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BMC Nephrology

Gergely Becs, Renáta Hudák, Zsolt Fejes, Ildikó Beke Debreceni, Harjit Pal Bhattoa, József Balla, János Kappelmayer
BACKGROUND: Mortality in patients with end-stage renal disorders is often a consequence of cardiovascular complications. Renal replacement therapies may contribute to this morbidity by promoting cellular activation. In renal failure patients peripheral blood samples were investigated for platelet and endothelial cell activation markers to compare the effects of haemodiafiltration (HDF) and haemodialysis (HD). METHODS: Overall 28 patients were included in the study...
October 13, 2016: BMC Nephrology
Mahesh R Sigdel, Mukunda P Kafle, Dibya Singh Shah
BACKGROUND: The current standard for induction phase treatment of lupus nephritis is steroid combined with mycophenolate mofetil or pulse intravenous cyclophosphamide (IVC). The lowest dose of IVC recommended for induction therapy is that used in the Euro-Lupus Trial. It is not known whether same cumulative dose of IVC would be effective when given over six months. METHODS: We carried out a prospective, observational study on 41 patients of biopsy-proven lupus nephritis (class III, IV, V or mixed)...
October 7, 2016: BMC Nephrology
Gaurav Agarwal, Padam Hirachan, Jonathan Gelfond, Paolo Fanti, Claudia Hura, Shweta Bansal
BACKGROUND: Vitamin D (25-hydroxyvitamin D; 25[OH]D) deficiency (VDD) is highly prevalent in chronic kidney disease. The aim of this study was to evaluate the effect of oral ergocalciferol supplementation on requirement of erythropoietin (EPO) and active vitamin D analogues, and hospitalization rate in maintenance hemodialysis (HD) patients. METHODS: This retrospective cohort study included 186 patients who were on HD for 3 months and had 25(OH)D levels < 30 ng/ml...
October 7, 2016: BMC Nephrology
Keisuke Sugimoto, Tomoki Miyazawa, Hitomi Nishi, Kohei Miyazaki, Takuji Enya, Mitsuru Okada, Tsukasa Takemura
BACKGROUND: Several shared common gene networks participate in development of interstinal ganglia and also nephron formation; the glial cell line-derived neurotrophic factor/Ret/glial cell line-derived neurotrophic factor receptor gene network is particularly important. CASE PRESENTATION: We encountered a patient with total colonic aganglionosis as well as right renal agenesis and oligomeganephronia. Gene analysis in this patient disclosed a heterozygous p.S811F mutation was in Ret gene exon 14, resulting in a substitution of phenylalanine for serine...
October 7, 2016: BMC Nephrology
Hao Shen, Yan Xu, Jingfen Lu, Chunfang Ma, Yadong Zhou, Qiong Li, Xu Chen, Ao Zhu, Guorong Shen
BACKGROUND: Cardiovascular disease (CVD) is often comorbid with chronic kidney disease (CKD). Small low-density lipoprotein cholesterol (sdLDL-C) has also been found to increase risk for CVD. The goal of the present study was to determine the nature of the relationship between sdLDL-C concentration and CVD in patients with CKD. METHODS: One-hundred and forty-five subjects (113 men and 32 women) with CKD (Stage 3 and Stage 4) participated this retrospective study...
October 6, 2016: BMC Nephrology
Neil P Jerome, Jessica K R Boult, Matthew R Orton, James d'Arcy, David J Collins, Martin O Leach, Dow-Mu Koh, Simon P Robinson
BACKGROUND: To investigate the combined use of intravoxel incoherent motion (IVIM) diffusion-weighted (DW) and blood oxygen level dependent (BOLD) magnetic resonance imaging (MRI) to assess rat renal function using a 1.5T clinical platform. METHODS: Multiple b-value DW and BOLD MR images were acquired from adult rats using a parallel clinical coil arrangement, enabling quantitation of the apparent diffusion coefficient (ADC), IVIM-derived diffusion coefficient (D), pseudodiffusion coefficient (D*) and perfusion fraction (f), and the transverse relaxation time T2*, for whole kidney, renal cortex, and medulla...
October 3, 2016: BMC Nephrology
Gerald Schulman, Tomas Berl, Gerald J Beck, Giuseppe Remuzzi, Eberhard Ritz, Miho Shimizu, Yuko Shobu, Mami Kikuchi
BACKGROUND: The orally administered spherical carbon adsorbent AST-120 is used on-label in Asian countries to slow renal disease progression in patients with progressive chronic kidney disease (CKD). Recently, two multinational, randomized, double-blind, placebo-controlled, phase 3 trials (Evaluating Prevention of Progression in Chronic Kidney Disease [EPPIC] trials) examined AST-120's efficacy in slowing CKD progression. This study assessed the efficacy of AST-120 in the subgroup of patients from the United States of America (USA) in the EPPIC trials...
September 30, 2016: BMC Nephrology
Rosa M Montero, Gurjeet Bhangal, Charles D Pusey, Andrew H Frankel, Frederick W K Tam
BACKGROUND: Diabetic nephropathy is the leading cause of end stage kidney disease worldwide. The pathogenesis of this disease remains elusive and multiple factors have been implicated. These include the effects of hyperglycaemia, haemodynamic and metabolic factors, and an inflammatory process that stimulates cellular signalling pathways leading to disease progression and severe fibrosis. Fibronectin (Fn) is an important protein of the extracellular matrix that is essential in fibrosis and its presence in increased amounts has been identified in the kidney in diabetic nephropathy...
September 29, 2016: BMC Nephrology
Aditi Khandelwal, Martina A Trinkaus, Hassan Ghaffar, Serge Jothy, Marc B Goldstein
BACKGROUND: Immunotactoid glomerulopathy (ITG) is a rare cause of proteinuria characterized by organized microtubular deposits in the glomerulus. ITG has been associated with underlying lymphoproliferative disorders and any renal impairment may be reversible with treatment of the concomitant hematologic malignancy. This case is the first reported in literature where diffuse large B cell lymphoma developed two years following the initial ITG diagnosis. CASE PRESENTATION: A 55-year-old woman with a history of well-controlled diabetes mellitus and thalassemia trait presented with proteinuria (830 mg/day) in 2010...
September 29, 2016: BMC Nephrology
Fareed B Kamar, Bikaramjit Mann, Gregory Kline
BACKGROUND: Tumoral calcinosis is a rare manifestation of extraskeletal calcification, featuring large calcified cystic masses in the periarticular regions of large joints. In chronic kidney disease (CKD), this disorder is thought to evolve through a chronically elevated calcium-phosphorus solubility product leading to calcium precipitation in soft tissue. Treating tumoral calcinosis in these patients involves interventions to lower the calcium-phosphorus product such as reduction in vitamin D therapy and intensive hemodialysis regimens...
September 29, 2016: BMC Nephrology
Stefania Maxia, Valentina Loi, Irene Capizzi, Giorgina Barbara Piccoli, Gianfranca Cabiddu, Antonello Pani
BACKGROUND: Low-protein diets (LPD) are an important means of delaying the need for dialysis and attaining a stable metabolic balance in chronic kidney disease (CKD). Many authors consider a low educational level and illiteracy to be adverse features for a good dietary compliance. CASE PRESENTATION: We report the case of a 77-year old woman, illiterate, affected by advanced CKD (stage 4 according to KDIGO guidelines). She was initially ashamed of her problem and did not declare it, leading to an overzealous reduction in protein intake...
September 29, 2016: BMC Nephrology
Shuwang Ge, Sheng Nie, Zhangsuo Liu, Chunbo Chen, Yan Zha, Jing Qian, Bicheng Liu, Siyuan Teng, Anping Xu, Wei Bin, Xin Xu, Gang Xu
BACKGROUND: Information on acute kidney injury (AKI) in elderly hospitalized patients is limited. This study aims to assess the incidence, risk factors and outcomes of AKI in elderly Chinese patients. METHOD: The Epidemiology of AKI in Chinese Hospitalized adults (EACH) study is a multicenter, retrospective cohort study conducted in nine regional central hospitals across China. Patients aged more than 65 years were selected from the EACH study for this analysis...
September 29, 2016: BMC Nephrology
James B Wetmore, Jonathan D Mahnken, Milind A Phadnis
BACKGROUND: Little is known about the effect of multiple, or subsequent, ischemic strokes in patients receiving hemodialysis. METHODS: We undertook a retrospective cohort study of incident hemodialysis patients with Medicare coverage who had experienced a first ischemic stroke. Factors associated with either a subsequent ischemic stroke or death following a first new stroke were modeled. A multistate model with Cox proportional hazards was used to predict transition probabilities from first ischemic stroke to either subsequent stroke or to death, and the demographic and clinical factors associated with the respective transition probabilities were determined...
September 21, 2016: BMC Nephrology
Cristiana David, Ileana Peride, Andrei Niculae, Alexandra Maria Constantin, Ionel Alexandru Checherita
BACKGROUND: Native arteriovenous fistula (AVF) is the most appropriate type of vascular access for chronic dialysis. Its patency rates depend on vascular wall characteristics. Ketoacid analogues of essential amino acids (KA/EAA) are prescribed in end-stage renal disease (ESRD) pre-dialysis patients to lower toxic metabolic products generation and improve nutritional status. We hypothesized that very-low protein diet (VLPD) supplemented with KA/EAA may influence arterial wall stiffness and affect AVF maturation rates and duration in pre-dialysis ESRD patients...
September 20, 2016: BMC Nephrology
Osama Y Safdar, Mohammed Shalaby, Norah Khathlan, Bassem Elattal, Mohammed Bin Joubah, Esraa Bukahri, Mafaza Saber, Arwa Alahadal, Hala Aljariry, Safaa Gasim, Afnan Hadadi, Abdullah Alqahtani, Roaa Awleyakhan, Jameela A Kari
BACKGROUND: Acute kidney injury (AKI) has been associated with high morbidity and mortality rates among critically ill children. Cystatin C is a protease inhibitor, and studies have shown that it is a promising marker for the early diagnosis of AKI. Our goal in this study was to assess whether serum cystatin C could serve as an accurate marker for the diagnosis of AKI. METHODS: This prospective study was undertaken in the pediatric intensive care unit at King Abdulaziz University Hospital...
September 13, 2016: BMC Nephrology
Tomohiro Terasaka, Haruhito A Uchida, Ryoko Umebayashi, Keiko Tsukamoto, Keiko Tanaka, Masashi Kitagawa, Hitoshi Sugiyama, Hiroaki Tanioka, Jun Wada
BACKGROUND: A link between IgA nephropathy and Crohn's disease has recently been reported. Other researchers hypothesize that intestine-derived IgA complexes deposit in glomerular mesangial cells, eliciting IgA nephropathy. Intestinal mucosal plasma cells mainly secrete IgA2. Nevertheless, IgA1 deposition is strongly implicated as being the primary cause of IgA nephropathy. CASE PRESENTATION: A 46-year-old Japanese man developed IgA nephropathy 29 years ago, following tonsillectomy...
September 5, 2016: BMC Nephrology
Pradeep Arora, Anu Gupta, Mojgan Golzy, Nilang Patel, Randolph L Carter, Kabir Jalal, James W Lohr
BACKGROUND: Acute interstitial nephritis secondary to proton pump inhibitors (PPIs) frequently goes undiagnosed due to its subacute clinical presentation, which may later present as chronic kidney disease (CKD). We investigated the association of PPI use with the development of CKD and death. METHODS: Two separate retrospective case-control study designs were employed with a prospective logistic regression analysis of data to evaluate the association of development of CKD and death with PPI use...
August 3, 2016: BMC Nephrology
Rolando Claure-Del Granado, Ravindra L Mehta
BACKGROUND: Fluid overload is frequently found in acute kidney injury patients in critical care units. Recent studies have shown the relationship of fluid overload with adverse outcomes; hence, manage and optimization of fluid balance becomes a central component of the management of critically ill patients. DISCUSSION: In critically ill patients, in order to restore cardiac output, systemic blood pressure and renal perfusion an adequate fluid resuscitation is essential...
August 2, 2016: BMC Nephrology
Abdullah Kashgary, Jessica M Sontrop, Lihua Li, Ahmed A Al-Jaishi, Zainab N Habibullah, Roaa Alsolaimani, William F Clark
BACKGROUND: Evidence on the role of plasma exchange for treating recurrent post-transplant focal segmental glomerulosclerosis (FSGS) comes largely from individual cases and uncontrolled series. We conducted a systematic review and meta-analysis to estimate the remission rate after treatment with plasma exchange, and to determine if remission varied with patient or treatment characteristics. METHODS: We searched MEDLINE, EMBASE, Science Citation Index Expanded, and the Conference Proceedings Citation Index (Science and BIOSIS) for studies of patients with post-transplant recurrent FSGS who were treated with plasma exchange after recurrence (1950-2012)...
July 29, 2016: BMC Nephrology
Yinghua Chen, Yuemei Ding, Zhengzhao Liu, Haitao Zhang, Zhihong Liu, Weixin Hu
BACKGROUND: The clinic-pathological features and outcomes of Chinese patients with antineutrophil cytoplasmic autoantibody (ANCA)-positive eosinophilic granulomatosis with polyangiitis (EGPA) and renal involvement have not been studied. METHODS: Fourteen EGPA patients with renal involvement were included. All patients underwent renal biopsy. Clinic-pathological features and outcomes were retrospectively analyzed. RESULTS: The most common initial symptom of EGPA was asthma (57...
July 26, 2016: BMC Nephrology
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