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delayed graft function

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https://www.readbyqxmd.com/read/28544815/fabrication-of-viable-and-functional-pre-vascularized-modular-bone-tissues-by-coculturing-mscs-and-huvecs-on-microcarriers-in-spinner-flasks
#1
Songjie Zhang, Min Zhou, Zhaoyang Ye, Yan Zhou, Wen-Song Tan
BACKGROUND AND AIM: Slow vascularization often impedes the viability and function of engineered bone replacements. Prevascularization is a promising way to solve this problem. In this study, a new process was developed by integrating microcarrier culture and coculture to fabricate pre-vascularized bone microtissues with mesenchymal stem cells (MSCs) and human umbilical vein endotheli-al cells (HUVECs). METHODOLOGY: Initially, coculture medium and cell ratio between MSCs and HUVECs were optimized in tissue culture plates concerning cell proliferation, osteogenesis and angiogenesis...
May 24, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28544075/dual-kidney-transplant-techniques-a-systematic-review
#2
Annelise Cocco, Sara Shahrestani, Nicholas Cocco, Ahmer Hameed, Lawrence Yuen, Brendan Ryan, Wayne Hawthorne, Vincent Lam, Henry Pleass
BACKGROUND: Dual kidney transplantation (DKT) was developed in order to improve outcomes from transplantation of extended criteria donors (ECD). This paper examined which surgical techniques have been reported for DKT, and whether any technique had superior patient and graft survival. METHOD: Electronic databases were searched for published studies mapping to MESH terms: ''kidney or renal" AND "transplan*" AND "dual or double". Single case reports; studies of patients less than 18 years old; studies which did not describe the surgical technique; and studies that did not report patient or graft survival were excluded...
May 23, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28538652/association-between-delayed-graft-function-and-graft-loss-in-donation-after-cardiac-death-kidney-transplants-a-paired-kidney-registry-analysis
#3
Wai H Lim, Stephen P McDonald, Graeme R Russ, Jeremy R Chapman, Maggie Km Ma, Henry Pleass, Bryon Jaques, Germaine Wong
BACKGROUND: Delayed graft function (DGF) is an established complication after donation after cardiac death (DCD) kidney transplants, but the impact of DGF on graft outcomes is uncertain. To minimize donor variability and bias, a paired donor kidney analysis was undertaken where 1 kidney developed DGF and the other did not develop DGF using data from the Australia and New Zealand Dialysis and Transplant Registry. METHODS: Using paired DCD kidney data from the Australia and New Zealand Dialysis and Transplant Registry, we examined the association between DGF, graft and patient outcomes between 1994 and 2012 using adjusted Cox regression models...
June 2017: Transplantation
https://www.readbyqxmd.com/read/28536887/ficolin-2-gene-rs7851696-polymorphism-is-associated-with-delayed-graft-function-and-acute-rejection-in-kidney-allograft-recipients
#4
Ewa Dabrowska-Zamojcin, Michal Czerewaty, Damian Malinowski, Maciej Tarnowski, Sylwia Słuczanowska-Głabowska, Leszek Domanski, Krzysztof Safranow, Andrzej Pawlik
Ficolin-2 is an activator of the complement system that acts via the lectin pathway. Complement activation plays a substantial role in the renal injury inherent to kidney transplantation. In this study, we examined the associations between ficolin-2 gene polymorphisms in exon 8 and kidney allograft function. This study comprised 270 Caucasian deceased-donor renal transplant recipients. The following parameters were recorded in each case: delayed graft function (DGF), acute rejection (AR), and chronic allograft dysfunction...
May 23, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28534953/proteomic-analysis-of-differentially-expressed-proteins-in-kidneys-of-brain-dead-rabbits
#5
Ling Li, Ning Li, Chongxiang He, Wei Huang, Xiaoli Fan, Zibiao Zhong, Yanfeng Wang, Qifa Ye
A large number of previous clinical studies have reported a delayed graft function for brain dead donors, when compared with living relatives or cadaveric organ transplantations. However, there is no accurate method for the quality evaluation of kidneys from brain‑dead donors. In the present study, two‑dimensional gel electrophoresis and MALDI‑TOF MS‑based comparative proteomic analysis were conducted to profile the differentially‑expressed proteins between brain death and the control group renal tissues...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28523715/dual-en-bloc-technique-for-adult-renal-transplantation
#6
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/28520146/association-of-tenofovir-disoproxil-fumarate-with-primary-allograft-survival-in-hiv-positive-kidney-transplant-recipients
#7
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/28515057/delaying-acl-reconstruction-and-treating-with-exercise-therapy-alone-may-alter-prognostic-factors-for-5-year-outcome-an-exploratory-analysis-of-the-kanon-trial
#8
Stephanie R Filbay, Ewa M Roos, Richard B Frobell, Frank Roemer, Jonas Ranstam, L Stefan Lohmander
AIM: Identify injury-related, patient-reported and treatment-related prognostic factors for 5-year outcomes in acutely ACL-ruptured individuals managed with early reconstruction plus exercise therapy, exercise therapy plus delayed reconstruction or exercise therapy alone. METHODS: Exploratory analysis of the Knee Anterior Cruciate Ligament, Nonsurgical versus Surgical Treatment (KANON) trial (ISRCTN84752559). Relationships between prognostic factors (baseline cartilage, meniscus and osteochondral damage, baseline extension deficit, baseline patient-reported outcomes, number of rehabilitation visits, graft/contralateral ACL rupture, non-ACL surgery and ACL treatment strategy) and 5-year Knee Injury and Osteoarthritis Outcome Score (KOOS) pain, symptoms, sport/recreation and quality of life (QOL) scores were explored using multivariable linear regression...
May 17, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28512358/delayed-epidural-transplantation-of-human-induced-pluripotent-stem-cell-derived-neural-progenitors-enhances-functional-recovery-after-stroke
#9
I-Hui Lee, Shiang-Suo Huang, Ching-Yu Chuang, Ko-Hsun Liao, Li-Hsin Chang, Chia-Chi Chuang, Yu-Shih Su, Hung-Jui Lin, Jui-Yu Hsieh, Shu-Han Su, Oscar Kuang-Sheng Lee, Hung-Chih Kuo
Induced pluripotent stem cell-derived neural progenitor cells (iPSC-NPCs) are a promising source of tailor-made cell therapy for neurological diseases. However, major obstacles to clinical use still exist. To circumvent complications related to intracerebral administration, we implanted human iPSC-NPCs epidurally over the peri-infarct cortex 7 days after permanent middle cerebral artery occlusion in adult rats. Compared to controls, cell-treated rats showed significant improvements in paretic forelimb usage and grip strength from 10 days post-transplantation (dpt) onwards, as well as reductions in lesion volumes, inflammatory infiltration and astrogliosis at 21 dpt...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28493145/influence-of-the-recipient-body-mass-index-on-the-outcomes-after-kidney-transplantation
#10
Juliane Liese, Nils Bottner, Stefan Büttner, Alexander Reinisch, Guido Woeste, Markus Wortmann, Ingeborg A Hauser, Wolf Otto Bechstein, Frank Ulrich
PURPOSE: The relationship between the body mass index (BMI) of kidney transplant recipients and outcomes after kidney transplantation (KT) is not fully understood and remains controversial. We studied the influence of BMI on clinically relevant outcomes in kidney transplant recipients. METHODS: In this retrospective single-centre study, all patients who underwent kidney transplantation at our institution between January 2007 and December 2012 were included. Demographic data and BMI were correlated with the clinical course of the disease, rejection rates, delayed graft function rates, and graft and patient survival...
May 10, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28486786/local-delivery-of-fingolimod-from-3-d-scaffolds-impacts-islet-graft-efficacy-and-microenvironment-in-a-murine-diabetic-model
#11
Anthony W Frei, Ying Li, Kaiyuan Jiang, Peter Buchwald, Cherie L Stabler
The local delivery of immunosuppressive agents could significantly promote the success of islet transplantation for the treatment of Type 1 diabetes. Fingolimod, a clinically-approved sphingosine-1-phosphate receptor agonist, has been found to dampen allograft islet rejection in rodent models when delivered systemically. Herein, we engineered a platform for the local delivery of fingolimod by incorporating it within a macroporous polydimethylsiloxane (PDMS) scaffold specifically designed for islet transplantation...
May 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28485029/surface-enhanced-raman-scattering-analysis-of-urine-from-deceased-donors-as-a-prognostic-tool-for-kidney-transplant-outcome
#12
Jingmao Chi, Yiwei Ma, Francis L Weng, Heather Thiessen-Philbrook, Chirag R Parikh, Henry Du
We report the utility of surface-enhanced Raman scattering (SERS) analysis of urine from deceased donors for prognosis of kidney transplant outcomes. Iodide-modified silver nanoparticles were used as the enabler for sensitive measurements of urine proteins. Principal component analysis (PCA) and linear discriminant analysis (LDA) were employed for the statistical analysis of the SERS data. Thirty urine samples in three classes were analysed. The ATN class consists of donors whose kidneys had acute tubular necrosis (ATN), the most common type of acute kidney injury (AKI) with high risk of poor graft performance in recipients, yet yielded acceptable transplant outcome...
May 9, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28483358/induced-membrane-technique-combined-with-two-stage-internal-fixation-for-the-treatment-of-tibial-osteomyelitis-defects
#13
Fei Luo, Xiaohua Wang, Shulin Wang, Jingshu Fu, Zhao Xie
INTRODUCTION: The purpose of this study was to observe the effects of induced membrane technique combined with two-stage internal fixation in the treatment of tibial osteomyelitis defects. METHODS: A retrospective analyses for 67 cases of tibialosteomyelitis defects were admitted to our department between September 2012 to February 2015, which were treated with induced membrane technique. At the first stage, implanted with a PMMA cement spacer in the defects after radical debridement and fixed with reconstructive locked plate...
April 26, 2017: Injury
https://www.readbyqxmd.com/read/28483273/ex-vivo-machine-perfusion-for-renal-graft-preservation
#14
REVIEW
J Moritz Kaths, Andreas Paul, Lisa A Robinson, Markus Selzner
Kidney transplantation is the treatment of choice for end-stage renal disease. Despite its superiority over dialysis, the persisting organ shortage remains a major drawback. Additional sources to increase the donor pool are grafts recovered from extended criteria donors (ECD) and donation after circulatory death (DCD). Although transplantation of marginal grafts demonstrates promising outcomes, increased rates of primary non-function, delayed graft function, and reduced graft survival have been reported. Cold ischemic injury, caused by static cold storage is a significant risk factor for poor outcome...
April 26, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28476951/proteins-in-preservation-fluid-as-predictors-of-delayed-graft-function-in-kidneys-from-donors-after-circulatory-death
#15
Bas W M van Balkom, Hendrik Gremmels, Liselotte S S Ooms, Raechel J Toorop, Frank J M F Dor, Olivier G de Jong, Laura A Michielsen, Gert J de Borst, Wilco de Jager, Alferso C Abrahams, Arjan D van Zuilen, Marianne C Verhaar
BACKGROUND AND OBJECTIVES: Kidney transplantation is the preferred treatment for ESRD, and donor kidney shortage urges proper donor-recipient matching. Zero-hour biopsies provide predictive values for short- and long-term transplantation outcomes, but are invasive and may not reflect the entire organ. Alternative, more representative methods to predict transplantation outcome are required. We hypothesized that proteins accumulating in preservation fluid during cold ischemic storage can serve as biomarkers to predict post-transplantation graft function...
May 8, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28476950/can-preservation-fluid-biomarkers-predict-delayed-graft-function-in-transplanted-kidneys
#16
EDITORIAL
Isaac E Hall
No abstract text is available yet for this article.
May 8, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28475563/depleting-antibody-induction-and-kidney-transplant-outcomes-a-paired-kidney-analysis
#17
Marcelo S Sampaio, Bhavna Chopra, Kalathil K Sureshkumar
BACKGROUND: Induction immunosuppression decreases the risk for acute rejection and improves graft outcomes in kidney transplant recipients (KTRs). We aimed to compare the outcomes of induction with Thymoglobulin and alemtuzumab in KTRs through paired-kidney analysis. METHODS: Using OPTN/UNOS database from 2003 to 2013, we identified recipients of deceased donor kidneys from the same donor in such a way that 1 patient received Thymoglobulin induction and recipient of the mate kidney underwent alemtuzumab induction...
October 11, 2016: Transplantation
https://www.readbyqxmd.com/read/28468174/the-strategy-of-delayed-reconstruction-of-the-mandible-in-war-injuries
#18
Firas Taha Ahmed, Marwa Turkey Aljeuary
The most common causes of mandibular defects are ablative surgery of benign or malignant tumors, severe trauma, inflammatory diseases, and osteoradionecrosis. War injuries are another cause for mandibular defect. Reconstruction of the mandible is considered a challenge to the maxillofacial surgeon due to the accompanying functional and cosmetic importance. The object of this article was to show the role of nonvascularized bone graft in the reconstruction of segmental defect of the mandible resulted from projectiles and its snags...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28457399/polyomavirus-nephropathy-ten-year-experience
#19
J S Costa, E Ferreira, R Leal, N Bota, C Romãozinho, V Sousa, C Marinho, L Santos, F Macário, R Alves, J Pratas, M Campos, A Figueiredo
BACKGROUND: Polyomavirus nephropathy (BKVN) is an important cause of chronic allograft dysfunction (CAD). Recipient determinants (male sex, white race, and older age), deceased donation, high-dose immunosuppression, diabetes, delayed graft function (DGF), cytomegalovirus infection, and acute rejection (AR) are risk factors. Reducing immunosuppression is the best strategy in BKVN. The objective of our study was to evaluate CAD progression after therapeutic strategies in BKVN and risk factors for graft loss (GL)...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28457381/salvage-of-an-octogenarian-liver-graft-using-normothermic-perfusion-a-case-report
#20
D Pezzati, D Ghinolfi, E Balzano, P De Simone, L Coletti, N Roffi, E Rreka, L Meacci, D Campani, A Mazzoni, A Paolicchi, L Caponi, P Marchetti, L Marselli, F Filipponi
Liver transplantation with very old donors is safe, but is associated with an increased incidence of ischemic-type biliary lesions and delayed graft function. Normothermic machine perfusion (NMP) is a novel technique for preservation of liver grafts and has the potential to reduce ischemia-reperfusion injury. A case is reported here of a liver transplantation (LT) with a graft from an 83-year-old brain-dead donor. Procurement was with dual perfusion and en bloc, modified fast technique. Donor kidneys were not transplanted due to severe atherosclerosis and poor perfusion...
May 2017: Transplantation Proceedings
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