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Renal Transplantation

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155 papers 100 to 500 followers
By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
https://www.readbyqxmd.com/read/28291767/new-dimensions-in-renal-transplant-sonography-applications-of-3-dimensional-ultrasound
#1
Susan J Frank, William R Walter, Larry Latson, Hillel W Cohen, Mordecai Koenigsberg
BACKGROUND: The aim of this study is to demonstrate the usefulness of adding 3-dimensional (3D) ultrasound in evaluation of renal transplant vasculature compared to 2-dimensional (2D) Duplex ultrasound. METHODS: One hundred thirteen consecutive renal transplant 2D and 3D ultrasound examinations were performed and retrospectively reviewed by 2 board-certified radiologists and a radiology resident individually; each reviewed 2D and then 3D images, including color and spectral Doppler...
April 21, 2016: Transplantation
https://www.readbyqxmd.com/read/28238223/glucose-lowering-agents-for-treating-pre-existing-and-new-onset-diabetes-in-kidney-transplant-recipients
#2
REVIEW
Clement Lo, Min Jun, Sunil V Badve, Helen Pilmore, Sarah L White, Carmel Hawley, Alan Cass, Vlado Perkovic, Sophia Zoungas
BACKGROUND: Kidney transplantation is the preferred form of kidney replacement therapy for patients with end-stage kidney disease (ESKD) and is often complicated by worsening or new-onset diabetes. Management of hyperglycaemia is important to reduce post-transplant and diabetes-related complications. The safety and efficacy of glucose-lowering agents after kidney transplantation is largely unknown. OBJECTIVES: To evaluate the efficacy and safety of pharmacological interventions for lowering glucose levels in patients who have undergone kidney transplantation and have diabetes...
February 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28257169/filtration-markers-cardiovascular-disease-mortality-and-kidney-outcomes-in-stable-kidney-transplant-recipients-the-favorit-trial
#3
M C Foster, D E Weiner, A G Bostom, M A Carpenter, L A Inker, P Jarolim, A A Joseph, J W Kusek, T Pesavento, M A Pfeffer, M Rao, S D Solomon, A S Levey
Cystatin C and beta-2-microglobulin (B2M) are filtration markers associated with adverse outcomes in non-transplant populations, sometimes with stronger associations than for creatinine. We evaluated associations of estimated glomerular filtration rate from cystatin C (eGFRcys ), B2M (eGFRB2M ), and creatinine (eGFRcr ) with cardiovascular outcomes, mortality, and kidney failure in stable kidney transplant recipients using a case-cohort study nested within the Folic Acid for Vascular Outcome Reduction in Transplantation (FAVORIT) Trial...
March 3, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28255002/antibody-mediated-rejection-due-to-preexisting-versus-de-novo-donor-specific-antibodies-in-kidney-allograft-recipients
#4
Olivier Aubert, Alexandre Loupy, Luis Hidalgo, Jean-Paul Duong van Huyen, Sarah Higgins, Denis Viglietti, Xavier Jouven, Denis Glotz, Christophe Legendre, Carmen Lefaucheur, Philip F Halloran
Antibody-mediated rejection (ABMR) can occur in patients with preexisting anti-HLA donor-specific antibodies (DSA) or in patients who develop de novo DSA. However, how these processes compare in terms of allograft injury and outcome has not been addressed. From a cohort of 771 kidney biopsy specimens from two North American and five European centers, we performed a systematic assessment of clinical and biologic parameters, histopathology, circulating DSA, and allograft gene expression for all patients with ABMR (n=205)...
March 2, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28235159/viva-espa%C3%A3-a-lessons-from-the-spanish-organ-donation-system
#5
LETTER
A Sharif
Spain is consistently cited as the model for other countries to follow in the development and delivery of a robust deceased organ donor infrastructure. The timely article from Matesanz and colleagues' highlights why the Spanish experience is indeed worthy of such accolade (1). Despite an evolving organ procurement climate (e.g. declining rates in incidence of brain death and shifts in end-of-life practice), Spain has still managed to achieve a donation rate of 40 deceased organ donors per million population and the highest solid organ transplant activity in the world (1)...
February 24, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28236638/patients-preferences-in-transplantation-from-marginal-donors-results-of-a-discrete-choice-experiment
#6
Sara Kamran, Filomena Conti, Marie-Pascale Pomey, Gabriel Baron, Yvon Calmus, Gwenaëlle Vidal-Trecan
MAIN PROBLEM: To increase the donor pool, the strategy of transplantation from "marginal" donors was developed though patients' preferences about these donors were insufficiently known. METHODS: The preferences of patients registered on the waiting list or already transplanted in eight transplant teams covering four main organs (i.e, kidney, liver, heart and lung) were evaluated using the discrete choice experiment method. In each center during two days, patients were interviewed on four scenarios...
February 25, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28212220/hcv-antiviral-therapy-in-liver-transplant-candidates-and-recipients-with-renal-insufficiency
#7
Elizabeth C Verna, Robert S Brown
Hepatitis C virus (HCV) remains the leading indication for liver transplant in much of the world, and has traditionally been associated with diminished posttransplant survival due to recurrent HCV-related liver disease. This field has been dramatically changed by the advent of safe and effective directly active antiviral (DAA) therapy, such that most patients can be cured in the pre or posttransplant setting. In addition, there are now DAA regimens specifically approved for use in patients with severe renal insufficiency...
February 16, 2017: Transplantation
https://www.readbyqxmd.com/read/28206633/risk-prediction-models-for-graft-failure-in-kidney-transplantation-a-systematic-review
#8
Rémi Kaboré, Maria C Haller, Jérôme Harambat, Georg Heinze, Karen Leffondré
No abstract text is available yet for this article.
February 16, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28176463/severe-chronic-norovirus-diarrheal-disease-in-transplant-recipients-clinical-features-of-an-under-recognized-syndrome
#9
Robin K Avery, Bonnie E Lonze, Edward S Kraus, Kieren A Marr, Robert A Montgomery
BACKGROUND: Norovirus (NV) infection has been reported as a cause of severe chronic diarrhea in transplant recipients, but this entity remains under-recognized in clinical practice, leading to diagnostic delays. Transplant clinicians should become familiar with this syndrome in order to facilitate early detection and management. METHODS: Demographic, clinical, and outcomes variables were summarized from a series of transplant recipients with positive stool NV reverse transcription polymerase chain reaction (RT-PCR) assays at Johns Hopkins in 2013-2014...
February 7, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28058212/complement-related-kidney-diseases-recurrence-after-transplantation
#10
REVIEW
Maurizio Salvadori, Elisabetta Bertoni
The recurrence of renal disease after renal transplantation is becoming one of the main causes of graft loss after kidney transplantation. This principally concerns some of the original diseases as the atypical hemolytic uremic syndrome (HUS), the membranoproliferative glomerulonephritis (MPGN), in particular the MPGN now called C3 glomerulopathy. Both this groups of renal diseases are characterized by congenital (genetic) or acquired (auto-antibodies) modifications of the alternative pathway of complement...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28141897/association-of-clinical-events-with-everolimus-exposure-in-kidney-transplant-patients-receiving-low-doses-of-tacrolimus
#11
F Shihab, Y Qazi, S Mulgaonkar, K McCague, D Patel, V R Peddi, D Shaffer
A key objective in the use of immunosuppression following kidney transplantation is to attain the optimal balance between efficacy and safety. In a Phase IIIb, multi-center, randomized, open-label, non-inferiority study, incidence of clinical events, renal dysfunction and adverse events (AEs) were analyzed at 12 months in 309 de novo renal transplant recipients receiving everolimus (EVR), low-dose Tac (LTac) and prednisone. Cox proportional hazard regression modeling was used to estimate the probability of clinical events at specified combinations of time-normalized EVR and Tac trough concentrations...
January 31, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/27742387/donor-specific-antibody-monitoring-where-is-the-beef
#12
REVIEW
Jeffrey Ma, Anita Patel, Kathryn Tinckam
This review paper discusses the impact of de novo donor-specific antibodies (DSA) to donor HLA antigens in kidney transplantation and summarizes the benefits and challenges that exist with DSA monitoring. Post-transplant DSA is associated with worse allograft outcomes and its detection may precede or coincide with clinical, biochemical, and histologic allograft dysfunction. There are no absolute features of DSA testing results that perfectly discriminate between states of disease and health. In a state of antibody-associated graft dysfunction, removal or reduction in DSA may only provide clinical benefit for some...
September 2016: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28104155/immunosuppression-modification-by-everolimus-with-minimization-of-calcineurin-inhibitors-recovers-kidney-graft-function-even-in-patients-with-very-late-conversion-and-also-with-poor-graft-function
#13
M Nojima, Y Yamada, Y Higuchi, K Shimatani, A Kanematsu, S Yamamoto
BACKGROUND: Although kidney graft survival within 5 years after transplantation is now achieved in >95% of recipients, chronic graft deterioration remains a factor limiting long-term survival. Chronic nephrotoxicity induced by calcineurin inhibitors (CNIs) is one of the major causes of chronic graft injury; thus, minimization of CNIs by administration of everolimus (EVR) is expected to relieve their toxic effects. METHODS: Fifty-six kidney transplant recipients receiving CNI-based immunosuppression (tacrolimus, n = 34; cyclosporine, n = 22) were analyzed...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28117944/infection-in-organ-transplantation
#14
Jay A Fishman
The prevention, diagnosis and management of infectious disease in transplantation are major contributors to improved outcomes in organ transplantation. The risk of serious infections in organ recipients is determined largely by the interaction between the patient's epidemiological exposures and net state of immune suppression. In organ recipients, there is a significant incidence of drug toxicity and a propensity for drug interactions with immunosuppressive agents used to maintain graft function. Thus, every effort must be made to establish specific microbiologic diagnoses to optimize therapy...
January 24, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28110327/mortality-after-renal-allograft-failure-and-return-to-dialysis
#15
Amarpali Brar, Mariana Markell, Dimitre G Stefanov, Edem Timpo, Rahul M Jindal, Robert Nee, Nabil Sumrani, Devon John, Fasika Tedla, Moro O Salifu
INTRODUCTION: The outcomes of patients who fail their kidney transplant and return to dialysis (RTD) has not been investigated in a nationally representative sample. We hypothesized that variations in management of transplant chronic kidney disease stage 5 leading to kidney allograft failure (KAF) and RTD, such as access, nutrition, timing of dialysis, and anemia management predict long-term survival. METHODS: We used an incident cohort of patients from the United States Renal Data System who initiated hemodialysis between January 1, 2003 and December 31, 2008, after KAF...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28058222/stabilization-of-estimated-glomerular-filtration-rate-in-kidney-transplantation-from-deceased-donors-with-acute-kidney-injuries
#16
Punlop Wiwattanathum, Atiporn Ingsathit, Surasak Kantachuvesiri, Nuttapon Arpornsujaritkun, Wiwat Tirapanich, Vasant Sumethkul
AIM: To evaluate and compare the outcomes of kidney transplant (KT) from deceased donors among standard criteria, acute kidney injury (AKI) and expanded criteria donors (ECDs). METHODS: This retrospective study included 111 deceased donor kidney transplant recipients (DDKT). Deceased donors were classified as standard criteria donor (SCD), AKI donor and ECD. AKI was diagnosed and classified based on change of serum Cr by acute kidney injury network (AKIN) criteria...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/27981393/hyperparathyroidism-and-increased-fractional-excretion-of-phosphate-predict-allograft-loss-in-long-term-kidney-transplant-recipients
#17
Sumanee Prakobsuk, Supinda Sirilak, Kotcharat Vipattawat, Pahnwat T Taweesedt, Vasant Sumethkul, Surasak Kantachuvesiri, Sinee Disthabanchong
BACKGROUND: After kidney transplantation, fibroblast growth factor-23 (FGF-23) normally returns to baseline within 1 year whereas hyperparathyroidism persists in most kidney transplant (KT) recipients. As a result, serum phosphate remains relatively low in association with increased serum calcium and urinary phosphate excretion when compared to chronic kidney disease patients. The relationship between mineral metabolism and outcomes in long-term KT recipients has not been extensively studied...
December 16, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28013471/inflammation-and-oxidation-do-they-improve-after-kidney-transplantation-relationship-with-mortality-after-transplantation
#18
Laura Cañas, Eva Iglesias, María Cruz Pastor, Jaume Barallat, Javier Juega, Ioana Bancu, Ricardo Lauzurica
Patients with chronic kidney disease (CKD) are characterized by a state of inflammation and oxidative stress that seems to improve after kidney transplantation (KT). Nevertheless, there is controversy regarding what is the best marker that better define inflammation and specially oxidative stress. OBJECTIVE: To evaluate the biomarkers which are associated with improvements in inflammation and lipid peroxidation in patients who have undergone KT. To evaluate the relationship between inflammation, lipid peroxidation and mortality in KT...
December 24, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/28039946/why-do-patients-die-after-a-liver-transplantation
#19
Kim E Daniel, Jens Eickhoff, Michael R Lucey
BACKGROUND: As more patients achieve long-term survival, it has become important to understand mortality in liver transplantation (LT) recipients. METHODS: We conducted retrospective reviews of long-term outcome in two adult LT cohorts: 85 031 in the United Network for Organ Sharing (UNOS) database and 1458 transplanted at the University of Wisconsin (UW). RESULTS: During median follow-up of 3.2 years (UNOS) and 6.6 years (UW), 35.1% of UNOS patients and 44...
December 31, 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/28031407/metabolic-acidosis-and-long-term-clinical-outcomes-in-kidney-transplant-recipients
#20
Seokwoo Park, Eunjeong Kang, Sehoon Park, Yong Chul Kim, Seung Seok Han, Jongwon Ha, Dong Ki Kim, Sejoong Kim, Su-Kil Park, Duck Jong Han, Chun Soo Lim, Yon Su Kim, Jung Pyo Lee, Young Hoon Kim
Metabolic acidosis (MA), indicated by low serum total CO2 (TCO2) concentration, is a risk factor for mortality and progressive renal dysfunction in CKD. However, the long-term effects of MA on kidney transplant recipients (KTRs) are unclear. We conducted a multicenter retrospective cohort study of 2318 adult KTRs, from January 1, 1997 to March 31, 2015, to evaluate the prevalence of MA and the relationships between TCO2 concentration and clinical outcomes. The prevalence of low TCO2 concentration (<22 mmol/L) began to increase in KTRs with eGFR<60 ml/min per 1...
December 28, 2016: Journal of the American Society of Nephrology: JASN
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