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https://www.readbyqxmd.com/read/28724609/thy-1-fibroblast-subsets-in-the-human-peritoneum
#1
Edyta Kawka, Janusz Witowski, Maria Bartosova, Rusan Catar, Andras Rudolf, Aurelie Philippe, Rafal Rutkowski, Betti Schaefer, Claus Peter Schmitt, Duska Dragun, Achim Joerres
Fibrotic thickening of the peritoneum develops in patients receiving peritoneal dialysis (PD) for renal failure. For unknown reasons, however, in some patients it progresses to extensive fibrosis that compromises dialysis capacity of the peritoneum. It is increasingly clear that fibroblasts display large heterogeneity not only between but also within tissues. Differential surface expression of glycoprotein Thy-1 (CD90) has been shown to identify functionally distinct fibroblast subsets in several organs. Here, we isolated Thy-1+/- subsets of human peritoneal fibroblasts (HPFB) and analyzed them in terms of pro-fibrotic myofibroblast features...
July 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28715771/a-flow-through-aqueous-standard-generation-system-for-thin-film-microextraction-investigations-of-uv-filters-and-biocides-partitioning-to-different-environmental-compartments
#2
Fardin Ahmadi, Chris Sparham, Janusz Pawliszyn
In this paper problems associated with preparation of aqueous standard of highly hydrophobic compounds such as partial precipitation, being lost on the surfaces, low solubility in water and limited sample volume for accurate determination of their distribution coefficients are addressed. The following work presents two approaches that utilize blade thin film microextraction (TFME) to investigate partitioning of UV filters and biocides to humic acid (dissolved organic carbon) and sediment. A steady-state concentration of target analytes in water was generated using a flow-through aqueous standard generation (ASG) system...
July 14, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28706868/tricuspid-valve-endocarditis
#3
Syed T Hussain, James Witten, Nabin K Shrestha, Eugene H Blackstone, Gösta B Pettersson
Right-sided infective endocarditis (RSIE) is less common than left-sided infective endocarditis (IE), encompassing only 5-10% of cases of IE. Ninety percent of RSIE involves the tricuspid valve (TV). Given the relatively small numbers of TVIE cases operated on at most institutions, the purpose of this review is to highlight and discuss the current understanding of IE involving the TV. RSIE and TVIE are strongly associated with intravenous drug use (IVDU), although pacemaker leads, defibrillator leads and vascular access for dialysis are also major risk factors...
May 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28699526/hydrogel-based-cell-therapies-for-kidney-regeneration-current-trends-in-biofabrication-and-in-vivo-repair
#4
Katja Jansen, Carl C L Schuurmans, Jitske Jansen, Rosalinde Masereeuw, Tina Vermonden
Facing the problems of limited renal regeneration capacity and the persistent shortage of donor kidneys, dialysis remains the only treatment option for many end-stage renal disease patients. Unfortunately, dialysis is only a medium-term solution because large and protein-bound uremic solutes are not efficiently cleared from the body and lead to disease progression over time. Current strategies for improved renal replacement therapies (RRTs) range from whole organ engineering to biofabrication of renal assist devices and biological injectables for in vivo regeneration...
July 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28660184/diabetes-screening-and-prevention-in-a-high-risk-medically-isolated-border-community
#5
Ann V Millard, Margaret A Graham, Nelda Mier, Jesus Moralez, Maria Perez-Patron, Brian Wickwire, Marlynn L May, Marcia G Ory
INTRODUCTION: A project in a Texas border community setting, Prevention Organized against Diabetes and Dialysis with Education and Resources (POD(2)ER), offered diabetes prevention information, screening, and medical referrals. The setting was a large, longstanding flea market that functions as a shopping mall for low-income people. The priority population included medically underserved urban and rural Mexican Americans. Components of the program addressed those with diabetes, prediabetes, and accompanying relatives and friends...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28636137/the-experience-of-waiting-for-a-kidney-transplant-a-qualitative-study
#6
Tania Burns, Ritin Fernandez, Moira Stephens
BACKGROUND: In Australia over 1100 people are living on dialysis while waiting for a kidney transplant from a deceased donor. Worldwide there are an estimated 170,000 people who wait an average of three years before an organ becomes available. OBJECTIVE: To provide an understanding of the lived experience of people waiting on dialysis for a kidney transplant from a deceased donor. APPROACH: A qualitative descriptive research design was used...
June 21, 2017: Journal of Renal Care
https://www.readbyqxmd.com/read/28628467/juvenile-and-adult-onset-systemic-lupus-erythematosus-a-comparative-study-in-a-large-cohort-from-the-spanish-society-of-rheumatology-lupus-registry-relesser
#7
Vicenç Torrente-Segarra, Tarek Carlos Salman Monte, Iñigo Rúa-Figueroa, Fernando Sánchez-Alonso, Francisco Javier López-Longo, María Galindo-Izquierdo, Jaime Calvo-Alén, Alejandro Olivé-Marqués, Jesús Ibañez-Ruán, Loreto Horcada, Ana Sánchez-Atrio, Carlos Montilla, Rafael Benito Melero González, Elvira Díez-Álvarez, Victor Martinez-Taboada, José Luis Andreu, Olaia Fernández-Berrizbeitia, José Ángel Hernández-Beriain, Marian Gantes, Blanca Hernández-Cruz, Ángela Pecondón-Español, Carlos Marras, Gema Bonilla, José M Pego-Reigosa
OBJECTIVES: We aimed to describe juvenile-onset systemic lupus erythematosus (jSLE) features and to establish its differences compared to adult-onset SLE (aSLE) from a large national database. METHODS: Data from patients (≥4 ACR criteria) included in Spanish Society of Rheumatology Lupus Registry (RELESSER) were analysed. Sociodemographic, clinical, serological, activity, treatment, cumulative damage, comorbidities and severity data were collected. Patients with disease onset <18 years were described and compared to those with disease onset ≥18 years...
June 12, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28578687/target-weight-achievement-and-ultrafiltration-rate-thresholds-potential-patient-implications
#8
Jennifer E Flythe, Magdalene M Assimon, Robert A Overman
BACKGROUND: Higher ultrafiltration (UF) rates and extracellular hypo- and hypervolemia are associated with adverse outcomes among maintenance hemodialysis patients. The Centers for Medicare and Medicaid Services recently considered UF rate and target weight achievement measures for ESRD Quality Incentive Program inclusion. The dual measures were intended to promote balance between too aggressive and too conservative fluid removal. The National Quality Forum endorsed the UF rate measure but not the target weight measure...
June 2, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28577502/influence-of-the-environmental-tonicity-perturbations-on-the-release-of-model-compounds-from-large-unilamellar-vesicles-luvs-a-mechanistic-investigation
#9
Iren Yeeling Wu, Nataša Škalko-Basnet, Massimiliano Pio di Cagno
In this work, the influence of environmental tonicity perturbations on the size and release kinetics of model markers from liposomes (calcein and rhodamine) was investigated. Large unilamellar vesicles (LUVs) were prepared from a mixture composed of organic solvents containing dissolved phosphatidylcholine and phosphate buffered saline (PBS, pH 7.4). Organic phase was removed by rotary evaporation and the obtained liposomal dispersions were extruded to reduce the liposomal sizes to approx. 400 nm. The LUVs were exposed to PBS of different tonicity to induce water migration, and consequently, generate an osmotic pressure on the vesicle membranes...
May 26, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28540201/cold-dialysis-and-its-impact-on-renal-patients-health-an-evidence-based-mini-review
#10
REVIEW
Giorgos K Sakkas, Argiro A Krase, Christoforos D Giannaki, Christina Karatzaferi
Chronic renal disease is associated with advanced age, diabetes, hypertension, obesity, musculoskeletal problems and cardiovascular disease, the latter being the main cause of mortality in patients receiving haemodialysis (HD). Cooled dialysate (35 °C-36 °C) is recently employed to reduce the incidence of intradialytic hypotension in patients on chronic HD. The studies to date that have evaluated cooled dialysate are limited, however, data suggest that cooled dialysate improves hemodynamic tolerability of dialysis, minimizes hypotension and exerts a protective effect over major organs including the heart and brain...
May 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28526628/heparin-based-hydrogels-induce-human-renal-tubulogenesis-in-vitro
#11
Heather M Weber, Mikhail V Tsurkan, Valentina Magno, Uwe Freudenberg, Carsten Werner
Dialysis or kidney transplantation is the only therapeutic option for end stage renal disease. Accordingly, there is a large unmet clinical need for new causative therapeutic treatments. Obtaining robust models that mimic the complex nature of the human kidney is a critical step in the development of new therapeutic strategies. Here we establish a synthetic in vitro human renal tubulogenesis model based on a tunable glycosaminoglycan-hydrogel platform. In this system, renal tubulogenesis can be modulated by the adjustment of hydrogel mechanics and degradability, growth factor signaling, and the presence of insoluble adhesion cues, potentially providing new insights for regenerative therapy...
May 17, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28490436/longitudinal-associations-among-renal-urea-clearance-corrected-normalized-protein-catabolic-rate-serum-albumin-and-mortality-in-patients-on-hemodialysis
#12
Rieko Eriguchi, Yoshitsugu Obi, Elani Streja, Amanda R Tortorici, Connie M Rhee, Melissa Soohoo, Taehee Kim, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
BACKGROUND AND OBJECTIVES: There are inconsistent reports on the association of dietary protein intake with serum albumin and outcomes among patients on hemodialysis. Using a new normalized protein catabolic rate (nPCR) variable accounting for residual renal urea clearance, we hypothesized that higher baseline nPCR and rise in nPCR would be associated with higher serum albumin and better survival among incident hemodialysis patients. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Among 36,757 incident hemodialysis patients in a large United States dialysis organization, we examined baseline and change in renal urea clearance-corrected nPCR as a protein intake surrogate and modeled their associations with serum albumin and mortality over 5 years (1/2007-12/2011)...
May 10, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28487345/association-of-parameters-of-mineral-bone-disorder-with-mortality-in-patients-on-hemodialysis-according-to-level-of-residual-kidney-function
#13
Mengjing Wang, Yoshitsugu Obi, Elani Streja, Connie M Rhee, Wei Ling Lau, Jing Chen, Chuanming Hao, Takayuki Hamano, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
BACKGROUND AND OBJECTIVES: The relationship between mineral and bone disorders and survival according to residual kidney function status has not been previously studied in patients on hemodialysis. We hypothesized that residual kidney function, defined by renal urea clearance, modifies the association between mineral and bone disorder parameters and mortality. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: The associations of serum phosphorus, albumin-corrected calcium, intact parathyroid hormone, and alkaline phosphatase with all-cause mortality were examined across three strata (<1...
May 9, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28486233/renal-autotransplantation-with-autologous-saphenous-vein-graft-in-a-patient-with-takayasu-arteritis-and-existing-renal-artery-stent-in-her-solitary-kidney
#14
Hakan Bahadir Haberal, Senol Tonyali, Bora Peynircioğlu, Mustafa Arici, Metin Demircin, Fazıl Tuncay Aki
Takayasu arteritis is a disease that results in the granulomatous inflammation of large vessel walls. Takayasu arteritis is generally observed in young females during the second or third decades of life. This disease is treated by the revascularization of the affected organs either by surgery or by endovascular interventions. In this study, we present a case where renal autotransplantation was performed on a lady with an autologous saphenous vein graft subsequent to numerous previous endovascular interventions for her solitary kidney due to Takayasu arteritis-induced renal artery stenosis...
May 10, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28449953/detection-of-colonization-by-carbapenem-resistant-organisms-by-real-time-polymerase-chain-reaction-from-rectal-swabs-in-patients-with-chronic-renal-disease
#15
T F T Rezende, A M Doi, M G Quiles, A C C Pignatari, S Manfrendi, C Grothe, M Taminato, D A Barbosa
BACKGROUND: Carbapenem-resistant organism (CRO) colonization is a serious problem that increases the risk of infection and contributes to dissemination of antimicrobial resistance in healthcare-associated environments. The risk of acquisition and dissemination of CRO is high in chronic renal failure patients and the surveillance culture is recommended as a component of infection control programmes. AIM: To assess colonization by CRO, comparing phenotypic and molecular-based methods of diagnostics, in rectal swabs in a large population of chronic renal failure patients...
March 24, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28432127/sex-differences-in-hospitalizations-with-maintenance-hemodialysis
#16
Scott V Adams, Matthew Rivara, Elani Streja, Alfred K Cheung, Onyebuchi A Arah, Kamyar Kalantar-Zadeh, Rajnish Mehrotra
Hospitalization is a major source of morbidity among patients with ESRD undergoing maintenance hemodialysis and is a significant contributor to health care costs. To identify subgroups at the highest risk of hospitalization, we analyzed by sex, age, and race, adjusting for demographic and clinical characteristics, the hospitalization rates, and 30-day readmissions for 333,756 hospitalizations among 111,653 patients undergoing maintenance hemodialysis in facilities operated by a large dialysis organization in the United States (2007-2011)...
April 21, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28408714/association-between-peritoneal-glucose-exposure-and-peritonitis-in-peritoneal-dialysis-patients-the-balanz-trial
#17
Melissa Nataatmadja, Yeoungjee Cho, Elaine M Pascoe, Darsy Darssan, Carmel M Hawley, David W Johnson
BACKGROUND: Glucose is the primary osmotic medium used in most peritoneal dialysis (PD) solutions, and exposure to glucose has been shown to exert detrimental effects both locally, at the peritoneal membrane, and systemically. Moreover, high dialysate glucose exposure may predispose patients to an increased risk of peritonitis, perhaps as a result of impaired host defences, vascular disease, and damage to the peritoneal membrane. METHODS: In this post-hoc analysis of a multicenter, multinational, open-label randomized controlled trial of neutral pH, low-glucose degradation product (GDP) versus conventional PD solutions (balANZ trial), the relationship between peritonitis rates of low (< 123...
July 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28405987/cardiorenal-syndrome-clinical-outcome-study
#18
H R Shah, N P Singh, N P Aggarwal, D Singhania, A Kumar
BACKGROUND: Over recent years, the field of medicine has been challenged by the twin epidemic of heart failure and renal insufficiency. The coexistence of the two problems in the same patient, referred to as cardiorenal syndrome (CRS), is defined as 'disorders of the heart and kidneys whereby acute or chronic dysfunction in one organ may induce acute or chronic dysfunction of the other. The mechanisms underlying this interaction are complex and multifactorial in nature. OBJECTIVE OF STUDY: Identify and classify patients admitted with cardiorenal syndrome into various subtypes and assess clinical outcome at discharge and at three months...
December 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28293919/-extracorporeal-liver-support-of-liver-failure
#19
Hans Ulrich Gerth, Michele Pohlen, Hermann Pavenstädt, Hartmut Schmidt
Extracorporeal liver support can be classified into cell-free, artificial methods (artificial liver support, ALS) and cell-based bioartificial methods (bioartificial liver support, BLS). ALS improves biochemical parameters of liver failure by the simultaneous removal of protein-bound and water-soluble substances. Here, the MARS therapy belongs to the most studied methods with a proved beneficial effect on hepatic encephalopathy (HE), hepatorenal syndrome (HRS) or hyperbilirubinemia. However, a general survival advantage of any liver support for liver failure has not been shown yet and is restricted to meta-analyses or patient subgroups...
April 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28248208/extracorporeal-liver-support-systems-in-paediatric-liver-failure
#20
Vandana Jain, Anil Dhawan
Extracorporeal liver support systems (ELSS), encompassing artificial and bioartificial devices, have been used for decades, with the aim of supporting patients with acute liver failure and acute-on chronic liver failure, as a bridge to recovery (acute liver failure only) or liver transplantation, in an era of organ donation shortage. Although biochemical efficacy has been consistently demonstrated by these devices, translation into clinical and survival benefits has been unclear, due to study limitations and lack of reliable prognostic scoring in liver failure...
June 2017: Journal of Pediatric Gastroenterology and Nutrition
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