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Eric P Raffin, Kristina L Penniston, Jodi A Antonelli, Davis P Viprakasit, Timothy D Averch, Vincent G Bird, Ben H Chew, Sri Sivalingam, Roger L Sur, Stephen Y Nakada, Vernon M Pais
INTRODUCTION: It is unknown whether benefits of medical management of urolithiasis outweigh potential side effects of utilized medications including potassium citrate (Kcit) and thiazide diuretics. Therefore, we sought to evaluate the relationship between Kcit or thiazides and overall stone-related health related quality of life (HRQOL). METHODS: Using cross-sectional data from stone forming enrollees in the North American Stone Quality of Life Consortium, we used the Wisconsin Stone Quality of Life questionnaire (WISQOL) to compare HRQOL between patients treated and not treated with Kcit or thiazide type diuretics...
June 15, 2018: Journal of Urology
Spencer Lewis, Rajiv N Srinivasa, Jeffrey Forris Beecham Chick, Kate H Kraft, Casey A Dauw, Ravi N Srinivasa
Recurrent urolithiasis is a common and potentially morbid complication of spina bifida. Although the size, the location, and the composition of these stones often necessitates percutaneous intervention, access is often complicated by body habitus and spinal deformity. There is little consensus regarding the approach to percutaneous lithotripsy when a clear path to the collecting system is unavailable, particularly in the setting of surgically augmented urological anatomy. Here we present the first known case in which a pediatric patient with spina bifida underwent percutaneous lithotripsy of bladder stones via a transpsoas approach...
April 2018: Radiology Case Reports
Ammar AlLugami, Kerstin von Pückler, Marlene Sickinger
In male small ruminants, voiding disturbances are not uncommon. A precise knowledge of the underlying disease is essential for prognostic evaluation as well as for a decision concerning the therapeutic approach. Common reasons for voiding disturbances in the male small ruminant are obstructive urolithiasis, traumata of the penis or inflammatory processes within the urethra or urinary bladder. The diagnostic method of choice - in addition to clinical examination - is diagnostic imaging. Because radiology is not always possible under field conditions, the aim of this article is a detailed presentation of ultrasonography of the distal urethra of the male lamb...
June 2018: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
A Yu Tsukanov, D S Akhmetov, A I Blesman, E A Rogachev
INTRODUCTION: Encrustation and biofilm formation is a clinical problem occurring with indwelling urinary drainage devices routinely used in urological practice. AIM: To investigate the impact of ureteral stent surface on encrustation and biofilm formation. MATERIALS AND METHODS: Polyurethane stents of two manufacturers were examined using the scanning electron microscopy and scanning probe microscopy before use and three weeks after their initial ureteral placement in patients with no evidence of a urinary tract infection and urolithiasis...
May 2018: Urologii︠a︡
Yu G Alyaev, N K Dzeranov, S B Khokhlachev, V V Borisov, D N Fiev, Yu L Demidko, A V Proskura, M V Yurova
INTRODUCTION: Traditionally, evaluation of the split renal function is performed using nephroscintigraphy. However, as shown in several studies, there might be quite significant inaccuracy in the interpretation of dynamic nephroscintigraphy results. But due to the lack of alternative methods for evaluation of split renal function, nephroscintigraphy remains the method of choice. AIM: To investigate the feasibility of digital analysis of contrast-enhanced MSCT imaging for evaluation of the split renal function...
May 2018: Urologii︠a︡
L S Demidko, V I Rudenko, V A Grigoryan, Yu L Demidko, M E Enikeev, Zh Sh Inoyatov, M V Amosova
RELEVANCE: The prevalence of urolithiasis and osteoporosis (OP) indicates that these diseases may be found concurrently in the same patient. The detection of risk factors for OP and disorders of calcium metabolism in patients with urolithiasis is of interest in the context of primary stone formation and metaphylaxis. AIM: To identify risk factors for osteoporosis and disorders of calcium metabolism in patients with urolithiasis. MATERIALS AND METHODS: Osteoporosis risk factors were studied in 45 urolithiasis patients undergoing surgical treatment...
May 2018: Urologii︠a︡
Dimitrios Kotsiris, Konstantinos Adamou, Panagiotis Kallidonis
PURPOSE OF REVIEW: Urolithiasis is a very common condition, which can be accompanied by serious complications. Diagnosis, treatment, and prevention are of great cost for the national health systems. Many studies have been published about the role of diet in both stone formation and prevention. The aim of this review is to summarize the most recent developments that correlate diet to lithiasis. RECENT FINDINGS: Recurrent stone formers should undergo metabolic evaluation and stone chemical analysis...
June 11, 2018: Current Opinion in Urology
Selcuk Sarikaya, Ali Unsal, Turgay Ebiloglu, Ridvan Ozbek, G Guvenir, C Senocak, Omer F Bozkurt
OBJECTIVE: Urolithiasis prevalence is 2-20% according to different geographic characteristics in different populations. In this study, we aimed to present the distribution of operation numbers for both percutaneous nephrolithotomy (PCNL) and retrograde intrarenal surgery (RIRS) in terms of age and stone size in order to reveal the changes over the years. METHOD: Between January 2010 and March 2016, 1814 patients were operated for the treatment of renal stones. Patients were directed to the two different operations according to the surgeons' choices: RIRS or PCNL...
June 2018: Archivos Españoles de Urología
Rabea A Gadelkareem, Ahmed A Shahat, Mohamed F Abdelhafez, Ahmed M Moeen, Abdelrady S Ibrahim, Ahmed S Safwat
OBJECTIVES: The study aimed to present our center's experience with long-standing urethral stones in male children with normal urethra. MATERIALS AND METHODS: Retrospective search of our center data was done for the cases of long-standing urethral stones with normal urethra in male children during the period July 2001 - June 2016. Demographic and clinical data were studied. RESULTS: Of more than 54,000 urolithiasis procedures, 17 male children (0...
June 6, 2018: Urologia Internationalis
Konrad Wilhelm, Arkadiusz Miernik, Simon Hein, Daniel Schlager, Fabian Adams, Matthias Benndorf, Benjamin Fritz, Mathias Langer, Albrecht Hesse, Martin Schoenthaler, Jakob Neubauer
OBJECTIVES: To validate AutoMated UroLithiasis Evaluation Tool (AMULET) software for kidney stone volumetry and compare its performance to standard clinical practice. MATERIALS AND METHODS: Maximum diameter and volume of 96 urinary stones were measured as reference standard by three independent urologists. The same stones were positioned in an anthropomorphic phantom and CT scans acquired in standard settings. Three independent radiologists blinded to the reference values took manual measurements of the maximum diameter and automatic measurements of maximum diameter and volume...
June 2, 2018: Journal of Endourology
Lenka Barreto, Jae Hung Jung, Ameera Abdelrahim, Munir Ahmed, Guy P C Dawkins, Marcin Kazmierski
BACKGROUND: Urolithiasis is a condition where crystalline mineral deposits (stones) form within the urinary tract. Urinary stones can be located in any part of the urinary tract. Affected children may present with abdominal pain, blood in the urine or signs of infection. Radiological evaluation is used to confirm the diagnosis, to assess the size of the stone, its location, and the degree of possible urinary obstruction. OBJECTIVES: To assess the effects of different medical and surgical interventions in the treatment of urinary tract stones of the kidney or ureter in children...
June 2, 2018: Cochrane Database of Systematic Reviews
Wen-Chi Chen, San-Yuan Wu, Po-Chi Liao, Tzu-Yang Chou, Huey-Yi Chen, Jen-Huai Chiang, Yuan-Chih Su, Kee-Ming Man, Ming-Yen Tsai, Yung-Hsiang Chen
Salvia miltiorrhiza Bunge (Danshen), a common medicinal plant in traditional Chinese medicine, has been tested effectively to prevent urolithiasis in animals; nevertheless, the clinical application for urolithiasis remains unclear. We thus investigated the clinical effect of Danshen by analyzing the database from the Taiwan National Institute of Health. The cohort "Danshen-users" was prescribed Chinese herb medicine Danshen after the initial diagnosis of calculus. The control group (non-Danshen-users) was not given Danshen after the initial diagnosis of calculus...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
Saritha Ranabothu, Ari P Bernstein, Beth A Drzewiecki
Compared to adults, urolithiasis is less common in children, with a definite rise in incidence, especially among young adults (Tasian et al. in Clin J Am Soc Nephrol 11:488, 2016). In the last 25 years, the incidence in children has increased by approximately 6-10% annually, for reasons still unknown, with an associated significant increase in related health care-related expenditures (Hyams and Matlaga in Transl Androl Urol 3(3):278-83, 2014). It has been shown that there is twice as high a risk of chronic kidney disease (CKD) or end stage renal disease (ESRD) in stone formers compared to non-stone formers (Tasian et al...
May 30, 2018: International Urology and Nephrology
Carlos Alfredo Batagello, Manoj Monga, Aaron W Miller
INTRODUCTION: Urinary stone disease (USD) has known associations with the gut microbiota. Approximately 80% of kidney stones contain oxalate as a primary constituent and diverse oxalate-degrading bacteria exist within the human gut that may protect against USD. While bacteriotherapy represents a promising strategy to eliminate oxalate and reduce the risk of USD, oxalate-degrading probiotics have had limited success. To identify limitations of oxalate-degrading probiotics and refine development of bacteriotherapies to prevent USD, we review the literature associated with the gut microbiota and USD...
May 29, 2018: Journal of Endourology
Uri S Alon
The effects of diuretics on water and electrolyte metabolism are well-established, but less known to the clinician are their effects on bone and mineral metabolism, and in particular on that of calcium homeostasis. In general, and clinically most relevant, diuretics acting at the thick ascending limb of the loop of Henle cause loss of calcium into the urine, thus making them a useful tool in treating hypercalcemia. However the hypercalciuria caused by loop diuretics may lead to the development of urolithiasis and nephrocalcinosis, as well as secondary hyperparathyroidism and bone disease...
March 2018: Pediatric Endocrinology Reviews: PER
Marco Pozzi, Federica Locatelli, Sara Galbiati, Elena Beretta, Carla Carnovale, Emilio Clementi, Sandra Strazzer
BACKGROUND & AIMS: Urolithiasis affects pediatric patients with severe acquired brain injury, in whom the role of several clinical variables and of the presence and composition of enteral nutrition has not been investigated. METHODS: Retrospective chart review on 371 pediatric patients with severe acquired brain injury. We used an essential electronic database to check the association between stones and enteral feeding. We then picked at random paper clinical records until we collected 20 and 20 complete records for patients with/without stones, not matched...
May 14, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Yi-Jui Chang, Chu-Chung Chou, Chin-Fu Chang, Yan-Ren Lin
Gross hematuria is a very common complaint in emergency departments and outpatient clinics. Globally, the incidence of hematuria is 4 per 1000 patients per year. Infection, urolithiasis, and neoplasm are the most common etiologies. However, hematuria rarely causes hypovolemic shock or an emergent, life-threatening condition at the initial presentation. In this report, we describe the case of a 64-year-old man who suffered a life-threatening gross hematuria in a very short time due to ruptured renal arteriovenous malformations (AVMs)...
May 20, 2018: American Journal of Emergency Medicine
Christian Daniel Fankhauser, Nilufar Mohebbi, Josias Grogg, Alexander Holenstein, Qing Zhong, Thomas Hermanns, Tullio Sulser, Johann Steurer, Poyet Cedric
PURPOSE: To evaluate the association of shock-wave lithotripsy (SWL) for kidney stones and hypertension or diabetes. METHODS: Patients with urolithiasis treated by SWL were retrospectively identified. To assess whether shock-wave application to the kidney is associated with long-term adverse effects, patients after SWL for kidney stones were selected as the main group of interest. Patients treated with shock waves for distal ureter stones only were chosen as a comparison group...
May 21, 2018: International Urology and Nephrology
Michael A Maccini, David J Chalmers, Vijaya M Vemulakonda, Jeffrey B Campbell
PURPOSE: Urinary tract infections are relatively common in pediatric patients. Unrecognized bacteriuria at the time of urologic surgery puts patients at increased risk for perioperative complications. Many pediatric urologists obtain preoperative or intraoperative urine cultures prior to surgery, but data are lacking regarding rates and risk factors for positive intraoperative urine cultures. We conducted a retrospective cohort study of patients undergoing pediatric urologic surgery to examine factors associated with positive intraoperative urine cultures...
May 21, 2018: International Urology and Nephrology
Li Yongzhi, Yan Shi, Liu Jia, Liu Yili, Zhu Xingwang, Gong Xue
BACKGROUND: Urinary tract infection (UTI) is very common in patients with urolithiasis, which makes the treatment of urolithiasis complicated, even dangerous. The objective of this study was to determine the risk factors for UTI in patients with urolithiasis. METHODS: Eight hundred six patients with urolithiasis were retrospectively evaluated in the fourth affiliated hospital of China Medical University. All patients admitted to the study were divided into either a UTI infection group or a non-infection group...
May 21, 2018: BMC Urology
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