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https://www.readbyqxmd.com/read/28732438/investigation-of-killer-immunoglobulin-like-receptor-kir-and-hla-genotypes-to-predict-the-occurrence-of-acute-allograft-rejection-after-kidney-transplantation
#1
Davood Jafari, Mohsen Nafar, Mir Saeed Yekaninejad, Razieh Abdolvahabi, Mahboob Lesan Pezeshki, Efat Razaghi, Ali Akbar Amirzargar
After kidney transplantation, natural killer (NK) cells play a pivotal role in triggering the immune response to the allogeneic grafts primarily by their killer-cell immunoglobulin-like receptors (KIR). This process may be one mechanism that contributes to graft rejection. In this study, we have evaluated whether acute rejection after kidney transplantation was associated with predicted NK cell alloreactivity based on KIR gene and ligand along with KIR/HLA compound genotype analysis. After kidney transplantation, natural killer (NK) cells play a pivotal role in triggering the immune response to the allogeneic grafts primarily by their killer-cell immunoglobulin-like receptors (KIR)...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28732093/attitudes-among-transplant-professionals-regarding-shifting-paradigms-in-eligibility-criteria-for-live-kidney-donation
#2
Jeffrey A Lafranca, Emerentia Q W Spoon, Jacqueline van de Wetering, Jan N M IJzermans, Frank J M F Dor
BACKGROUND: The transplant community increasingly accepts extended criteria live kidney donors, however, great (geographical) differences are present in policies regarding the acceptance of these donors, and guidelines do not offer clarity. The aim of this survey was to reveal these differences and to get an insight in both centre policies as well as personal beliefs of transplant professionals. METHODS: An online survey was sent to 1128 ESOT-members. Questions were included about several extended donor criteria; overweight/obesity, older age, vascular multiplicity, minors as donors and comorbidities; hypertension, impaired fasting glucose, kidney stones, malignancies and renal cysts...
2017: PloS One
https://www.readbyqxmd.com/read/28731906/c1-inhibitor-treatment-decreases-renal-injury-in-an-established-brain-dead-rat-model
#3
Felix Poppelaars, Neeltina M Jager, Juha Kotimaa, Henri G D Leuvenink, Mohamed R Daha, Cees van Kooten, Marc A Seelen, Jeffrey Damman
BACKGROUND: Kidneys derived from brain-dead (BD) donors have lower graft survival rates compared to kidneys from living donors. Complement activation plays an important role in brain death. The aim of our study was therefore to investigate the effect of C1-inhibitor (C1-INH) on BD-induced renal injury. METHODS: Brain death was induced in rats by inflating a subdurally placed balloon catheter. Thirty minutes after BD, rats were treated with saline, low-dose or high-dose C1-INH...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731905/validation-of-the-prognostic-kidney-donor-risk-index-kdri-scoring-system-of-deceased-donors-for-renal-transplantation-in-the-netherlands
#4
Hessel Peters-Sengers, Martin B A Heemskerk, Ronald B Geskus, Jesper Kers, Jaap J Homan van der Heide, Stefan P Berger, Frederike J Bemelman
BACKGROUND: The prognostic Kidney Donor Risk Index (KDRI)-developed and internally validated in the US-is a widely-used tool to predict transplant outcome of a deceased donor kidney. The KDRI is currently used for longevity matching between donors and recipients in the US. METHODS: We aimed to externally validate the KDRI as proposed by Rao et al, (2009) containing 10 donor factors (KDRIdonor-only) and 1 with 4 additional transplant factors (KDRIfull), with stratification on recipient age and diabetes...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731903/hepatitis-transmission-risk-in-kidney-transplantation-the-hint-study-a-cross-sectional-survey-of-transplant-clinicians-in-australian-and-new-zealand
#5
Karen M J Waller, Kate R Wyburn, Nicholas A Shackel, Michael J O'Leary, Patrick J Kelly, Angela C Webster
BACKGROUND: Interpreting hepatitis serology and virus transmission risk in transplantation can be challenging. Decisions must balance opportunity to transplant against potential infection transmission. We aimed to survey understanding among the Australian and New Zealand medical transplant workforce of hepatitis risk in kidney donors and recipients. METHODS: An anonymous, self-completed, cross-sectional survey was distributed via electronic mailing lists to Australian and New Zealand clinicians involved in kidney transplantation (2014-2015)...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28730184/associations-between-deceased-donor-urine-mcp-1-and-kidney-transplant-outcomes
#6
S G Mansour, J Puthumana, P P Reese, I E Hall, M D Doshi, F L Weng, B Schröppel, H Thiessen-Philbrook, M Bimali, C R Parikh
INTRODUCTION: Existing methods to predict recipient allograft function during deceased-donor kidney procurement are imprecise. Understanding the potential renal reparative role for monocyte chemoattractant protein-1 (MCP-1), a cytokine involved in macrophage recruitment after injury, might help predict allograft outcomes. METHODS: We conducted a sub-study of the multicenter prospective Deceased Donor Study cohort, which evaluated deceased kidney donors from five organ procurement organizations from May 2010 to December 2013...
July 2017: KI Reports
https://www.readbyqxmd.com/read/28729907/current-status-of-pediatric-transplantation-in-japan
#7
REVIEW
Nao Nishimura, Mureo Kasahara, Kenji Ishikura, Satoshi Nakagawa
Brain-dead donor organ transplantation has been available to children in Japan since the 2010 revision of the Organ Transplant Law. Of the 50-60 brain-dead donor organ transplants performed annually in Japan, however, very few (0-4 per year) are performed in children. Again, while those receiving liver, heart, and kidney transplants are reported to fare better than their counterparts in the rest of the world, organ shortage is becoming a matter of great concern. Very few organs become available from brain-dead donors or are transplanted to adults if made available at all, with some children dying while on the brain-dead organ waiting list...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28729289/class-ii-eplet-mismatch-modulates-tacrolimus-trough-levels-required-to-prevent-donor-specific-antibody-development
#8
Chris Wiebe, David N Rush, Thomas E Nevins, Patricia E Birk, Tom Blydt-Hansen, Ian W Gibson, Aviva Goldberg, Julie Ho, Martin Karpinski, Denise Pochinco, Atul Sharma, Leroy Storsley, Arthur J Matas, Peter W Nickerson
Despite more than two decades of use, the optimal maintenance dose of tacrolimus for kidney transplant recipients is unknown. We hypothesized that HLA class II de novo donor-specific antibody (dnDSA) development correlates with tacrolimus trough levels and the recipient's individualized alloimmune risk determined by HLA-DR/DQ epitope mismatch. A cohort of 596 renal transplant recipients with 50,011 serial tacrolimus trough levels had HLA-DR/DQ eplet mismatch determined using HLAMatchmaker software. We analyzed the frequency of tacrolimus trough levels below a series of thresholds <6 ng/ml and the mean tacrolimus levels before dnDSA development in the context of HLA-DR/DQ eplet mismatch...
July 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28728576/beneficial-effect-of-kidney-transplantation-from-a-deceased-donor-on-severe-chronic-refractory-intradialytic-hypotension-a-case-report
#9
Ewa Ignacak, Dominik Cieniawski, Alina Bętkowska-Prokop, Czesław Osuch, Marek Kuźniewski, Władysław Sułowicz
BACKGROUND: Chronic refractory hypotension (IDH, intradialytic hypotension) is a rare but serious problem encountered in patients on hemodialysis. Patients with chronic hypotension are often disqualified by transplant teams from renal transplantation. This is due to the possibility of an enormous risk of ischemic complications. CASE PRESENTATION: We describe a 44-year old female patient with severe refractory hypotension (mean BP 60/30 mmHg, the lowest 48/28 mmHg), which appeared after bilateral laparoscopic nephrectomy of the infected kidneys...
July 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28727227/long-term-outcomes-of-simultaneous-heart-and-kidney-transplantation-in-pediatric-recipients
#10
Patricia L Weng, Juan Carlos Alejos, Nancy Halnon, Qiuheng Zhang, Elaine F Reed, Eileen Tsai Chambers
Pediatric sHKTx has become an effective therapy for patients with combined cardiac and renal failure. Often, these patients develop human leukocyte antigen antibodies from their previous allografts and are therefore more difficult to re-transplant. We describe the largest case series of a predominantly sensitized pediatric sHKTx with emphasis on medical management and patient outcomes. Demographics, clinical characteristics, antibody, and biopsy data were retrospectively collected from University of California, Los Angeles database and correlated with short- and long-term patient and allograft outcomes of all sHKTx performed between 2002 and 2015...
July 20, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28726586/application-of-ureterorenoscope-and-flexible-ureterorenoscope-lithotripsy-in-removing-calculus-from-extracorporeal-living-donor-renal-graft-a-single-center-experience
#11
Chun-Hua Lin, Zuo-Fu Zhang, Jiahui Wang, Lu-Xin Yu, Wen-Ting Wang, Lei Shi, Xiang-Nan Lin
Here, we reported our clinical application of ureterorenoscope (URS) and flexible URS lithotripsy in stone removal on 10 cases of excised living donor kidney graft. After the extraction of donor kidney by retroperitoneal laparoscopy, the donor graft was perfused with 4 °C HCA solution. Calculus between 2-4 mm were removed intact with lithotomy forceps under direct vision of URS. Larger calculi of >4 mm were fractured with flexible URS combining holmium laser lithotripsy. Fragments of the calculus were extracted with basket extractor and lithotomy forceps...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28725880/role-of-intrinsic-factors-in-the-growth-of-transplanted-organs-following-transplantation
#12
Jigesh A Shah, Tatsu Tanabe, Kazuhiko Yamada
Shortages in the availability of transplantable organs have forced the transplant community to seek alternative methods to increase the supply of available organs. In our recent study following α-1,3-galactocyltransferase knockout (GalT-KO) pig-to-baboon kidney xenotransplantation, we found that certain recipients developed increased serum creatinine, possibly due to the rapid growth of orthotopic pig grafts in smaller baboon recipients. To test our hypothesis, we assessed whether the growth of outbred (Yorkshire) organ transplants (kidney and lung) in miniature swine was regulated by intrinsic (graft) factors...
June 2017: Journal of Immunobiology
https://www.readbyqxmd.com/read/28722099/-results-of-a-representative-survey-on-the-psychosocial-evaluation-before-living-donor-kidney-transplantation-in-germany
#13
Martina de Zwaan, Yesim Erim, Gertrud Greif-Higer, Sylvia Kröncke, Markus Burgmer, Frank Vitinius, Sabine Kunze, Hendrik Berth
Aim Since there is no consensus about how to perform the predonation psychosocial evaluation of living kidney donor candidates, this is conducted differently in German transplant centers. Thus, the goal of the study was to learn more about how psychosocial evaluations are currently conducted in German transplant centers. Methods The psychosocial evaluators of the 38 transplant centers performing kidney transplantations in 2015 were contacted and asked to participate in an anonymous online survey. Results Psychosocial evaluators from 28 (75%) transplant centers responded...
June 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28717935/rabbit-anti-human-thymocyte-immunoglobulin-for-the-rescue-treatment-of-chronic-antibody-mediated-rejection-after-pediatric-kidney-transplantation
#14
Yasemen Cihan, Nele Kanzelmeyer, Jens Drube, Martin Kreuzer, Christian Lerch, Imke Hennies, Kerstin Froede, Murielle Verboom, Thurid Ahlenstiel-Grunow, Lars Pape
BACKGROUND: Chronic antibody-mediated rejection (cAMR) is the leading cause of late kidney graft loss, but current therapies are often ineffective. Rabbit anti-human thymocyte immunoglobulin (rATG) may be helpful, but its use is virtually undocumented. METHODS: Data were analyzed retrospectively from nine pediatric kidney transplant patients with cAMR were treated with rATG (1.5 mg/kg × 5 days) at our center after non-response to pulsed prednisolone, intravenous immunoglobulin, rituximab, and increased immunosuppressive intensity (including switching to belatacept in some cases), with or without bortezomib...
July 17, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28717279/cystitis-glandularis-management-and-challenges-in-a-renal-transplant-recipient
#15
Himanshu Agarwal, Mukund G Andankar, Viswanath Billa
Cystitis cystica or glandularis is a clinical and pathological entity of the bladder mucosa occurring secondary to inflammation or chronic obstruction. Its premalignant nature remains controversial, especially in an immunocompromised transplant recipient. We present a rare case where a chronic kidney disease patient was found to have cystitis glandularis while being worked up for living-related donor renal transplant and describe its subsequent management.
July 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28712403/-serum-soluble-hla-g-soluble-cd30-is-correlated-to-the-time-after-transplantation-in-renal-transplant-recipients
#16
Zhankui Jin, Cuixiang Xu, Wanli Duan, Jiangcun Yang, Puxun Tian
Objective To investigate the expressions of serum soluble human leukocyte antigen G (sHLA-G) and soluble CD30 (sCD30) in renal transplant recipients at different time after transplantation, and explore the relationship between the expressions of serum sHLA-G, sCD30 and the time after renal transplantation. Methods Eleven kidney transplant recipients and 10 healthy donors were selected, in which the dynamic changes of serum sHLA-G and sCD30 were detected by ELISA before transplantation and 1 year after transplantation; 33 kidney transplant recipients with normal renal graft were selected and divided into three groups: 1-5 years, 5-10 years and 10 years post-transplantation...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28712148/influence-of-kidney-offer-acceptance-behavior-on-metrics-of-allocation-efficiency
#17
Andrew Wey, Nicholas Salkowski, Bertram L Kasiske, Ajay K Israni, Jon J Snyder
We investigated associations of deceased donor kidney offer acceptance with likelihood of the kidney being discarded, cold ischemia time at transplant (CIT), and likelihood of the kidney being exported outside the donation service area (DSA). We used kidney offers from donors in the Scientific Registry of Transplant Recipients July 1, 2015-June 30, 2016, and a stratified logistic regression to estimate odds ratios of acceptance for candidates waitlisted in a DSA. We estimated associations between these ratios and likelihood of discard or export and CIT at transplant...
July 16, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28712111/long-term-outcomes-and-transmission-rates-in-hepatitis-c-virus-positive-donor-to-hepatitis-c-virus-negative-kidney-transplant-recipients-analysis-of-united-states-national-data
#18
G Gupta, L Kang, J W Yu, A J Limkemann, V Garcia, D Bandyopadhyay, D Kumar, H Fattah, M Levy, A H Cotterell, A Sharma, C S Bhati, T Reichman, A L King, R K Sterling
The use of kidneys from hepatitis C virus (HCV) positive (D+) deceased donors for HCV negative recipients (R-) might increase the donor pool. We analyzed the national OPTN registry from 1994-2014 to compare the outcomes of HCV D+/R- (n=421) to propensity matched HCV donor negative (D-)/R- kidney transplants, as well as with, wait listed patients who never received a transplant, in a 1:5 ratio (n = 2105, per matched group). Both 5-year graft (44% vs. 66%; p < 0.001) and patient survival (57% vs. 79%; p < 0...
July 16, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28711076/pregnancy-in-renal-transplant-recipients-and-donors
#19
Kate Bramham
Women with renal transplants have restoration of fertility with improved kidney function; however, pregnancy rates in renal transplant recipients appear to be lower than the general population, which might be influenced by patient choice. Women with renal transplants need to evaluate potential neonatal outcomes, graft outcomes, and risks to their own health to make informed decisions about conception. Pregnancy should be carefully planned in renal transplant recipients to reduce risk for graft loss, optimize pregnancy outcomes, and ensure immunosuppression regimes are nonteratogenic...
July 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28709642/a-multicenter-cohort-study-of-potential-living-kidney-donors-provides-predictors-of-living-kidney%C3%A2-donation-and-non-donation
#20
Phillippa K Bailey, Charles R V Tomson, Stephanie MacNeill, Ann Marsden, Dominique Cook, Rhian Cooke, Fiona Biggins, Jim O'Sullivan, Yoav Ben-Shlomo
This multicenter prospective potential living kidney donor cohort study investigated which sociodemographic and other factors predict progression to living kidney donation or donor withdrawal as little is known on this topic. Therefore, we examined data on individuals undergoing living donor assessment at seven hospitals in the United Kingdom. Multivariable logistic regression was used to explore the relationships between donor and recipient characteristics and likelihood of kidney donation. A total of 805 individuals presented for directed donation to 498 intended recipients, of which 112 received a transplant from a living donor...
July 12, 2017: Kidney International
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