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BMC Nephrology

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https://www.readbyqxmd.com/read/28915863/lifestyle-intervention-to-improve-quality-of-life-and-prevent-weight-gain-after-renal-transplantation-design-of-the-active-care-after-transplantation-act-randomized-controlled-trial
#1
Gerald Klaassen, Dorien M Zelle, Gerjan J Navis, Desie Dijkema, Frederike J Bemelman, Stephan J L Bakker, Eva Corpeleijn
BACKGROUND: Low physical activity and reduced physical functioning are common after renal transplantation, resulting in a reduced quality of life. Another common post-transplantation complication is poor cardio-metabolic health, which plays a main role in long-term outcomes in renal transplant recipients (RTR). It is increasingly recognized that weight gain in the first year after transplantation, especially an increase in fat mass, is a highly common contributor to cardio-metabolic risk...
September 15, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28915857/validity-and-reproducibility-of-a-short-food-frequency-questionnaire-among-patients-with-chronic-kidney-disease
#2
Aurélie Affret, Sandra Wagner, Douae El Fatouhi, Courtney Dow, Emmanuelle Correia, Maryvonne Niravong, Françoise Clavel-Chapelon, Julie De Chefdebien, Denis Fouque, Bénédicte Stengel, Marie-Christine Boutron-Ruault, Guy Fagherazzi
BACKGROUND: A balanced diet is essential to slowing the progression of chronic kidney disease (CKD) and managing the symptoms. Currently, no tool is available to easily and quickly assess energy and macronutrient intake in patients with non end-stage CKD. We aimed to develop and evaluate the validity and reproducibility of a new short 49-item food frequency questionnaire (SFFQ) adapted to patients with CKD. METHODS: The CKD-REIN study is a prospective cohort that enrolled 3033 patients with moderate or advanced CKD from a national sample of nephrology clinics...
September 15, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28899351/association-of-plasma-potassium-with-mortality-and-end-stage-kidney-disease-in-patients-with-chronic-kidney-disease-under-nephrologist-care-the-nephrotest-study
#3
Sandra Wagner, Marie Metzger, Martin Flamant, Pascal Houillier, Jean-Philippe Haymann, François Vrtovsnik, Eric Thervet, Jean-Jacques Boffa, Ziad A Massy, Bénédicte Stengel, Patrick Rossignol
BACKGROUND: Low and high blood potassium levels are common and were both associated with poor outcomes in patients with chronic kidney disease (CKD). Whether such relationships may be altered in CKD patients receiving optimized nephrologist care is unknown. METHODS: NephroTest is a hospital-based prospective cohort study that enrolled 2078 nondialysis patients (mean age: 59 ± 15 years, 66% men) in CKD stages 1 to 5 who underwent repeated extensive renal tests including plasma potassium (PK) and glomerular filtration rate (GFR) measured (mGFR) by (51)Cr-EDTA renal clearance...
September 12, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28893206/efficacy-of-blood-flow-restriction-exercise-during-dialysis-for-end-stage-kidney-disease-patients-protocol-of-a-randomised-controlled-trial
#4
Matthew J Clarkson, Steve F Fraser, Paul N Bennett, Lawrence P McMahon, Catherine Brumby, Stuart A Warmington
BACKGROUND: Exercise during haemodialysis improves strength and physical function. However, both patients and clinicians are time poor, and current exercise recommendations add an excessive time burden making exercise a rare addition to standard care. Hypothetically, blood flow restriction exercise performed during haemodialysis can provide greater value for time spent exercising, reducing this time burden while producing similar or greater outcomes. This study will explore the efficacy of blood flow restriction exercise for enhancing strength and physical function among haemodialysis patients...
September 11, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28886703/factors-associated-with-foot-ulceration-and-amputation-in-adults-on-dialysis-a-cross-sectional-observational-study
#5
Michelle R Kaminski, Anita Raspovic, Lawrence P McMahon, Katrina A Lambert, Bircan Erbas, Peter F Mount, Peter G Kerr, Karl B Landorf
BACKGROUND: Adults on dialysis are at increased risk of foot ulceration, which commonly precedes more serious lower limb complications, including amputation. Limited data exist regarding the prevalence and factors associated with foot disease in this population. Hence, this study set out to investigate factors associated with foot ulceration and amputation in a dialysis cohort. METHODS: This study presents a cross-sectional analysis of baseline data from a multi-center prospective cohort study...
September 8, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28882126/predictors-of-acute-renal-injury-study-paris-among-hiv-positive-individuals-design-and-methods
#6
Celia P Corona-Villalobos, Michael G Shlipak, Adrienne Tin, Chirag Parikh, Richard D Moore, Eric Vittinghoff, Jose Manuel Monroy-Trujillo, Mohamed G Atta, Michelle M Estrella
BACKGROUND: Acute kidney injury (AKI), which is common among HIV-positive individuals, may contribute to the excess burden of chronic kidney disease (CKD) in this patient population; however, conventional clinical methods to detect AKI do not capture kidney injury sufficiently early to prevent irreversible damage. Further, large observational and interventional studies of AKI generally exclude HIV-positive persons in spite of their disproportionate risk. METHODS: The Predictors of Acute Renal Injury Study (PARIS) is a prospective observational cohort study among HIV-positive individuals established to determine the ability of candidate kidney injury biomarkers to predict future hospitalized clinical AKI, to characterize hospitalized subclinical AKI, and to discern the risk of progressive kidney disease following subclinical and clinical AKI...
September 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28882114/associations-of-genetic-variants-of-endothelin-with-cardiovascular-complications-in-patients-with-renal-failure
#7
Chih-Chin Kao, Shih-Ying Cheng, Mei-Yi Wu, Shu-Chen Chien, Hsing-Fang Lu, Yu-Wen Hsu, Yan-Feng Zhang, Mai-Szu Wu, Wei-Chiao Chang
BACKGROUND: Cardiovascular (CV) complications are the main cause of death in end-stage renal disease (ESRD) patients. The high CV risks are attributable to the additive effects of multiple factors. Endothelin (EDN) is a potent vasoconstrictor and plays a role in regulating vascular homeostasis. However, whether variants of the EDN gene are associated with risks of CV events is not known. We conducted a study to investigate associations of variants of the EDN gene with CV events in ESRD patients...
September 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28882112/identification-of-adenylyl-cyclase-isoforms-mediating-parathyroid-hormone-and-calcitonin-stimulated-cyclic-amp-accumulation-in-distal-tubule-cells
#8
Wararat Kittikulsuth, Peter A Friedman, Alfred van Hoek, Yang Gao, Donald E Kohan
BACKGROUND: The distal convoluted tubule (DCT) is an important nephron site for parathyroid hormone (PTH) and calcitonin regulation of urinary divalent cation excretion. These hormones exert their effects on the DCT in substantial part through activation of adenylyl cyclase (AC); however, it is unknown which AC isoforms are involved. METHODS: To examine this, two mouse DCT cell lines were studied: 209 and D1 cells. AC isoform mRNA expression was analyzed by real-time PCR...
September 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28882110/serum-osteoprotegerin-in-prevalent-hemodialysis-patients-associations-with-mortality-atherosclerosis-and-cardiac-function
#9
Sílvia Collado, Elisabeth Coll, Carlos Nicolau, Manel Azqueta, Mercedes Pons, Josep M Cruzado, Bernat de la Torre, Ramón Deulofeu, Sergi Mojal, Julio Pascual, Aleix Cases
BACKGROUND: To assess whether serum osteoprotegerin (OPG) and/or fetuin-A predict mortality and cardiovascular (CV) morbidity and mortality in hemodialysis patients. METHODS: Multicenter, observational, prospective study that included 220 hemodialysis patients followed up for up to 6 years. Serum OPG and fetuin-A levels were measured at baseline and their possible association with clinical characteristics, CV risk biomarkers, carotid ultrasonographic findings, as well as their association with overall and CV mortality and CV events were assessed...
September 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28877681/fibronectin-glomerulopathy-complicated-with-persistent-cloaca-and-congenital-esophageal-atresia-a-case-report-and-literature-review
#10
Misaki Takii, Takaichi Suehiro, Aya Shima, Hideki Yotsueda, Satoshi Hisano, Ritsuko Katafuchi
BACKGROUND: Fibronectin glomerulopathy is a rare, inherited, autosomal dominant, glomerular disease characterized by proteinuria, microscopic hematuria, hypertension, massive glomerular deposits of fibronectin, and slow progression to end-stage renal failure. Because the incident of fibronectin glomerulopathy is extremely low, the pathophysiology, genetic abnormalities, epidemiology, and mechanisms remain to be elucidated. CASE PRESENTATION: We report a 21-year-old woman with fibronectin glomerulopathy, who had been diagnosed with persistent cloaca and congenital esophageal atresia at birth...
September 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28877670/indoleamine-2-3-dioxygenase-ido-increases-during-renal-fibrogenesis-and-its-inhibition-potentiates-tgf-%C3%AE-1-induced-epithelial-to-mesenchymal-transition
#11
Luiz Henrique Gomes Matheus, Gislene Mendes Simão, Taíssa Altieri Amaral, Rodrigo Barbosa Oliveira Brito, Camila Soares Malta, Yves Silva Teles Matos, Alexandre Chagas Santana, Gabriela Gomes Cardoso Rodrigues, Maria Clara Albejante, Erna Elisabeth Bach, Maria Aparecida Dalboni, Cleber Pinto Camacho, Humberto Dellê
BACKGROUND: Indoleamine 2, 3-dioxygenase (IDO) is an immunomodulatory molecule that has been implicated in several biological processes. Although IDO has been linked with some renal diseases, its role in renal fibrosis is still unclear. Because IDO may be modulated by TGF-β1, a potent fibrogenic molecule, we hypothesized that IDO could be involved in renal fibrosis, especially acting in the TGF-β1-induced tubular epithelial-mesenchymal transition (EMT). We analyzed the IDO expression and activity in a model of renal fibrogenesis, and the effect of the IDO inhibitor 1-methyl-tryptophan (MT) on TGF-β1-induced EMT using tubular cell culture...
September 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28874132/bone-turnover-markers-are-associated-with-bone-density-but-not-with-fracture-in-end-stage-kidney-disease-a-cross-sectional-study
#12
Hanne Skou Jørgensen, Simon Winther, Morten Bøttcher, Ellen-Margrethe Hauge, Lars Rejnmark, My Svensson, Per Ivarsen
BACKGROUND: Fracture risk is increased in chronic kidney disease (CKD), but assessment of bone fragility remains controversial in these patients. This study investigated the associations between bone turnover markers, bone mineral density (BMD), and prevalent fragility fracture in a cohort of kidney transplantation candidates. METHODS: Volumetric BMD of spine and hip was measured by quantitative computed tomography. Parathyroid hormone (PTH), bone-specific alkaline phosphatase, procollagen type-1 N-terminal propeptide, tartrate resistant alkaline phosphatase, and C- and N-terminal telopeptides of type 1 collagen were analyzed from fasting morning blood samples...
September 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28874131/a-chronic-hemodialysis-patient-with-isolated-pulmonary-valve-infective-endocarditis-caused-by-non-albicans-candida-a-rare-case-and-literature-review
#13
Chih-Hao Chang, Myo-Ming Huang, Dong-Feng Yeih, Kuo-Cheng Lu, Yi-Chou Hou
BACKGROUND: Isolated pulmonary valve infective endocarditis caused by Candida is rare in chronic hemodialysis patients. The 2009 Infectious Diseases Society of America guidelines suggest the combined use of surgery and antibiotics to treat candidiasis; however, successful nonsurgical treatment of Candida endocarditis has been reported. CASE PRESENTATION: A 63-year-old woman with end-stage kidney disease was admitted to our hospital after experiencing disorientation for 5 days...
September 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28874122/doxycycline-treatment-in-dialysis-related-amyloidosis-discrepancy-between-antalgic-effect-and-inflammation-studied-with-fdg-positron-emission-tomography-a-case-report
#14
Giorgina Barbara Piccoli, Mammar Hachemi, Ida Molfino, Jean Philippe Coindre, Charles Boursot
BACKGROUND: No effective treatment is currently available and dialysis related amyloidosis continues to be invalidating in long-term dialysis patients. A recent case series reported reduction of osteoarticular pain on doxycycline treatment, extending the indications of this drug, used in other uncommon forms of amyloidosis, to dialysis patients. Explanations of the antalgic effect were the anti-inflammatory properties and anti-coiling effects of tetracycline. CASE PRESENTATION: Our report regards a 54-year-old woman, who was never transplanted and has been on hemodialysis and hemodiafiltration for overall 37 years, due to renal hypoplasia...
September 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28870174/local-cd34-positive-capillaries-decrease-in-mouse-models-of-kidney-disease-associating-with-the-severity-of-glomerular-and-tubulointerstitial-lesions
#15
Md Abdul Masum, Osamu Ichii, Yaser Hosny Ali Elewa, Teppei Nakamura, Yasuhiro Kon
BACKGROUND: The renal vasculature plays important roles in both homeostasis and pathology. In this study, we examined pathological changes in the renal microvascular in mouse models of kidney diseases. METHODS: Glomerular lesions (GLs) in autoimmune disease-prone male BXSB/MpJ-Yaa (Yaa) mice and tubulointerstitial lesions (TILs) in male C57BL/6 mice subjected to unilateral ureteral obstruction (UUO) for 7 days were studied. Collected kidneys were examined using histopathological techniques...
September 4, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28870161/chronic-dialysis-nat2-polymorphisms-and-the-risk-of-isoniazid-induced-encephalopathy-case-report-and-literature-review
#16
Stefan Matei Constantinescu, Benoit Buysschaert, Vincent Haufroid, Franck Broly, Michel Jadoul, Johann Morelle
BACKGROUND: Isoniazid is the most widely used anti-tuberculosis agent, yet it may lead to life-threatening complications. CASE PRESENTATION: Here we report the case of a chronic hemodialysis patient who developed severe encephalopathy after the start of isoniazid. Blood levels of isoniazid were elevated, and acetyl-isoniazid over isoniazid ratio was decreased 3 h after intake of the medication, suggesting that a slow acetylator phenotype may have contributed to drug toxicity, in addition to pyridoxal phosphate removal by dialysis...
September 4, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28870154/projecting-prevalence-costs-and-evaluating-simulated-interventions-for-diabetic-end-stage-renal-disease-in-a-canadian-population-of-aboriginal-and-non-aboriginal-people-an-agent-based-approach
#17
Amy Gao, Nathaniel D Osgood, Ying Jiang, Roland F Dyck
BACKGROUND: Diabetes-related end stage renal disease (DM-ESRD) is a devastating consequence of the type 2 diabetes epidemic, both of which disproportionately affect Indigenous peoples. Projecting case numbers and costs into future decades would help to predict resource requirements, and simulating hypothetical interventions could guide the choice of best practices to mitigate current trends. METHODS: An agent based model (ABM) was built to forecast First Nations and non-First Nations cases of DM-ESRD in Saskatchewan from 1980 to 2025 and to simulate two hypothetical interventions...
September 4, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28870151/progression-of-arterial-stiffness-is-associated-with-changes-in-bone-mineral-markers-in-advanced-ckd
#18
Rathika Krishnasamy, Sven-Jean Tan, Carmel M Hawley, David W Johnson, Tony Stanton, Kevin Lee, David W Mudge, Scott Campbell, Grahame J Elder, Nigel D Toussaint, Nicole M Isbel
BACKGROUND: Arterial stiffness is an independent predictor of all-cause and cardiovascular mortality in patients with chronic kidney disease (CKD). There are limited prospective data however on progression of arterial stiffness in CKD, including evaluating associations with bone mineral markers such as fibroblast growth factor 23 (FGF23) and soluble α-klotho (sKl). METHODS: In this prospective, single-center, observational study, arterial stiffness [measured by pulse wave velocity (PWV)] and hormones influencing mineral homeostasis, including serum FGF23 and sKl, were compared between non-dialysis CKD stages 4/5 and healthy controls at baseline and 12 months (12 m)...
September 4, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28865432/a-mixed-methods-investigation-of-incident-hemodialysis-access-in-a-safety-net-population
#19
Nicole C Rich, Shant M Vartanian, Shimi Sharief, Daniel J Freitas, Delphine S Tuot
BACKGROUND: Despite improved health outcomes associated with arteriovenous fistulas, 80% of Americans initiate hemodialysis using a catheter, influenced by low socioeconomic status among other factors. Risk factors for incident catheter use in safety-net populations are unknown. Our objective was to identify factors associated with incident catheter use among hemodialysis patients at one safety-net hospital, with a goal of informing fistula placement initiatives targeted at safety-net populations more generally...
September 2, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28859606/no-increase-in-small-solute-transport-in-peritoneal-dialysis-patients-treated-without-hypertonic-glucose-for-fifty-four-months
#20
Dominique Pagniez, Alain Duhamel, Eric Boulanger, Celia Lessore de Sainte Foy, Jean-Baptiste Beuscart
BACKGROUND: Glucose is widely used as an osmotic agent in peritoneal dialysis (PD), but exerts untoward effects on the peritoneum. The potential protective effect of a reduced exposure to hypertonic glucose has never been investigated. METHODS: The cohort of PD patients attending our center which tackled the challenge of a restricted use of hypertonic glucose solutions has been prospectively followed since 1992. Small-solute transport was assessed using an equivalent of the glucose peritoneal equilibration test after 6 months, and then every year...
August 31, 2017: BMC Nephrology
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