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Kidney stone analysis

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https://www.readbyqxmd.com/read/29773014/investigations-of-phytochemical-constituents-and-their-pharmacological-properties-isolated-from-the-genus-urtica-critical-review-and-analysis
#1
Muhammad Ibrahim, Kanwal Rehman, Aneeza Razzaq, Iqbal Hussain, Tahir Farooq, Amjad Hussain, Muhammad Sajid Hamid Akash
The genus Urtica belongs to the family Urticaceae. The plants of this genus are known as nettles or, quite often, as stinging nettles. These plants can be easily identified by the presence of stinging hairs. Urtica species have previously been used for various medicinal purposes. The history for the use of these plants for medicinal purposes starts from the Bronze Age (3000-2000 BC). Medicinally, the genus Urtica has been used to treat several disorders, such as cancer, rheumatoid arthritis, bronchitis, diarrhea, sprains, kidney stones, urinary tract infection, high blood pressure, hemorrhoids, flu, cough, fever, and ulcers...
2018: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/29761242/safety-and-efficacy-of-benzbromarone-and-febuxostat-in-hyperuricemia-patients-with-chronic-kidney-disease-a-prospective-pilot-study
#2
Haibo Yu, Xinying Liu, Yaxiang Song, Jiafen Cheng, Hui Bao, Ling Qin, Xuan Zhou, Ling Wang, Ai Peng
BACKGROUND: To compare the safety and efficacy of benzbromarone and febuxostat in hyperuricemia patients with estimated glomerular filtration rate (eGFR) 20-60 mL/min/1.73 m2 . METHODS: This study was a single-centered, parallel-grouped, randomized clinical trial (RCT). We randomly assigned hyperuricemia participants with eGFR 20-60 mL/min/1.73 m2 into benzbromarone and febuxostat treatment group. Drugs were adjusted by titration from small doses. RESULTS: Seventy-three eligible participants enrolled, 66 subjects (33 in each group) were included finally for analysis...
May 14, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29761227/outcome-of-flexible-ureteroscopy-for-renal-stone-with-overnight-ureteral-catheterization-a-propensity-score-matching-analysis
#3
Mitsuru Komeya, Kimitsugu Usui, Takuo Asai, Takehiko Ogawa, Masataka Taguri, Koshi Kataoka, Masahiro Yao, Junichi Matsuzaki
PURPOSE: To evaluate the influence of overnight ureteral catheterization and determine if routine long-term post-stenting can be avoided in flexible ureterorenoscopy (fURS) procedure for kidney stone. METHODS: Three hundred ninety-three patients who underwent single fURS for kidney stone between January 2013 and June 2016 at a single institute were retrospectively analyzed. The stone-free (SF) and perioperative complication rates in patients with routine long-term post-stenting after fURS (long-term stent group) were compared with those of patients with overnight ureteral catheterization (short-term stent group)...
May 14, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29750296/hyperoside-protects-human-kidney%C3%A2-2-cells-against-oxidative-damage-induced-by-oxalic-acid
#4
Yongliang Chen, Lihong Ye, Wangjian Li, Dongzhang Li, Feng Li
The majority of renal calculi (kidney stones) are calcium stones. Oxidative damage to renal tubular epithelial cells induced by reactive oxygen species (ROS) is the predominant cause of calcium oxalate stone formation. Hyperoside (Hyp) is a flavonol glycoside extracted from medicinal plants and appears to exhibit potent antioxidant activity in various cells. The aim of the present study was to investigate the protective effect of Hyp on renal cells exposed to oxidative stress simulated by oxalic acid (OA), and to determine whether the underlying mechanism involves the nuclear factor E2‑related factor2 (Nrf2)‑antioxidative response element signaling pathway...
May 2, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29747780/comparison-of-miniaturized-percutaneous-nephrolithotomy-and-flexible-ureterorenoscopy-for-moderate-size-renal-stones-in-elderly-patients
#5
Faruk Ozgor, Fatih Yanaral, Metin Savun, Harun Ozdemir, Ufuk Caglar, Omer Sarilar
Life expectancy has become longer, thus the number of elderly people who require treatment for nephrolithiasis has increased. We aimed to analyze the efficacy of flexible ureterorenoscopy (f-URS) and miniaturized percutaneous nephrolithotomy (mPNL) in the management of 10 and 30 mm renal stones in patients aged >60 years. In prospective non-randomized series, the data of patients who underwent f-URS or mPNL for kidney stones between July 2013 and July 2016 were analyzed. The procedure was accepted as successful if the patient was achieved complete stone clearance according to CT imaging between 1-3 months postoperatively...
June 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29744472/does-quality-of-drinking-water-matter-in-kidney-stone-disease-a-study-in-west-bengal-india
#6
Pubali Mitra, Dilip Kumar Pal, Madhusudan Das
Purpose: The combined interaction of epidemiology, environmental exposure, dietary habits, and genetic factors causes kidney stone disease (KSD), a common public health problem worldwide. Because a high water intake (>3 L daily) is widely recommended by physicians to prevent KSD, the present study evaluated whether the quantity of water that people consume daily is associated with KSD and whether the quality of drinking water has any effect on disease prevalence. Materials and Methods: Information regarding residential address, daily volume of water consumption, and source of drinking water was collected from 1,266 patients with kidney stones in West Bengal, India...
May 2018: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29737631/a-fluid-structure-interaction-fsi-based-numerical-investigation-of-peristalsis-in-an-obstructed-human-ureter
#7
Ahmed Tasnub Takaddus, Prashanta Gautam, Abhilash J Chandy
Urine moves from the kidney to the bladder through the ureter. A series of compression waves facilitates this transport. Due to the highly concentrated mineral deposits in urine, stones are formed in the kidney and travel down through the urinary tract. While passing, a larger stone can get stuck and cause severe damage to ureter wall. Also, stones in the ureter obstructing the urine flow can cause pain and backflow of urine which in turn might require surgical intervention. The current study develops a 2D axisymmetric numerical model in order to gain an understanding of the ureter obstruction and its effects on the flow, which are critical in assessing the different treatment options...
May 8, 2018: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/29737199/steep-infundibulopelvic-angle-ipa-as-a-new-risk-factor-for-flexible-ureteroscope-damage-and-complicated-postoperative-course
#8
Tomasz Ozimek, Jens Cordes, Judith Riccarda Wiessmeyer, Michael Heribert Schneider, Marie Christine Hupe, Nils Gilbert, Axel Stuart Merseburger, Mario Wolfgang Kramer
OBJECTIVE: The increasing number of flexible ureteroscopy (fURS) procedures, the fragility of devices and their growing repair costs represent a substantial burden for urological departments worldwide. No risk factors of flexible ureteroscope damage have been identified so far. The objective of this study was to investigate the impact of infundibulopelvic angle (IPA) on device damage and on other intra- and postoperative factors such as length of hospital stay (LOS), surgical complications, stone-free rate (SFR), operation and fluoroscopy time...
May 8, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29733796/comparison-of-ureteroscopic-pneumatic-lithotripsy-and-extracorporeal-shock-wave-lithotripsy-for-the-management-of-proximal-ureteral-stones-a-single-center-experience
#9
Nadeem Iqbal, Yashfeen Malik, Utbah Nadeem, Maham Khalid, Amna Pirzada, Mehr Majeed, Hajra Arshad Malik, Saeed Akhter
OBJECTIVE: To evaluate and compare the effectiveness of ureteroscopic (URS) pneumatic lithotripsy versus extracorporeal shock wave lithotripsy (ESWL) in the management of the proximal ureteral stones in terms of stone- free rates, complications and costs involved. MATERIAL AND METHODS: We included 200 patients in Group 1 who underwent ESWL and 200 patients in Group 2 who underwent URS intervention. We used Modulith SL X lithotripter 3rd generation Storz medical for ESWL group while Swiss pneumatic lithoclast was used to break the stone in the URS group...
May 2018: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29730839/ureteroscopy-is-more-cost-effective-than-shock-wave-lithotripsy-for-stone-treatment-systematic-review-and-meta-analysis
#10
REVIEW
Robert M Geraghty, Patrick Jones, Thomas R W Herrmann, Omar Aboumarzouk, Bhaskar K Somani
INTRODUCTION: A rising incidence of kidney stone disease has led to an increase in ureteroscopy (URS) and shock wave lithotripsy (SWL). Our aim was to compare the cost of URS and SWL for treatment of stones. METHODS: A systematic review and meta-analysis based on Cochrane and PRISMA standards was conducted for all studies reporting on comparative cost of treatment between URS and SWL. The cost calculation was based on factual data presented in the individual studies as reported by the authors...
May 5, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29730204/menopause-and-risk-of-kidney-stones
#11
Megan Prochaska, Eric N Taylor, Gary Curhan
BACKGROUND: Metabolic changes due to menopause may alter urine composition and kidney stone risk but results from prior work on this association have been mixed. We examined menopause and risk of incident kidney stones and changes in 24-hour urine composition in the Nurses' Health Study II. METHODS: We conducted a prospective analysis of 108,639 Nurses' Health Study II participants who provided information on menopause and kidney stones. We used multivariate adjusted Cox proportional hazards models...
May 3, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29729361/predictor-role-of-pre-treatment-resistive-and-pulsatile-indexes-in-success-of-medical-expulsive-therapy-of-ureteral-stones
#12
Güven Erbay, Ahmet Yalçın, Mehmet HamzaGültekin
OBJECTIVE: To investigate the role of renal resistive and pulsatile index levels measured with renal Doppler ultrasonography in predicting the success of medical expulsive treatment in patients with ureteral stones. MATERIAL AND METHODS: The patients admitted to our clinic between January and December 2017 with a ureteral stone of less than 1 cm in diameter were evaluated in terms of their resistive and pulsatile indices obtained using Doppler ultrasonography, and the localization and diameter of their stone and grade of hydronephrosis using computed tomography at the time of admission...
May 2, 2018: Urology
https://www.readbyqxmd.com/read/29725648/nephcure-accelerating-cures-institute-a-multidisciplinary-consortium-to-improve-care-for-nephrotic-syndrome
#13
Debbie S Gipson, David T Selewski, Susan F Massengill, Mary Margaret Modes, Hailey Desmond, Lauren Lee, Elaine Kamil, Matthew R Elliott, Sharon G Adler, Gia Oh, Richard A Lafayette, Patrick E Gipson, Aditi Sinha, Arvind Bagga, Anne Pesenson, Cheryl Courtlandt, Cathie Spino, Richard Eikstadt, Renée Pitter, Samara Attalla, Anne Waldo, Richard Winneker, Noelle E Carlozzi, Jonathan P Troost, Irving Smokler, Mark Stone
Introduction: NephCure Accelerating Cures Institute (NACI) is a collaborative organization sponsored by NephCure Kidney International and the University of Michigan. The Institute is composed of 7 cores designed to improve treatment options and outcomes for patients with glomerular disease: Clinical Trials Network, Data Warehouse, Patient-Reported Outcomes (PRO) and Endpoints Consortium, Clinical Trials Consulting Team, Quality Initiatives, Education and Engagement, and Data Coordinating Center...
March 2018: KI Reports
https://www.readbyqxmd.com/read/29719337/the-impact-of-stone-composition-on-renal-function
#14
Anmar Nassir, Hesham Saada, Taghreed Alnajjar, Jomanah Nasser, Waed Jameel, Soha Elmorsy, Hattan Badr
Background: Nephrolithiasis is a common condition that has various classifications according to stone composition. Stone formation can affect renal function; it can be a strong risk factor for chronic kidney disease (CKD). The main objective of this study is to explore the association between creatinine clearance and different stone compositions. Methods: This is a retrospective cohort study conducted in a tertiary center in Jeddah, Saudi Arabia, between 2005 and 2014...
April 2018: Urology Annals
https://www.readbyqxmd.com/read/29705728/understanding-the-gut-kidney-axis-in-nephrolithiasis-an-analysis-of-the-gut-microbiota-composition-and-functionality-of-stone-formers
#15
Andrea Ticinesi, Christian Milani, Angela Guerra, Franca Allegri, Fulvio Lauretani, Antonio Nouvenne, Leonardo Mancabelli, Gabriele Andrea Lugli, Francesca Turroni, Sabrina Duranti, Marta Mangifesta, Alice Viappiani, Chiara Ferrario, Rossella Dodi, Margherita Dall'Asta, Daniele Del Rio, Marco Ventura, Tiziana Meschi
OBJECTIVES: The involvement of the gut microbiota in the pathogenesis of calcium nephrolithiasis has been hypothesised since the discovery of the oxalate-degrading activity of Oxalobacter formigenes , but never comprehensively studied with metagenomics. The aim of this case-control study was to compare the faecal microbiota composition and functionality between recurrent idiopathic calcium stone formers (SFs) and controls. DESIGN: Faecal samples were collected from 52 SFs and 48 controls (mean age 48±11)...
April 28, 2018: Gut
https://www.readbyqxmd.com/read/29677308/vitamin-d-calcium-or-combined-supplementation-for-the-primary-prevention-of-fractures-in-community-dwelling-adults-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#16
REVIEW
Leila C Kahwati, Rachel Palmieri Weber, Huiling Pan, Margaret Gourlay, Erin LeBlanc, Manny Coker-Schwimmer, Meera Viswanathan
Importance: Osteoporotic fractures result in significant morbidity and mortality. Objective: To update the evidence for benefits and harms of vitamin D, calcium, or combined supplementation for the primary prevention of fractures in community-dwelling adults to inform the US Preventive Services Task Force. Data Sources: PubMed, EMBASE, Cochrane Library, and trial registries through March 21, 2017; references; and experts. Surveillance continued through February 28, 2018...
April 17, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29673945/three-dimensional-texture-analysis-with-machine-learning-provides-incremental-predictive-information-for-successful-shock-wave-lithotripsy-in-patients-with-kidney-stones
#17
Manoj Mannil, Jochen von Spiczak, Thomas Hermanns, Cédric Poyet, Hatem Alkadhi, Christian Daniel Fankhauser
PURPOSE: To determine the predictive value of three-dimensional texture analysis (3D-TA) in computed tomography (CT) images for successful shock wave lithotripsy (SWL) in patients with kidney stones. MATERIAL AND METHODS: Patients with pre and postoperative CT scans, previously untreated kidney stones and a stone diameter of 5-20 mm were included. A total of 224 3D-TA features of each kidney stone, including the attenuation measured in Hounsfield Units (HU), and the clinical variables body mass index (BMI), initial stone size, and skin-to-stone distance (SSD) were analyzed using five commonly used machine learning models...
April 16, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29660680/phase-composition-and-morphological-characterization-of-human-kidney-stones-using-ir-spectroscopy-scanning-electron-microscopy-and-x-ray-rietveld-analysis
#18
Paramita Chatterjee, Arup Chakraborty, Alok K Mukherjee
Pathological calcification in human urinary tract (kidney stones) is a common problem affecting an increasing number of people around the world. Analysis of such minerals or compounds is of fundamental importance for understanding their etiology and for the development of prophylactic measures. In the present study, structural characterization, phase quantification and morphological behaviour of thirty three (33) human kidney stones from eastern India have been carried out using IR spectroscopy (FT-IR), powder X-ray diffraction (PXRD) and scanning electron microscopy (SEM)...
April 9, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29642830/-a-new-strategy-for-enhancing-acanthamoebicidal-activity-with-synthesis-of-nanoflower-of-laurocerausus-officinalis-roemer-cherry-laurel-fruit-extracts
#19
Ayşe Baldemir, Ülkü Karaman, Sadi Yusufbeyoğlu, Ayşe Eken, Nilay Ildız, Selen İlgün, Cemil Çolak, Gamze Kaçmaz, İsmail Öçsoy, Soner Çankaya
Pathogenic Acanthamoeba species often cause infection known as Acanthamoeba keratitis among people who use contact lenses. It is a type of infection that can result in corneal ulceration, visual loss or even blindness, if not treated. There are various therapeutic options available in the treatment of Acanthamoeba infections but they are usually tough treatments with limited efficacy. For instance, hydrogen peroxide (H2 O2 ) is a commonly used contact lens disinfectant which is effective against Acanthamoeba but it is toxic to the cornea...
January 2018: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29629062/clinical-outcomes-of-the-simultaneous-bilateral-percutaneous-nephrolithotomy-pcnl-in-patients-with-kidney-stones-a-prospective-cohort-study
#20
Mohammad Reza Darabi, Salman Soltani, Alireza Akhavan Rezayat, Masoud Yousefi, Mehdi Kashefi, Mahmoud Tavakkoli, Shabnam Mohammadi
Background: Urinary tract stones is one of the most frequent medical emergencies which leads to life-threatening complications, namely obstructive uropathy as well as renal failure in some situations. Previously, bilateral stones were treated with either open surgery or percutaneous nephrolithotomy (PCNL). However, these treatment options were associated with lengthy operation time, need for more anesthesia, further bleeding, and long hospitalization. Therefore, much effort has been made to treat both sides simultaneously...
February 2018: Electronic Physician
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