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https://www.readbyqxmd.com/read/27717781/1-3-%C3%A3-d-glucan-testing-is-highly-specific-in-patients-undergoing-dialysis-treatment
#1
Juergen Prattes, Daniel Schneditz, Florian Prueller, Eva Jaindl, Notburga Sauseng, Martin Hoenigl, Gernot Schilcher, Robert Krause
BACKGROUND: The aim of this combined in-vitro and in-vivo study was to investigate whether state of the art dialysis modalities produce false positive serum 1,3-ß-d-Glucan (BDG) levels. METHODS: Dialysis fluid for simulated dialysis treatments was spiked with BDG from different sources. Samples were taken from the dialysate and dialyzer blood compartments at various time points. In addition, serum samples were obtained in three groups of patients without invasive fungal disease: a...
October 4, 2016: Journal of Infection
https://www.readbyqxmd.com/read/25319545/dealing-with-stuck-hemodialysis-catheter-state-of-the-art-and-tips-for-the-nephrologist
#2
REVIEW
Giacomo Forneris, Daniele Savio, Pietro Quaretti, Ilaria Fiorina, Pasqualina Cecere, Marco Pozzato, Marco Trogolo, Dario Roccatello
The term stuck catheter refers to the condition in which a catheter is not removable from a central vein using standard techniques. Although it is a rare complication, in the last few years it has been reported ever more frequently in hemodialysis due to the widespread use of tunneled catheters. Poor knowledge of the correct procedures and limited experience and training of the specialist in facing this problem are the main reasons for catheter internalization. Stuck catheter is often diagnosed by the nephrologist, who should be competent enough to manage this clinical complication...
December 2014: Journal of Nephrology
https://www.readbyqxmd.com/read/25181734/hierarchical-lung-field-segmentation-with-joint-shape-and-appearance-sparse-learning
#3
Yeqin Shao, Yaozong Gao, Yanrong Guo, Yonghong Shi, Xin Yang, Dinggang Shen
Lung field segmentation in the posterior-anterior (PA) chest radiograph is important for pulmonary disease diagnosis and hemodialysis treatment. Due to high shape variation and boundary ambiguity, accurate lung field segmentation from chest radiograph is still a challenging task. To tackle these challenges, we propose a joint shape and appearance sparse learning method for robust and accurate lung field segmentation. The main contributions of this paper are: 1) a robust shape initialization method is designed to achieve an initial shape that is close to the lung boundary under segmentation; 2) a set of local sparse shape composition models are built based on local lung shape segments to overcome the high shape variations; 3) a set of local appearance models are similarly adopted by using sparse representation to capture the appearance characteristics in local lung boundary segments, thus effectively dealing with the lung boundary ambiguity; 4) a hierarchical deformable segmentation framework is proposed to integrate the scale-dependent shape and appearance information together for robust and accurate segmentation...
September 2014: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/24666929/effects-of-music-on-complications-during-hemodialysis-for-chronic-renal-failure-patients
#4
RANDOMIZED CONTROLLED TRIAL
Adalet Koca Kutlu, Ayşe Gül Eren
The study was planned as a case-control study to examine the effects of music on some of the complications experienced by chronic renal failure (CRF) patients during hemodialysis. A total of 60 patients (30 intervention and 30 control) diagnosed with end-stage renal failure undergoing hemodialysis treatment participated in this study. The study was conducted in Manisa Merkez Efendi State Hospital Hemodialysis Unit and Manisa Özel Anemon Hemodialysis between April 2012 and July 2012. The intervention group listened 30 minutes in each session (12 total sessions) Turkish art music at the beginning of the third hour of their hemodialysis sessions...
October 2014: Hemodialysis International
https://www.readbyqxmd.com/read/23868100/modeling-of-oxidized-pth-oxpth-and-non-oxidized-pth-n-oxpth-receptor-binding-and-relationship-of-oxidized-to-non-oxidized-pth-in-children-with-chronic-renal-failure-adult-patients-on-hemodialysis-and-kidney-transplant-recipients
#5
Berthold Hocher, Dominik Oberthür, Torsten Slowinski, Uwe Querfeld, Franz Schaefer, Anke Doyon, Martin Tepel, Heinz J Roth, Hans J Grön, Christoph Reichetzeder, Christian Betzel, Franz P Armbruster
BACKGROUND: The biological properties of oxidized and non-oxidized PTH are substantially different. Oxidized PTH (oxPTH) loses its PTH receptor-stimulating properties, whereas non-oxidized PTH (n-oxPTH) is a full agonist of the receptor. This was described in more than 20 well published studies in the 1970(s) and 80(s). However, PTH oxidation has been ignored during the development of PTH assays for clinical use so far. Even the nowadays used third generation assay systems do not consider oxidation of PTH We recently developed an assay to differentiate between oxPTH and n-oxPTH...
2013: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/23780703/hepatitis-c-virus-infection-in-the-maghreb-region
#6
REVIEW
Sayeh Ezzikouri, Pascal Pineau, Soumaya Benjelloun
Hepatitis C is a global health problem with a worldwide prevalence of about 3% (around 170 million people). Hepatitis C virus (HCV) is major concern in the Maghreb countries, Algeria, Libya, Mauritania, Morocco, and Tunisia, but no detailed description of its epidemiology in the region is available. In the present review, a systematic search was undertaken covering HCV data available in peer-reviewed databases as well as institutional reports and regional conference meeting abstracts from the Maghreb countries...
September 2013: Journal of Medical Virology
https://www.readbyqxmd.com/read/23451044/effect-of-isovolemic-isothermic-hemodialysis-on-cerebral-perfusion-and-vascular-stiffness-using-contrast-computed-tomography-and-pulse-wave-velocity
#7
Ansgar Reising, Saskia Sambale, Frank Donnerstag, Julius J Schmidt, Carsten Hafer, Bernhard M W Schmidt, Jan T Kielstein
BACKGROUND: Patients undergoing hemodialysis treatment have a six-fold increased risk for stroke relative to the general population. However, the effect of hemodialysis on cerebral blood flow is poorly studied and confounding factors like blood pressure and ultrafiltration as well as temperature changes have rarely been accounted for. The aim of our study was to use state-of-the-art technology to evaluate the effect of a single dialysis session on cerebral perfusion as well as on vascular stiffness...
2013: PloS One
https://www.readbyqxmd.com/read/22909001/biological-grafts-for-hemodialysis-access-historical-lessons-state-of-the-art-and-future-directions
#8
REVIEW
Ramanath Dukkipati, Marissa Peck, Rajiv Dhamija, Dirk M Hentschel, Tyler Reynolds, Gautam Tammewar, Todd McAllister
The vast majority of arteriovenous grafts (AVG) have been constructed using expanded polytetrafluoroethylene (ePTFE). While ePTFE grafts have the advantage of being relatively inexpensive and easy to manufacture, distribute, ship, and store, their primary patency rates are disappointing when compared with the native AVF. Though use of arteriovenous fistulas (AVF) in the United States has increased substantially, approximately 25% of hemodialysis patients continue to use AVG as their vascular access. We present here a comprehensive review of biological grafts and their use in hemodialysis vascular access...
March 2013: Seminars in Dialysis
https://www.readbyqxmd.com/read/22894168/cognitive-function-at-2443-%C3%AE-mol-l-creatinine
#9
Sabrina Schneider, Anne-Kathrin Malecki, Olaf Boenisch, Robby Schönfeld, Jan T Kielstein
BACKGROUND: One hallmark of uremia is the impairment of neuro-cognitive function. Anecdotal clinical description from the early days of chronic dialysis therapy impressively illustrates the improvement of those functions by chronic hemodialysis treatment. Fortunately, today, uremia is only rarely observed in industrialized countries as many patients seek medical/nephrological attention prior to the occurrence of deadly complications of uremia. CASE PRESENTATION: We report a rare case of severe uremia and describe the day to day improvement in neuro-cognitive function by dialysis using state of the arte test battery--starting at a serum creatinine of 2443 μmol/l...
2012: BMC Nephrology
https://www.readbyqxmd.com/read/22241633/neurological-complications-of-hemodialysis-state-of-the-art
#10
REVIEW
Maria Antonietta Rizzo, Fabio Frediani, Antonio Granata, Barbara Ravasi, Daniele Cusi, Maurizio Gallieni
Neurological complications frequently affect chronic kidney disease patients. They are important causes of morbidity and mortality. We present a review of neurological complications affecting hemodialysis patients, focusing on classical and new aspects. Neurological complications can be classified as central or peripheral, but they also include other conditions such as muscle and autonomic disorders. Neurological complications in hemodialysis patients are often underdiagnosed and undertreated. Dialysis treatment can modify the clinical pattern and the course of neurological complications, but it may also directly induce some specific, dialysis-related complications...
March 2012: Journal of Nephrology
https://www.readbyqxmd.com/read/22188683/historical-milestones-of-a-long-pathway
#11
REVIEW
Thomas Roy
Hemodiafiltration (HDF), developed from the combination of hemodialysis and hemofiltration, is considered to be the most effective current procedure to remove uremic toxins from the blood of kidney patients. Historically, the clinical use of HDF was for many years limited due to the cost burden related to the large amount of sterile volume replacement fluid needed. The solution offered was on-line preparation of replacement fluid from standard dialysate by means of membrane filtration. Industry opened to this concept quite early and worked on various technical solutions between the early 1980s and the late 1990s before real state-of-the-art systems became commercially available on a broad basis...
2011: Contributions to Nephrology
https://www.readbyqxmd.com/read/21999745/anemia-management-in-patients-receiving-chronic-hemodialysis
#12
Mayuri Thakuria, Norma J Ofsthun, Claudy Mullon, Jose A Diaz-Buxo
Anemia treatment in hemodialysis-dependent (HDD) CKD patients involves adequate supply of iron and an erythropoiesis-stimulating agent (ESA). Despite widespread usage of these agents, there is no generally accepted "standard dosing algorithm" for treating anemia in HDD-CKD patients. The new anemia Quality Incentive Program (QIP) introduced by the Centers for Medicare & Medicaid Services represents a motivation to standardize and harmonize iron and ESA regimens with interactive electronic algorithms and novel modes of deliveries for IV iron and ESA doses...
September 2011: Seminars in Dialysis
https://www.readbyqxmd.com/read/21292266/electronegative-low-density-lipoprotein-origin-and-impact-on-health-and-disease
#13
REVIEW
Ana Paula Queiroz Mello, Isis Tande da Silva, Dulcineia Saes Parra Abdalla, Nágila Raquel Teixeira Damasceno
Oxidative modifications in lipoproteins (LP), especially in low-density lipoproteins (LDL), are associated with initiation and progression of atherosclerosis. The levels of a sub-fraction of LDL with oxidative characteristics, named electronegative LDL [LDL(-)], minimally oxidized LDL, and minus LDL, are known to be increased in subjects with familial hypercholesterolemia, hypertriglyceridemia, nonalcoholic steatohepatitis, diabetes mellitus, coronary artery disease, patients undergoing hemodialysis, and athletes after aerobic exercise...
April 2011: Atherosclerosis
https://www.readbyqxmd.com/read/21050090/hemodialysis-machine-technology-a-global-overview
#14
REVIEW
Hans-Dietrich Polaschegg
The market for hemodialysis machines, the background, the current products of manufacturers and the features of hemodialysis machines are described in this article. In addition to the established companies and their products, Chinese manufacturers, and new developments for home hemodialysis, are outlined based on publications available on the internet and patent applications. Here, a critical review of the state of the art questions the medical usefulness of high-tech developments, compared with the benefits of more frequent and/or longer dialysis treatment with comparable simple machines...
November 2010: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/20938121/hemodiafiltration-state-of-the-art
#15
Francesco Locatelli, Celestina Manzoni, Sara Viganò, Andrea Cavalli, Salvatore Di Filippo
Many observational studies have consistently shown that high-flux hemodialysis (hf-HD) has positive effects on the survival and morbidity of chronic kidney disease stage 5 dialysis (CKD5D) patients when compared with low-flux hemodialysis, but the primary analysis of the prospective randomized Hemodialysis Outcomes (HEMO) study showed that the use of hf-HD was not associated with a significant reduction of the relative risk of mortality. More recently, the Membrane Permeability Outcome (MPO) study found that survival could be significantly improved by use hf-HD compared with low-flux dialysis in high-risk patients as identified by serum albumin ≤4 g/dl and, in a post-hoc analysis, in diabetic patients...
2011: Contributions to Nephrology
https://www.readbyqxmd.com/read/19807288/-kidney-and-liver-support-therapies-state-of-the-art-methods
#16
REVIEW
Thomas Roy, Jörg Vienken, Peter Wabel
Today, worldwide approximately 1.5 million uremic patients owe their lives to hemodialysis. This figure will increase further by a growth rate of 6% annually reflecting a necessary increasing high interest in innovative technologies as well as in individualized therapies in this area. The main focus of developmental efforts, today and in the future, is to adapt the therapy to the specific physiological conditions of kidney patients, e.g., by means of a precise control of body water and its removal. This can be precisely monitored by bioimpedance analyses...
October 2009: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/19726117/five-decades-of-indian-nephrology-a-personal-journey
#17
Kirpal S Chugh
Impressive accomplishments have been made in Indian nephrology during the last 5 decades. The first renal biopsy performed in 1956 ushered in a new era of modern nephrology practice in India and led to the recognition of nephrology as a distinct specialty. The first hemodialysis facility was established in 1961; presently, there are 950 nephrologists, 850 hospitals equipped with dialysis facilities, and 170 institutions recognized for kidney transplantation, with approximately 3,500 transplantations performed every year...
October 2009: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/19473605/the-evaluation-of-a-successful-home-hemodialysis-program-establishing-a-prospective-framework-for-quality
#18
REVIEW
P Komenda, C Chan, R P Pauly, A Levin, M Copland, A Pierratos, M M Sood et al.
A mounting body of clinical data and purported quality of life benefits has been primarily responsible for a renewed interest in programs providing longer more frequent home hemodialysis. As novel forms of home hemodialysis (HHD) like nocturnal (nightly) home hemodialysis (NHD) move from strictly the academic "experimental" arenas to potentially the preferred renal replacement modality for patients, it will be necessary for programs to plan and evaluate standardized metrics for program quality. This will be essential for smaller, less experienced centers to gauge their outcomes against larger, more established programs...
May 2009: Clinical Nephrology
https://www.readbyqxmd.com/read/19406965/stent-placement-in-hemodialysis-access-historical-lessons-the-state-of-the-art-and-future-directions
#19
REVIEW
Alexander Yevzlin, Arif Asif
Vascular access stenosis in patients undergoing chronic hemodialysis is a major issue that is associated with increased morbidity, mortality, and cost of medical care. Recent data have emphasized that endovascular stents could be used in the treatment of central as well as peripheral stenotic lesions. In general, a peripheral or central vein lesion that is elastic or recurs within a three-month period after an initially successful balloon angioplasty or a stenosis where surgical revision is not possible are some indications for intravascular stent placement...
May 2009: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/19169021/bioimpedance-analysis-in-dialysis-state-of-the-art-and-what-we-can-expect
#20
James Tattersall
Dialysis must control the body's fluid content accurately in order to maintain optimal health. The only commonly used, practical and objective measurements we have to guide fluid removal are very inaccurate. Recent study has validated bioimpedance (BIA) as an objective measure of fluid and nutritional status in dialysis patients. There are a number of different methods suitable for routine use available to the clinician. Single-frequency whole-body BIA uses inexpensive equipment capable of almost instantaneous or continuous measurement...
2009: Blood Purification
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