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Renal Transplantation

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205 papers 100 to 500 followers
By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
https://www.readbyqxmd.com/read/29135859/developing-a-risk-score-to-predict-long-term-adverse-outcomes-after-kidney-transplantation
#1
Shi-Yu Wang, Fu-Shan Xue, Gui-Zhen Yang
No abstract text is available yet for this article.
November 10, 2017: Transplantation
https://www.readbyqxmd.com/read/29030886/genetics-of-acute-rejection-after-kidney-transplantation
#2
REVIEW
Casey R Dorr, William S Oetting, Pamala A Jacobson, Ajay K Israni
Treatment of acute rejection (AR) following kidney transplantation has improved in recent years, but there are still limitations to successful outcomes. This review article covers literature in regard to recipient and donor genetics of AR kidney and secondarily of liver allografts. Many candidate gene and some genome-wide association studies (GWASs) have been conducted for AR in kidney transplantation. Genetic associations with AR in kidney and liver are mostly weak, and in most cases, the associations have not been reproducible...
October 14, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28967964/effects-of-recurrent-urinary-tract-infections-on-graft-and-patient-outcomes-after-kidney-transplantation
#3
Nicholas S Britt, Jennifer C Hagopian, Daniel C Brennan, April A Pottebaum, Carlos A Q Santos, Ara Gharabagi, Timothy A Horwedel
Background: Urinary tract infections (UTIs) are common following kidney transplantation (KT); however, the influence of recurrent post-KT UTI (R-UTI) is not well-characterized. Methods: We compared graft outcomes, patient outcomes and multidrug-resistance rates between patients with no UTI, nonrecurrent UTI (NR-UTI) (urine sample containing >105 bacterial colony-forming units/mL) and R-UTI (≥2 UTIs in any 6-month period or ≥3 UTIs in any 12-month period) post-KT in a retrospective cohort study (1999-2014) at Barnes-Jewish Hospital (St Louis, MO)...
October 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28960938/acute-allograft-dysfunction-with-abnormal-ultrasound-findings-in-a-renal-transplant-recipient
#4
EDITORIAL
Carrie A Carson, Aisling E Courtney, Jennifer A McCaughan
No abstract text is available yet for this article.
October 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28960455/non-traditional-sites-for-vascular-anastomoses-to-enable-kidney-transplantation-in-patients-with-major-systemic-venous-thromboses
#5
Bonnie E Lonze, Nabil N Dagher, Nada Alachkar, Annette M Jackson, Robert A Montgomery
Successful renal transplantation requires low-pressure venous drainage to permit adequate outflow from the allograft. We report here a series of three patients in whom the inferior vena cava as well as bilateral iliac veins were thrombosed, making it necessary to explore less traditional vessels for venous drainage of the renal allograft. We utilized the splanchnic vasculature in two cases, and the native left renal vein in another. The resulting atypical intra-abdominal locations of these allografts also presented difficulties for arterial anastomoses and for urinary drainage...
September 28, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28938312/long-cold-ischemia-times-in-same-hospital-deceased-donor-transplants
#6
Eric Kh Chow, Sandra DiBrito, Xun Luo, Corey Wickliffe, Allan B Massie, Jayme E Locke, Sommer E Gentry, Jacqueline Garonzik-Wang, Dorry L Segev
BACKGROUND: Recent changes in deceased donor organ allocation for livers (Share-35) and kidneys (KAS) have resulted in broader sharing of organs and increased cold ischemia time (CIT). Broader organ sharing however is not the only cause of increased CIT. METHODS: This was a retrospective registry study of CIT in same-hospital liver transplants (SHLT, n=4,347) and kidney transplants (SHKT, n=9,707) between 2004 and 2014. RESULTS: In SHLT, median (IQR) CIT was 5...
September 20, 2017: Transplantation
https://www.readbyqxmd.com/read/28905454/management-considerations-in-the-failing-renal-allograft
#7
REVIEW
Tom Lea-Henry, Bobby Chacko
Patients with a failed or failing renal transplant are increasing in number. Graft failure resulting in dialysis re-initiation is not uncommon, yet there are limited data to guide management of these patients. Physician practices vary regarding timing of dialysis initiation and the timing and extent of immunosuppression withdrawal. The risks of immunosuppression withdrawal need to be carefully balanced against the benefits of continuing low-dose therapy. The latter helps minimise the risk of sensitisation and has been proposed to possibly slow the loss of residual renal function; however, the use of common immunosuppressive agents may contribute to cardiovascular disease, malignancy, and infection, the major causes of death following the loss of a renal transplant...
September 14, 2017: Nephrology
https://www.readbyqxmd.com/read/28882367/defining-the-phenotype-of-antibody-mediated-rejection-in-kidney-transplantation-advances-in-diagnosis-of-antibody-injury
#8
REVIEW
Neetika Garg, Milagros D Samaniego, Dana Clark, Arjang Djamali
The diagnostic criteria for antibody-mediated rejection (ABMR) are constantly evolving in light of the evidence. Inclusion of C4d-negative ABMR has been one of the major advances in the Banff Classification in recent years. Currently Banff 2015 classification requires evidence of donor specific antibodies (DSA), interaction between DSA and the endothelium, and acute tissue injury (in the form of microvasculature injury (MVI); acute thrombotic microangiopathy; or acute tubular injury in the absence of other apparent cause)...
August 15, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28832239/pre-transplant-histology-does-not-improve-prediction-of-5-year-kidney-allograft-outcomes-above-and-beyond-clinical-parameters
#9
C Traynor, A Saeed, E O'Ceallaigh, A Elbadri, P O'Kelly, D G de Freitas, A M Dorman, P J Conlon, C M O'Seaghdha
Pre-implant kidney biopsy is used to determine suitability of marginal donor kidneys for transplantation. However, there is limited data examining the utility of pre-implant histology in predicting medium term graft outcome. This retrospective study examined kidney transplants over a 10-year period at a single center to determine if pre-implant histology can identify cases of eGFR ≤35 ml/min/1.73m(2) at 5 year follow up beyond a clinical predictive logistic regression model. We also compared outcomes of dual kidney transplants with standard single kidney transplants...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28832357/recurrent-glomerular-disease-after-kidney-transplantation
#10
Christopher D Blosser, Roy D Bloom
PURPOSE OF REVIEW: With improving short-term kidney transplant outcomes, recurrent glomerular disease is being increasingly recognized as an important cause of chronic allograft failure. Further understanding of the risks and pathogenesis of recurrent glomerular disease enable informed transplant decisions, along with the development of preventive and treatment strategies. RECENT FINDINGS: Multiple observational studies have highlighted differences in rates and outcomes for various recurrent glomerular diseases, although these rates have not markedly improved over the last decade...
November 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28807264/deconstructing-interstitial-fibrosis-and-tubular-atrophy-a-step-toward-precision-medicine-in-renal-transplantation
#11
Michael Mengel
The prerequisite for successful treatment is an accurate diagnosis, a concept coined precision medicine. Progression of interstitial fibrosis and tubular atrophy is widely considered the natural course for all transplanted kidneys. In this issue, Gosset et al. describe discrete disease entities in individual patients and their contribution to interstitial fibrosis and tubular atrophy and its progression. This represents a major step forward in stratifying patients for targeted treatment trials (i.e., a step toward precision medicine in renal transplantation)...
September 2017: Kidney International
https://www.readbyqxmd.com/read/28738403/developing-consensus-based-priority-outcome-domains-for-trials-in-kidney-transplantation-a-multinational-delphi-survey-with-patients-caregivers-and-health-professionals
#12
MULTICENTER STUDY
Bénédicte Sautenet, Allison Tong, Karine E Manera, Jeremy R Chapman, Anthony N Warrens, David Rosenbloom, Germaine Wong, John Gill, Klemens Budde, Lionel Rostaing, Lorna Marson, Michelle A Josephson, Peter P Reese, Timothy L Pruett, Camilla S Hanson, Donal O'Donoghue, Helen Tam-Tham, Jean-Michel Halimi, Jenny I Shen, John Kanellis, John D Scandling, Kirsten Howard, Martin Howell, Nick Cross, Nicole Evangelidis, Philip Masson, Rainer Oberbauer, Samuel Fung, Shilpa Jesudason, Simon Knight, Sreedhar Mandayam, Stephen P McDonald, Steve Chadban, Tasleem Rajan, Jonathan C Craig
BACKGROUND: Inconsistencies in outcome reporting and frequent omission of patient-centered outcomes can diminish the value of trials in treatment decision making. We identified critically important outcome domains in kidney transplantation based on the shared priorities of patients/caregivers and health professionals. METHODS: In a 3-round Delphi survey, patients/caregivers and health professionals rated the importance of outcome domains for trials in kidney transplantation on a 9-point Likert scale and provided comments...
August 2017: Transplantation
https://www.readbyqxmd.com/read/28705060/usefulness-of-multiparametric-ultrasound-for-evaluating-structural-abnormality-of-transplanted-kidney-can-we-predict-histologic-abnormality-on-renal-biopsy-in-advance
#13
Moon Gyu Yoo, Dae Chul Jung, Young Taik Oh, Sung Yoon Park, Kyunghwa Han
OBJECTIVE: The purpose of this study was to investigate the associations between microscopic abnormalities of transplanted kidneys and sonography-based imaging biomarkers, including elasticity, venous impedance index, arterial resistive index, and size. MATERIALS AND METHODS: Between 2011 and 2015, 159 recipients underwent sonography and biopsy of a transplanted kidney at our institution; 104 adult patients were included in this study. The maximal longitudinal length on gray-scale images, arterial resistive index, and venous impedance index on Doppler images and shear wave velocity on acoustic radiation force impulse imaging or Young modulus on supersonic shear imaging were measured before biopsy...
September 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28698834/biomarkers-in-renal-transplantation-an-updated-review
#14
REVIEW
Maurizio Salvadori, Aris Tsalouchos
Genomics, proteomics and molecular biology lead to tremendous advances in all fields of medical sciences. Among these the finding of biomarkers as non invasive indicators of biologic processes represents a useful tool in the field of transplantation. In addition to define the principal characteristics of the biomarkers, this review will examine the biomarker usefulness in the different clinical phases following renal transplantation. Biomarkers of ischemia-reperfusion injury and of delayed graft function are extremely important for an early diagnosis of these complications and for optimizing the treatment...
June 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28688205/utilization-of-organs-from-donors-according-to-hepatitis-c-antibody-and-nucleic-acid-testing-status-time-for-change
#15
C E Kling, J D Perkins, C S Landis, A P Limaye, L Sibulesky
Previous studies have grouped all donors positive for hepatitis C virus (HCV) antibody (Ab). Only recently has donor HCV nucleic acid testing (NAT) become routine, and the impact of Ab and NAT status on organ utilization is unknown. Using the United Network for Organ Sharing database, we identified 9290 donors from 2015 to 2016 for whom both HCV Ab and NAT data were available and compared organ utilization by HCV status. Overall, 93.8% of donors were Ab negative and NAT negative (Ab-NAT-), 0.15% were Ab negative and NAT positive, 1...
June 8, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28684646/association-between-reperfusion-renal-allograft-biopsy-findings-and-transplant-outcomes
#16
Sumit Mohan, Eric Campenot, Mariana C Chiles, Dominick Santoriello, Eric Bland, R John Crew, Paul Rosenstiel, Geoffrey Dube, Ibrahim Batal, Jai Radhakrishnan, P Rodrigo Sandoval, James Guarrera, M Barry Stokes, Vivette D'Agati, David J Cohen, Lloyd E Ratner, Glen Markowitz
Biopsy findings at the time of procurement of deceased donor kidneys remain the most common reason cited for kidney discard. To determine the value of renal allograft histology in predicting outcomes, we evaluated the significance of histologic findings, read by experienced renal pathologists, in 975 postreperfusion biopsy specimens collected from 2005 to 2009 after living donor (n=427) or deceased donor (n=548) renal transplant. We evaluated specimens for the degree of glomerulosclerosis, interstitial fibrosis and tubular atrophy, and vascular disease; specimens with a score of 0 or 1 (scale, 0-3) for each parameter were considered optimal...
October 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28678346/coagulation-profile-in-patients-with-chronic-kidney-disease-before-and-after-kidney-transplantation-a-retrospective-cohort-study
#17
Jinbeom Cho, Kang Woong Jun, Mi Hyeong Kim, Jeong Kye Hwang, In Sung Moon, Ji Il Kim
BACKGROUND: Patients with chronic kidney disease (CKD) tend to experience both thrombotic and hemorrhagic complications; however, the pathophysiology remains unclear. This study aimed to identify the underlying mechanisms and characteristics of hemostatic problems in patients with CKD and to demonstrate the role of kidney transplantation (KT) in correcting these hemostatic abnormalities. METHODS: In this retrospective observational study, 557 KT recipients who did not receive perioperative plasmapheresis and who did not exhibit graft failure within 1 month after KT were included...
September 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28638611/does-size-matter-kidney-transplant-donor-size-determines-kidney-function-among-living-donors
#18
Meenakshi Narasimhamurthy, Lachlan M Smith, Jason T Machan, Steven E Reinert, Reginald Y Gohh, Lance D Dworkin, Basma Merhi, Nikunjkumar Patel, Michael D Beland, Susie L Hu
BACKGROUND: Kidney donor outcomes are gaining attention, particularly as donor eligibility criteria continue to expand. Kidney size, a useful predictor of recipient kidney function, also likely correlates with donor outcomes. Although donor evaluation includes donor kidney size measurements, the association between kidney size and outcomes are poorly defined. METHODS: We examined the relationship between kidney size (body surface area-adjusted total volume, cortical volume and length) and renal outcomes (post-operative recovery and longer-term kidney function) among 85 kidney donors using general linear models and time-to-chronic kidney disease data...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28665524/rapid-screening-for-malignancy-in-organ-donors-15-year-experience-with-the-verona-alert-protocol-and-review-of-the-literature
#19
Albino Eccher, Luca Cima, Andrea Ciangherotti, Umberto Montin, Paola Violi, Amedeo Carraro, Umberto Tedeschi, Francesco Nacchia, Francesca Fior, Momo Rostand, Luigino Boschiero, Antonietta D'Errico, Aldo Scarpa, Marilena Casartelli-Liviero, Giuseppe Ferrari, Viviana Rodini, Elisabetta Tomaselli, Laura Zampicinini, Francesca Vanzo, Chiara Bovo, Giuseppe Feltrin, Desley Neil, Matteo Brunelli
BACKGROUND: Prevention of transmission of malignancy from donors to recipients is an aim of donor assessment. We report the most stringent interpretation of the Italian National Guidelines. METHODS: A two-step ALERT process was used: ALERT1 consisting of clinical, radiological, and laboratory tests; ALERT2, consisting of intraoperative assessment in suspicious lesions. RESULTS: Four hundred of 506 potential deceased donors entered the ALERT system...
September 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28564126/prehabilitation-for-kidney-transplant-candidates-is-it-time
#20
REVIEW
Xingxing S Cheng, Jonathan N Myers, Glenn M Chertow, Ralph Rabkin, Khin N Chan, Yu Chen, Jane C Tan
Many patients become frail with diminished cardiorespiratory fitness while awaiting kidney transplantation. Frailty and poor fitness powerfully predict mortality, transplant graft survival, and healthcare utilization after kidney transplantation. Efforts to intervene with post-transplant physical therapy have been met with limited success, in large part due to high study dropout. We reviewed the literature on chronic kidney disease and exercise to propose a clinical framework for physical therapy interventions to improve fitness, scheduled for before the transplant...
August 2017: Clinical Transplantation
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