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chronic allograft nephropathy

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https://www.readbyqxmd.com/read/29341372/renal-transplantation-in-children-under-3%C3%A2-years-of-age-experience-from-a-single-center-study
#1
Yann Loiseau, Justine Bacchetta, Amna Klich, Bruno Ranchin, Delphine Demede, Audrey Laurent, Florent Baudin, Florentine Garaix, Pascal Roy, Pierre Cochat
RTx remains challenging in children under 3 years of age. This single-center study reviewed the medical records of children <3 years transplanted since 1987 (N = 32, Group 1). They were matched for donor type and RTx period with children aged 3-13 years (N = 32, Group 2) and 13-18 years (N = 32, Group 3). There were no between-group significant differences regarding distributions of gender, primary renal disease, proportion of dialysis before RTx, and growth (SDS). Compared to Groups 2 and 3, Group 1 had more peritoneal dialyses (P < ...
January 17, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29310811/effect-of-renin-angiotensin-system-inhibitors-on-survival-in-kidney-transplant-recipients-a-systematic-review-and-meta-analysis
#2
REVIEW
Ya-Mei Jiang, Tu-Run Song, Yang Qiu, Jin-Peng Liu, Xian-Ding Wang, Zhong-Li Huang, Tao Lin
Renin-angiotensin system inhibitors, specifically angiotensin II converting enzyme inhibitors (ACEI) and angiotensin II receptor blockers (ARB), have confirmed renoprotective benefits in patients with proteinuria and hypertension. However, it remains controversial whether these agents are beneficial to kidney recipients. We conducted this meta-analysis to evaluate the effects of ACEI/ARB treatment on patient and allograft survival after kidney transplant. The PubMed, Embase and Cochrane Library databases were searched for eligible articles from before May 2016, and we included 24 articles (9 randomised controlled trials [RCTs] and 15 cohort studies with 54,096 patients), in which patient or graft survival was compared between an ACEI/ARB treatment arm and a control arm...
January 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29285170/hmgb1-tgf-%C3%AE-and-nf-%C3%AE%C2%BAb-are-associated-with-chronic-allograft-nephropathy
#3
Shi-Qi Zhao, Zhen-Zhen Xue, Ling-Zhang Wang
The present study aimed to investigate the association between high mobility group protein B1 (HMGB1), transforming growth factor-β1 (TGF-β1), nuclear factor-κB (NF-κB) and chronic allograft nephropathy (CAN) and to identify the clinical significance of HMGB1, TGF-β1, NF-κB on patients with CAN. Between September 2012 and November 2014, 27 patients with CAN diagnosed by biopsy were enrolled in the present study and a further 30 patients that underwent nephrectomy following trauma were selected as the control group...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29229189/immunoproteasome-inhibition-prevents-chronic-antibody-mediated-allograft-rejection-in-renal%C3%A2-transplantation
#4
Jun Li, Michael Basler, Gerardo Alvarez, Thomas Brunner, Christopher J Kirk, Marcus Groettrup
Chronic antibody-mediated rejection is the major cause of fading allograft function and loss after renal transplantation. Currently, pharmacological agents for the suppression of chronic antibody-mediated rejection are lacking. Non-selective proteasome inhibitors suppress antibody-mediated allograft rejection. However, extensive adverse side effects of these inhibitors severely limit their application. In contrast, immunoproteasome inhibition is effective in preclinical models of autoimmune diseases and was applied over weeks without obvious adverse side effects...
December 4, 2017: Kidney International
https://www.readbyqxmd.com/read/29226570/campath-calcineurin-inhibitor-reduction-and-chronic-allograft-nephropathy-the-3c-study-results-of-a-randomized-controlled-clinical-trial
#5
Richard Haynes, Lisa Blackwell, Natalie Staplin, William G Herrington, Jonathan Emberson, Parminder K Judge, Benjamin C Storey, Martin J Landray, Paul N Harden, Colin Baigent, Peter Friend
Calcineurin inhibitors (CNI e.g. tacrolimus) reduce short-term kidney transplant failure, but chronic nephrotoxicity may contribute to late transplant loss. Elective conversion to inhibitors of the mammalian target of rapamycin pathway (mTOR e.g. sirolimus) might avoid long-term CNI renal damage and improve outcomes. The 3C Study was a pragmatic randomized controlled trial comprising sequential randomizations between alemtuzumab and basiliximab induction therapy (at the time of surgery) and between tacrolimus and sirolimus maintenance therapy at 6-months post-transplant...
December 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29208861/etiology-of-early-renal-allograft-dysfunction-and-comparison-between-dysfunction-and-function-group-a-single-center-study
#6
K M Hadiuzzaman, S F Islam, M O Faroque, R M Hossain, M Munirunnessa, S I Selim, M Morshed
Over a period of two years thirty five renal allograft recipients & donors were evaluated to find out the aetiology of early renal allograft dysfunction, in the Department of Nephrology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from March 2010 to February 2012. A comparison was made between dysfunction & functioning graft group. Mean age of recipients were (36.4±9.4) years, mean age of donors were (41.7±8.3) years, with a male and female ratio of 3:1. Fifty percent recipients showed one heliotype match, ninety percent recipients were anti CMV antibody IgG positive, few were anti CMV antibody IgM positive...
October 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29198660/utility-of-oxford-classification-in-post-transplant-immunoglobulin-a-nephropathy
#7
V Agrawal, A Singh, A Kaul, R Verma, M Jain, R Pandey
BACKGROUND: With increasing graft survival, post-transplant immunoglobulin A nephropathy (IgAN) has emerged as an important cause of chronic graft dysfunction in renal allograft recipients. We studied the clinico-pathological features of post-transplant IgAN regardless of the primary disease. The aim was to study the usefulness of the Oxford classification in predicting survival. METHODS: Indication graft biopsy specimens (n = 915) were received during a 10-year period; 27 biopsy specimens from 22 patients were diagnosed as IgAN...
December 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29108517/inferior-long-term-outcomes-for-kidney-transplant-recipients-with-an-immunologically-mediated-primary-renal-disease
#8
Evaldo Favi, José Alberto Rodrigues Pedroso, Maria Paola Salerno, Gionata Spagnoletti, Jacopo Romagnoli, Franco Citterio
OBJECTIVES: Recurrent glomerulonephritis can negatively affect kidney allograft survival. However, how primary renal disease affects transplant outcomes in the new era of immunosuppression remains unclear. MATERIALS AND METHODS: We categorized 426 kidney transplant recipients (performed from 1996 to 2007) into 4 disease groups: (1) 99 recipients with biopsy-proven immunologically mediated kidney disease, (2) 40 recipients with urologic disease, (3) 67 recipients with polycystic kidney disease, and (4) 220 recipients with other causes of terminal renal failure/uncertain kidney disease...
October 31, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29064181/a-mayo-clinic-13-year-investigation-of-the-syndrome-of-rapid-onset-esrd-among-renal-transplant-recipients-an-analysis-of-the-implications-of-renal-allograft-biopsy-results
#9
REVIEW
Macaulay Amechi Onuigbo, Nneoma Agbasi
INTRODUCTION: We first described the syndrome of rapid onset end stage renal disease (SORO-ESRD), acute yet irreversible renal failure, in 2010. OBJECTIVE: The impact of SORO-ESRD renal allograft survival remains speculative and we plan to study this question. METHODS: A retrospective analysis of individual adult patient-level serum creatinine trajectories of ESRD patients on maintenance hemodialysis for >90 days at Mayo Clinic, Rochester, 2001-2013...
October 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28983876/novel-missense-lcat-gene-mutation-associated-with-an-atypical-phenotype-of-familial-lcat-deficiency-in-two-portuguese-brothers
#10
I Castro-Ferreira, Rute Carmo, Sérgio Estrela Silva, Otília Corrêa, Susana Fernandes, Susana Sampaio, Rodrigues-Pereira Pedro, Augusta Praça, João Paulo Oliveira
Familial lecithin-cholesterol acyltransferase deficiency (FLD) is a rare recessive disorder of cholesterol metabolism, caused by loss-of-function mutations in the human LCAT gene, leading to alterations in the lipid/lipoprotein profile, with extremely low HDL levels.The classical FLD phenotype is characterized by diffuse corneal opacification, haemolytic anaemia and proteinuric chronic kidney disease (CKD); an incomplete form, only affecting the corneas, has been reported in a few families worldwide.We describe an intermediate phenotype of LCAT deficiency, with CKD preceding the development of corneal clouding, in two Portuguese brothers apparently homozygous for a novel missense LCAT gene mutation...
October 6, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28924461/do-the-benefits-of-transplant-tourism-amongst-nigerian-patients-outweigh-the-risks-a-single-center-experience
#11
C O Amira, B T Bello
BACKGROUND: Transplant tourism (TT) is the term used to describe travel outside one's country of abode for the sole purpose of obtaining organ transplantation services. OBJECTIVE: This study describes the characteristics and outcomes of kidney transplant tourists who were followed up in our institution. METHODS: A retrospective study was conducted on patients who underwent kidney transplantation outside the country and were followed up in our institution from 2007 to 2015...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28923650/does-renal-tubular-injury-induced-local-tissue-hypoxia-involve-post-transplantation-erythrocytosis
#12
A Unal, S Ata, C Karakurkcu, M Z Ciraci, I Kocyigit, M H Sipahioglu, B Tokgoz, O Oymak
BACKGROUND: The pathogenesis of post-transplantation erythrocytosis (PTE) is not well understood and appears to be multifactorial. Our hypothesis in this study was that several factors, including toxicity of calcineurin inhibitor, immunologic factors, and chronic allograft nephropathy, can trigger local tissue hypoxia in peritubular interstitium, which is where production of erythropoietin (EPO) takes place. This local interstitial tissue hypoxia can cause an increase in renal EPO production, which induces the development of PTE...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28904428/collapsing-glomerulopathy-a-troublemaker-for-the-renal-allograft-lessons-learnt
#13
K V Kanodia, A V Vanikar, L K Nigam, R D Patel, K S Suthar, H V Patel, H L Trivedi
Collapsing glomerulopathy (CG) is a well-recognized distinct morphological pattern of proliferative parenchymal injury leading to rapid graft failure. We conducted a single-center retrospective study to evaluate the prevalence, clinicopathological features, and prognosis of CG in renal transplant recepient. We analyzed 2518 renal allograft biopsies performed from 2007 to 2015 and correlated their clinicopathological features. The prevalence of CG was 0.83% (21 out of 2518) of allograft biopsies with a higher prevalence of 1...
September 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28832357/recurrent-glomerular-disease-after-kidney-transplantation
#14
Christopher D Blosser, Roy D Bloom
PURPOSE OF REVIEW: With improving short-term kidney transplant outcomes, recurrent glomerular disease is being increasingly recognized as an important cause of chronic allograft failure. Further understanding of the risks and pathogenesis of recurrent glomerular disease enable informed transplant decisions, along with the development of preventive and treatment strategies. RECENT FINDINGS: Multiple observational studies have highlighted differences in rates and outcomes for various recurrent glomerular diseases, although these rates have not markedly improved over the last decade...
November 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28710896/renal-allograft-histology-at-10-years-after-transplantation-in-the-tacrolimus-era-evidence-of-pervasive-chronic-injury
#15
M D Stegall, L D Cornell, W D Park, B H Smith, F G Cosio
Improving long-term renal allograft survival remains an important unmet need. To assess the extent of histologic injury at 10 years after transplantation in functioning grafts, we studied 575 consecutive adult solitary renal transplants performed between 2002 and 2005: 77% from living donors and 81% maintained on tacrolimus-based immunosuppression. Ten-year graft survival was 59% and death-censored graft survival was 74%. Surveillance allograft biopsies were assessed at implantation, 5 years, and 10 years from 145 patients who reached 10 years...
July 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28706180/serum-uric-acid-and-arterial-function-after-renal-transplantation
#16
Frederic Bauer, Nikolaos Pagonas, Felix S Seibert, Walter Zidek, Richard Viebahn, Nina Babel, Timm H Westhoff
BACKGROUND Hyperuricemia is associated with an increased risk of cardiovascular disease and chronic allograft nephropathy after renal transplantation. It has recently been demonstrated that treatment of asymptomatic hyperuricemia is associated with improved patient and graft survival; although, the underlying mechanisms remain elusive. The present study investigated the association of serum uric acid (SUA) and systemic arterial function after renal transplantation. MATERIAL AND METHODS In a cross-sectional study, arterial function was analyzed in 54 renal transplant recipients by means of pulse wave analysis...
July 14, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28700465/alemtuzumab-versus-antithymocyte-globulin-induction-therapies-in-kidney-transplantation-patients-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#17
REVIEW
Jianming Zheng, Wenli Song
Alemtuzumab (ALEM) is widely used as an induction therapy for organ transplantation, and numerous randomized controlled trials (RCTs) have been published to evaluate its efficacy and safety in kidney transplantation as compared with antithymocyte globulin (ATG). The purpose of this study was to compare the benefits and safety of ALEM with those of ATG for induction therapy.A systematic literature search in three electronic databases, including PubMed, EmBase, and Cochrane Library, since inception through October 2016, was conducted to identify potential RCTs for inclusion...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28698834/biomarkers-in-renal-transplantation-an-updated-review
#18
REVIEW
Maurizio Salvadori, Aris Tsalouchos
Genomics, proteomics and molecular biology lead to tremendous advances in all fields of medical sciences. Among these the finding of biomarkers as non invasive indicators of biologic processes represents a useful tool in the field of transplantation. In addition to define the principal characteristics of the biomarkers, this review will examine the biomarker usefulness in the different clinical phases following renal transplantation. Biomarkers of ischemia-reperfusion injury and of delayed graft function are extremely important for an early diagnosis of these complications and for optimizing the treatment...
June 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28676864/innate-immune-response-in-kidney-ischemia-reperfusion-injury-potential-target-for-therapy
#19
REVIEW
Aleksandra Kezić, Natasa Stajic, Friedrich Thaiss
Acute kidney injury caused by ischemia and subsequent reperfusion is associated with a high rate of mortality and morbidity. Ischemia/reperfusion injury in kidney transplantation causes delayed graft function and is associated with more frequent episodes of acute rejection and progression to chronic allograft nephropathy. Alloantigen-independent inflammation is an important process, participating in pathogenesis of injurious response, caused by ischemia and reperfusion. This innate immune response is characterized by the activity of classical cells belonging to the immune system, such as neutrophils, macrophages, dendritic cells, lymphocytes, and also tubular epithelial cells and endothelial cells...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28670579/assessment-of-circulating-protein-signatures-for-kidney-transplantation-in-pediatric-recipients
#20
Tara K Sigdel, Minnie M Sarwal
Identification and use of non-invasive biomarkers for kidney transplantation monitoring is an unmet need. A total of 121 biobanked sera collected from 111 unique kidney transplant (KT) patients (children and adolescent) and 10 age-matched healthy normal controls were used to profile serum proteins using semi-quantitative proteomics. The proteomics data were analyzed to identify panels of serum proteins that were specific to various transplant injuries, which included acute rejection (AR), BK virus nephropathy (BKVN), and chronic allograft nephropathy (CAN)...
2017: Frontiers in Medicine
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