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Renal function reserve

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https://www.readbyqxmd.com/read/28223001/rethinking-ckd-evaluation-should-we-be-quantifying-basal-or-stimulated-gfr-to-maximize-precision-and-sensitivity
#1
Bruce A Molitoris
Chronic kidney disease (CKD) is an increasing clinical problem. Although clinical risk factors and biomarkers for the development and progression of CKD have been identified, there is no commercial surveillance technology to definitively diagnose and quantify the severity and progressive loss of glomerular filtration rate (GFR) in CKD. This has limited the study of potential therapies to late stages of CKD when FDA-registerable events are more likely. Because patient outcomes, including the rate of CKD progression, correlate with disease severity and effective therapy may require early intervention, being able to diagnose and stratify patients by their level of decreased kidney function early on is key for translational progress...
February 17, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28219075/pregnancy-outcomes-in-recovered-acute-kidney-injury-underscoring-renal-functional-reserve
#2
Abhilash Koratala, Amir Kazory
No abstract text is available yet for this article.
February 21, 2017: Nephron
https://www.readbyqxmd.com/read/28218990/renal-function-at-one-year-after-cardiac-transplantion-rather-than-acute-kidney-injury-is-highly-associated-with-long-term-patient-survival-and-loss-of-renal-function
#3
Gijs Fortrie, Olivier C Manintveld, Alina A Constantinescu, Pieter C van de Woestijne, Michiel G H Betjes
BACKGROUND: The current study aims to assess the association between acute kidney injury (AKI), renal function one year after transplantation and long-term adverse outcomes after cardiac transplantation. METHODS: A retrospective cohort study was performed including 471 adult cardiac transplantation recipients that survived the first postoperative year between 1984 and 2012. Primary outcome variables were long-term overall and renal survival. RESULTS: During the first postoperative week 40% (n=288) of the recipients developed AKI stage I, 22% (n=104) stage II, 13% (n=63) stage III and 4% (n=17) required temporary RRT...
February 20, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28213622/understanding-renal-functional-reserve
#4
Claudio Ronco, Rinaldo Bellomo, John Kellum
No abstract text is available yet for this article.
February 17, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28211090/development-of-proteinuria-and-focal-segmental-glomerulosclerosis-during-direct-acting-antiviral-therapy-for-hepatitis-c-virus-infection-hep-16-2474-r1
#5
Jonathan J Hogan, Mary Ann Lim, Matthew B Palmer, Roy D Bloom, Raymond T Chung, Meghan E Sise
Focal segmental glomerulosclerosis (FSGS) presents as proteinuric kidney disease and is associated with poor long-term renal outcomes. Here we describe three patients with solid organ transplants and normal baseline kidney function who developed FSGS during direct acting antiviral therapy for hepatitis C virus infection. This article is protected by copyright. All rights reserved.
February 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28207975/stabilization-of-renal-function-after-the-first-year-of-follow-up-in-kidney-transplant-recipients-treated-for-significant-bk-polyomavirus-infection-or-bk-polyomavirus-associated-nephropathy
#6
Marie-Christine Simard-Meilleur, Paule Bodson-Clermont, Gilles St-Louis, Michel R Pâquet, Catherine Girardin, Marie-Chantal Fortin, Héloïse Cardinal, Marie-Josée Hébert, Reneé Lévesque, Edith Renoult
BACKGROUND: BK polyomavirus virus (BKPyV) screening and immunosuppression reduction effectively prevent graft loss due to BKPyV-associated nephropathy (BKPVAN) during the first year after transplantation. The aim of our study was to evaluate the impact of this infection during longer follow-up periods. METHODS: We reviewed the outcome of our screening and immunosuppression reduction protocol in 305 patients who received a kidney transplant between March 2008 and January 2013...
February 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28207944/relationship-between-renal-function-and-periodontal-disease-in-community-dwelling-elderly-women-with-different-genotypes
#7
Akihiro Yoshihara, Noriko Sugita, Masanori Iwasaki, Yanming Wang, Hideo Miyazaki, Hiromasa Yoshie, Kazutoshi Nakamura
OBJECTIVES: The aim of this study was to examine the association between periodontal disease and renal function in elderly women with different genotypes. MATERIAL AND METHODS: A total of 332 postmenopausal never-smoking women were analyzed. Poor renal function was defined as serum cystatin C >0.91 mg/L. Periodontal disease markers such as periodontal inflamed surface area (PISA) were evaluated. Selected variables, including PISA quartile, body mass index (BMI), HbA1C and age in Arg allele carriers and non-carriers based on the beta-3 adrenergic receptor, or between Ala allele carriers and non-carriers based on peroxisome proliferator-activated receptor gamma, were analyzed using multiple logistic regression analysis...
February 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28206695/graft-quality-matters-survival-after-simultaneous-liver-kidney-transplant-according-to-kdpi
#8
Colleen Jay, Jacqueline Pugh, Glenn Halff, Greg Abrahamian, Francisco Cigarroa, Ken Washburn
BACKGROUND: Poor renal function is associated with higher mortality after liver transplantation. Our aim was to understand the impact of kidney graft quality according to kidney donor profile index (KDPI) score on survival after simultaneous liver-kidney (SLK) transplantation. METHODS: Using United Network of Organ Sharing data from 2002-2013 for adult deceased donor SLK recipients, we compared survival and renal graft outcomes according to KDPI. RESULTS: Of 4,207 SLK transplants, 6% were from KDPI >85% donors...
February 16, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28199785/assessment-of-tocilizumab-anti-il-6-receptor-monoclonal-as-a-potential-treatment-for-chronic-antibody-mediated-rejection-and-transplant-glomerulopathy-in-hla-sensitized-renal-allograft-recipients
#9
Jua Choi, Olivier Aubert, Ashley Vo, Alexandre Loupy, Mark Haas, Dechu Puliyanda, Irene Kim, Sabrina Louie, Alexis Kang, Alice Peng, Joe Kahwaji, Nancy Reinsmoen, Mieko Toyoda, Stanley C Jordan
Extending the functional integrity of renal allografts is the primary goal of transplant medicine. Development of donor-specific antibodies (DSAs) post-transplant leads to chronic active antibody-mediated rejection (cABMR) and transplant glomerulopathy (TG), resulting in the majority of graft losses in the U.S. This reduces the quality & length of life for patients and increases cost. There are no approved treatments for cABMR. Evidence suggests the pro-inflammatory cytokine interleukin 6 (IL-6) may play an important role in DSA generation and cABMR...
February 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28199780/cytomegalovirus-responsive-cd8-t-cells-expand-after-solid-organ-transplantation-in-the-absence-of-cmv-disease
#10
Lauren E Higdon, Jennifer Trofe-Clark, Sai Liu, Kenneth B Margulies, Malaya K Sahoo, Emily Blumberg, Benjamin A Pinsky, Jonathan S Maltzman
Cytomegalovirus (CMV) is a major cause of morbidity and mortality in solid-organ transplant recipients. Approximately 60% of adults are CMV seropositive indicating previous exposure. Following resolution of primary infection, CMV remains in a latent state. Reactivation is controlled by memory T cells in healthy individuals; transplant recipients have reduced memory T cell function due to chronic immunosuppressive therapies. In this study, CD8(+) T cell responses to CMV polypeptides IE-1 and pp65 were analyzed in sixteen CMV seropositive renal and cardiac transplant recipients longitudinally pre- and post-transplant...
February 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28198539/cytomegalovirus-infection-alters-phenotypes-of-different-%C3%AE-%C3%AE-t-cell-subsets-in-renal-transplant-recipients-with-long-term-stable-graft-function
#11
Silvia Lee, Jacquita S Affandi, Ashley B Irish, Patricia Price
Cytomegalovirus (CMV) infection alters the phenotypic profiles of T-cells and NK cells in healthy and immunocompromised individuals. Here, we examined the effects of CMV infection on the phenotype and functions of γδ T-cell subsets in renal transplant recipients (RTR) stable several years after transplantation (n = 80) and healthy controls (n = 72). Differentiation status, function, and expression of HLA-DR, CD57 and LIR-1 on Vδ2- and Vδ2+ γδ T-cells were examined in peripheral blood cells using flow cytometry...
February 15, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28196310/gemcitabine-cisplatin-versus-gemcitabine-oxaliplatin-doublet-chemotherapy-in-advanced-gallbladder-cancers-a-match-pair-analysis
#12
Anant Ramaswamy, Vikas Ostwal, Rakesh Pinniti, Sadhana Kannan, Prabhat Bhargava, Chaitali Nashikkar, Jimmy Mirani, Shripad Banavali
BACKGROUND: Gemcitabine-cisplatin (GC) and gemcitabine-oxaliplatin (GO) are the most commonly used regimens in advanced gallbladder cancer (GBC). METHODS: The data of patients with advanced GBC, treated between January 2013 and June 2015 were retrieved. A 1:1 matching without replacement was performed by using nearest neighbour matching method. RESULTS: 326 patients (163 GC and 163 GO), were matched 1:1 by age and gender. The response rates for GC and GO were 31...
February 14, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28196295/association-of-pre-transplant-kidney-function-with-outcomes-after-lung-transplantation
#13
Amit Banga, Manish Mohanka, Jessica Mullins, Srinivas Bollineni, Vaidehi Kaza, Fernando Torres, Bekir Tanriover
PURPOSE: There is a lack of data regarding the independent association of pre-transplant kidney function with early and late outcomes among lung transplant (LT) recipients. METHODS: We queried the UNOS database for adult patients (≥ 18 years of age) undergoing LT between 1987 and 2013. Glomerular filtration rate (GFR) was estimated using the Modification of diet in renal disease (MDRD) and the Chronic kidney disease epidemiology collaboration (CKD-EPI) equations...
February 14, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28194759/association-of-peripheral-nk-cell-counts-with-helios-ifny-tregs-in-patients-with-good-long-term-renal-allograft-function
#14
Karina Trojan, Li Zhu, Mostafa Aly, Rolf Weimer, Nuray Bulut, Christian Morath, Gerhard Opelz, Volker Daniel
BACKGROUND: Little is known about a possible interaction of NK cells with Tregs in long-term stable kidney transplant recipients. METHODS: Absolute counts of lymphocyte and Treg subsets were studied in whole blood samples of 136 long-term stable renal transplant recipients and 52 healthy controls using eight-color-fluorescence flow cytometry. Patients were 1946±2201 days (153-10268 days) posttransplant and showed a serum creatinine of 1.7±0.7 mg/dl. RESULTS: Renal transplant recipients investigated >1...
February 14, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28182833/comparative-effectiveness-of-mycophenolate-mofetil-for-the-treatment-of-childhood-onset-proliferative-lupus-nephritis
#15
Simon Y Tian, Earl D Silverman, Eleanor Pullenayegum, Patrick E Brown, Joseph Beyene, Brian M Feldman
OBJECTIVES: Although childhood-onset proliferative lupus nephritis (cPLN) leads to significant morbidity and mortality, there is no trial evidence to support the treatment effectiveness of any therapy for cPLN. Marginal structural models (MSMs) enable us to estimate treatment effectiveness using observational data while accounting for confounding by indication. METHODS: We used prospectively collected data to examine the effect of mycophenolate mofetil (MMF), compared to the use of other therapies, on the long-term outcome of our cPLN cohort (age at onset of PLN < 18 years)...
February 9, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28181735/the-innervation-of-the-kidney-in-renal-injury-and-inflammation-a-cause-and-consequence-of-deranged-cardiovascular-control
#16
REVIEW
Mohammed H Abdulla, Edward J Johns
Extensive investigations have revealed that renal sympathetic nerves regulate renin secretion, tubular fluid reabsorption and renal haemodynamics which can impact on cardiovascular homoeostasis normally and in pathophysiological states. The significance of the renal afferent innervation and its role in determining the autonomic control of the cardiovascular system is uncertain. The transduction pathways at the renal afferent nerves have been shown to require pro-inflammatory mediators and TRPV1 channels. Reno-renal reflexes have been described, both inhibitory and excitatory, demonstrating that a neural link exists between kidneys and may determine the distribution of excretory and haemodynamic function between the two kidneys...
February 9, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28181337/deficiency-of-the-sphingosine-1-phosphate-lyase-sgpl1-is-associated-with-congenital-nephrotic-syndrome-and-congenital-adrenal-calcifications
#17
Andreas R Janecke, Ruijuan Xu, Elisabeth Steichen-Gersdorf, Siegfried Waldegger, Andreas Entenmann, Thomas Giner, Iris Krainer, Lukas A Huber, Michael W Hess, Yaacov Frishberg, Hila Barash, Shay Tzur, Nira Schreyer-Shafir, Rivka Sukenik-Halevy, Tania Zehavi, Annick Raas-Rothschild, Cungui Mao, Thomas Müller
We identified two unrelated consanguineous families with three children affected by the rare association of congenital nephrotic syndrome diagnosed in the first days of life, of hypogonadism, and of prenatally detected adrenal calcifications, associated with congenital adrenal insufficiency in one case. Using exome sequencing and targeted Sanger sequencing two homozygous truncating mutations, c.1513C>T (p.Arg505*) and c.934delC (p.Leu312Phefs*30), were identified in SGPL1 encoding sphingosine-1-phosphate lyase 1...
February 8, 2017: Human Mutation
https://www.readbyqxmd.com/read/28178390/metabolic-and-hemodynamic-effects-of-sodium-dependent-glucose-co-transporter-2-inhibitors-on-cardio-renal-protection-in-the-treatment-of-patients-with-type-2-diabetes-mellitus
#18
REVIEW
Atsunori Kashiwagi, Hiroshi Maegawa
The specific Na+/glucose co-transporter 2 inhibitors (SGLT2 inhibitors) inhibit glucose reabsorption in proximal renal tubular cells, and both fasting and postprandial glucose significantly decrease due to urinary glucose loss. As a result, pancreatic β-cell function and peripheral insulin action significantly improve with relief from glucose toxicity. Furthermore, whole body energy metabolism changes to relative glucose deficiency and triggers increased lipolysis in fat cells, and fatty acid oxidation and then ketone body production in the liver during treatment with SGLT2 inhibitors...
February 8, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28166393/donor-specific-antibodies-c1q-binding-improvement-in-kidney-graft-management
#19
Sylvie Ferrari-Lacraz
The diagnosis of acute antibody mediated rejection (ABMR) after kidney transplantation is based on three parameters: 1) decreased renal function, 2) histopathological signs of rejection, 3) presence of Donor Specific Antibody (DSA) [1]. Patient survival, as well as graft survival have improved since 5 to 10 years [2], thanks to several factors, including better management of patients, better immunosuppressive regimens, detection and avoidance of DSA. Although anti-HLA antibodies follow-up have improved ABMR management, its treatment remains challenging, and outcome may be worsened because of a delay in the diagnosis...
February 6, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28160250/thiopurines-and-methotrexate-use-in-ibd-patients-in-a-biologic-era
#20
REVIEW
Gerassimos J Mantzaris
Although we have been living in the era of biologic therapy for several decades, the use of immunomodulators (primarily thiopurines [azathioprine and mercaptopurine] and less so methotrexate) still remains an important component of the inflammatory bowel disease (IBD) pharmaceutical arsenal. Thiopurines as monotherapy exert corticosteroid-sparing effects and can maintain long-term remission in a considerable proportion of patients who have frequent relapses and are or have become mesalazine and/or corticosteroid intolerant or refractory...
February 3, 2017: Current Treatment Options in Gastroenterology
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