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https://www.readbyqxmd.com/read/28716631/measures-of-chronic-kidney-disease-and-risk-of-incident-peripheral-artery-disease-a-collaborative-meta-analysis-of-individual-participant-data
#1
Kunihiro Matsushita, Shoshana H Ballew, Josef Coresh, Hisatomi Arima, Johan Ärnlöv, Massimo Cirillo, Natalie Ebert, Jade S Hiramoto, Heejin Kimm, Michael G Shlipak, Frank L J Visseren, Ron T Gansevoort, Csaba P Kovesdy, Varda Shalev, Mark Woodward, Florian Kronenberg
BACKGROUND: Some evidence suggests that chronic kidney disease is a risk factor for lower-extremity peripheral artery disease. We aimed to quantify the independent and joint associations of two measures of chronic kidney disease (estimated glomerular filtration rate [eGFR] and albuminuria) with the incidence of peripheral artery disease. METHODS: In this collaborative meta-analysis of international cohorts included in the Chronic Kidney Disease Prognosis Consortium (baseline measurements obtained between 1972 and 2014) with baseline measurements of eGFR and albuminuria, at least 1000 participants (this criterion not applied to cohorts exclusively enrolling patients with chronic kidney disease), and at least 50 peripheral artery disease events, we analysed adult participants without peripheral artery disease at baseline at the individual patient level with Cox proportional hazards models to quantify associations of creatinine-based eGFR, urine albumin-to-creatinine ratio (ACR), and dipstick proteinuria with the incidence of peripheral artery disease (including hospitalisation with a diagnosis of peripheral artery disease, intermittent claudication, leg revascularisation, and leg amputation)...
July 14, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28716439/renal-cell-carcinoma-unclassified-with-medullary-phenotype-poorly-differentiated-adenocarcinomas-overlapping-with-renal-medullary-carcinoma
#2
Deepika Sirohi, Steven C Smith, Chisato Ohe, Piergiuseppe Colombo, Mukul Divatia, Ema Dragoescu, Priya Rao, Michelle S Hirsch, Ying-Bei Chen, Rohit Mehra, Mahul B Amin
Renal medullary carcinoma (RMC) is a highly aggressive renal cell carcinoma, arising in the collecting system, and requiring careful correlation with status of sickle cell trait. A panel of international experts has recently proposed provisional diagnostic terminology, renal cell carcinoma, unclassified, with medullary phenotype (RCCU-MP), based on encountering an extraordinarily rare tumor with RMC morphology and immunophenotype in an individual proven not to have a hemoglobinopathy. Herein, we extend this observation to a cohort of five such tumors, morphologically similar to RMC, lacking SMARCB1 expression by immunohistochemistry, but each without evidence of a hemoglobinopathy...
July 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28714646/-biopsy-transcriptome-in-kidney-transplantation-ready-for-primetime
#3
Yassine Bouatou, Karine Hadaya
Kidney graft biopsy is the main diagnostic tool used in kidney transplantation to classify disease processes. Graft biopsies are performed at a predetermined time (protocol) or by indication. However, they bear limitations including the interobserver variability. Intragraft transcriptomics has taken the center stage in the field of biomarkers research in kidney transplantation as it might improve disease stratification. Although already included in the international Banff classification, clinical transition has yet to be confirmed in external validation studies...
February 22, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28709600/challenges-in-conducting-clinical-trials-in-nephrology-conclusions-from-a-kidney-disease-improving-global-outcomes-kdigo-controversies-conference
#4
Colin Baigent, William G Herrington, Josef Coresh, Martin J Landray, Adeera Levin, Vlado Perkovic, Marc A Pfeffer, Peter Rossing, Michael Walsh, Christoph Wanner, David C Wheeler, Wolfgang C Winkelmayer, John J V McMurray
Despite the high costs of treatment of people with kidney disease and associated comorbid conditions, the amount of reliable information available to guide the care of such patients is very limited. Some treatments have been assessed in randomized trials, but most such trials have been too small to detect treatment effects of a magnitude that would be realistic to achieve with a single intervention. Therefore, KDIGO convened an international, multidisciplinary controversies conference titled "Challenges in the Conduct of Clinical Trials in Nephrology" to identify the key barriers to conducting trials in patients with kidney disease...
August 2017: Kidney International
https://www.readbyqxmd.com/read/28706580/risk-factors-for-acute-kidney-injury-after-partial-hepatectomy
#5
Luis Cesar Bredt, Luis Alberto Batista Peres
AIM: To identify risk factors for the occurrence of acute kidney injury (AKI) in the postoperative period of partial hepatectomies. METHODS: Retrospective analysis of 446 consecutive resections in 405 patients, analyzing clinical characteristics, preoperative laboratory data, intraoperative data, and postoperative laboratory data and clinical evolution. Adopting the International Club of Ascites criteria for the definition of AKI, potential predictors of AKI by logistic regression were identified...
June 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28705916/biodistribution-and-dosimetry-of-18-f-meta-fluorobenzyl-guanidine-mfbg-a-first-in-human-pet-ct-imaging-study-of-patients-with-neuroendocrine-malignancies
#6
Neeta Pandit-Taskar, Pat B Zanzonico, Kevin D Staton, Jorge A Carrasquillo, Diane Reidy-Lagunes, Serge K Lyashchenko, Eva Burnazi, Hanwen Zhang, Jason S Lewis, Ronald Blasberg, Steven M Larson, Wolfgang Andreas Weber, Shakeel Modak
Introduction: Iodine-123-meta-iodobenzylguanidine ((123)I-MIBG) imaging is currently a mainstay in the evaluation of many neuroendocrine tumors, especially neuroblastoma. (123)I-MIBG imaging has several limitations that can be overcome by the use of a PET agent. (18)F-MFBG is a positron emission tomography (PET) analog of MIBG that may allow for single-day, high-resolution quantitative imaging. We conducted a first-in-human study of (18)F-MFBG PET imaging to evaluate the safety, feasibility, pharmacokinetics, and dosimetry of (18)F-MFBG in neuroendocrine tumors (NETs)...
July 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28705077/fifty-years-of-hemodialysis-access-literature-the-fifty-most-cited-publications-in-the-medical-literature
#7
Edvard Skripochnik, David J O'Connor, Eric B Trestman, Evan C Lipsitz, Larry A Scher
Objectives The modern era of hemodialysis access surgery began with the publication in 1966 by Brescia et al. describing the use of a surgically created arteriovenous fistula. Since then, the number of patients on chronic hemodialysis and the number of publications dealing with hemodialysis access have steadily increased. We have chronicled the increase in publications in the medical literature dealing with hemodialysis access by evaluating the characteristics of the 50 most cited articles. Methods We queried the Science Citation Index from the years 1960-2014...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28705060/usefulness-of-multiparametric-ultrasound-for-evaluating-structural-abnormality-of-transplanted-kidney-can-we-predict-histologic-abnormality-on-renal-biopsy-in-advance
#8
Moon Gyu Yoo, Dae Chul Jung, Young Taik Oh, Sung Yoon Park, Kyunghwa Han
OBJECTIVE: The purpose of this study was to investigate the associations between microscopic abnormalities of transplanted kidneys and sonography-based imaging biomarkers, including elasticity, venous impedance index, arterial resistive index, and size. MATERIALS AND METHODS: Between 2011 and 2015, 159 recipients underwent sonography and biopsy of a transplanted kidney at our institution; 104 adult patients were included in this study. The maximal longitudinal length on gray-scale images, arterial resistive index, and venous impedance index on Doppler images and shear wave velocity on acoustic radiation force impulse imaging or Young modulus on supersonic shear imaging were measured before biopsy...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28704208/hgnet-bcor-tumors-of-the-cerebellum-clinicopathologic-and-molecular-characterization-of-3-cases
#9
Romain Appay, Nicolas Macagno, Laetitia Padovani, Andrey Korshunov, Marcel Kool, Nicolas André, Didier Scavarda, Torsten Pietsch, Dominique Figarella-Branger
The central nervous system (CNS) high-grade neuroepithelial tumor with BCOR alteration (CNS HGNET-BCOR) is a recently described molecular entity. We report 3 new CNS HGNET-BCOR cases sharing common clinical presentation and pathologic features. The 3 cases concerned children aged 3 to 7 years who presented with a voluminous mass of the cerebellum. Pathologic features included proliferation of uniform spindle to ovoid cells with fine chromatin associated with a rich arborizing capillary network. Methylation profiling classified these cases as CNS HGNET-BCOR tumors...
July 12, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28704129/electromagnetic-information-transfer-through-aqueous-system
#10
Alberto Foletti, Mario Ledda, Maria Grazia Lolli, Settimio Grimaldi, Antonella Lisi
Several beneficial effects of the electromagnetic information transfer through aqueous system (EMITTAS) procedure have previously been reported in vitro. The clinical potential of this procedure has also started to be evaluated. Information flow in biological systems can be investigated through chemical and molecular approaches or by a biophysical approach focused on endogenous electrodynamic activities. Electromagnetic signals are endogenously generated at different levels of the biological organization and, likely, play an active role in synchronizing internal cell function or local/systemic adaptive response...
July 13, 2017: Electromagnetic Biology and Medicine
https://www.readbyqxmd.com/read/28701312/inflammation-and-premature-aging-in-advanced-chronic-kidney-disease
#11
Jeroen Kooman, Marijke Dekker, Len A Usvyat, Peter Kotanko, Frank Van der Sande, Casper G Schalkwijk, Paul G Shiels, Peter Stenvinkel
Systemic inflammation in end-stage renal disease (ESRD) is an established risk factor for mortality and a catalyst for other complications which are related to a premature aging phenotype, including muscle wasting, vascular calcification and other forms of premature vascular disease, depression, osteoporosis and frailty. Uremic inflammation is also mechanistically related to mechanisms involved in the aging process, such as telomere shortening, mitochondrial dysfunction, and altered nutrient sensing, which can have direct effect on cellular and tissue function...
July 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28700184/-report-for-the-world-kidney-days-in-italy-2015-2016
#12
REVIEW
Pasquale Esposito, Yuri Battaglia, Elena Caramella, Domenico Russo, Alessandro Balducci
World Kidney Day (WKD) is a global campaign, promoted by International Federation of Kidney Foundations (IFKF) and International Society of Nephrology (ISN) aimed at raising awareness among people on importance of our kidneys. This campaign includes many events across the globe. The main purpose of WKD is to create and spread awareness about preventive behaviours and risk factors for renal diseases. In Italy WKD is organized by the Italian Kidney Foundation (FIR) in collaboration with Italian Society of Nephrology (SIN) and the Red Cross of Italy...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28700111/isotopic-homogeneity-throughout-the-skin-in-small-cetaceans
#13
Marina Arregui, Marta Josa, Alex Aguilar, Asunción Borrell
RATIONALE: Isotope ratios from skin samples have been widely used to study cetacean trophic ecology. Usually, isotopic skin uniformity has been assumed, despite the heterogeneity of this tissue. This study aims to investigate 1) regional isotopic variation within the skin in cetaceans, and 2) isotopic variation among internal tissues. METHODS: Stable carbon (δ(13) C values) and nitrogen (δ(15) N values) isotope ratios were measured in 11 skin positions in 10 common dolphins (Delphinus delphis) and 9 striped dolphins (Stenella coeruleoalba)...
July 12, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28700024/accuracy-of-nursing-diagnosis-readiness-for-enhanced-hope-in-patients-with-chronic-kidney-disease
#14
Renan Alves Silva, Geórgia Alcântara Alencar Melo, Joselany Áfio Caetano, Marcos Venícios Oliveira Lopes, Howard Karl Butcher, Viviane Martins da Silva
Objective: To analyse the accuracy of the nursing diagnosis readiness for enhanced hope in patients with chronic kidney disease. Method: This is a cross-sectional study with 62 patients in the haemodialysis clinic conducted from August to November 2015. The Hearth Hope Scale was used to create definitions of the defining characteristics of the North American Nursing Diagnosis Association International. We analysed the measures of sensitivity, specificity, predictive value, likelihood ratio, and odds ratio of the defining characteristics of the diagnosis...
July 6, 2017: Revista Gaúcha de Enfermagem
https://www.readbyqxmd.com/read/28698338/optimal-cut-points-of-plasma-and-urine-neutrophil-gelatinase-associated-lipocalin-for-the-prediction-of-acute-kidney-injury-among-critically-ill-adults-retrospective-determination-and-clinical-validation-of-a-prospective-multicentre-study
#15
Kristen M Tecson, Elisabeth Erhardtsen, Peter M Eriksen, A Osama Gaber, Michael Germain, Ladan Golestaneh, Maria de Los Angeles Lavoria, Linda W Moore, Peter A McCullough
OBJECTIVES: To determine the optimal threshold of blood and urine neutrophil gelatinase-associated lipocalin (NGAL) to predict moderate to severe acute kidney injury (AKI) and persistent moderate to severe AKI lasting at least 48 consecutive hours, as defined by an adjudication panel. METHODS: A multicentre prospective observational study enrolled intensive care unit (ICU) patients and recorded daily ethylenediaminetetraacetic acid (EDTA) plasma, heparin plasma and urine NGAL...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28697319/renal-medullary-carcinoma-establishing-standards-in-practice
#16
Kathryn E Beckermann, Deva Sharma, Shruti Chaturvedi, Pavlos Msaouel, Miguel R Abboud, Yves Allory, Franck Bourdeaut, Julien Calderaro, Aguirre A de Cubas, Vimal K Derebail, Andrew L Hong, Rakhi P Naik, Gabriel G Malouf, Elizabeth A Mullen, Victor E Reuter, Charles W M Roberts, Cheryl L Walker, Christopher G Wood, Michael R DeBaun, Hendrik Van Poppel, Nizar M Tannir, W Kimryn Rathmell
Although renal medullary carcinoma (RMC) is a rare subtype of kidney cancer, it is particularly devastating in that it is nearly uniformly lethal. No established guidelines exist for the diagnosis and management of RMC. In April 2016, a panel of experts developed clinical guidelines on the basis of a literature review and consensus statements. The goal was to propose recommendations for standardized diagnostic and management approaches and to establish an international clinical registry and biorepository for RMC...
July 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28696355/abcc6-and-pseudoxanthoma-elasticum-the-face-of-a-rare-disease-from-genetics-to-advocacy
#17
REVIEW
Karobi Moitra, Sonia Garcia, Michelle Jaldin, Clementine Etoundi, Donna Cooper, Anna Roland, Patrice Dixon, Sandra Reyes, Sevilay Turan, Sharon Terry, Michael Dean
Pseudoxanthoma elasticum (PXE) is an autosomal recessive disorder characterized by the mineralization of connective tissues in the body. Primary manifestation of PXE occurs in the tissues of the skin, eyes, and cardiovascular system. PXE is primarily caused by mutations in the ABCC6 gene. The ABCC6 gene encodes the trans-membrane protein ABCC6, which is highly expressed in the kidneys and liver. PXE has high phenotypic variability, which may possibly be affected by several modifier genes. Disease advocacy organizations have had a pivotal role in bringing rare disease research to the forefront and in helping to sustain research funding for rare genetic diseases in order to help find a treatment for these diseases, pseudoxanthoma elasticum included...
July 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28694730/topiramate-induced-metabolic-acidosis-and-kidney-stones-a-case-study
#18
Tomas Salek, Ivan Andel, Irena Kurfurstova
INTRODUCTION: The aim of this study is to present a case of 44 years old woman with topiramate induced metabolic acidosis and kidney stones. MATERIALS AND METHODS: The laboratory features of topiramate caused renal tubular acidosis in blood and urine during topiramate treatment, with correction of metabolic acidosis by potassium citrate, and after topiramate withdrawal are presented. Differential diagnosis of all possible causes of metabolic acidosis is discussed...
June 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28693440/serum-lactate-level-and-mortality-in-metformin-associated-lactic-acidosis-requiring-renal-replacement-therapy-a-systematic-review-of-case-reports-and-case-series
#19
Hung-Chieh Yeh, I-Wen Ting, Ching-Wei Tsai, Jenn-Yu Wu, Chin-Chi Kuo
BACKGROUND: The current practice concerning timing, mode, and dose of renal replacement therapy (RRT) in patients with metformin-associated lactic acidosis (MALA) with renal failure remains unknown. To investigate whether serum lactate level and prescription pattern of RRT are associated with mortality in patients with MALA requiring RRT. METHODS: We searched PubMed/Medline and EMBASE from inception to Sep 2014 and applied predetermined exclusion criteria. Case-level data including case's demographics and clinical information related to MALA were abstracted...
July 10, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28689526/tension-free-vaginal-taping-in-pakistani-women-with-stress-urinary-incontinence
#20
Ayesha Saleem
OBJECTIVE: To evaluate the effectiveness and determine the peroperative and postoperative complications of tension-free vaginal tape (TVT) sling for urinary stress incontinence (USI) and contributing factors to complications. STUDY DESIGN: Descriptive study. PLACE AND DURATION OF STUDY: Kidney Centre Postgraduate Institute, Karachi, from January 2009 to December 2010. METHODOLOGY: One hundred consecutive patients underwent TVT as per Ulmsten Technique for urinary stress incontinence and patients were followed for 3 years...
June 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
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