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https://www.readbyqxmd.com/read/28341578/the-utility-of-the-kidneys-ureters-bladder-kub-radiograph-as-the-sole-imaging-modality-and-its-combination-with-ultrasonography-for-the-detection-of-renal-stones
#1
Toru Kanno, Masashi Kubota, Satoshi Funada, Takashi Okada, Yoshihito Higashi, Hitoshi Yamada
OBJECTIVE: To investigate the efficacy of plain radiography and ultrasonography each as the sole imaging tool as well as combined, for detecting renal stones using unenhanced computed tomography as a standard reference. Ultrasonography and plain radiography of the kidneys, ureters, and bladder are often used for urinary tract stone detection, but the effectiveness of each method used alone, or the two methods used together, remains controversial. MATERIALS AND METHODS: From January 2012 to September 2014, 822 patients underwent plain radiography, ultrasonography, and unenhanced computed tomography on the same day...
March 21, 2017: Urology
https://www.readbyqxmd.com/read/28340540/use-of-the-moses-technology-to-improve-holmium-laser-lithotripsy-outcomes-a-preclinical-study
#2
Mostafa M Elhilali, Shadie Badaan, Ahmed Ibrahim, Sero Andonian
OBJECTIVE: To evaluate in vitro and in vivo effects of Moses technology in Holmium laser and to compare it with the Regular mode in terms of lithotripsy efficiency and laser-tissue interactions. METHODS: The Lumenis® PulseTM P120H holmium laser system together with Moses D/F/L fibers were used to compare Regular mode with the Moses modes in stone retropulsion using a high-speed camera, and stone ablation efficiency. In addition, a porcine ureteroscopy model was used to assess stone fragmentation and dusting as well as laser-tissue interaction with the ureteral wall...
March 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28338351/worldwide-impact-of-warmer-seasons-on-the-on-the-incidence-of-renal-colic-and-kidney-stone-disease-ksd-evidence-from-a-systematic-review-of-literature
#3
Robert Geraghty, Silvia Proietti, Olivier Traxer, Matthew Archer, Bhaskar K Somani
INTRODUCTION: Several studies have examined the link between temperature or monthly-seasonal variations and urolithiasis. The majority of these studies have demonstrated a link between higher ambient monthly temperatures and the incidence of renal colic and kidney stone disease (KSD). However a worldwide trend on this association has not been explored and we perform a systematic review to examine the effect of seasonal variations on renal colic and KSD. MATERIALS AND METHODS: A systematic review of literature over a 26-year period (1990-2017) was conducted on all studies reporting on the effect of seasonal variations and its link to KSD...
March 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28338309/impact-of-personalized-three-dimensional-3d-printed-pelvicalyceal-system-models-on-patient-information-in-percutaneous-nephrolithotripsy-surgery-a-pilot-study
#4
Hasan Anil Atalay, H Lütfi Canat, Volkan Ülker, İlter Alkan, Ünsal Özkuvanci, Fatih Altunrende
OBJECTIVE: To investigate the impact of personalized three dimensional (3D) printed pelvicalyceal system models on patient information before percutaneous nephrolithotripsy surgery. MATERIAL AND METHODS: Patients with unilateral complex renal stones with indicatation of percutaneous nephrolithotripsy surgery were selected. Usable data of patients were obtained from CT scans as Digital Imaging and Communications in Medicine (DICOM) format. Mimics software version 16...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28331214/antihypertensive-medications-and-the-risk-of-kidney-stones-in-older-adults-a-retrospective-cohort-study
#5
R Todd Alexander, Eric McArthur, Racquel Jandoc, Blayne Welk, Jade S Hayward, Arsh K Jain, Branko Braam, Veit Flockerzi, Amit X Garg, Robert Ross Quinn
Antihypertensives are widely prescribed and could influence kidney stone risk by altering urinary calcium excretion. However, the impact of different classes of antihypertensives on kidney stone risk is unknown. To assess this impact, we conducted a retrospective, population-based cohort study using linked health administrative databases. Individuals aged >65 years who initiated one of the four antihypertensive classes (that is, angiotensin-converting enzyme inhibitors (ACEis)/angiotensin receptor blockers (ARBs), beta-blockers, calcium channel blockers or thiazide diuretics) were included...
March 23, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28328233/long-term-neurodevelopmental-outcome-of-neonates-with-hypernatremic-dehydration
#6
Hassan Boskabadi, Javad Akhondian, Maliheh Afarideh, Gholamali Maamouri, Sepideh Bagheri, Seyyed Mostafa Parizadeh, Majid Ghayour Mobarhan, Shabnam Mohammadi, Gordon A A Frens
BACKGROUND: Neonatal hypernatremic dehydration (NHD) is a dangerous condition that can lead to severe weight loss, renal impairment, and central nervous system complications. We aimed to evaluate the consequences of NHD in infants in their second year of life. MATERIALS AND METHODS: This was a prospective case-control study in Ghaem hospital, Mashhad, Iran. Sixty-five healthy breastfed neonates (serum sodium concentration <150 mmol/L) and 65 hypernatremic (serum sodium concentration ≥150 mmol/L) neonates were followed up from 2008 to 2011...
March 22, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28322584/editorial-comment-on-end-2016-0851-ra-r1
#7
Sara L Best
In their meta-analysis, Jones and colleagues found that bilateral synchronous PCNL was associated with similar stone free outcomes and complication rates as those reported for unilateral PCNL. The authors do an excellent job in emphasizing that BS-PCNL has primarily been reported by high volume centers. Previous investigations have demonstrated that PCNL outcomes are better and complication rates are lower at high volume centers.(1) Institutions that perform few PCNLs should be cautious about performing simultaneous bilateral procedures as their complication rate may be higher and exposing the patient to acute kidney injury could prove devastating...
March 21, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28321250/percutaneous-nephrolithotomy-under-ultrasound-guidance-in-patients-with-renal-calculi-and-autosomal-dominant-polycystic-kidney-disease-a-report-of-11-cases
#8
Xiao Wang, Xuecheng Yang, Xiulong Zhong, Zhenlin Wang, Senyao Xue, Weifeng Yu, Zhen Dong
Nephrolithiasis accelerates the renal failure in the patients with ADPKD. In order to evaluate the role of percutaneous nephrolithotomy in management of calculus in these patients, 11 patients with autosomal dominant polycystic kidney disease and renal stones were included in the study. Two patients had bilateral renal stones. All patients were treated by percutaneous nephrolithotomy under ultrasound guidance. 13 percutaneous nephrolithotomy procedures were performed in 1 stage by the urology team under ultrasound guidance...
2017: Advances in Urology
https://www.readbyqxmd.com/read/28315456/mechanisms-underlying-the-diuretic-effect-of-gomphrena-celosioides-mart-amaranthaceae
#9
Paulo Cesar de Paula Vasconcelos, Danilo Ramos Spessotto, Jane Vasconcelos Marinho, Marcos José Salvador, Arquimedes Gasparotto Junior, Candida Aparecida Leite Kassuya
ETHNOPHARMACOLOGICAL RELEVANCE: Gomphrena celosioides (Amaranthaceae) is a native medicinal plant found in Mato Grosso do Sul State that is used for treating urinary tract and kidney stones. This study aimed to evaluate the diuretic effects of ethanolic extract from G. celosioides (EEGC) on acute and extended diuresis to provide a pharmacological basis for its use in traditional medicine. AIM OF THE STUDY: To evaluate the diuretic and natriuretic activity of EEGC and its mechanism of action in an animal model...
March 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28299318/application-of-pneumatic-lithotripter-and-holmium-laser-in-the-treatment-of-ureteral-stones-and-kidney-stones-in-children
#10
Marcin Życzkowski, Rafał Bogacki, Krzysztof Nowakowski, Bartosz Muskała, Paweł Rajwa, Piotr Bryniarski, Andrzej Paradysz
Objective. Treatment options for urolithiasis in children include URSL and RIRS. Various types of energy are used in the disintegration of deposits in these procedures. We decided to evaluate the usefulness of URSL and RIRS techniques and compare the effectiveness of pneumatic lithotripters and holmium lasers in the child population based on our experience. Materials and Methods. One hundred eight (108) children who underwent URSL and RIRS procedures were enrolled in the study and divided into two (2) groups according to the type of energy used: pneumatic lithotripter versus holmium laser...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28286070/the-risk-of-chronic-kidney-disease-associated-with-urolithiasis-and-its-urological-treatments-a-review
#11
REVIEW
Giovanni Gambaro, Emanuele Croppi, David Bushinsky, Philippe Jaeger, Adamasco Cupisti, Andrea Ticinesi, Sandro Mazzaferro, Alessandro D'Addessi, Pietro Manuel Ferraro
PURPOSE: Urolithiasis can impair kidney function. This literature review focuses on the risk of kidney impairment in stone formers, the specific conditions associated with this risk and the impact of urological surgery. MATERIALS AND METHODS: The PubMed and Embase databases were searched for publications on urolithiasis, its treatment, and the risk of chronic kidney disease (CKD), end-stage renal disease (ESRD) and nephrectomy in stone formers. RESULTS: In general, renal stone formers carry twice the risk of CKD or ESRD, and for female and overweight stone formers the risk is even higher...
March 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28277037/fruit-extract-of-the-medicinal-plant-crataegus-oxyacantha-exerts-genotoxic-and-mutagenic-effects-in-cultured-cells
#12
Ana Paula Oliveira de Quadros, Dania Elisa Christofoletti Mazzeo, Maria Aparecida Marin-Morales, Fábio Ferreira Perazzo, Paulo Cesar Pires Rosa, Edson Luis Maistro
Crataegus oxyacantha, a plant of the Rosaceae family also known "English hawthorn, haw, maybush, or whitethorn," has long been used for medicinal purposes such as digestive disorders, hyperlipidemia, dyspnea, inducing diuresis, and preventing kidney stones. However, the predominant use of this plant has been to treat cardiovascular disorders. Due to a lack of studies on the genotoxicity of C. oxyacantha, this investigation was undertaken to determine whether its fruit extract exerts cytotoxic, genotoxic, or clastogenic/aneugenic effects in leukocytes and HepG2 (liver hepatocellular carcinoma) cultured human cells, or mutagenic effects in TA100 and TA98 strains of Salmonella typhimurium bacterium...
February 17, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28248023/-pyeloureteral-stenting-using-nitinol-stents
#13
B G Guliev, A M Zagazezhev
AIM: To test the effectiveness of nitinol stents in restoring patency of pyeloureteral segment (PUS). MATERIALS AND METHODS: Endoureteral nitinol stents were used in 54 patients. The indications for stenting were recurrent strictures of upper urinary tract and ureteral tumor obstruction in 34 and 20 patients, respectively. In 9 (16.6%) of them, including 4 women and 5 men aged 28-65 years, stenting was performed for extensive recurrent PUS strictures. In 8 patients extensive strictures resulted from various surgical interventions on the PUS...
November 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28248012/-cytological-evaluation-of-urothelial-damage-in-extracorporeal-shock-wave-lithotripsy
#14
A M Grabsky, E V Manukyan, A A Muradyan
INTRODUCTION: The study proposed a technique for early detection of the damaging effect of shock waves on the urinary tract tissues, for monitoring the state of urothelial cells in the early post-procedure period and choosing an adequate method for preventing and managing possible complications. MATERIALS AND METHODS: The study analyzed the urine samples of 300 patients aged 20 to 50 years, who for the first time underwent ESWL for kidney stones. The urine sediment smears were fixed in the May-Grunwald stain and stained with azure eosin solution according to Pappenheim...
November 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247667/-ultraminipercutaneous-nephrolithotripsy-in-treating-kidney-stones
#15
A G Martov, S V Dutov, A S Andronov
INTRODUCTION: Percutaneous nephrolithotripsy (PNL) is the recommended method of surgical treatment of kidney stones of size greater than 2 cm. Trends in the development of modern urology have been steadily toward less traumatic method to treat nephrolithiasis - minimally invasive PNL. The present work aimed to explore of the possibilities of one of the modern variants of minimally invasive PNL - ultra-mini-PNL in treating nephrolithiasis. MATERIALS AND METHODS: The study included 60 patients (mean age 45...
April 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247656/-litholytic-therapy-for-urate-nephrolithiasis
#16
S Kh Al'-Shukri, M N Slesarevskaya, I V Kuz'min
AIM: To evaluate the effectiveness of ESWL combined with litholytic therapy in patients with uric acid kidney stones. MATERIALS AND METHODS: A total of 59 patients with urate nephrolithiasis were observed at the Department of Urology, First Pavlov SMU of St. Peterburg. The patients were divided into two groups according to the treatment regimen. The study group comprised 30 patients who were administered litholytic therapy before ESWL. The comparison group included 29 patients with nephrolithiasis who underwent ESWL without prior litholytic therapy...
April 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247641/-initial-experience-with-laparoscopic-anatrophic-nephrolithotomy
#17
A D Kochkin, A G Martov, F A Sevryukov, A V Knutov, V P Sergeev
Percutaneous nephrolithotomy is a recognized standard for minimally invasive treatment of large kidney stones. Percutaneous interventions for complete staghorn stones are associated with a higher risk of complications that precludes abandoning the traditional open operations, one of which is an anatrophic nephrolithotomy. This paper presents the first personal experience in laparoscopic transmesenteric anatrophic nephrolithotomy. The intervention was conducted in 3 patients (2 males and 1 female) aged 43 to 58 years, having a primary symptomatic complete left kidney staghorn stones sized from 7...
August 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247629/-percutaneous-nephrolithotripsy-in-patients-after-different-methods-of-urinary-diversion
#18
B G Guliev, E O Stetsik
The study presents the results of percutaneous nephrolithotripsy (PNL) in patients who underwent different methods of urinary diversion. MATERIALS AND METHODS: The study included the results of PNL in 16 patients (study group) with kidney stones who were subjected to different methods of urinary diversion. Earlier, 2 (12.5%) patients underwent bilateral ureterosigmoidostomy for bladder exstrophy, 12 (75%) experienced radical cystectomy with orthotopic ileocystoplasty and 2 (12.5%) - heterotopic cystoplasty...
August 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247628/-choosing-a-method-of-draining-the-upper-urinary-tract-following-percutaneous-nephrolithotripsy
#19
Ju G Alyaev, N A Grigoriev, N I Sorokin, I V Diakonov, S H Ali
PURPOSE: to compare various methods of upper urinary tract drainage in patients with urolithiasis. PATIENTS AND METHODS: 60 patients were included into a prospective study which ran from March 2013 through December 2014. All patients underwent PCNL with a nephrostomy tract diameter of (28-30 Ch.) at the I.M. Sechenov First Moscow State Medical University urology clinic. Patients were divided into 2 groups. Group 1 30 (patients) underwent nephrostomy after PCNL with nephrostomy tract placement, in group 2 (29 patients) internal drainage was performed...
August 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28241103/technical-note-insertion-of-digital-lesions-in-the-projection-domain-for-dual-source-dual-energy-ct
#20
Andrea Ferrero, Baiyu Chen, Zhoubo Li, Lifeng Yu, Cynthia McCollough
PURPOSE: To compare algorithms performing material decomposition and classification in dual energy CT, it is desirable to know the ground truth of the lesion to be analyzed in real patient data. In this work, we developed and validated a framework to insert digital lesions of arbitrary chemical composition into patient projection data acquired on a dual-source, dual-energy CT system. METHODS: A model that takes into account beam hardening effects was developed to predict the CT number of objects with known chemical composition...
February 27, 2017: Medical Physics
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