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cmv in renal transplant

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https://www.readbyqxmd.com/read/28406085/a-single-center-kidney-transplant-experience-among-ten-caucasian-females-with-end-stage-renal-disease-due-to-scleroderma%C3%A2
#1
Nishkarsh Saxena, Arjang Djamali, Brad C Astor, Maha Mohamed, Didier Mandelbrot, Sandesh Parajuli
There is limited information on kidney transplant recipients with end-stage renal disease (ESRD) due to scleroderma. We conducted an observational study on kidney transplant recipients with ESRD due to scleroderma who received kidney transplant at our center between 01/1994 and 06/2013. During the study period, there were 10 kidney transplant recipients, all of whom were Caucasian females. Seven of them were living-donor kidney transplant recipients, and the mean age at time of transplant was 56.6 ± 11.99 years...
April 13, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28384413/comparative-effectiveness-of-tacrolimus-based-steroid-sparing-versus-steroid-maintenance-regimens-in-kidney-transplantation-results-from-discrete-event-simulation
#2
Vibha C A Desai, Yann Ferrand, Teresa M Cavanaugh, Christina M L Kelton, J Jaime Caro, Jens Goebel, Pamela C Heaton
BACKGROUND: Corticosteroids used as immunosuppressants to prevent acute rejection (AR) and graft loss (GL) following kidney transplantation are associated with serious cardiovascular and other adverse events. Evidence from short-term randomized controlled trials suggests that many patients on a tacrolimus-based immunosuppressant regimen can withdraw from steroids without increased AR or GL risk. OBJECTIVES: To measure the long-term tradeoff between GL and adverse events for a heterogeneous-risk population and determine the optimal timing of steroid withdrawal...
April 1, 2017: Medical Decision Making: An International Journal of the Society for Medical Decision Making
https://www.readbyqxmd.com/read/28370833/infectious-complications-in-indigenous-renal-transplant-recipients-in-western-australia
#3
Peter Boan, Ramyasuda Swaminathan, Ashley Irish
BACKGROUND: Infectious complications remain a significant risk following renal transplantation. AIMS: To examine the burden and pattern of infection following renal transplantation in Aboriginal and Torres Strait Islanders (ATSI) compared to non-ATSI. METHODS: Retrospective cohort study of 141 consecutive adult renal transplant recipients in Western Australia between 2005 and 2011. We determined baseline serological status for relevant organisms, the number of patients with specific infections and infectious admission in the first year post transplantation and the rate of infectious death during follow up...
April 3, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28369203/risk-factors-and-outcomes-of-ganciclovir-resistant-cytomegalovirus-infection-in-solid-organ-transplant-recipients
#4
C E Fisher, J L Knudsen, E D Lease, K R Jerome, R M Rakita, M Boeckh, A P Limaye
Background: Ganciclovir-resistant (ganR)-CMV is an emerging and important problem in solid-organ transplant (SOT) recipients. Only through direct comparison of ganR- and ganciclovir-sensitive (ganS)-CMV infection can risk factors and outcomes attributable specifically to ganciclovir resistance be appropriately determined. Methods: We performed a retrospective, case-control (1:3) study of SOT recipients with genotypically-confirmed ganR-CMV (n=37) and ganS-CMV infection (n=109), matched by donor/recipient CMV serostatus, year and organ transplanted, and clinical manifestation...
March 29, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28368496/characterization-of-human-cytomegalovirus-genome-diversity-in-immunocompromised-hosts-by-whole-genomic-sequencing-directly-from-clinical-specimens
#5
E Hage, G S Wilkie, S Linnenweber-Held, A Dhingra, N M Suárez, J J Schmidt, P Kay-Fedorov, E Mischak-Weissinger, A Heim, A Schwarz, T F Schulz, A J Davison, T Ganzenmueller
Background: Advances in next-generation sequencing (NGS) technologies allow comprehensive studies of genetic diversity over the entire genome of human cytomegalovirus (HCMV), a significant pathogen for immunocompromised individuals. Methods: NGS was performed on target-enriched sequence libraries prepared directly from a variety of clinical specimens (blood, urine, breast-milk, respiratory samples, biopsies and vitreous humor) obtained longitudinally or from different anatomical compartments from 20 HCMV-infected patients (renal transplant recipients, stem cell transplant recipients and congenitally infected children)...
March 27, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28355408/evaluation-of-diagnostic-tests-for-cytomegalovirus-active-infection-in-renal-transplant-recipients
#6
Rodrigo Fontanive Franco, Rosangela Munhoz Montenegro, Alice Beatriz Mombach Pinheiro Machado, Fernanda de Paris, Denise Silva Menezes, Roberto Ceratti Manfro
INTRODUCTION: Cytomegalovirus (CMV) infection is a main viral infection after kidney transplantation. The diagnostic methods currently employed are pp65 antigenemia and nucleic acid amplification by polymerase chain reaction (PCR) and aim at detecting viral replication. OBJECTIVE: The goal of this study was to evaluate and compare by both methods the incidence of CMV active infection in kidney transplant patients and to establishthe best clinical-laboratory correlation...
March 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/28296035/sepsis-after-renal-transplantation-clinical-immunological-and-microbiological-risk-factors
#7
Thomas Schachtner, Maik Stein, Petra Reinke
BACKGROUND: As immunosuppressive therapy and allograft survival have improved, the increased incidence of sepsis has become a major hurdle of disease-free survival after renal transplantation. METHODS: We identified 112 of 957 kidney transplant recipients (KTRs) with sepsis. 31 KTRs developed severe sepsis or septic shock, and 30 KTRs died from sepsis. KTRs without sepsis were used for comparison. CMV-specific and alloreactive T-cells were measured using an interferon-γ Elispot-assay...
March 11, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28270092/validation-of-t-track%C3%A2-cmv-to-assess-the-functionality-of-cytomegalovirus-reactive-cell-mediated-immunity-in-hemodialysis-patients
#8
Bernhard Banas, Carsten A Böger, Gerhard Lückhoff, Bernd Krüger, Sascha Barabas, Julia Batzilla, Mathias Schemmerer, Josef Köstler, Hanna Bendfeldt, Anne Rascle, Ralf Wagner, Ludwig Deml, Joachim Leicht, Bernhard K Krämer
BACKGROUND: Uncontrolled cytomegalovirus (CMV) replication in immunocompromised solid-organ transplant recipients is a clinically relevant issue and an indication of impaired CMV-specific cell-mediated immunity (CMI). Primary aim of this study was to assess the suitability of the immune monitoring tool T-Track® CMV to determine CMV-reactive CMI in a cohort of hemodialysis patients representative of patients eligible for renal transplantation. Positive and negative agreement of T-Track® CMV with CMV serology was examined in 124 hemodialysis patients, of whom 67 (54%) revealed a positive CMV serostatus...
March 7, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28261220/dual-role-of-natural-killer-cells-on-graft-rejection-and-control-of-cytomegalovirus-infection-in-renal-transplantation
#9
REVIEW
Miguel López-Botet, Carlos Vilches, Dolores Redondo-Pachón, Aura Muntasell, Aldi Pupuleku, José Yélamos, Julio Pascual, Marta Crespo
Allograft rejection constitutes a major complication of solid organ transplantation requiring prophylactic/therapeutic immunosuppression, which increases susceptibility of patients to infections and cancer. Beyond the pivotal role of alloantigen-specific T cells and antibodies in the pathogenesis of rejection, natural killer (NK) cells may display alloreactive potential in case of mismatch between recipient inhibitory killer-cell immunoglobulin-like receptors (KIRs) and graft HLA class I molecules. Several studies have addressed the impact of this variable in kidney transplant with conflicting conclusions; yet, increasing evidence supports that alloantibody-mediated NK cell activation via FcγRIIIA (CD16) contributes to rejection...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28260458/successful-cost-effective-prevention-of-cytomegalovirus-disease-in-kidney-transplant-recipients-using-low-dose-valganciclovir
#10
Osama Gheith, Medhat A Halim, Torki Al-Otaibi, Hany Mansour, Ahmed Mosaad, Hassanein Abo Atteya, Zakaria Zakaria, Tarek Said, Prasad Nair, Narayanam Nampoory
OBJECTIVES: Low-dose valganciclovir prophylaxis is still under investigation in renal transplant procedures. Our aim was to assess the cost effectiveness of 450 mg versus 900 mg valganciclovir prophylaxis in kidney transplant recipients. MATERIALS AND METHODS: In this prospective trial, 201 kidney transplant patients were randomized (1:1) to receive 450 mg/d (group 1, n = 100) or 900 mg/d (group 2, n = 101) valganciclovir prophylaxis for the first 6 months after transplant...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28260447/preliminary-results-of-a-newly-established-organ-transplantation-program-in-a-teaching-hospital
#11
Hammam Momani, Samer Algeizawi, Badia Shamoun, Atef Abu Taha, Hamed Alshakhatreh, Abdel-Hadi Breizat
OBJECTIVES: End-stage renal disease is the complete failure of kidney function; kidney transplant offers the best survival advantage. We analyzed data from Al-Basheer Hospital's newly established transplant program and present our kidney transplant results from the first year of operation. MATERIALS AND METHODS: Between April 2015 and June 2016, 20 kidney transplants were performed (19 living-related donors and 1 deceased donor). We assessed the demographic data, surgical techniques employed, complications, immunosuppressive drugs used, and graft and patient survival rates...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28260443/outcome-of-renal-transplant-in-recipients-with-vasculitis
#12
Samia Barbouch, Meriam Hajji, Raja Aoudia, Monther Ounissi, Asma Zammouri, Rym Goucha, Fathi Ben Hamida, Mohammed Mongi Bacha, Ezzedine Abderrahim, Taieb Ben Abdallah
OBJECTIVES: End-stage renal disease develops in a high percentage of patients with vasculitis, in whom kidney transplant has become a therapeutic option. However, limited data are available on the prognosis and outcomes after kidney transplant in these patients. We aimed to compare the long-term graft survival and graft function in 8 renal transplant recipients with vasculitis (granulomatosis with polyangiitis, microscopic polyangiitis, Goodpasture syndrome, and Henoch-Schonlein purpura) with the other kidney recipients at a single center...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28219580/use-of-anti-thymocyte-globulin-for-induction-therapy-in-cardiac-transplantation-a-review
#13
V Ruan, L S C Czer, M Awad, M Kittleson, J Patel, F Arabia, F Esmailian, D Ramzy, J Chung, M De Robertis, A Trento, J A Kobashigawa
The most common causes of death after heart transplantation (HTx) include acute rejection and multi-organ failure in the early period and malignancy and cardiac allograft vasculopathy (CAV) in the late period. Polyclonal antibody preparations such as rabbit anti-thymocyte globulin (ATG) may reduce early acute rejection and the later occurrence of CAV after HTx. ATG therapy depletes T cells, modulates adhesion and cell-signaling molecules, interferes with dendritic cell function, and induces B-cell apoptosis and regulatory and natural killer T-cell expansion...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28217592/profile-of-infections-in-renal-transplant-recipients-from-india
#14
Arun Kumar, Chaturbhuj Agarwal, Ashok K Hooda, Ashutosh Ojha, Mukesh Dhillon, K V S Hari Kumar
BACKGROUND: Infectious disorders are a major cause of concern in renal transplant recipients (RTRs) leading to considerable morbidity and mortality. We studied the profile and outcomes of infectious disorders in a cohort of RTR. MATERIALS AND METHODS: In this prospective, observational study, we evaluated all RTR who presented with the features of infection. We also included asymptomatic patients with microbiological evidence of infection. We excluded patients with acute rejection, drug toxicity, and malignancy...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28203327/a-rapid-screening-test-on-dried-blood-for-the-neonatal-diagnosis-of-tyrosinemia-type-i
#15
Farahnaz Bodaghkhan, Bita Geramizadeh, Abbas Abdollah Rajeh, Mahmoud Haghighat, Mohsen Dehghani, Naser Honar, Mojgan Zahmatkeshan, Mohammad-Hadi Imanieh
BACKGROUND: Tyrosinemia is an inherited metabolic disorder characterized by elevated levels of tyrosine and its metabolites in plasma. Without treatment, the disease will progress to hepatic and renal failure, so that without liver transplantation will cause death in less than 10 years of age. So, early diagnosis and treatment can be life saving and crucial. It means that with early treatment starting in the neonatal period, the patient can have normal life with very few restrictions in diets containing tyrosine and phenylalanine...
October 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/28199780/cytomegalovirus-responsive-cd8-t-cells-expand-after-solid-organ-transplantation-in-the-absence-of-cmv-disease
#16
L E Higdon, J Trofe-Clark, S Liu, K B Margulies, M K Sahoo, E Blumberg, B A Pinsky, J 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 the 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 immediate-early-1 and pp65 were analyzed in 16 CMV-seropositive kidney and heart transplant recipients longitudinally pretransplantation and posttransplantation...
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
#17
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/28184381/a-multicenter-longitudinal-interventional-double-blind-randomized-clinical-trial-in-hematopoietic-cell-transplant-recipients-residing-in-remote-areas-lessons-learned-from-the-late-cytomegalovirus-prevention-trial
#18
Louise E Kimball, Terry Stevens-Ayers, Margaret L Green, Hu Xie, Mary E D Flowers, Keith R Jerome, Renee LeBlanc, Christi Dahlgren, W Garrett Nichols, Roy F Chemaly, G Papanicolaou, Michael Boeckh
PURPOSE: The logistics of conducting double-blinded phase III clinical trials with participants residing in remote locations are complex. Here we describe the implementation of an interventional trial for the prevention of late cytomegalovirus (CMV) disease in hematopoietic cell transplantation (HCT) subjects in a long-term follow-up environment. METHODS: A total of 184 subjects at risk for late CMV disease surviving 80 days following allogeneic HCT were randomized to receive six months of valganciclovir or placebo...
December 15, 2016: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/28089555/epstein-barr-virus-and-renal-transplantation
#19
REVIEW
Jade Le, Christine M Durand, Irfan Agha, Daniel C Brennan
Epstein-Barr virus (EBV) is a gamma herpesvirus associated with diseases ranging from asymptomatic viremia to post-transplant malignancies in kidney transplant recipients. EBV specifically is associated with post-transplantation lymphoproliferative disorder (PTLD), in kidney transplant recipients, with increased risk in EBV seronegative patients with EBV seropositive donors on intensified immunosuppression. The diagnosis of PTLD relies on clinical suspicion plus tissue biopsy with polymerase chain reaction (PCR) testing of blood currently used for risk determination in high-risk recipients...
January 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28088953/-research-of-mhla-g-and-the-receptor-expression-with-kidney-rejection-and-cmv-active-infection-following-kidney-transplantation
#20
L L Bi, Y Gao, Y J Sun, X R Kong, X Y He, X H Ma, W H Zhang, L Xiao, B Y Shi
Objective: To study the expression of membrane HLA-G (mHLA-G) and the receptor immunoglobulin-like transcript 2(ILT2) on lymphocyte and find their association with rejection and cytomegalovirus (CMV) infection after renal transplantation. Methods: A total of 88 cases of renal transplant recipients for the first time from February 2014 to February 2016 were studied in this work. Recipients can be divided into rejection group (n=12) and stable renal function group (n=41) according to whether rejection occurred...
January 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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