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Kidney transplant fail

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https://www.readbyqxmd.com/read/29334529/midterm-outcome-of-kidney-transplantation-from-donors-with-thin-basement-membrane-nephropathy
#1
Chanjoong Choi, Sanghyun Ahn, Seung-Kee Min, Jongwon Ha, Curie Ahn, Yonsu Kim, Hajeong Lee, Sang-Il Min
BACKGROUND: Thin basement membrane nephropathy (TBMN) is the most common cause of persistent glomerular hematuria. Most individuals with TBMN show a benign course, although it can be difficult to distinguish it from early stages of progressive renal diseases. However, only limited studies address the prognosis of donors with TBMN and their recipients. METHODS: From 2007 to 2016, 11 recipients received kidney grafts from donors with TBMN, and their clinical data were analyzed retrospectively...
January 12, 2018: Transplantation
https://www.readbyqxmd.com/read/29242250/a-randomized-trial-of-bortezomib-in-late-antibody-mediated-kidney-transplant-rejection
#2
Farsad Eskandary, Heinz Regele, Lukas Baumann, Gregor Bond, Nicolas Kozakowski, Markus Wahrmann, Luis G Hidalgo, Helmuth Haslacher, Christopher C Kaltenecker, Marie-Bernadette Aretin, Rainer Oberbauer, Martin Posch, Anton Staudenherz, Ammon Handisurya, Jeff Reeve, Philip F Halloran, Georg A Böhmig
Late antibody-mediated rejection (ABMR) is a leading cause of kidney allograft failure. Uncontrolled studies have suggested efficacy of the proteasome inhibitor bortezomib, but no systematic trial has been undertaken to support its use in ABMR. In this randomized, placebo-controlled trial (the Bortezomib in Late Antibody-Mediated Kidney Transplant Rejection [BORTEJECT] Trial), we investigated whether two cycles of bortezomib (each cycle: 1.3 mg/m2 intravenously on days 1, 4, 8, and 11) prevent GFR decline by halting the progression of late donor-specific antibody (DSA)-positive ABMR...
December 14, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29233979/extracellular-vesicles-from-human-induced-pluripotent-stem-cell-derived-mesenchymal-stromal-cells-hipsc-mscs-protect-against-renal-ischemia-reperfusion-injury-via-delivering-specificity-protein-sp1-and-transcriptional-activating-of-sphingosine-kinase-1-and
#3
Xiaodong Yuan, Dawei Li, Xiaosong Chen, Conghui Han, Longmei Xu, Tao Huang, Zhen Dong, Ming Zhang
Renal ischemia-reperfusion is a main cause of acute kidney injury (AKI), which is associated with high mortality. Here we show that extracellular vesicles (EVs) secreted from hiPSC-MSCs play a critical role in protection against renal I/R injury. hiPSC-MSCs-EVs can fuse with renal cells and deliver SP1 into target cells, subsequently active SK1 expression and increase S1P formation. Chromatin immunoprecipitation (ChIP) analyses and luciferase assay were used to confirm SP1 binds directly to the SK1 promoter region and promote promoter activity...
December 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29219831/female-urothelial-cell-carcinoma-in-a-failed-kidney-graft-of-a-male-recipient
#4
H J J de Jongh, E M van Duijnhoven, A Rüland, M M A Abdul Hamid, E J M Speel, K van de Beek
We present a case of a male kidney transplant patient harbouring two kidney grafts of which one is functional. In the failed graft, he developed urothelial cell carcinoma with cells containing XX-chromosome, and female tumour cells were also found in the bladder. The patient underwent donor nephrectomy, was treated with epirubicin bladder instillations, and immunosuppression was tapered. Less than a year before re-transplantation a CT scan showed no abnormalities of the first graft. Transplantectomy before a second kidney transplantation is debated...
October 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/29215813/kidney-transplantation-in-patients-with-atypical-hemolytic-uremic-syndrome-due-to-complement-factor-h-deficiency-impact-of-liver-transplantation
#5
Sejin Kim, Eujin Park, Sang Il Min, Nam Joon Yi, Jongwon Ha, Il Soo Ha, Hae Il Cheong, Hee Gyung Kang
BACKGROUND: Atypical hemolytic uremic syndrome (aHUS) is a rare disease that is often associated with genetic defects. Mutations of complement factor H (CFH) are the most common genetic defects that cause aHUS and often result in end-stage renal disease. Since CFH is mainly produced in the liver, liver transplantation (LT) has been performed in patients with defective CFH. METHODS: The clinical courses of four kidney allograft recipients who lost their native kidney functions due to aHUS associated with a CFH mutation were reviewed...
January 1, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29198665/isolated-crystalloid-podocytopathy-with-focal-segmental-glomerulosclerosis-in-renal-allograft-an-unusual-presentation-of-post-transplant-monoclonal-gammopathy-of-renal-significance-a-case-report
#6
A-H Yang, C-C Loong, N-C Lin, C-Y Yang
BACKGROUND: Monoclonal gammopathy of renal significance denotes a spectrum of hematologic disorders that cause direct or indirect renal damage. CASE PRESENTATION: A 51-year-old man had received a living-donor kidney transplant from his wife in 2008. He had gradual increased proteinuria 4 years later. His renal biopsy results revealed cytoplasmic crystalloid inclusions in the podocytes. No crystalloid inclusion was found in other renal cells. Despite that immunofluorescent examination failed to show light-chain deposition, the serum immuno-electrophoresis revealed monoclonal immunoglobulin-Gκ...
December 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29187131/haptoglobin-2-2-genotype-patient-and-graft-survival-in-renal-transplant-recipients
#7
Laust Dupont, Ivar Anders Eide, Anders Hartmann, Jeppe Hagstrup Christensen, Anders Åsberg, Trond Jenssen, Henrik Krarup, My Svensson
BACKGROUND: Cardiovascular disease is the leading cause of death in renal transplant recipients. An association between haptoglobin genotype 2-2 and cardiovascular disease has been found in patients with diabetes mellitus and liver transplant recipients. To date, the role of haptoglobin genotype after renal transplantation has not been studied. METHODS: In this single-center retrospective cohort study of 1975 adult Norwegian transplant recipients, who underwent transplantation between 1999 and 2011, we estimated the risk of all-cause and cardiovascular mortality and overall and death-censored graft loss for patients with haptoglobin genotype 2-2 compared to genotype 2-1 or 1-1, after adjustment for confounders and competing risks...
December 2017: Progress in Transplantation
https://www.readbyqxmd.com/read/29151264/renal-protection-strategies-after-heart-transplantation
#8
REVIEW
Daniel Reichart, Hermann Reichenspurner, Markus Johannes Barten
Renal dysfunction caused by calcineurin inhibitor (CNI) nephrotoxicity occurs often and contributes significantly to late mortality after heart transplantation (HTx). Over the last decades, this has prompted many clinical studies in an effort to develop kidney-protecting immunosuppressive strategies including delayed CNI start, minimization, withdrawal or even de-novo CNI avoidance. In the past, these strategies often failed due to the lack of efficacy. Since 2009, novel CNI-reducing strategies are under investigation...
November 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29140547/islet-transplantation-as-safe-and-efficacious-method-to-restore-glycemic-control-and-to-avoid-severe-hypoglycemia-after-donor-organ-failure-in-pancreas-transplantation
#9
Philipp A Gerber, Michel Hochuli, Bara D Benediktsdottir, Richard A Zuellig, Oliver Tschopp, Michael Glenck, Olivier de Rougemont, Christian Oberkofler, Giatgen A Spinas, Roger Lehmann
The aim of this study was to assess safety and efficacy of islet transplantation after initial pancreas transplantation with subsequent organ failure. Patients undergoing islet transplantation at our institution after pancreas organ failure were compared to a control group of patients with pancreas graft failure, but without islet transplantation and to a group receiving pancreas re-transplantation. 10 patients underwent islet transplantation after initial pancreas transplantation failed and were followed for a median of 51 months...
November 15, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29139625/late-graft-failure-after-kidney-transplantation-as-the-consequence-of-late-versus-early-events
#10
Robert S Gaston, Ann Fieberg, Lawrence Hunsicker, Bertram L Kasiske, Robert Leduc, Fernando G Cosio, Sita Gourishankar, Joseph Grande, Roslyn B Mannon, David Rush, Michael J Cecka, John Connett, Arthur J Matas
Beyond the first posttransplant year, 3% of kidney transplants fail annually. In a prospective, multicenter cohort study, we tested the relative impact of early versus late events on risk of long-term death-censored graft failure (DCGF). In grafts surviving at least 90 days, early events (acute rejection [AR] and delayed graft function [DGF] before day 90) were recorded; serum creatinine (Cr) at day 90 was defined as baseline. Thereafter, a 25% rise in serum Cr or new onset proteinuria triggered graft biopsy (index biopsy, IBx), allowing comparison of risk of DCGF associated with early events (AR, DGF, baseline serum Cr >2...
November 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29135993/bioequivalence-between-innovator-and-generic-tacrolimus-in-liver-and-kidney-transplant-recipients-a-randomized-crossover-clinical-trial
#11
Rita R Alloway, Alexander A Vinks, Tsuyoshi Fukuda, Tomoyuki Mizuno, Eileen C King, Yuanshu Zou, Wenlei Jiang, E Steve Woodle, Simon Tremblay, Jelena Klawitter, Jost Klawitter, Uwe Christians
BACKGROUND: Although the generic drug approval process has a long-term successful track record, concerns remain for approval of narrow therapeutic index generic immunosuppressants, such as tacrolimus, in transplant recipients. Several professional transplant societies and publications have generated skepticism of the generic approval process. Three major areas of concern are that the pharmacokinetic properties of generic products and the innovator (that is, "brand") product in healthy volunteers may not reflect those in transplant recipients, bioequivalence between generic and innovator may not ensure bioequivalence between generics, and high-risk patients may have specific bioequivalence concerns...
November 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29131092/value-of-intraoperative-parathyroid-hormone-assay-during-parathyroidectomy-in-dialysis-and-renal-transplant-patients-with-secondary-and-tertiary-hyperparathyroidism
#12
Amr El-Husseini, Kevin Wang, Annick Edon, David Saxon, Florence Lima, David Sloan, B Peter Sawaya
BACKGROUND: In dialysis and renal transplant patients with secondary and tertiary hyperparathyroidism (HPT), the value of intraoperative parathyroid hormone (ioPTH) during parathyroidectomy (PTX) and its association with long-term PTH levels are unknown. The present study aims at evaluating the relationship of ioPTH with long-term PTH levels post-PTX in dialysis and renal transplant patients in a single-center study. METHODS: The ioPTH was measured in 57 dialysis patients (33 females and 24 males) and 18 renal transplant recipients (12 males and 6 females) who underwent PTX from 2005 to 2015 for refractory HPT...
November 9, 2017: Nephron
https://www.readbyqxmd.com/read/29108513/reconstruction-of-traumatic-external-iliac-artery-dissection-due-to-vascular-clamping
#13
Mahir Kırnap, Ümit Özçelik, Aydıncan Akdur, Ebru H Ayvazoğlu Soy, İclal Işıklar, Feza Yarbuğ Karakayalı, Gökhan Moray, Mehmet Haberal
Traumatic external iliac artery dissection after renal transplant is a rare complication, but it should be urgently managed due to its devastating effects on graft and lower limb circulation. External iliac artery dissection is seen more in recipients with diabetes mellitus and comorbid disease. Recipients with external iliac artery dissection should be treated immediately by percutaneus angioplasty or surgical reconstruction. In this study, we reported the management of 2 kidney transplant cases with external iliac artery dissection due to vascular clamping of the artery...
October 31, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29084409/a-comparison-of-the-safety-and-efficacy-of-hx575-epoetin-alfa-proposed-biosimilar-with-epoetin-alfa-in-patients-with-end-stage-renal-disease
#14
Matthew R Weir, Pablo E Pergola, Rajiv Agarwal, Jeffrey C Fink, Nelson P Kopyt, Ajay K Singh, Jayant Kumar, Susanne Schmitt, Gregor Schaffar, Anita Rudy, Jim P McKay, Radmila Kanceva
BACKGROUND: HX575 (biosimilar epoetin alfa) was approved in Europe in 2007 for the treatment of chronic kidney disease (CKD)-related anemia. This study assessed the clinical equivalence of HX575 with the US-licensed reference epoetin alfa (Epogen®/Procrit®, Amgen/Janssen) following subcutaneous (SC) administration in dialysis patients with CKD-related anemia. METHODS: This randomized, double-blind, parallel-group, multicenter study (NCT01693029) was conducted at 49 US clinical sites...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29082567/graft-intolerance-syndrome-requiring-graft-nephrectomy-after-late-kidney-graft-failure-can-it-be-predicted
#15
Kim L W Bunthof, Carmen M Verhoeks, Jan A J G van den Brand, Luuk B Hilbrands
BACKGROUND: Graft nephrectomy is recommended in case of early graft failure. When the graft fails more than 3-6 months after transplantation it is current practice to follow a wait-and-see policy. A common indication for graft removal is the graft intolerance syndrome. We aimed to create a risk prediction model for the occurrence of graft intolerance resulting in graft nephrectomy. METHODS: We collected data of kidney transplantations performed in our centre between 1980 and 2010 that failed at least 6 months after transplantation...
October 30, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29067650/ckd-complications-in-kidney-transplanted-patients-going-back-to-dialysis-impact-on-patients-outcomes
#16
Julien Aniort, Saleh Kaysi, Cyril Garrouste, Mohamed Hadj Abdelkader, Myriam Isnard, Didier Aguilera, Youssef Ali, Marc Bouiller, Aurelien Mulliez, Anne Elisabeth Heng
AIMS: The management of chronic kidney disease (CKD) complications is not always adequate in patients with a failed kidney transplant. We aimed to evaluate the frequency of CKD complications and assess whether they may lead to worse outcomes in this patient population. METHOD: We analyzed 49 kidney transplant recipients with a failed transplant (T+) and matched non-transplanted patients (T-) starting dialysis between 2000 and 2010 in five dialysis centers in France...
October 24, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/29042548/human-mesenchymal-stromal-cells-transplanted-into-mice-stimulate-renal-tubular-cells-and-enhance-mitochondrial-function
#17
Luca Perico, Marina Morigi, Cinzia Rota, Matteo Breno, Caterina Mele, Marina Noris, Martino Introna, Chiara Capelli, Lorena Longaretti, Daniela Rottoli, Sara Conti, Daniela Corna, Giuseppe Remuzzi, Ariela Benigni
Mesenchymal stromal cells (MSCs) are renoprotective and drive regeneration following injury, although cellular targets of such an effect are still ill-defined. Here, we show that human umbilical cord (UC)-MSCs transplanted into mice stimulate tubular cells to regain mitochondrial mass and function, associated with enhanced microtubule-rich projections that appear to mediate mitochondrial trafficking to create a reparative dialogue among adjacent tubular cells. Treatment with UC-MSCs in mice with cisplatin-induced acute kidney injury (AKI) regulates mitochondrial biogenesis in proximal tubuli by enhancing PGC1α expression, NAD(+) biosynthesis and Sirtuin 3 (SIRT3) activity, thus fostering antioxidant defenses and ATP production...
October 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/29041943/human-umbilical-cord-wharton-jelly-cells-promote-extra-pancreatic-insulin-formation-and-repair-of-renal-damage-in-stz-induced-diabetic-mice
#18
Martin Maldonado, Tianhua Huang, Lujun Yang, Lan Xu, Lian Ma
BACKGROUND: We evaluated the therapeutic effect and fate of high doses of human umbilical cord Wharton jelly cells (hUCWJCs) after IP administration to streptozotocin (STZ)-induced diabetic mice. METHODS: Type 1 diabetes (T1D) was induced in Kunming mice via IP injection of STZ. hUCWJCs were labeled with 1,1'-dioctadecyl-3,3,3',3'-tetramethylindocarbocyanine perchlorate (DiI). Diabetic animals with sustained hyperglycemia for at least 2 weeks were administered 1 × 10(7) Dil-hUCWJCs via intraperitoneal injection...
October 17, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/29027352/impact-of-spontaneous-donor-hypothermia-on-graft-outcomes-after-kidney-transplantation
#19
P Schnuelle, H M Mundt, F Drüschler, W H Schmitt, B A Yard, B K Krämer, U Benck
A previous donor intervention trial found that therapeutic hypothermia reduced delayed graft function (DGF) after kidney transplantation. This retrospective cohort study nested in the randomized dopamine trial (ClinicalTrials. gov identifier: NCT000115115) investigates the effects of spontaneous donor hypothermia (core body temperature <36°C) on initial kidney graft function, and evaluates five-year graft survival. Hypothermia assessed by a singular measurement in the ICU 4-20 hours before procurement was associated with less DGF after kidney transplantation (OR 0...
October 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28975090/chronic-dietary-oxalate-nephropathy-after-intensive-dietary-weight-loss-regimen
#20
Gebran Khneizer, Ahmad Al-Taee, Meher S Mallick, Bahar Bastani
BACKGROUND: Hyperoxaluria has been associated with nephrolithiasis as well as acute and chronic kidney disease. We present a case of end stage renal failure caused by excessive dietary oxalate intake in a dietary weight loss regimen. CASE PRESENTATION: A 51-year-old Caucasian male with the past medical history of type 2 diabetes mellitus, gout, hypertension and morbid obesity was referred to the primary care clinic after being found pale and easily fatigued. The patient had lost 36 kg over a 7-month period by implementing exercise and intense dietary measures that included 6 meals of spinach, kale, berries, and nuts...
July 2017: Journal of Nephropathology
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