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Renal Anemia

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58 papers 100 to 500 followers
By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
https://www.readbyqxmd.com/read/28507005/perspective-what-makes-it-so-difficult-to-mitigate-worldwide-anemia-prevalence
#1
Klaus Schümann, Noel W Solomons
Anemia can be related to decreased production or increased loss of erythrocytes, or both, leading to many underlying and often overlapping causes. A largely cereal-based diet with plenty of phytates, polyphenols, and other ligands that inhibit intestinal iron absorption predominated in preindustrial Europe and predominates in present-day developing countries alike. In both situations, we find poor hygienic conditions, which frequently lead to anemia of inflammation. The large number of possible causes and their interaction shows why it is so difficult to mitigate anemia prevalence...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28487874/administration-of-pentoxifylline-to-improve-anemia-of-hemodialysis-patients
#2
Heshmatolah Shahbazian, Ali Ghorbani, Azita Zafar-Mohtashami, Abdolreza Balali, Armaghan AleAli, Gholam Reza Lashkarara
Introduction: One of the most important causes of erythropoietin-resistant anemia in end-stage renal disease (ESRD) patients is increased levels of inflammatory cytokines. Objectives: In this study pentoxifylline, an anti-inflammatory and anti-cytokine drug, with no significant side effects was used to manage anemia in ESRD patients. Patients and Methods: Thirty-nine ESRD patients with erythropoietin-resistant anemia were assigned to two groups, the treatment and the control groups. In treatment group, 19 patients received erythropoietin, venofer and pentoxifylline for 6 months...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28468297/hypoxia-hif-and-associated-signaling-networks-in-chronic-kidney-disease
#3
REVIEW
Jing Liu, Qingqing Wei, Chunyuan Guo, Guie Dong, Yu Liu, Chengyuan Tang, Zheng Dong
The pathogenesis of chronic kidney disease (CKD) is complex and apparently multifactorial. Hypoxia or decrease in oxygen supply in kidney tissues has been implicated in CKD. Hypoxia inducible factors (HIF) are a small family of transcription factors that are mainly responsive to hypoxia and mediate hypoxic response. HIF plays a critical role in renal fibrosis during CKD through the modulation of gene transcription, crosstalk with multiple signaling pathways, epithelial-mesenchymal transition, and epigenetic regulation...
April 30, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28370957/safety-of-intravenous-iron-in-hemodialysis-patients
#4
REVIEW
Xiaojuan Li, Abhijit V Kshirsagar, M Alan Brookhart
Among end-stage renal disease patients maintained by hemodialysis, anemia has been managed primarily through erythropoiesis-stimulating agents (ESAs) and intravenous (IV) iron. Following concerns about the cardiovascular (CV) safety of ESAs and changes in the reimbursement policies in Medicare's ESRD program, the use of IV iron has increased. IV iron supplementation promotes hemoglobin production and reduces ESA requirements, yet there exists relatively little evidence on the long-term safety of iron supplementation in hemodialysis patients...
June 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28371203/the-available-intravenous-iron-formulations-history-efficacy-and-toxicology
#5
REVIEW
Michael Auerbach, Iain Macdougall
A number of intravenous iron formulations have been developed over the past 65 years which rely on dextran or other compounds to prevent uncontrolled release of free iron to the circulation. High molecular weight dextran was associated with a number of serious adverse reactions and was removed from markets worldwide in 2009. The preponderance of published evidence suggests that the formulations of parenteral iron currently available in the United States, including low molecular weight iron dextran, are all safe and effective and there are no major, clinically important differences among them in terms of either efficacy or safety...
June 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28096133/regulation-of-the-iron-homeostatic-hormone-hepcidin
#6
REVIEW
Veena Sangkhae, Elizabeta Nemeth
Iron is required for many biological processes but is also toxic in excess; thus, body iron balance is maintained through sophisticated regulatory mechanisms. The lack of a regulated iron excretory mechanism means that body iron balance is controlled at the level of absorption from the diet. Iron absorption is regulated by the hepatic peptide hormone hepcidin. Hepcidin also controls iron release from cells that recycle or store iron, thus regulating plasma iron concentrations. Hepcidin exerts its effects through its receptor, the cellular iron exporter ferroportin...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28082519/effects-of-ferric-citrate-in-patients-with-nondialysis-dependent-ckd-and-iron-deficiency-anemia
#7
Steven Fishbane, Geoffrey A Block, Lisa Loram, John Neylan, Pablo E Pergola, Katrin Uhlig, Glenn M Chertow
Iron deficiency anemia is common and consequential in nondialysis-dependent CKD (NDD-CKD). Efficacy and tolerability of conventional oral iron supplements are mixed; intravenous iron administration associates with finite but important risks. We conducted a randomized double-blind clinical trial in adults with NDD-CKD and iron deficiency anemia to compare the safety and efficacy of oral ferric citrate (n=117) and placebo (n=115). The primary end point was the proportion of patients who achieved a ≥1.0 g/dl increase in hemoglobin at any time during a 16-week randomized period...
January 12, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28077085/erythropoiesis-stimulating-agents-and-reno-protection-a-meta-analysis
#8
Steve Elliott, Dianne Tomita, Zoltan Endre
BACKGROUND: Erythropoiesis stimulating agents (ESAs) were proposed to enhance survival of renal tissues through direct effects via activation of EPO receptors on renal cells resulting in reduced cell apoptosis, or indirect effects via increased oxygen delivery due to increased numbers of Hb containing red blood cells. Thus through several mechanisms there may be benefit of ESA administration on kidney disease progression and kidney function in renal patients. However conflicting ESA reno-protection outcomes have been reported in both pre-clinical animal studies and human clinical trials...
January 11, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28049235/the-prevalence-and-management-of-anemia-in-chronic-kidney-disease-patients-result-from-the-korean-cohort-study-for-outcomes-in-patients-with-chronic-kidney-disease-know-ckd
#9
Sang Ryol Ryu, Sue K Park, Ji Yong Jung, Yeong Hoon Kim, Yun Kyu Oh, Tae Hyun Yoo, Suah Sung
Anemia is a common and significant complication of chronic kidney disease (CKD). However, its prevalence and current management status has not been studied thoroughly in Korea. We examined the prevalence of anemia, its association with clinical and laboratory factors, and utilization of iron agents and erythropoiesis stimulating agents using the baseline data from the large-scale CKD cohort in Korea. We defined anemia when hemoglobin level was lower than 13.0 g/dL in males and 12.0 g/dL in females, or received by erythropoiesis stimulating agents...
February 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27604984/intravenous-iron-administration-strategies-and-anemia-management-in-hemodialysis-patients
#10
Wieneke M Michels, Bernard G Jaar, Patti L Ephraim, Yang Liu, Dana C Miskulin, Navdeep Tangri, Deidra C Crews, Julia J Scialla, Tariq Shafi, Stephen M Sozio, Karen Bandeen-Roche, Courtney J Cook, Klemens B Meyer, L Ebony Boulware
Background.: The effect of maintenance intravenous (IV) iron administration on subsequent achievement of anemia management goals and mortality among patients recently initiating hemodialysis is unclear. Methods.: We performed an observational cohort study, in adult incident dialysis patients starting on hemodialysis. We defined IV administration strategies over a 12-week period following a patient's initiation of hemodialysis; all those receiving IV iron at regular intervals were considered maintenance, and all others were considered non-maintenance...
January 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27428164/spectrum-of-anemia-after-kidney-transplantation-pathophysiology-and-therapeutic-implications
#11
REVIEW
Oluwatoyin F Bamgbola
The prevalence of anemia in the first month after transplant is 70%-80%. The rate declines to 30%-40% at 3 months and 20% by 12 months. Its occurrence is influenced by the quality of the transplanted organ, bone marrow regenerative capacity, amount of surgical blood loss, and increased iron recycling. There is also a blunted response by oxidative inflammation to the effectiveness of supranormal levels of erythropoietin (EPO) release during ischemic-reperfusion allograft injury. The prevalence rate of late-onset post-transplant anemia (PTA) is 30%-50%...
October 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27455803/-the-role-of-zinc-in-chronic-kidney-disease
#12
Tatsuo Fukushima
Renal anemia is one of the most important complication as a cause of cardiovascular event in patients with chronic kidney disease (CKD). The status of renal anemia has been ameliorated by using recombinant human erythropoietin (EPO), however, the EPO resistant anemia is sometimes seen in high stage CKD patients. Heavy metal deficiency including zinc deficiency is one of the cause of EPO resistant anemia. Recently, it is reported that zinc deficiency is seen in patients with CKD. In this article, we describe zinc deficiency in patients with CKD...
July 2016: Nihon Rinsho. Japanese Journal of Clinical Medicine
https://www.readbyqxmd.com/read/27318465/novel-masters-of-erythropoiesis-hypoxia-inducible-factors-and-recent-advances-in-anemia-of-renal-disease
#13
REVIEW
Yalcin Solak, Mustafa Cetiner, Dimitrie Siriopol, Kayhan Tarim, Baris Afsar, Adrian Covic, Mehmet Kanbay
Anemia seen in patients with chronic kidney disease is a particular form of 'anemia of chronic disease'. Although multifactorial in origin, erythropoiesis-stimulating agents (ESAs) and adjuvant iron therapy represent the primary treatment for anemia in chronic kidney disease. Subsequent clinical observations revealed that these ESA hyporesponsive patients often had increased systemic inflammation as a consequence of their comorbidities. Use of high ESA doses to overcome this ESA hyporesponsiveness posed some concerns regarding associated adverse events of therapy and increased mortality in this special patient population...
2016: Blood Purification
https://www.readbyqxmd.com/read/27185524/iron-therapy-challenges-for-the-treatment-of-nondialysis-ckd-patients
#14
Francesco Locatelli, Sandro Mazzaferro, Jerry Yee
The clinical consequences of untreated, severe anemia in patients with nondialysis CKD can be significant, but disparities exist in the anemia treatment guidelines and position papers issued from working groups and associations across the world. These differ in hemoglobin target and iron levels and their emphasis on various iron markers and other clinical outcomes. Not surprisingly, disparities are observed in anemia treatment strategies among patients with nondialysis CKD across different areas of the world...
July 7, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/26848873/uremic-toxicity-induced-eryptosis-and-monocyte-modulation-the-erythrophagocytosis-as-a-novel-pathway-to-renal-anemia
#15
Natalia Borges Bonan, Thiago M Steiner, Viktoriya Kuntsevich, Grazia Maria Virzì, Marina Azevedo, Lia Sumie Nakao, Fellype Carvalho Barreto, Claudio Ronco, Stephan Thijssen, Peter Kotanko, Roberto Pecoits-Filho, Andréa N Moreno-Amaral
BACKGROUND: We tested the effect of uremia on red blood cell (RBC) eryptosis, CD14++/CD16+ monocytes and erythrophagocytosis. DESIGN: RBC and monocytes from chronic kidney disease (CKD) stages 3/4 (P-CKD3/4) or hemodialysis (HD) patients and healthy controls (HCs) cells incubated with sera pools from patients with CKD stages 2/3 (S-CKD2/3) or 4/5 (S-CKD4/5) were evaluated to assess eryptosis, monocyte phenotypes and reactive oxygen species (ROS) by cytometer. Erythrophagocytosis was evaluated by subsequent co-incubation of preincubated HC-monocytes and autologous-RBC...
2016: Blood Purification
https://www.readbyqxmd.com/read/26561626/guidelines-on-the-diagnosis-and-treatment-of-iron-deficiency-across-indications-a-systematic-review
#16
REVIEW
Laurent Peyrin-Biroulet, Nicolas Williet, Patrice Cacoub
BACKGROUND: Guidelines on the diagnosis and treatment of iron deficiency (ID) vary widely across indications. OBJECTIVE: We reviewed all available guidelines on the management of ID worldwide. DESIGN: A literature search was conducted in PubMed, Cochrane, and EMBASE and in main professional association websites, limited to documents published between 1 January 2004 and 30 June 2014. RESULTS: Of 127 guidelines identified, 29 were selected, involving 29 professional associations and issued from the United States (n = 8), Europe (n = 6), Britain (n = 4), Canada (n = 3), international organizations (n = 2), France (n = 2), Poland (n = 1), Australia (n = 1), Mexico (n = 1), and Japan (n = 1)...
December 2015: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/26381391/how-to-supplement-iron-in-patients-with-renal-anemia
#17
REVIEW
Shinji Tanaka, Tetsuhiro Tanaka
Iron deficiency is a major cause of hyporesponsiveness to erythropoiesis-stimulating agents (ESAs) and is often observed in chronic kidney disease (CKD) patients with anemia. With iron supplementation, ESA doses can be decreased, resulting in lower treatment costs and possibly lower cardiovascular risks that are associated with high-dose ESA therapy. The 2012 Kidney Disease: Improving Global Outcomes Guideline specified ferritin ≤ 500 ng/ml and transferrin saturation (TSAT) ≤ 30% as thresholds of iron parameters for CKD patients...
2015: Nephron
https://www.readbyqxmd.com/read/26381503/how-the-target-hemoglobin-of-renal-anemia-should-be
#18
REVIEW
Imari Mimura, Tetsuhiro Tanaka, Masaomi Nangaku
Renal anemia is caused by the deficiency of endogenous erythropoietin (Epo) due to renal dysfunction. We think that it is possible to slow the progression of chronic kidney disease (CKD) in case we initiate Epo early in pre-dialysis patients, especially in the non-diabetic population. Erythropoiesis stimulating agent (ESA) treatments targeting mild anemia (10-12 g/dl) can decrease the risk of occurrence of cardiovascular disease (CVD) in patients with hypertension, diabetes mellitus and congestive heart failure...
2015: Nephron
https://www.readbyqxmd.com/read/26336594/managing-hyperphosphatemia-in-patients-with-chronic-kidney-disease-on-dialysis-with-ferric-citrate-latest-evidence-and-clinical-usefulness
#19
REVIEW
Yoram Yagil, Stephen Z Fadem, Kotagal S Kant, Udayan Bhatt, Mohammed Sika, Julia B Lewis, Dana Negoi
Ferric citrate is a novel phosphate binder that allows the simultaneous treatment of hyperphosphatemia and iron deficiency in patients being treated for end-stage renal disease with hemodialysis (HD). Multiple clinical trials in HD patients have uniformly and consistently demonstrated the efficacy of the drug in controlling hyperphosphatemia with a good safety profile, leading the US Food and Drug Administration in 2014 to approve its use for that indication. A concurrent beneficial effect, while using ferric citrate as a phosphate binder, is its salutary effect in HD patients with iron deficiency being treated with an erythropoietin-stimulating agent (ESA) in restoring iron that becomes available for reversing chronic kidney disease (CKD)-related anemia...
September 2015: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/26334853/comparative-effects-of-hemodilutional-anemia-and-transfusion-during-cardiopulmonary-bypass-on-acute-kidney-injury-a-prospective-randomized-study
#20
RANDOMIZED CONTROLLED TRIAL
Cem Arıtürk, Zehra Serpil Ozgen, Meltem Kilercik, Halim Ulugöl, Eyup Murat Ökten, Uğur Aksu, Hasan Karabulut, Fevzi Toraman
AIM: Acute kidney injury after cardiopulmonary bypass has been associated with dilutional anemia during surgery. We aimed both to explore if this relation is modulated by blood transfusion and to understand the postoperative contribution of protein oxidation. METHODS: In this randomized prospective study, after ethics committee approval and informed consent, 30 patients undergoing first-time elective coronary artery bypass grafting (CABG) with hematocrit between 21% and 25% at any time during extracorporeal circulation (ECC) were randomly and equally allocated into two groups...
August 30, 2015: Heart Surgery Forum
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