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https://www.readbyqxmd.com/read/29190607/effect-of-paricalcitol-on-bone-density-after-kidney-transplantation-analysis-of-2-transplant-centers
#1
Zuzana Žilinská, Ivana Dedinská, Ján Breza, Ludovít Laca
INTRODUCTION: The Kidney Disease: Improving Global Outcomes Clinical Practice Guidelines on the management of bone disease in patients with chronic kidney disease recommend periodic measurement of serum calcium, phosphorus, vitamin D, and parathyroid hormone levels after kidney transplantation, with the frequencies that will vary according to the severity of bone disease and graft function. Paricalcitol, a selective vitamin D receptor activator, is indicated in the prevention and treatment of secondary hyperparathyroidism...
November 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/29169714/-idiopathic-nephrotic-syndrome
#2
O Boyer, V Baudouin, E Bérard, C Dossier, V Audard, V Guigonis, I Vrillon
Nephrotic syndrome (NS) is defined by massive proteinuria and hypoalbuminemia, with resulting hyperlipidemia and edema. The most common cause of NS in children is idiopathic nephrotic syndrome (INS), also called nephrosis. Its annual incidence has been estimated to 1-4 per 100,000 children and varies with age, race, and geography. Many agents or conditions have been reported to be associated with INS such as infectious diseases, drugs, allergy, vaccinations, and malignancies. The disease may occur during the 1st year of life, but it usually starts between the ages of 2 and 7 years...
November 20, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29104461/serum-1-25-dihydroxyvitamin-d-better-reflects-renal-parameters-than-25-hydoxyvitamin-d-in-patients-with-glomerular-diseases
#3
Sungjin Chung, Minyoung Kim, Eun Sil Koh, Hyeon Seok Hwang, Yoon Kyung Chang, Cheol Whee Park, Suk Young Kim, Yoon Sik Chang, Yu Ah Hong
Background: Impaired vitamin D metabolism may contribute to the development and progression of chronic kidney disease. The purpose of this study was to determine associations of circulating vitamin D with the degree of proteinuria and estimated glomerular filtration rate (eGFR) in patients with biopsy-proven glomerular diseases. Methods: Clinical and biochemical data including blood samples for 25-hydroxyvitamin D (25(OH)D) and 1,25-dihydroxyvitamin D (1,25(OH)2D) levels were collected from patients at the time of kidney biopsy...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29067923/effect-of-vitamin-d-therapy-on-urinary-albumin-excretion-renal-functions-and-plasma-renin-among-patients-with-diabetic-nephropathy-a-randomized-double-blind-clinical-trial
#4
Plgc Liyanage, S Lekamwasam, T P Weerarathna, C Liyanage
BACKGROUND: Despite different management strategies, progression of proteinuria occurs in a sizable category of patients with diabetic nephropathy (DN). Increase in serum renin levels induced by the renin-angiotensin system (RAS) may contribute to this. Vitamin D therapy is found to have an inhibitory effect on the RAS. We aimed to study the effects of Vitamin D therapy on renal functions of patients with DN. METHODS: This was a double-blind, randomized, placebo-controlled study...
October 23, 2017: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/28981319/vitamin-d-supplementation-prevents-placental-ischemia-induced-endothelial-dysfunction-by-downregulating-placental-soluble-fms-like-tyrosine-kinase-1
#5
Su-Ling Ma, Xiao-Yu Tian, Ya-Qi Wang, Hui-Feng Zhang, Lei Zhang
Maternal vitamin D deficiency in pregnancy has been associated with an increased risk of preeclampsia. Vascular endothelial dysfunction is a major phenotype of pregnancies with preeclampsia, contributing to increased maternal hypertension and proteinuria. We sought to determine whether vitamin D supplementation would alleviate preeclampsia associated endothelial dysfunction and explore the underlying mechanism using the reduced uterine perfusion pressure (RUPP) rat model. RUPP operated rats were supplemented with 1,25(OH)2D (RUPP+VD) on day 1, 7, and 14 of pregnancy by subcutaneous injection...
October 5, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28975092/self-limited-membranous-nephropathy-after-intravitreal-bevacizumab-therapy-for-age-related-macular-degeneration
#6
Gebran Khneizer, Ahmad Al-Taee, Bahar Bastani
BACKGROUND: Monoclonal antibodies targeting vascular endothelial growth factor (VEGF), such as bevacizumab, are administered intravitreally for the treatment of wet or exudative age-related macular degeneration (ARMD). Systemic use of bevacizumab has been linked to a wide range of renal adverse effects including proteinuria and hypertension. CASE PRESENTATION: We present the case of a 77-year-old Caucasian male with a past medical history of hypertension, vitamin D deficiency and paroxysmal atrial fibrillation who presented to primary care clinic with a 2-week history of bilateral lower extremity edema, 2 months after completing four monthly intravitreal injections of bevacizumab for ARMD...
July 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28940158/vitamin-d-and-osteoporosis-in-chronic-kidney-disease
#7
REVIEW
Paul Lips, David Goldsmith, Renate de Jongh
Osteoporotic fractures are common in patients with chronic kidney disease (CKD). Morbidity and mortality are higher in CKD patients with a fracture than in the general population. The assessment of bone mineral density for fracture prediction may be useful at all CKD stages. It should be considered when this influences treatment decisions. Vitamin D deficiency is common in patients with CKD, particularly in patients with proteinuria, due to loss of 25-hydroxyvitamin D and its binding protein. Vitamin D supplementation should be prescribed early in the course of renal disease...
October 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28835982/effects-of-paricalcitol-on-cardiovascular-outcomes-and-renal-function-in-patients-with-chronic-kidney-disease-a-meta-analysis
#8
REVIEW
X Hu, J Shang, W Yuan, S Zhang, Y Jiang, B Zhao, Y Duan, J Xiao, Z Zhao
BACKGROUND: Paricalcitol, a selective activator of the vitamin D receptor (VDR), influences calcium and phosphorus homeostasis and bone metabolism. Whether paricalcitol reduces cardiovascular risk and protects renal function remains unclear. To systematically evaluate this in patients with chronic kidney disease (CKD), we conducted a meta-analysis of published randomized controlled trials (RCTs). METHODS: We searched MEDLINE, Embase, the Cochrane Library, and reference lists for RCTs comparing paricalcitol with placebo in stage 2-5 CKD (including pre-dialysis and renal replacement patients)...
August 23, 2017: Herz
https://www.readbyqxmd.com/read/28815356/dent-disease-in-poland-what-we-have-learned-so-far
#9
Marcin Zaniew, Małgorzata Mizerska-Wasiak, Iga Załuska-Leśniewska, Piotr Adamczyk, Katarzyna Kiliś-Pstrusińska, Adam Haliński, Jan Zawadzki, Beata S Lipska-Ziętkiewicz, Krzysztof Pawlaczyk, Przemysław Sikora, Michael Ludwig, Maria Szczepańska
PURPOSE: Dent disease (DD) is a rare tubulopathy characterized by proximal tubular dysfunction leading to chronic kidney disease (CKD). The aim of the study was to characterize patients with DD in Poland. METHODS: A retrospective analysis of a national cohort with genetically confirmed diagnosis. RESULTS: Of 24 males, all patients except one carried mutations in the CLCN5 gene; in one patient a mutation in the OCRL gene was disclosed. Molecular diagnosis was delayed 1 year on average (range 0-21 years)...
November 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28664839/effects-of-paricalcitol-on-biomarkers-of-inflammation-and-fibrosis-in-kidney-transplant-recipients-results-of-a-randomized-controlled-trial
#10
Manca Oblak, Gregor Mlinšek, Aljoša Kandus, Jadranka Buturović-Ponikvar, Miha Arnol
AIMS: Paricalcitol, a selective vitamin D activator, decreases proteinuria and may reduce graft failure risk in kidney transplant recipients. In this study, we evaluated the effect of paricalcitol on renin-angiotensin system (RAS) activity as well as interleukin (IL)-6 and transforming growth factor (TGF)-β plasma concentrations as biomarkers of inflammation and fibrosis. METHODS: This placebo-controlled, double-blind trial enrolled a national cohort of kidney transplant recipients with urinary protein-to-creatinine ratio (UPCR) ≥ 20 mg/mmol despite optimization of the RAS blockade...
2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28592350/vitamin-d-status-in-renal-transplant-recipients-living-in-a-low-latitude-city-association-with-body-fat-cardiovascular-risk-factors-estimated-glomerular-filtration-rate-and-proteinuria
#11
Kelli T C Rosina, Ana Paula M Menna Barreto, Karine S S Pontes, Cyro J M Martins, Edison Souza, Rachel Bregman, Maria Inês Barreto Silva, Márcia R S T Klein
Recent evidence suggests that vitamin D deficiency is associated with CVD, impaired kidney function and proteinuria. To date, no study has evaluated these associations in renal transplant recipients (RTR) adjusting for body adiposity assessed by a 'gold standard' method. This study aimed to evaluate the vitamin D status and its association with body adiposity, CVD risk factors, estimated glomerular filtration rate (eGFR) and proteinuria in RTR, living in Rio de Janeiro, Brazil (a low-latitude city (22°54'10"S)), taking into account body adiposity evaluated by dual-energy X-ray absorptiometry (DXA)...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28590567/vitamin-d-insufficiency-preterm-delivery-and-preeclampsia-in-women-with-type-1-diabetes-an-observational-study
#12
Marianne Vestgaard, Anna L Secher, Lene Ringholm, Jens-Erik B Jensen, Peter Damm, Elisabeth R Mathiesen
INTRODUCTION: The aim of this study was to evaluate whether vitamin D insufficiency is associated with preterm delivery and preeclampsia in women with type 1 diabetes. MATERIAL AND METHODS: An observational study of 198 pregnant women with type 1 diabetes. 25-Hydroxy-Vitamin D and HbA1c were measured in blood samples in early (median 8 weeks, range 5-14) and late (34 weeks, range 32-36) pregnancy. Kidney involvement (microalbuminuria or nephropathy) at inclusion, smoking status at inclusion, preterm delivery (<37 weeks) and preeclampsia (blood pressure ≥140/90 mmHg and proteinuria) were registered...
October 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28576851/urinary-tamm-horsfall-protein-albumin-vitamin-d-binding-protein-and-retinol-binding-protein-as-early-biomarkers-of-chronic-kidney-disease-in-dogs
#13
Fernanda Chacar, Márcia Kogika, Talita R Sanches, Douglas Caragelasco, Cínthia Martorelli, Camila Rodrigues, Jose Manuel C Capcha, Dennis Chew, Lúcia Andrade
Proteinuria is a marker and mediator of chronic kidney disease (CKD). In clinical practice, the urinary protein-to-creatinine ratio (UP/C) is of limited usefulness, because it indicates only the magnitude of proteinuria and not the origin of the loss (glomerular or tubular). The complete assessment of proteinuria includes quantitative and qualitative evaluations, both of which are required in order to optimize the therapy. In addition to measuring the UP/C, we performed SDS-PAGE and western blotting to determine the expression of albumin, vitamin D-binding protein (VDBP), retinol-binding protein (RBP), and Tamm-Horsfall protein (THP) in urine samples of 49 dogs: healthy (control) dogs (n = 9); and dogs with CKD (n = 40), stratified by stage...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28550081/randomized-controlled-trial-for-the-effect-of-vitamin-d-supplementation-on-vascular-stiffness-in-ckd
#14
Adeera Levin, Mila Tang, Taylor Perry, Nadia Zalunardo, Monica Beaulieu, Joshua A Dubland, Kelly Zerr, Ognjenka Djurdjev
BACKGROUND AND OBJECTIVES: Vitamin D is implicated in vascular health in CKD. This study compared placebo, calcifediol, and calcitriol treatment with changes in vascular stiffness, BP, proteinuria, mineral metabolism parameters, C-reactive protein, and fibroblast growth factor 23 in patients with stable CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a double-blind, randomized controlled trial in out-patient CKD clinics in Vancouver, Canada, from February of 2011 to August of 2014, enrolling 119 patients with an eGFR of 15-45 ml/min per 1...
September 7, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28509131/growth-hormone-therapy-for-a-patient-with-idiopathic-fanconi-syndrome-and-growth-hormone-deficiency
#15
Takayuki Okamoto, Yasuyuki Sato, Takeshi Yamazaki, Asako Hayashi, Toshiyuki Takahashi
Idiopathic Fanconi syndrome (FS) is characterized by a generalized dysfunction of the renal proximal tubules. Patients with FS often exhibit growth retardation due to complex factors, such as hypophosphatemia, metabolic acidosis, disturbed vitamin D metabolism and hypokalemia. To date, one FS patient has been reported to exhibit growth failure due to growth hormone deficiency (GHD), but the long-term clinical course of recombinant human GH (rhGH) therapy has not been reported. At 10 months of age, the patient was admitted to our hospital due to growth failure...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28436117/early-introduction-of-oral-paricalcitol-in-renal-transplant-recipients-an-open-label-randomized-study
#16
Hege Kampen Pihlstrøm, Franscesca Gatti, Clara Hammarström, Ivar Anders Eide, Monika Kasprzycka, Junbai Wang, Guttorm Haraldsen, My Hanna Sofia Svensson, Karsten Midtvedt, Geir Mjøen, Dag Olav Dahle, Anders Hartmann, Hallvard Holdaas
In stable renal transplant recipients with hyperparathyroidism, previous studies have indicated that vitamin D agonist treatment might have anti-proteinuric effects. Animal studies indicate possible anti-fibrotic and anti-inflammatory effects. Early introduction of paricalcitol in de novo renal transplant recipients might reduce proteinuria and prevent progressive allograft fibrosis. We performed a single-center, prospective, randomized, open-label trial investigating effects of paricalcitol 2 μg/day added to standard care...
August 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28429545/do-the-benefits-of-using-calcitriol-and-other-vitamin-d-receptor-activators-in-patients-with-chronic-kidney-disease-outweigh-the-harms
#17
Nigel D Toussaint, Matthew J Damasiewicz
The primary indication for administration of calcitriol or other vitamin D receptor activators (VDRA) in chronic kidney disease (CKD) is secondary hyperparathyroidism (SHPT). Prevention and treatment of SHPT appears important, as imbalances in mineral metabolism are associated with renal osteodystrophy, and higher parathyroid hormone (PTH) levels are associated with increased rates of mortality and morbidity in CKD patients. There is, however, a lack of controlled trial data that show lowering PTH with calcitriol/VDRA equates to improved clinical outcomes...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28367447/association-between-parathyroid-hormone-25-oh-vitamin-d-and-chronic-kidney-disease-a-population-based-study
#18
Wei-Hao Wang, Li-Wei Chen, Chin-Chan Lee, Chiao-Yin Sun, Yu-Chiau Shyu, Heng-Rong Hsu, Rong-Nang Chien, I-Wen Wu
Identification of the accurate risk factor for CKD remains mandatory to combat the high prevalence of diseases. Growing evidence suggests the association of serum vitamin D with diverse health conditions. However, the relationship between vitamin D, intact parathyroid hormone (PTH), and calcium-phosphate metabolism and development of CKD remains controversial. We conduct this cross-sectional observational study to investigate the association between serum 25 (OH) vitamin D, intact PTH, and calcium and phosphate levels with eGFR and albuminuria, as a surrogate marker of CKD, in a community population...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28286758/role-of-vitamin-d-in-uremic-vascular-calcification
#19
REVIEW
Yi-Chou Hou, Wen-Chih Liu, Cai-Mei Zheng, Jing-Quan Zheng, Tzung-Hai Yen, Kuo-Cheng Lu
The risk of cardiovascular death is 10 times higher in patients with CKD (chronic kidney disease) than in those without CKD. Vascular calcification, common in patients with CKD, is a predictor of cardiovascular mortality. Vitamin D deficiency, another complication of CKD, is associated with vascular calcification in patients with CKD. GFR decline, proteinuria, tubulointerstitial injury, and the therapeutic dose of active form vitamin D aggravate vitamin D deficiency and reduce its pleiotropic effect on the cardiovascular system...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28246129/low-sodium-diet-vitamin-d-or-both-for-raasi-resistant-residual-proteinuria-in-ckd-the-virtue-trial-points-the-way-forward-but-is-not-the-last-word
#20
EDITORIAL
David Goldsmith, Ravi I Thadhani
No abstract text is available yet for this article.
April 2017: Journal of the American Society of Nephrology: JASN
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