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https://www.readbyqxmd.com/read/28527281/-survival-in-renal-transplant-recipients-in-colombia-2008-2012
#1
Karime Osorio-Arango, Mauricio Beltrán-Durán, Yazmín Arias-Murillo, Franklyn Prieto, Adriana Robayo
INTRODUCTION: The Red Nacional de Donación y Trasplantes of the Colombian Instituto Nacional de Salud reported that in 2014, 1,059 organ transplants were performed, of which 761 were kidney transplants, and 643 (84.5%) of these were from cadaveric organ donors. OBJECTIVE: To describe the socio-demographic characteristics of patients who received renal transplants, as well as their outcomes in terms of survival. MATERIALS AND METHODS: National kidney transplants were analyzed through an observational retrospective cohort study...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28527200/contrast-enhanced-ultrasound-ceus-in-renal-imaging-at-an-interdisciplinary-ultrasound-centre-possibilities-of-dynamic-microvascularisation-and-perfusion
#2
Franz Josef Putz, Anna Erlmeier, Isabel Wiesinger, Niklas Verloh, Christian Stroszczynski, Bernhard Banas, Ernst Michael Jung
OBJECTIVE: To identify the indications for CEUS in renal imaging in an interdisciplinary ultrasound department. METHODS: 102 CEUS examinations of the kidney in 82 patients between September 2014 and July 2016 were analysed regarding the indication for ultrasound. CEUS was performed by one experienced sonographer agent after bolus injection of 1.0 up to 2.4 ml sulphur hexafluoride microbubbles using multifrequency probes with Contrast Harmonic imaging. RESULTS: CEUS of the kidney was performed in patients from 20 to 87 years...
May 19, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28526628/heparin-based-hydrogels-induce-human-renal-tubulogenesis-in-vitro
#3
Heather M Weber, Mikhail V Tsurkan, Valentina Magno, Uwe Freudenberg, Carsten Werner
Dialysis or kidney transplantation is the only therapeutic option for end stage renal disease. Accordingly, there is a large unmet clinical need for new causative therapeutic treatments. Obtaining robust models that mimic the complex nature of the human kidney is a critical step in the development of new therapeutic strategies. Here we establish a synthetic in vitro human renal tubulogenesis model based on a tunable glycosaminoglycan-hydrogel platform. In this system, renal tubulogenesis can be modulated by the adjustment of hydrogel mechanics and degradability, growth factor signaling, and the presence of insoluble adhesion cues, potentially providing new insights for regenerative therapy...
May 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28525997/increased-resistance-of-gram-negative-urinary-pathogens-after-kidney-transplantation
#4
Johannes Korth, Julia Kukalla, Peter-Michael Rath, Sebastian Dolff, Marco Krull, Hana Guberina, Anja Bienholz, Benjamin Wilde, Stefan Becker, Birgit Ross, Olympia Evdoxia Anastasiou, Andreas Kribben, Oliver Witzke
BACKGROUND: Urinary tract infection is the most common complication after kidney transplantation. It can cause severe sepsis and transplant loss. Emergence of drug resistance among gram-negative urinary pathogens is the current challenge for urinary tract infection treatment after kidney transplantation. METHODS: This study analyzes the antimicrobial susceptibility of gram-negative urinary pathogens after kidney transplantation from 2009 to 2012 at the Transplant Outpatient Clinic of the University Hospital Essen, Germany...
May 19, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28524801/association-of-ugt2b7-ugt1a9-abcg2-and-il23r-polymorphisms-with-rejection-risk-in-kidney-transplant-patients
#5
Heloísa Lizotti Cilião, Rossana Batista Oliveira Camargo-Godoy, Marilesia Ferreira de Souza, Mariana Bisarro Dos Reis, Lorena Iastrenski, Vinicius Daher Alvares Delfino, Silvia Regina Rogatto, Ilce Mara de Syllos Cólus
Despite advances in testing compatibility between donor and recipient, graft rejection remains a current concern. Single-nucleotide polymorphisms (SNPs) that codify altered enzymes of metabolism, drug transport, and the immune system may contribute to graft rejection in transplant patients. This study examined the association between SNPs present in genes of these processes and occurrence of graft rejection episodes in 246 kidney transplant patients, 35% of which were diagnosed with rejection. Genotype-gene expression associations were also assessed...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28523792/the-impact-of-calcineurin-inhibitors-on-neutrophil-gelatinase-associated-lipocalin-and-fibroblast-growth-factor-23-in-long-term-kidney-transplant-patients
#6
Inger Hjørdis Bleskestad, Inga Strand Thorsen, Grete Jonsson, Øyvind Skadberg, Lasse Gunnar Gøransson
BACKGROUND: Neutrophil gelatinase-associated lipocalin (NGAL), a protein with bacteriostatic functions rapidly excreted from stimulated or damaged epithelial cells, is elevated in acute and chronic kidney disease. A calcineurin dependent signaling pathway for fibroblast growth factor 23 (FGF23) has been revealed, but the effect of calcineurin inhibitors (CNIs) on the levels of NGAL and markers of mineral metabolism in long-term kidney transplant patients has not been explored. METHODS: In a cross-sectional study, 39 patients who received a first kidney transplant more than 10 years ago were split into two groups based on whether (n=28) or not (n=11) they used CNIs...
May 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28523715/dual-en-bloc-technique-for-adult-renal-transplantation
#7
Kim Chi Tran, David Li, Ali Taqi, Alp Sener, Vivian C McAlister, Patrick P Luke
INTRODUCTION: We describe and provide follow-up for a novel simplified technique permitting dual en-bloc (DEB) transplantation of adult organs using single in situ arterial and venous anastomoses. METHODS: Twenty-two adult DEB transplants were performed at our centre between 2001 and 2012, utilizing 44 kidneys en bloc. Results were compared with 20 solitary transplants from expanded criteria donors (ECD) associated with lower terminal serum creatinines and Remuzzi biopsy scores vs...
May 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28523327/complicated-diverticulitis-in-a-de-novo-kidney-transplanted-patient
#8
Liliana Ana TuŢă, Mădălina Boşoteanu, Eugen Dumitru, Mariana Deacu
Diverticular disease is frequent amongst the elderly and immunosuppressed patients. It mainly presents as sigmoid diverticulitis, but severe complications, like bleedings, infections and colon perforation may occur, frequently due to immunosuppressive therapy. Moreover, antibiotherapy and hemostatics may not efficiently control evolution in such cases. Early diagnose and adequate treatment of colonic diverticulosis complicated with lower gastrointestinal bleeding and diverticulitis in immunocompromised patients...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28522709/identification-of-a-novel-hepatitis-e-virus-genotype-3-strain-isolated-from-a-chronic-hepatitis-e-virus-infection-in-a-kidney-transplant-recipient-in-switzerland
#9
Bo Wang, Dominik Harms, Jörg Hofmann, Diana Ciardo, Agnes Kneubühl, C-Thomas Bock
Hepatitis E virus genotype 3 (HEV-3) is the causal pathogen of chronic hepatitis E. We report here the full-length genome sequence of an HEV-3 strain, isolated from a kidney transplant recipient in Switzerland (SW/16-0282). This HEV-3 strain showed less than 88% homology compared to known strains, suggesting a new HEV-3 strain.
May 18, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28520232/human-ipsc-msc-derived-xenografts-modulate-immune-responses-by-inhibiting-the-cleavage-of-caspases
#10
Cheng-Lin Li, Yun Leng, Bin Zhao, Chang Gao, Fei-Fei Du, Ning Jin, Qi-Zhou Lian, Shuang-Yue Xu, Guo-Liang Yan, Jun-Jie Xia, Guo-Hong Zhuang, Qing-Ling Fu, Zhong-Quan Qi
Mesenchymal stem cells (MSCs) negatively modulate immune properties. Induced pluripotent stem cells (iPSCs)-derived MSCs are alternative source of MSCs. However, the effects of iPSC-MSCs on T cells phenotypes in vivo remain unclear. We established an iPSC-MSC-transplanted host versus graft reaction mouse model using subcapsular kidney injection. Th1, Th2, regulatory T cells (Treg), and Th17 phenotypes and their cytokines were investigated in vivo and in vitro. The role of caspases and the soluble factors involved in the effects of MSCs were examined...
May 18, 2017: Stem Cells
https://www.readbyqxmd.com/read/28520146/association-of-tenofovir-disoproxil-fumarate-with-primary-allograft-survival-in-hiv-positive-kidney-transplant-recipients
#11
Suzanne M Boyle, Gregory Malat, Meera N Harhay, Dong H Lee, Lisa Pang, Sindhura Talluri, Akshay Sharma, Tiffany E Bias, Karthik Ranganna, Alden M Doyle
BACKGROUND: Tenofovir disoproxil fumarate (TDF) is an anti-retroviral agent frequently used to treat human immunodeficiency virus (HIV). There are concerns regarding its potential to cause acute kidney injury, chronic kidney disease, and proximal tubulopathy. Although TDF can effectively suppress HIV after kidney transplantation, it is unknown whether use of TDF-based anti-retroviral therapy (ART) after kidney transplant (KT) adversely affects allograft survival. METHODS: We examined 104 HIV+ KT recipients at our center between 2001 and 2014...
May 18, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28518414/systematic-review-of-surgical-and-medical-treatment-for-tertiary-hyperparathyroidism
#12
REVIEW
R R Dulfer, G J H Franssen, D A Hesselink, E J Hoorn, C H J van Eijck, T M van Ginhoven
BACKGROUND: A significant proportion of patients with chronic kidney disease and secondary hyperparathyroidism (HPT) remain hyperparathyroid after kidney transplantation, a state known as tertiary HPT. Without treatment, tertiary HPT can lead to diminished kidney allograft and patient survival. Parathyroidectomy was commonly performed to treat tertiary HPT until the introduction of the calcimimetic drug, cinacalcet. It is not known whether surgery or medical treatment is superior for tertiary HPT...
June 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28518214/immune-monitoring-as-prerequisite-for-transplantation-tolerance-trials
#13
REVIEW
Katayoun Behnam Sani, Birgit Sawitzki
Ever since its first application in clinical medicine, scientists have urged to induce tolerance towards foreign allogeneic transplants and thus avoid rejection by the recipient's immune system. This would circumvent chronic use of immunosuppressive drugs (IS) and thus avoid development of IS-induced side effects, which are contributing to the still unsatisfactory long-term graft and patient survival after solid organ transplantation. Although manifold strategies of tolerance induction have been described in preclinical models, only three therapeutic approaches have been successfully utilized in a still small number of patients...
May 18, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28518062/retrograde-flushing-of-living-donor-renal-allografts-via-the-renal-vein-a-simple-effective-technique
#14
Mark J Hobeika, Wasim A Dar, David R Hall, John S Bynon
BACKGROUND: Prograde flushing (PF) of living donor renal allografts with preservation solution via the renal artery or arteries is standard practice. PF may be difficult and potentially injurious to the donor kidney, especially in grafts with small or multiple arteries. In this report we present our experience with retrograde flushing (RF) of 7 living donor kidneys via the renal vein. METHODS: Retrospective review of 7 consecutive living donor renal transplants (LDRT) performed using the RF technique was performed...
October 11, 2016: Transplantation
https://www.readbyqxmd.com/read/28515172/cross-sex-transplantation-alters-gene-expression-and-enhances-inflammatory-response-in-the-transplanted-kidneys
#15
Lei Wang, Jiangping Song, Shaohui Wang, Jacentha Buggs, Rongjun Chen, Jie Zhang, Liqing Wang, Song Rong, Wenbin Li, Jin Wei, Ruisheng Liu
Kidney transplantation (KTX) is a life-saving procedure for patients with end-stage renal disease. Expression levels of many genes in kidney vary between males and females which may play an essential role in the sex differences in graft function. However, whether these differences are affected after cross-sex-KTX is unknown. In the present study, we assessed post-operative changes in genotype, function and inflammatory responses of the grafts in same-sex and cross-sex-KTX. Single kidney transplants were performed between same and different sex C57BL/6 mice paired into 4 combination groups: female donor/female recipient (F/F); male donor/male recipient (M/M); female donor/male recipient (F/M); and male donor/female recipient (M/F)...
May 17, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28515156/anti-glomerular-basement-membrane-disease
#16
Stephen P McAdoo, Charles D Pusey
Anti-glomerular basement membrane (anti-GBM) disease is a rare small vessel vasculitis that affects the capillary beds of the kidneys and lungs. It is an archetypic autoimmune disease, caused by the development of directly pathogenic autoantibodies targeting a well characterized autoantigen expressed in the basement membranes of these organs, although the inciting events that induce the autoimmune response are not fully understood. The recent confirmation of spatial and temporal clustering of cases suggests that environmental factors, including infection, may trigger disease in genetically susceptible individuals...
May 17, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28514250/accept-or-decline-an-analytics-based-decision-tool-for-kidney-offer-evaluation
#17
Dimitris Bertsimas, Jerry Kung, Nikolaos Trichakis, David Wojciechowski, Parsia A Vagefi
BACKGROUND: When a deceased-donor kidney is offered to a waitlisted candidate, the decision to accept or decline the organ relies primarily upon a practitioner's experience and intuition. Such decisions must achieve a delicate balance between estimating the immediate benefit of transplantation and the potential for future higher-quality offers. However, the current experience-based paradigm lacks scientific rigor and is subject to the inaccuracies that plague anecdotal decision-making...
May 17, 2017: Transplantation
https://www.readbyqxmd.com/read/28512290/evolution-of-drug-resistant-acinetobacter-baumannii-after-dcd-renal-transplantation
#18
Hong Jiang, Luxi Cao, Lihui Qu, Tingting Qu, Guangjun Liu, Rending Wang, Bingjue Li, Yuchen Wang, Chaoqun Ying, Miao Chen, Yingying Lu, Shi Feng, Yonghong Xiao, Junwen Wang, Jianyong Wu, Jianghua Chen
Infection after renal transplantation remains a major cause of morbidity and death, especially infection from the extensively drug-resistant bacteria, A. baumannii. A total of fourteen A. baumannii isolates were isolated from the donors' preserved fluid from DCD (donation after cardiac death) renal transplantation and four isolates in the recipients' draining liquid at the Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, from March 2013 to November 2014. An outbreak of A...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28511172/donor-specific-anti-human-leukocyte-antigens-antibodies-acute-rejection-renal-function-and-histology-in-kidney-transplant-recipients-receiving-tacrolimus-and-everolimus
#19
Alexandra Ferreira, Claudia Felipe, Marina Cristelli, Laila Viana, Geovana Basso, Suelen Stopa, Juliana Mansur, Mayara Ivani, Adrieli Bessa, Priscila Ruppel, Wilson Aguiar, Erika Campos, Maria Gerbase-DeLima, Henrique Proença, Helio Tedesco-Silva, José Medina-Pestana
BACKGROUND: This analysis compared efficacy, renal function, and histology in kidney transplant recipients receiving tacrolimus (TAC) combined with everolimus (EVR) or mycophenolate (MPS). METHODS: This was a retrospective analysis from a randomized trial in kidney transplant recipients who received a single 3 mg/kg dose of rabbit antithymocyte globulin (r-ATG), TAC, EVR, and prednisone (PRED; r-ATG/EVR, n = 85), basiliximab (BAS), TAC, EVR, and PRED (BAS/EVR, n = 102) or BAS, TAC, MPS, and PRED (BAS/MPS, n = 101)...
May 17, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28511069/ischaemic-preconditioning-current-knowledge-and-potential-future-applications-after-30-years-of-experience
#20
REVIEW
Karolina Stokfisz, Anna Ledakowicz-Polak, Maciej Zagorski, Marzenna Zielinska
Ischaemic preconditioning (IPC) phenomenon has been known for thirty years. During that time several studies showed that IPC provided by brief ischaemic and reperfusion episodes prior to longer ischaemia can bestow a protective effect to both preconditioned and also remote organs. IPC affecting remote organs is called remote ischaemic preconditioning. Initially, most IPC studies were focused on enhancing myocardial resistance to subsequent ischaemia and reperfusion injury. However, preconditioning was found to be a universal phenomenon and was observed in various organs and tissues including the heart, liver, brain, retina, kidney, skeletal muscles and intestine...
May 13, 2017: Advances in Medical Sciences
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