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cmv in renal transplant

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https://www.readbyqxmd.com/read/27860123/cytomegalovirus-and-cancer-after-kidney-transplantation-role-of-the-human-leukocyte-antigen-system
#1
Germaine Wong, Aron Chakera, Jeremy R Chapman, Steve C Chadban, Helen Pilmore, Jonathan C Craig, Wai H Lim
BACKGROUND: The role of cytomegalovirus (CMV) in cancer development after transplantation remains uncertain. We aimed to determine the association between donor and recipient CMV serological status and the risk of cancer development after kidney transplantation. METHODS: Using data from the Australian and New Zealand Dialysis and Transplant (ANZDATA) Registry, we assessed the association between CMV donor/recipient (D/R) serological status and the risk of solid organ cancers in primary adult deceased-donor kidney transplant patients between 1990 and 2012...
November 12, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27858871/case-report-brincidofovir-induced-reversible-severe-acute-kidney-injury-in-2-solid-organ-transplant-for-treatment-of-cytomegalovirus-infection
#2
Emmanuel Faure, Tatiana Galperine, Olivier Cannesson, Sophie Alain, Viviane Gnemmi, Celine Goeminne, Annie Dewilde, Johana Béné, Mohamed Lasri, Célia Lessore de Sainte Foy, Arnaud Lionet
RATIONALE: Resistant cytomegalovirus-mediated infections are increasing in solid organ recipient with few available alternative treatments. Brincidofovir is an oral broad-spectrum antiviral in development for prevention and treatment of viral infection, particularly cytomegalovirus. PATIENTS CONCERNS: Although brincidofovir is an analogue of cidofovir, previous studies reported no renal toxicity. DIAGNOSES: Here, we report 2 cases of severe tubular necrosis in solid organ recipients, 1 heart and 1 kidney transplant...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27849440/use-of-cidofovir-for-cytomegalovirus-disease-refractory-to-ganciclovir-in-solid-organ-recipients
#3
Hugo Bonatti, Costi D Sifri, Clara Larcher, Stefan Schneeberger, Camille Kotton, Christian Geltner
BACKGROUND: Solid organ transplantation (SOT) frequently is complicated by cytomegalovirus (CMV) infections. Cidofovir (CDV) is active against CMV, including many ganciclovir (GCV)-resistant mutants, but often is considered to be too nephrotoxic for use after organ transplantation. PATIENTS AND METHODS: Seven males and two females (median age 50.1 years), including two kidney/pancreas, four lung, one small bowel, and two hand recipients, received CDV for refractory CMV disease...
November 16, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27846155/effect-of-ex-vivo-expanded-recipient-regulatory-t-cells-on-hematopoietic-chimerism-and-kidney-allograft-tolerance-across-mhc-barriers-in-cynomolgus-macaques
#4
Raimon Duran-Struuck, Hugo P Sondermeijer, Leo Bühler, Paula Alonso-Guallart, Jonah Zitsman, Yojiro Kato, Anette Wu, Alicia N McMurchy, David Woodland, Adam Griesemer, Mercedes Martinez, Svetlan Boskovic, Tatsuo Kawai, A Benedict Cosimi, Cheng-Shie Wuu, Andrea Slate, Markus Mapara, Sam Baker, Rafal Tokarz, Vivette Dʼ Agati, Scott Hammer, Marcus Pereira, W Ian Lipkin, Thomas Wekerle, Megan Levings, Megan Sykes
BACKGROUND: Infusion of recipient regulatory T cells (Treg) promotes durable mixed hematopoietic chimerism and allograft tolerance in mice receiving allogeneic BMT with minimal conditioning. We applied this strategy in a Cynomolgus macaque model. METHODS: CD4+CD25high Treg that were polyclonally expanded in culture were highly suppressive in vitro and maintained high expression of FoxP3. Eight monkeys underwent nonmyeloablative conditioning and MHC-mismatched BMT with or without Treg infusion...
November 15, 2016: Transplantation
https://www.readbyqxmd.com/read/27805519/colon-biopsy-findings-of-renal-transplant-patients
#5
Firdevs Zeynep Taştepe, Gonca Özgün, Binnaz Handan Özdemir, Merih Tepeoğlu, Mehmet Haberal
OBJECTIVES: The purpose of this study was to evaluate colonic pathologies in renal transplant recipients. MATERIALS AND METHODS: Patients with colon biopsies were selected from 1816 renal transplant recipients from January 1990 to December 2012 at Baskent University Hospital (Ankara, Turkey). Demographic and clinical findings with colon biopsies were examined. RESULTS: There were 84 patients who had colon biopsies after renal transplant. There were 57 male and 27 female patients (median age at renal transplant was 33 y)...
November 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27793122/acute-pancreatitis-associated-with-everolimus-after-kidney-transplantation-a-case-report
#6
Francesco Fontana, Gianni Cappelli
BACKGROUND: Acute pancreatitis (AP) following KT is a rare and often fatal complication of the early post-transplant period. Common causative factors for AP are rare after KT; anti-rejection drugs as CyA, prednisone and MMF have been implicated, although evidence is not strong and we found no reports on possible causative role for mTOR inhibitors. CASE PRESENTATION: A 55-year-old Caucasian man with end-stage renal disease due to idiopathic membrano-prolipherative glomerulonephritis underwent single kidney transplantation (KT) from cadaveric donor...
October 28, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27775825/impact-of-type-of-calcineurin-inhibitor-on-post-transplant-tuberculosis-single-center-study-from-india
#7
Sanjay K Agarwal, Dipankar Bhowmik, Sandeep Mahajan, Soumita Bagchi
INTRODUCTION: Tuberculosis (TB) is an important cause of morbidity and mortality in renal transplant recipient (RTR). Immunosuppressive drugs are one of the most important risk factor for post-transplant tuberculosis (PTTB). A paucity of data exists about the impact of the type of calcineurin inhibitor on PTTB. METHODS: In this retrospective study, all adult patients on calcineurin inhibitor-based immunosuppression were included. Patients receiving TB chemoprophylaxis were excluded...
October 24, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27761671/preemptive-kidney-transplantation-a-propensity-score-matched-cohort-study
#8
Masayoshi Okumi, Yasuyuki Sato, Kohei Unagami, Toshihito Hirai, Hideki Ishida, Kazunari Tanabe
BACKGROUND: The reasons for improved outcomes associated with preemptive kidney transplantation (PKT) are incompletely understood, and post-transplant complications have been scarcely investigated. METHODS: We evaluated the outcomes of PKT in both unmatched (n = 1060) and propensity score matched cohorts (n = 186) of adults who underwent living kidney transplant between 2000 and 2014. Outcomes were estimated glomerular filtration rate (eGFR), biopsy-proven rejection, cytomegalovirus (CMV) infection, post-transplant diabetes mellitus (PTDM), cardiovascular disease (CVD), graft failure (non-censored for death), and malignancy...
October 19, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/27755502/primary-human-renal-derived-tubular-epithelial-cells-fail-to-recognize-and-suppress-bk-virus-infection
#9
Hanneke de Kort, Kirstin M Heutinck, Jurjen M Ruben, Alessa E Valverde da Silva, Katja C Wolthers, Jörg Hamann, Ineke J M Ten Berge
BACKGROUND: BK polyomavirus (BKV)-associated nephropathy is a threat to kidney allograft survival affecting up to 15% of renal transplant patients. Previous studies revealed that tubular epithelial cells (TEC) show a limited response towards BKV infection. Here we investigated the interplay between BKV and TEC in more detail. In particular, we questioned whether BKV suppresses and/or evades antiviral responses. METHODS: Human primary tubular epithelial cells (TEC) and peripheral blood mononuclear cells were infected with BKV Dunlop strain or other viruses...
October 17, 2016: Transplantation
https://www.readbyqxmd.com/read/27753183/tolerability-of-up-to-200%C3%A2-days-of-prophylaxis-with-valganciclovir-oral-solution-and-or-film-coated-tablets-in-pediatric-kidney-transplant-recipients-at-risk-of-cytomegalovirus-disease
#10
G Varela-Fascinetto, C Benchimol, R Reyes-Acevedo, M Genevray, D Bradley, J Ives, H T Silva
This multicenter, open-label study evaluated the tolerability of extended prophylaxis with valganciclovir in pediatric kidney transplant recipients at risk of CMV disease. Fifty-six patients aged 4 months to 16 years received once-daily valganciclovir oral solution and/or tablets, dosed by BSA and renal function, for up to 200 days. The most common AEs on treatment were upper respiratory tract infection (33.9%), urinary tract infection (33.9%), diarrhea (32.1%), leukopenia (25.0%), neutropenia (23.2%), and headache (21...
October 17, 2016: Pediatric Transplantation
https://www.readbyqxmd.com/read/27751774/polymorphism-in-programmed-cell-death-1-gene-is-strongly-associated-with-lung-and-kidney-allograft-survival-in-recipients-from-cmv-positive-donors
#11
Catherine Forconi, Philippe Gatault, Elodie Miquelestorena-Standley, Johan Noble, Sally Al-Hajj, Romain Guillemain, Marc Stern, Thomas Hoffmann, Louis Prat, Caroline Suberbielle, Emeline Masson, Anne Cesbron-Gautier, Catherine Gaudy-Graffin, Alain Goudeau, Gilles Thibault, Fabrice Ivanes, Roseline Guibon, Ihab Kazma, Yvon Lebranchu, Matthias Büchler, Antoine Magnan, Jean-Michel Halimi, Christophe Baron
BACKGROUND: Cytomegalovirus (CMV) has a role in chronic rejection and graft loss in kidney transplant (KTx) and lung transplant (LTx) recipients. In addition, donor CMV seropositivity is an independent risk factor for renal graft loss. The anti-CMV response might modulate this risk. Expression of programmed cell death 1 (PD-1), a receptor involved in viral-specific T-cell exhaustion, is influenced by a single nucleotide polymorphism called PD-1.3 (wild-type allele G, variant allele A)...
August 26, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/27743434/molecular-analysis-of-ganciclovir-resistant-cytomegalovirus-in-renal-transplant-recipients-with-high-viral-load
#12
Majid Sohrabi, Farida Behzadian, Seied Mohammad Javad Hosseini, Hadi Lashini
BACKGROUND: Gancyclovir-resistant (GanR) cytomegalovirus (CMV) remains an issue, especially in solid organ transplant (SOT) recipients. Some mutations in UL54 and UL97 confer this resistance. Long-lasting high-dose drug exposure, high viral load, together with lack of sufficient compliance with treatment may account for these mutations. The aim of this study was to detect UL97 and UL54 putative mutations conferring ganciclovir-resistance in renal organ transplant recipients with high CMV load...
October 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27742281/cryptococcosis-in-renal-transplant-recipients-a-single-center-experience
#13
S Marques, R Carmo, I Ferreira, M Bustorff, S Sampaio, M Pestana
BACKGROUND: In solid organ transplant patients, 8% of invasive fungal infections are attributed to Cryptococcus. The aim of this study was to determine the frequency, risk factors, clinical characteristics, and outcome of kidney transplant recipients (TR) infected with Cryptococcus. CASE SERIES: Between 2007 and 2014, a total of 500 kidney transplantations were performed at São João Hospital, in Porto, Portugal. Six infections by C. neoformans were reported, an incidence of 1...
September 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27733107/a-prospective-randomized-comparative-trial-of-high-dose-mizoribine-versus-mycophenolate-mofetil-in-combination-with-tacrolimus-and-basiliximab-for-living-donor-renal-transplant-a-multicenter-trial
#14
Hideki Ishida, Shiro Takahara, Noritoshi Amada, Shinji Tomikawa, Tatsuya Chikaraishi, Kota Takahashi, Kazuhiro Uchida, Takahiro Akiyama, Kazunari Tanabe, Hiroshi Toma
OBJECTIVES: Our objectives were to compare the clinical outcomes of mizoribine (12 mg/kg/d) and mycophenolate mofetil (2000 mg/d) in combination with tacrolimus, basiliximab, and corticosteroids. MATERIALS AND METHODS: We enrolled 83 recipients of living-donor renal transplant (performed between 2008 and 2013) in this study. This prospective multi-institutional randomized comparative study compared mizoribine (n = 41) and mycophenolate mofetil (n = 42) in combination with tacrolimus, basiliximab, and corticosteroids for living-donor renal transplant recipients...
October 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27721964/correlation-between-cmv-infection-and-post-transplantation-new-onset-diabetes-mellitus
#15
I Dedinská, Ľ Laca, J Miklušica, D Kantárová, P Galajda, M Mokáň
BACKGROUND: New-onset diabetes mellitus after transplantation (NODAT) is a well-known complication of transplantation. OBJECTIVE: To determine the correlation between CMV infection and NODAT. METHODS: Retrospectively, we detected CMV replication (PCR) in every month after renal transplantation in the first 12 months of the procedure in a homogenous group of patients from the immunosuppression point of view. RESULTS: In 167 patients (64 with NODAT and 103 in the control group), the average amount of CMV viremia was not significantly different between the NODAT and the control group (p=0...
2016: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/27716059/il-23-plasma-level-is-strongly-associated-with-cmv-status-and-reactivation-of-cmv-in-renal-transplant-recipients
#16
Mahmoud Sadeghi, Imad Lahdou, Gerhard Opelz, Arianeb Mehrabi, Martin Zeier, Paul Schnitzler, Volker Daniel
BACKGROUND: Cytomegalovirus seropositivity is an independent risk factor for atherosclerosis in patients with ESRD. Donor CMV seropositivity is associated with higher graft loss. Dendritic cells, macrophages and Th17 lymphocytes are defined as producers of IL-23. IL-23 is thought to be involved in the promotion of Th17 cell polarization. Latent CMV-induced Th17 might be involved in the pathogenesis of CMV infection in patients with ESRD. We aimed to evaluate associations of Th17-dependent cytokines with ESRD, CMV status and post-transplant outcome in kidney transplantation...
October 3, 2016: BMC Immunology
https://www.readbyqxmd.com/read/27703835/strongyloides-hyperinfection-syndrome-combined-with-cytomegalovirus-infection
#17
Fatehi Elnour Elzein, Mohammed Alsaeed, Sulafa Ballool, Ashraf Attia
The mortality in Strongyloides hyperinfection syndrome (SHS) is alarmingly high. This is particularly common in bone marrow, renal, and other solid organ transplant (SOT) patients, where figures may reach up to 50-85%. Immunosuppressives, principally corticosteroids, are the primary triggering factor. In general, the clinical features of Strongyloides stercoralis hyperinfection are nonspecific; therefore, a high index of suspicion is required for early diagnosis and starting appropriate therapy. Although recurrent Gram-negative sepsis and meningitis have been previously reported, the combination of both cytomegalovirus (CMV) and strongyloidiasis had rarely been associated...
2016: Case Reports in Transplantation
https://www.readbyqxmd.com/read/27684379/randomized-controlled-trials-to-define-viral-load-thresholds-for-cytomegalovirus-pre-emptive-therapy
#18
Paul D Griffiths, Emily Rothwell, Mohammed Raza, Stephanie Wilmore, Tomas Doyle, Mark Harber, James O'Beirne, Stephen Mackinnon, Gareth Jones, Douglas Thorburn, Frank Mattes, Gaia Nebbia, Sowsan Atabani, Colette Smith, Anna Stanton, Vincent C Emery
BACKGROUND: To help decide when to start and when to stop pre-emptive therapy for cytomegalovirus infection, we conducted two open-label randomized controlled trials in renal, liver and bone marrow transplant recipients in a single centre where pre-emptive therapy is indicated if viraemia exceeds 3000 genomes/ml (2520 IU/ml) of whole blood. METHODS: Patients with two consecutive viraemia episodes each below 3000 genomes/ml were randomized to continue monitoring or to immediate treatment (Part A)...
2016: PloS One
https://www.readbyqxmd.com/read/27643978/targeted-preemptive-therapy-according-to-perceived-risk-of-cmv-infection-after-kidney-transplantation
#19
Cahue Henrique Pinto, Helio Tedesco-Silva, Claudia Rosso Felipe, Alexandra Nicolau Ferreira, Marina Cristelli, Laila Almeida Viana, Wilson Aguiar, José Medina-Pestana
BACKGROUND: The identification of the best strategy to manage cytomegalovirus infection is hampered by uncertainties regarding the risk/benefit ratios of universal prophylaxis versus preemptive therapy, the impact of indirect cytomegalovirus effects and the associated costs. This study investigated the efficacy and safety of targeted preemptive therapy according to perceived risk of cytomegalovirus infection after kidney transplantation. METHODS: 144 adult kidney transplant recipients were enrolled in this 12-month study...
September 24, 2016: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27639246/multicenter-evaluation-of-efficacy-and-safety-of-low-dose-versus-high-dose-valganciclovir-for-prevention-of-cmv-disease-in-donor-and-recipient-positive-d-r-renal-transplant-recipients
#20
S Heldenbrand, C Li, R P Cross, K A DePiero, T B Dick, K Ferguson, M Kim, E Newkirk, J M Park, J Sudaria-Kerr, E M Tichy, K R Ueda, R Weng, J Wisniewski, S Gabardi
BACKGROUND: The cytomegalovirus (CMV) donor-positive/recipient-positive (D+/R+) population is the largest proportion of renal transplant recipients (RTR). Guidelines for prevention of CMV in the intermediate-risk D+/R+ population include prophylaxis with valganciclovir (VGCV) 900 mg/day for 3 months. This study is the first head-to-head analysis comparing the efficacy and safety CMV prophylaxis of VGCV 450 vs. 900 mg/day for 3-months in D+/R+ RTR. METHODS: A multicenter, retrospective analysis evaluated 478 adult RTR between 01/2008 and 10/2011...
September 17, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
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