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Current Opinion in Nephrology and Hypertension

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https://www.readbyqxmd.com/read/29771702/pathogenesis-of-cerebral-edema-in-patients-with-acute-renal-and-liver-failure-and-the-role-of-the-nephrologist-in-the-management
#1
Tamim Hamdi
PURPOSE OF REVIEW: Acute liver failure (ALF) is a severe and complex illness and one of the most daunting conditions managed in the ICU. Because the renal care is intertwined with multiple disciplines, the aim of this review is to examine the multifactorial pathogenesis of cerebral edema in ALF, covering basic established facts as well as recent advances in our understanding of this condition. RECENT FINDINGS: Acetaminophen remains the most common cause of ALF in the United States and many European countries...
May 15, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29746306/source-and-microenvironmental-regulation-of-erythropoietin-in-the-kidney
#2
Karen A Nolan, Roland H Wenger
PURPOSE OF REVIEW: Historically, the identity of O2-sensing renal erythropoietin (Epo)-producing (REP) cells was a matter of debate. This review summarizes how recent breakthroughs in transgenic mouse and in-situ hybridization techniques have facilitated sensitive and specific detection of REP cells and accelerated advancements in the understanding of the regulation of renal Epo production in health and disease. RECENT FINDINGS: REP cells are a dynamically regulated unique subpopulation of tubulointerstitial cells with features of fibroblasts, pericytes and neurons...
May 8, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29746307/erythropoietin-mimetic-peptides-and-erythropoietin-fusion-proteins-for-treating-anemia-of-chronic-kidney-disease
#3
Nupur Gupta, Jay B Wish
PURPOSE OF REVIEW: First generation erythropoiesis stimulating agents (ESAs) have short duration of action which requires administration once weekly or greater. Second generation ESAs were developed which have longer duration of action and can be administered one to two times monthly. Erythropoietin (EPO) mimetic peptides (EMPs) activate the EPO receptor but have no structural analogy to EPO, offering the potential for lower cost as they are not biologic drugs. The first approved EMP, peginesatide, was withdrawn from the market within a year of its approval because of fatal anaphylactic reactions...
May 4, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29702492/management-of-stones-and-bones-reduction-of-uncertainty-through-research
#4
Tamara Isakova, David A Bushinsky
No abstract text is available yet for this article.
April 26, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29702491/acute-kidney-injury-to-chronic-kidney-disease-transition-insufficient-cellular-stress-response
#5
Sarah A Strausser, Daisuke Nakano, Tomokazu Souma
PURPOSE OF REVIEW: Recent epidemiological and preclinical mechanistic studies provide strong evidence that acute kidney injury (AKI) and chronic kidney disease (CKD) form an interconnected syndrome. Injured kidneys undergo a coordinated reparative process with an engagement of multiple cell types after injury; however, maladaptation to the injury subjects kidneys to a vicious cycle of fibrogenesis and nephron loss. In this review, we will outline and discuss the pathogenesis of AKI-to-CKD transition with an emphasis on dysregulated 'cellular stress adaptation' as a potential therapeutic target...
April 26, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29702490/rationale-to-reduce-calcium-intake-in-adult-patients-with-chronic-kidney-disease
#6
Sharon M Moe
PURPOSE OF REVIEW: Calcium is an essential ion for the maintenance of normal bone health and physiologic functions. The extracellular and intracellular levels of calcium are maintained through hormonal regulation called homeostasis. Balance, the net intake minus excretion of calcium, is maintained by hormonal regulation of intestinal absorption and fecal/urinary excretion. Homeostasis and balance are disconnected in patients with chronic kidney disease (CKD). The purpose of this review is to understand how calcium homeostasis and balance are impaired in CKD...
April 26, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29697410/role-of-klotho-in-bone-and-implication-for-ckd
#7
Hirotaka Komaba, Beate Lanske
PURPOSE OF REVIEW: Klotho is a transmembrane protein that acts as a co-receptor for fibroblast growth factor 23 (FGF23). Recent investigations have discovered the presence of Klotho in bone-forming osteoblasts and osteocytes. This review summarizes emerging literature on the roles of bone Klotho in mineral and bone metabolism and discusses their possible involvement in renal osteodystrophy. RECENT FINDINGS: Mouse genetic studies have demonstrated that loss of Klotho in osteocytes leads to increased bone formation and bone volume...
April 24, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29697409/beginnings-of-nephrolithiasis-insights-into-the-past-present-and-future-of-randall-s-plaque-formation-research
#8
Scott V Wiener, Sunita P Ho, Marshall L Stoller
PURPOSE OF REVIEW: Kidney stones form as a result of heterogeneous nucleation on a calcium phosphate lesion in the renal papilla known as Randall's plaque. Stone disease has plagued humans for millennia with relatively little progress made in the realm of prevention. An understanding of the historical aspects of research into Randall's plaque is necessary to interpret novel correlative imaging discoveries. Focus for the past several decades has been on the distal papillary tip, and the overlooked Anderson-Carr-Randall progression is revitalized with novel supporting evidence...
April 24, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29677005/maged2-a-novel-form-of-antenatal-bartter-s-syndrome
#9
Martin Kömhoff, Kamel Laghmani
PURPOSE OF REVIEW: Antenatal Bartter's syndrome (aBS) is the most severe form of Bartter's syndrome, requiring close follow-up, in particular during the neonatal period, primarily because of prematurity. The recent identification of a novel and very severe form of aBS merits an update on this topic. RECENT FINDING: Despite the identification of several genes involved in Bartter's syndrome, about 20% of patients clinically diagnosed with aBS remained without genetic explanation for decades...
April 18, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29677006/evidence-basis-for-integrated-management-of-mineral-metabolism-in-patients-with-end-stage-renal-disease
#10
Julia J Scialla
PURPOSE OF REVIEW: Treatment of mineral metabolism is a mainstay of dialysis care including some of its most widely used and costly pharmaceuticals. Although many mineral metabolites are associated with increased risk of mortality, cardiovascular disease, and other morbidities, few clinical trials are available to guide therapy and most focus on single drug approaches. In practice, providers manage many aspects of mineral metabolism simultaneously in integrated treatment approaches that incorporate multiple agents and changes in the dialysis prescription...
April 6, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29608453/time-to-rethink-the-use-of-bone-biopsy-to-prevent-fractures-in-patients-with-chronic-kidney-disease
#11
Carolina Steller Wagner Martins, Vanda Jorgetti, Rosa Maria Affonso Moysés
PURPOSE OF REVIEW: The purpose of this review is to provide evidence to justify the use of bone biopsy data to guide decisions regarding fracture prevention in patients with chronic kidney disease (CKD). To date, no data can support the use of bone biopsy for this purpose. However, we believe that bone turnover, mineralization and volume (TMV) data might help decide, which therapy to use. RECENT FINDINGS: Previous bone biopsy-based prospective and intervention studies have used bone turnover as an outcome measure...
March 31, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29547404/halogens-are-key-cofactors-in-building-of-collagen-iv-scaffolds-outside-the-cell
#12
Kyle L Brown, Billy G Hudson, Paul A Voziyan
PURPOSE OF REVIEW: The purpose of this review is to highlight recent advances in understanding the molecular assembly of basement membranes, as exemplified by the glomerular basement membrane (GBM) of the kidney filtration apparatus. In particular, an essential role of halogens in the basement membrane formation has been discovered. RECENT FINDINGS: Extracellular chloride triggers a molecular switch within non collagenous domains of collagen IV that induces protomer oligomerization and scaffold assembly outside the cell...
March 15, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29621026/fluid-status-assessment-in-hemodialysis-patients-and-the-association-with-outcome-review-of-recent-literature
#13
Marijke J E Dekker, Jeroen P Kooman
PURPOSE OF REVIEW: In this review, we will discuss the most recent literature regarding fluids status assessment in hemodialysis patients, and the associations with outcome. RECENT FINDINGS: Research toward technique-assisted assessment of fluid status in hemodialysis patients has been going on for many years. However, there is no absolute agreement between techniques, such as bioimpedance, lung ultrasound, biochemical markers or vena caval diameter, likely because they reflect different fluid compartments with potentially altered distribution in hemodialysis patients...
May 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29570468/novel-oral-anticoagulants-in-chronic-kidney-disease-ready-for-prime-time
#14
Justin Ashley, Manish M Sood
PURPOSE OF REVIEW: Patients with chronic kidney disease (CKD) are at increased risk of atrial fibrillation, stroke, and bleeding posing unique clinical challenges. Novel oral anticoagulants (NOACs) including dabigatran, rivaroxaban, and apixaban have become recognized as alternative therapy to Vitamin K Antagonists (VKA) regarding the prevention of venous thromboembolism (VTE) and reduce the risk of stroke in atrial fibrillation. However, the understanding of NOACs in CKD is still underdeveloped...
May 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29547405/fracture-risk-and-treatment-in-chronic-kidney-disease
#15
Kelsey Connelly, David Collister, Navdeep Tangri
PURPOSE OF REVIEW: Chronic kidney disease (CKD) is associated with the development of mineral bone disorder (MBD), osteoporosis, and fragility fractures. The purpose of this review is to provide an update on recent findings in the diagnosis and treatment of osteoporosis in patients with CKD. RECENT FINDINGS: Multiple observational studies have shown that bone mineral density measurement using DEXA is equally predictive in CKD stages 1-3, as in the general population...
May 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29517501/evolving-complexity-of-complement-related-diseases-c3-glomerulopathy-and-atypical-haemolytic-uremic-syndrome
#16
H Terence Cook
PURPOSE OF REVIEW: The current review will discuss recent advances in our understanding of the pathology of C3 glomerulopathy and atypical haemolytic uremic syndrome (aHUS). RECENT FINDINGS: C3 glomerulopathy and aHUS are associated with abnormalities of control of the alternative pathway of complement. Recent articles have provided new insights into the classification of C3 glomerulopathy and its relationship to idiopathic immune complex-mediated glomerulonephritis...
May 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29465426/advances-in-molecular-diagnosis-and-therapeutics-in-nephrotic-syndrome-and-focal-and-segmental-glomerulosclerosis
#17
Bedra Sharif, Moumita Barua
PURPOSE OF REVIEW: The widespread adoption of next-generation sequencing by research and clinical laboratories has begun to uncover the previously unknown genetic basis of many diseases. In nephrology, one of the best examples of this is seen in focal and segmental glomerulosclerosis (FSGS) and nephrotic syndrome. We review advances made in 2017 as a result of human and molecular genetic studies as it relates to FSGS and nephrotic syndrome. RECENT FINDINGS: There are more than 50 monogenic genes described in steroid-resistant nephrotic syndrome and FSGS, with seven reported in 2017...
May 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29432216/glomerulogenesis-and-the-role-of-endothelium
#18
Michio Nagata
PURPOSE OF REVIEW: Earlier works of the glomerulogenesis described morphological steps and protein expression during in-vivo and in-vitro kidney development. Recent technologies using cell-specific or conditional knock-out mice for several factors provide important knowledge about cross-talk signaling among resident cells as local events. Based on the recent advancement, this review revisits comprehensive morphological development of the glomerulus. RECENT FINDINGS: Interactions of presumptive podocyte vascular endothelial growth factor with vascular endothelial growth factor-2 on angioblasts initiate glomerular vascularization...
May 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29432215/an-update-on-predicting-renal-progression-in-iga-nephropathy
#19
Sean Barbour, Heather Reich
PURPOSE OF REVIEW: Immunoglobulin A (IgA) nephropathy (IgAN) is a heterogeneous disease, and predicting individual patient risk of renal progression is challenging. Recent studies provide new evidence regarding the use of clinical, histologic, and biomarker predictors of renal outcome in IgAN. RECENT FINDINGS: A meta-analysis of clinical trials demonstrated that early change in proteinuria is a valid surrogate outcome measure for longer term decline in renal function, which supports the use of proteinuria to dynamically re-evaluate patient prognosis over time...
May 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29432214/the-association-of-proton-pump-inhibitors-and-chronic-kidney-disease-cause-or-confounding
#20
Tingting Li, Yan Xie, Ziyad Al-Aly
PURPOSE OF REVIEW: To discuss whether the recently described relationship between proton pump inhibitor (PPI) use and the risk of adverse kidney outcomes represents a causal relationship or is merely the result of confounding. RECENT FINDINGS: A wave of observational studies has described an association between PPI use and the risk of development of chronic kidney disease and its progression to end-stage renal disease. The results are generally robust and remarkably consistent across different studies...
May 2018: Current Opinion in Nephrology and Hypertension
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