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https://www.readbyqxmd.com/read/29222575/flexible-ureteroscopy-technique-tips-and-tricks
#1
REVIEW
Steeve Doizi, Olivier Traxer
During the last decades, the surgical management of kidney stones benefited of many technological advances and one of them is the development of flexible ureteroscopy (fURS). This tool, ancillary equipment such as graspers and baskets, and lithotripsy technique with Holmium:YAG laser underwent many improvements leading to a widening of its indications with diagnostic and therapeutic management of upper urinary tract pathologies such as urolithiasis and urothelial tumors. The objective of this review is to describe the surgical technique for fURS as well as tips and tricks for the treatment of renal stones...
December 8, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29218471/rural-environment-study-for-water-from-different-sources-in-cluster-of-villages-in-mehsana-district-of-gujarat
#2
Nitasha Khatri, Sanjiv Tyagi, Deepak Rawtani
Water pollution and water scarcity are major environmental issues in rural and urban areas. They lead to decline in the quality of water, especially drinking water. Proper qualitative assessment of water is thus necessary to ensure that the water consumed is potable. This study aims to analyze the physicochemical parameters in different sources of water in rural areas and assess the quality of water through a classification system based on BIS and CPCB standards. The classification method has defined water quality in six categories, viz...
December 7, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29212373/propensity-score-matched-analysis-comparing-retrograde-intrarenal-surgery-with-percutaneous-nephrolithotomy-for-large-stones-in-patients-with-a-solitary-kidney
#3
Xiaolei Shi, Yonghan Peng, Xiao Li, Qi Wang, Ling Li, Min Liu, Xiaofeng Gao, Yinghao Sun
PURPOSES: To evaluate the clinical efficacy, safety, and cost of retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy (PCNL) in the treatment for large renal stones in patients with a solitary kidney. PATIENTS AND METHODS: In this study, 117 patients with a solitary kidney who had undergone PCNL or RIRS for renal stones larger than 2 cm between January 2010 and December 2016 were retrospectively evaluated. The patients' demographic data, clinical characteristics, and perioperative outcomes were collected through a review of their medical records...
December 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29207740/risk-factors-for-kidney-stones-in-rural-puducherry-case-control-study
#4
Amol R Dongre, M Rajalakshmi, Pradeep R Deshmukh, M R Thirunavukarasu, Ravi Kumar
Introduction: Renal stone is a distressing chronic condition which is getting common across the world. The rigorous evidence on multiple risk factors of kidney stone from a single study is limited. Aim: To find out the social and dietary risk factors responsible for the occurrence of kidney stone in a local community in rural Puducherry, India. Materials and Methods: It was a hospital-based unmatched case-control study. Based on existing information, a sample of 70 cases and 140 controls was calculated and considered adequate...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29206824/-approach-to-percutaneous-nephrolithotomy-comparison-of-the-procedure-in-a-one-shot-versus-the-sequential-with-metal-dilata
#5
Ismael Sedano-Portillo, Gastón Ochoa-León, Clotilde Fuentes-Orozco, Leire Irusteta-Jiménez, Luis Rodrigo Michel-Espinoza, Marcela Salazar-Parra, Lizbeth Cuesta-Márquez, Alejandro González-Ojeda
INTRODUCTION: Percutaneous nephrolithotomy is an efficient approach for treatment of different types of kidney stones. Various types of access techniques have been described like sequential dilatation and one-shot procedure. OBJECTIVE: To determine the differences in time of exposure to X-rays and hemoglobin levels between techniques. METHODS: Controlled clinical trial. Patients older than 18 years with complex/uncomplicated kidney stones, without urine infection were included...
November 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/29204517/proteomic-analysis-of-aqp11-null-kidney-proximal-tubular-type-polycystic-kidney-disease
#6
Tatsuya Saito, Yasuko Tanaka, Yoshiyuki Morishita, Kenichi Ishibashi
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is caused by the mutation of polycystins (PC-1 or PC-2), in which cysts start from the collecting duct to extend to all nephron segments with eventual end stage renal failure. The cyst development is attenuated by a vasopressin V2 receptor antagonist tolvaptan which, however, will not affect proximal tubule cysts devoid of V2 receptor. Aquaporin-11 (AQP11) is expressed selectively in the proximal tubule of the kidney and AQP11-null kidneys have a disruptive PC-1 trafficking to the plasma membrane to develop polycystic kidneys...
March 2018: Biochemistry and Biophysics Reports
https://www.readbyqxmd.com/read/29204238/crossed-fused-renal-ectopia-case-report-and-review-of-the-literature
#7
Anna Mudoni, Francesco Caccetta, Maurizio Caroppo, Fernando Musio, Antonella Accogli, Maria Dolores Zacheo, Maria Domenica Burzo, Vitale Nuzzo
Crossed fused renal ectopia is a rare congenital anomaly, and is mostly detected incidentally. A 45-year-old man, during investigation for recurrent abdominal pain, was found to have an empty left renal fossa and right crossed renal ectopia with fusion on ultrasonography. In the present case, there were no abnormalities and/or alteration of the renal function. Abdominal tomography scan with contrast medium confirmed the diagnosis. Ectopic kidney is often associated with other abnormal situations such as agenesis, vascular malformation, incontinence, a palpable abdominal mass, urinary tract infection, high incidence of stone formation, and genital anomalies...
December 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/29202723/changes-in-urinary-risk-profile-after-short-term-low-sodium-and-low-calcium-diet-in-recurrent-swiss-kidney-stone-formers
#8
Harald Seeger, Andrea Kaelin, Pietro M Ferraro, Damian Weber, Philippe Jaeger, Patrice Ambuehl, William G Robertson, Robert Unwin, Carsten A Wagner, Nilufar Mohebbi
BACKGROUND: Kidney stone disease is common in industrialized countries. Recently, it has attracted growing attention, because of its significant association with adverse renal outcomes, including end stage renal disease. Calcium-containing kidney stones are frequent with high recurrence rates. While hypercalciuria is a well-known risk factor, restricted intake of animal protein and sodium, combined with normal dietary calcium, has been shown to be more effective in stone prevention compared with a low-calcium diet...
December 4, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29201513/comparison-of-the-outcomes-of-complete-supine-percutaneous-nephrolithotomy-in-patients-with-radiopaque-and-radiolucent-kidney-stones
#9
Siavash Falahatkar, Gholamreza Mokhtari, Atiyeh Amin, Ehsan Kazemnezhad, Samaneh Esmaeili, Nadia Rastjou Herfeh, Reza Falahatkar
Objective: This study compared the stone opacity effect in patients who had radiopaque and radiolucent stones in percutaneous nephrolithotomy (PCNL) results. Material and methods: The medical records of 171 complete supine PCNL procedures were gathered. Patients were categorized into two groups: those with radiopaque (n=141) and those with radiolucent (n=30) stones. Kidney, ureter and bladder x-ray was done a day after PCNL and Ultrasound imaging was done two weeks later to evaluate the stone free rate...
December 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29198849/oxalate-degrading-enzyme-recombined-lactic-acid-bacteria-strains-reduce-hyperoxaluria
#10
Chenming Zhao, Huan Yang, Xiaojing Zhu, Yang Li, Ning Wang, Shanfu Han, Hua Xu, Zhiqiang Chen, Zhangqun Ye
OBJECTIVE: To develop recombinant lactic acid bacteria (LAB) strains that express oxalate-degrading enzymes through biotechnology-based approach for the treatment of hyperoxaluria by oral administration. MATERIAL AND METHODS: The coding gene of oxalate decarboxylase (ODC) and oxalate oxidase (OxO) was transformed into Lactococcus lactis MG1363. The oxalate degradation ability in vitro was evaluated in media with high concentration of oxalate. Hyperoxaluria rat models through high oxalate diet were given recombinant LAB through oral administration...
November 30, 2017: Urology
https://www.readbyqxmd.com/read/29198396/no-stone-unturned-the-presence-of-kidney-stones-in-a-skeleton-from-19th-century-peoria-illinois
#11
Thomas C Jaskowiec, Anne L Grauer, Michael Lee, Sean Rajnic
During the excavation of the 19th century Peoria City Cemetery (Peoria, Illinois), a skeleton of a female, aged 20-30 years old, was found with large, bilateral calcified masses in the abdominal region. The masses were analyzed by Fourier transform infrared (FTIR) spectroscopy, and the results compared to published clinical data in an effort to determine the etiology of the stones. The calcified masses were determined to be staghorn struvite uroliths, which commonly result from chronic urinary tract infection and likely impacted the overall health of this individual...
December 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/29196385/characteristic-and-outcome-of-psoriatic-arthritis-patients-with-hyperuricemia
#12
Roa'A AlJohani, Ari Polachek, Justine Yang Ye, Vinod Chandran, Dafna D Gladman
OBJECTIVE: To determine the characteristics of patients with psoriatic arthritis (PsA) who have hyperuricemia (HUC) and their outcomes, especially cardiovascular (CVD) and kidney diseases. METHODS: Patients have been followed prospectively at the PsA clinic according to a standard protocol at 6- to 12-month intervals. We defined HUC in men > 450 μmol/l or women > 360 μmol/l. We matched patients with HUC based on sex and age ± 5 years with normal uric acid patients...
December 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29195830/retrograde-intrarenal-surgery-using-ureteral-access-sheaths-is-a-safe-and-effective-treatment-for-renal-stones-in-children-weighing-20%C3%A2-kg
#13
Alfredo Berrettini, Luca Boeri, Emanuele Montanari, Mirella Mogiatti, Pietro Acquati, Elisa De Lorenzis, Andrea Gallioli, Erika Adalgisa De Marco, Dario Guido Minoli, Gianantonio Manzoni
INTRODUCTION: Surgical treatment of pediatric kidney stones has changed dramatically in recent years because of the miniaturization of surgical instruments and the availability of intracorporeal lithotripters. The retrograde intrarenal surgery (RIRS) technique is nowadays considered an effective and safe procedure but studies in very young children are lacking and use of a ureteral access sheath (UAS) has also been debated. OBJECTIVE: To assess safety and efficacy of RIRS using UAS in children weighing < 20 kg...
November 11, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29195423/evaluation-of-an-experimental-electrohydraulic-discharge-device-for-extracorporeal-shock-wave-lithotripsy-pressure-field-of-sparker-array
#14
Guangyan Li, Bret A Connors, Ray B Schaefer, John J Gallagher, Andrew P Evan
In this paper, an extracorporeal shock wave source composed of small ellipsoidal sparker units is described. The sparker units were arranged in an array designed to produce a coherent shock wave of sufficient strength to fracture kidney stones. The objective of this paper was to measure the acoustical output of this array of 18 individual sparker units and compare this array to commercial lithotripters. Representative waveforms acquired with a fiber-optic probe hydrophone at the geometric focus of the sparker array indicated that the sparker array produces a shock wave (P+ ∼40-47 MPa, P- ∼2...
November 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/29191630/efficacy-and-safety-of-bivalirudin-in-coronary-artery-disease-patients-with-mild-to-moderate-chronic-kidney-disease-meta-analysis
#15
Xiaofang Zeng, A Michael Lincoff, Stefanie Schulz-Schüpke, Philippe Gabriel Steg, Yedid Elbez, Roxana Mehran, Gregg W Stone, Thomas McAndrew, Jianhui Lin, Xindan Zhang, Wenhai Shi, Han Lei, Zhicheng Jing, Wei Huang
BACKGROUND: Patients with chronic kidney disease (CKD) have elevated bleeding and ischemic outcomes. We aim to assess the short- and long-term efficacy and safety of bivalirudin compared to heparin plus glycoprotein IIb/IIIa inhibitors (GPIs) in coronary artery disease (CAD) patients with CKD. METHODS: Randomized trials were searched in PubMed, Cochrane, and Embase databases up to January 2017. Among the trials retrieved, efficacy endpoints were defined as mortality, myocardial infarction (MI), repeat revascularization, stent thrombosis, and major adverse cardiac events (MACEs)...
November 27, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29190944/alteration-of-exosomes-secreted-from-renal-tubular-epithelial-cells-exposed-to-high-concentration-oxalate
#16
Ziqi He, Xiaofeng Guan, Yunlong Liu, Zhiwei Tao, Quan Liu, Jihua Wu, Yaoliang Deng
Oxalate (Ox) is a metabolic end product that is produced by the kidneys and is associated with several pathological conditions. The accumulation of oxalate in the body is one of the factors that lead to calcium oxalate kidney stones. To simulate the high-concentration Ox environment in vivo, we established an in vitro model of high Ox using renal tubular epithelial (HK-2) cells. Cell viability and proliferation were assessed to evaluate the effects of various concentrations (0, 0.25, 0.5, 1, 2, 4, 5, 8 and 10Mm) of Ox on HK-2 cells to select the optimum concentration and time to extract the exosomes...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29188308/ureteroscopy-from-the-recent-past-to-the-near-future
#17
REVIEW
José Manuel Reis Santos
Stone surgery is one of oldest surgical practices undertaken by man. Hippocrates refused to let his followers "cut for the stone" and it was only in February 1980, when the first human trial of shock wave therapy on a renal stone was performed with success that a new era in minimally invasive treatment (surgery) for stones was opened up and this condemnation was finally resolved in the Hippocratic Oath. Endoscopy, using natural orifices, supported by anaesthesia, incremented by technology and with access to all points along the urinary tract, began by competing with ESWL, but is now the treatment of choice in most cases...
November 29, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29184602/-giant-lithiasis-due-to-urinary-stasis-related-to-ileo-caecal-bladder
#18
Hamza Dergamoun, Zayd El Boukili El Makhoukhi
Bladder exstrophy is a malformation characterized by subumbilical anterior abdominal wall and anterior bladder wall deishence. It affects nearly 30.000-40.000 births per year, with a higher prevalence in boys. External continent urinary diversion creates a long-term outcome. However, it is not devoid of complications. We report the case of a 30-year old female patient who had undergone cystectomy with bladder replaced with ileo-caecal segment for bladder exstrophy 13 years earlier. She was followed up for 5 years and then lost to follow up...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29184229/effect-of-soaking-and-germination-on-physicochemical-and-functional-attributes-of-horsegram-flour
#19
Vanshika Handa, Vikas Kumar, Anil Panghal, Sheenam Suri, Jaspreet Kaur
Horsegram is an underutilized pulse, traditionally used for treating various disorders like kidney stones, diabetes and joint pain. The present study was undertaken to optimize the soaking and germination conditions, to decrease the anti-nutritional factors and at the same time maintaining the nutritional properties of horsegram. Horsegram seeds were soaked for 6, 12 and 18 h followed by germination for 0, 24 and 48 h under different illumination conditions i.e., light and dark respectively. The soaked and germinated samples were dried in laboratory drier at 55 °C until constant moisture was achieved and was further analyzed for various quality attributes...
December 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29183364/unusual-presentations-of-functional-parathyroid-cysts-a-case-series-and-review-of-the-literature
#20
Youssef El-Housseini, Martin Hübner, Ariane Boubaker, Jan Bruegger, Maurice Matter, Olivier Bonny
BACKGROUND: Cysts of parathyroid origin are sometimes encountered and can easily be mistaken as thyroidal cysts. Functional parathyroid cysts, with symptoms and signs of hyperparathyroidism, are rare and may be a diagnostic challenge to clinicians. We report here on three cases of functional parathyroid cysts that illustrate diagnosis difficulties related to unusual clinical presentations in three Caucasian women, including negative parathyroid scintigraphy. CASE PRESENTATIONS: Patient 1, an 87-year-old Caucasian woman presented with confusion and dysphagia...
November 29, 2017: Journal of Medical Case Reports
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