hypoglycemic drugs regarding metaphylaxis of nephrolithiasis. An increased risk of nephrolithiasis in type 2 diabetes mellitus is realized through hyperuricemia with concurrent urine acidification. Current literature is lacking studies on the effects of oral hypoglycemic drugs on urine properties...
July 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28845939/-experience-in-ureteroscopy-for-managing-urolithiasis-in-one-clinic-when-does-quantity-transform-into-quality
#7
V Yu Ivanov, V A Malkhasyan, I V Semenyakin, D Yu Pushkar
INTRODUCTION: In recent years, there has been an increasing role of ureteroscopy in managing urinary tract calculi of various locations. Several studies have reported the relationship between the efficacy and safety of ureteroscopic interventions and surgeons skills and hospital caseload volume. The aim of our study was to assess the effectiveness of urethroscopic stone removal, the changes in treatment effectiveness, frequency and types of complications along with gaining experience in these interventions...
July 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28845934/-troyakov-experience-in-using-hytolysin-in-the-integrated-management-of-urinary-tract-infections-and-methapylactics-of-nephrolithiasis
#8
V S Saenko, F P Kapsargin, S V Pesegov, V M
RELEVANCE: Urinary tract infection (UTI) are a risk factor for diseases leading to impairment of renal function and kidney stone disease (KSD). Growing resistance of uropathogens to antibacterial agents is a challenging issue in most countries of the world. Urolithiasis is the second most prevalent urologic condition following urinary tract infections and has a pronounced tendency to recur. Rational stone metaphylaxis leads to a significant reduction in the incidence of recurrent stones...
July 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28808392/antiurolithiatic-effect-of-sirupeelai-samoola-kudineer-a-polyherbal-siddha-decoction-on-ethylene-glycol-induced-renal-calculus-in-experimental-rats
#9
A Hannah Rachel Vasanthi, V Muthulakshmi, V Gayathri, R Manikandan, S Ananthi, Sarah Kuruvilla
BACKGROUND: Sirupeelai Samoola Kudineer (SK), a polyherbal decoction containing four medicinal plants has been used in Siddha system of medicine, practiced in Southern parts of India for the management of urolithiasis. OBJECTIVE: The present study is carried out to scientifically validate the traditional claim and to study the mechanism of action of the drug. MATERIALS AND METHODS: In the present study, anti-urolithiatic effect of SK was evaluated in Sprague-Dawley rats using ethylene glycol through drinking water and intraperitoneal injection of sodium oxalate...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28756724/medical-expulsive-therapy-in-urolithiasis-a-mixed-treatment-comparison-network-meta-analysis-of-randomized-controlled-clinical-trials
#10
Kannan Sridharan, Gowri Sivaramakrishnan
BACKGROUND: Medical expulsive therapy (MET) using alpha blockers, calcium channel blockers (CCB), phosphodiesterase inhibitors (PDEI) and spasmolytics have been shown to be effective in clinical trials on urolithiasis. The present study is a network meta-analysis comparing the above mentioned drug classes. RESEARCH DESIGN AND METHODS: Electronic databases were searched for randomized controlled trials comparing the above mentioned drug classes in patients with urolithiasis using appropriate search strategy...
October 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28753871/european-association-of-urology-section-of-urolithiasis-eulis-consensus-statement-on-simulation-training-and-assessment-in-urolithiasis
#11
Kamran Ahmed, Sachin Patel, Abdullatif Aydin, Domenico Veneziano, Ben van Cleynenbreugel, Ali Serdar Gözen, Andreas Skolarikos, Christian Sietz, Sven Lahme, Thomas Knoll, Juan Palou Redorta, Bhaskar Kumar Somani, Francesco Sanguedolce, Evangelos Liatsikos, Jens Rassweiler, Muhammad Shamim Khan, Prokar Dasgupta, Kemal Sarica
BACKGROUND: Simulation-based training offers an acceptable adjunct to the traditional mentor-apprentice model in helping trainees to traverse the early stages of the learning curve for ureteroscopy and percutaneous renal surgery. In addition, nontechnical skills are increasingly important in preventing adverse events in the operating room, and simulation-based training can be used for training in such skills. Incorporation of simulation into formalised, standardised, and validated curricula offers an applicable method for training residents...
March 31, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28748117/epidemiology-pathophysiology-and-management-of-uric-acid-urolithiasis-a-narrative-review
#12
REVIEW
A Abou-Elela
An in-depth comprehension of the epidemiology as well as pathophysiology of uric acid urolithiasis is important for the identification, treatment, and prophylaxis of calculi in these patients. Persistently low urinary pH, hyperuricosuria, and low urinary volume are the most important factors in pathogenesis of uric acid urolithiasis. Other various causes of calculus formation comprises of chronic diarrhea, renal hyperuricosuria, insulin resistance, primary gout, extra purine in the diet, neoplastic syndromes, and congenital hyperuricemia...
September 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28720369/metabolic-work-up-of-patients-with-urolithiasis-indications-and-diagnostic-algorithm
#13
REVIEW
Hans-Göran Tiselius, Michel Daudon, Kay Thomas, Christian Seitz
CONTEXT: The incidence of urinary tract stone disease is increasing and the risk of recurrent stone formation is high. Appropriate therapeutic procedures with the aim of counteracting the progress of stone formation are highly desirable. Metabolic work-up is considered essential as a base for optimal design and follow-up of effective recurrence prevention. OBJECTIVE: To scrutinize the current literature with regard to principles of metabolic work-up for this heterogeneous group of patients...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720368/a-critical-review-of-miniaturised-percutaneous-nephrolithotomy-is-smaller-better
#14
REVIEW
Silvia Proietti, Guido Giusti, Mahesh Desai, Arvind P Ganpule
CONTEXT: In an effort to reduce morbidity related to percutaneous nephrolithotomy (PCNL), some investigators have progressively introduced miniaturised approaches. The development of miniaturised nephroscopes facilitated widespread dissemination of these techniques and a significant expansion of the role of PCNL in endourology. OBJECTIVE: To discuss the different techniques comprising modern PCNL and identify the pros and cons of each of them. EVIDENCE ACQUISITION: Data for this review were identified through a search of PubMed, including studies published in the last 20 yr in core clinical journals in English...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720366/the-evolving-role-of-retrograde-intrarenal-surgery-in-the-treatment-of-urolithiasis
#15
REVIEW
Francesco Sanguedolce, Giorgio Bozzini, Ben Chew, Panagiotis Kallidonis, Jean de la Rosette
CONTEXT: Retrograde intrarenal surgery has gained substantial popularity worldwide thanks to continuous improvements in technology and techniques, and is now considered one of the first-line treatment options for active removal of renal stones. OBJECTIVE: To provide a comprehensive synthesis of the main evidences in literature on the current management of kidney stones by means of retrograde intrarenal surgery (RIRS). EVIDENCE ACQUISITION: A review of literature has been conducted using search string "retrograde intrarenal surgery OR flexible ureteroscop* OR ureterorenoscop*", without any language restriction; PubMed, Embase, and Scopus databases were searched in November 2016...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720363/burden-of-urolithiasis-trends-in-prevalence-treatments-and-costs
#16
REVIEW
Omer A Raheem, Yash S Khandwala, Roger L Sur, Khurshid R Ghani, John D Denstedt
CONTEXT: The recent evolution of management options for urolithiasis has presented a unique dilemma for the modern urologist. A comprehensive understanding of epidemiological trends along with current provider preferences in treating urinary stones would be beneficial. OBJECTIVE: To review trends in the prevalence, treatments, and costs of urolithiasis worldwide. EVIDENCE ACQUISITION: A literature review was performed using the MEDLINE database, the Cochrane Library Central search facility, Web of Science, and Google Scholar between 1986 and 2016...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28717547/emphysematous-pyelonephritis-changing-trend-of-clinical-spectrum-pathogenesis-management-and-outcome
#17
Ashok Kumar Sokhal, Manoj Kumar, Bimalesh Purkait, Ankur Jhanwar, Kawaljit Singh, Ankur Bansal, Satyanarayan Sankhwar
OBJECTIVE: To highlight changing trend of clinical spectrum, comparing management options and predictors of outcome of emphysematous pyelonephritis. MATERIAL AND METHODS: This study included patients who were diagnosed as emphysematous pyelonephritis between August, 2001 to July, 2015. We excluded other possible causes of gas in renal system. Baseline patient characteristics, clinical spectrum, serum and urinary biochemical parameters, radiological findings, management and outcomes were recorded...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28717544/is-it-safe-to-prescribe-ascorbic-acid-for-urinary-acidification-in-stone-forming-patients-with-alkaline-urine
#18
Yasser A Noureldin, Alexandrine da Silva, Nader Fahmy, Sero Andonian
OBJECTIVE: To study the effect of ascorbic acid (AA) supplementation on urinary pH, metabolic stone workup parameters, and development of de novo urolithiasis in stone-forming patients. MATERIAL AND METHODS: A retrospective review of the patients followed-up at a tertiary stone centre between September 2009 and October 2015 was performed. Patients with recurrent urolithiasis who received AA supplementation as a urinary acidifying agent were included in the study...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28716570/protective-effects-of-pistacia-lentiscus-l-fruit-extract-against-calcium-oxalate-monohydrate-induced-proximal-tubular-injury
#19
Nassima Cheraft-Bahloul, Cécile Husson, Meriam Ourtioualous, Sébastien Sinaeve, Djebbar Atmani, Caroline Stévigny, Joëlle L Nortier, Marie-Hélène Antoine
ETHNOPHARMACOLOGICAL RELEVANCE: The world prevalence of kidney stones is increasing and plants are frequently used to treat urolithiasis. Pistacia lentiscus L, a plant which freely grows around the Mediterranean basin areas, is widely used for various pathologies. P. lentiscus has an important impact as it has economical value on top of its pharmacological interest. Decoctions of its aerial parts and/or resin are used to treat kidney stones. AIM OF THE STUDY: To in vitro assess the potential nephroprotective effect of Pistacia lentiscus ethanolic fruit extract (PLEF) on proximal tubular cells in response to the adhesion of calcium oxalate monohydrate (COM) crystals...
July 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28705579/melamine-poisoning-pediatric-urolithiasis-treatment-in-gansu-china-5-yrfollow-up-analysis
#20
Hong Chang, Gongjin Wu, Zhongjin Yue, Junhai Ma, Ze Qin
OBJECTIVES: To investigate the clinical characteristics of urolithiasis children retrospectively who ingested melamine-poisoned formula as infants and report a five-year follow-up analysis. METHODS: Clinical data on 207 patients (mean±SD, 13.6±8.0months) with melamine-induced urolithiasis were retrospectively analyzed. Patients were subdivided into two groups according to treatment. A five-year follow-up study was conducted with 95.7% (198/207) of the children...
July 10, 2017: Urology
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