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Transplantation Direct

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https://www.readbyqxmd.com/read/28620650/graft-function-and-intermediate-term-outcomes-of-kidney-transplants-improved-in-the-last-decade-analysis-of-the-united-states-kidney-transplant-database
#1
Douglas Scott Keith, Gayle Vranic, Angie Nishio-Lucar
BACKGROUND: Previous analyses of the United States transplant database regarding long-term outcomes in kidney transplantation have shown minimal improvement in the rate of long-term graft loss. This study sought to analyze intermediate-term outcomes and graft function at 6 months in kidney transplantation in adult living and deceased donor recipients in the last decade. METHODS: Survival analysis was performed based on the year of transplant between 6 months and 3 years' posttransplant...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620649/hepatoblastoma-transplant-versus-resection-experience-in-a-latin-american-transplant-center
#2
Luis A Caicedo, Angie Sabogal, Oscar Serrano, Jorge I Villegas, Verónica Botero, María T Agudelo, Viviana Lotero, Diana Dávalos, Eliana Manzi, Ana M Aristizabal, Catalina Gomez, Gabriel J Echeverri
BACKGROUND: Hepatoblastoma is the most common primary malignant liver tumor in children and is usually diagnosed during the first 3 years of life. Overall survival has increased 50% due to chemotherapeutic schemes, expertise surgery centers, and liver transplantation. METHODS: A retrospective collection of data was performed from pediatric patients with diagnosis of hepatoblastoma. Variables included demographic, diagnostic tools and histological classification; chemotherapy and surgical treatment; and outcomes and patient survival...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620648/effect-of-fc-%C3%AE-receptor-polymorphism-on-rituximab-mediated-b-cell-depletion-in-abo-incompatible-adult-living-donor-liver-transplantation
#3
Hiroshi Sakai, Yuka Tanaka, Hirofumi Tazawa, Seiichi Shimizu, Sapana Verma, Masahiro Ohira, Hiroyuki Tahara, Kentaro Ide, Kohei Ishiyama, Tsuyoshi Kobayashi, Takashi Onoe, Hideki Ohdan
BACKGROUND: The affinity of IgG Fc receptor (FcγR) for rituximab, an anti-CD20 IgG1, differs based on single-nucleotide polymorphisms (SNPs) in FcγRs. This study aimed to explore the effect of such SNPs on clinical response to rituximab and outcomes in patients of ABO-incompatible (ABOi) living donor liver transplantation (LDLT). METHODS: SNPs of FCGR2A[131H/R] and FCGR3A[158F/V], alleles encoding FcγR, were identified in 20 patients desensitized with rituximab before ABOi LDLT...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620647/the-effect-and-safety-of-prostaglandin-administration-in-pediatric-liver-transplantation
#4
Céline Lironi, Valérie A McLin, Barbara E Wildhaber
BACKGROUND: Prostaglandins are often administered after liver transplantation (LT) to diminish ischemia-reperfusion injury (IRI), to favor liver recovery and to prevent vascular thrombosis. Possible beneficial effects in adult liver recipients are controversial, but the single existing pediatric small case series shows no significant impact of prostaglandin administration after LT. The purpose of this study was to analyze the effect of the prostaglandin dinoprostone in pediatric liver recipients...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620646/kidney-transplant-recipients-perspectives-on-cardiovascular-disease-and-related-risk-factors-after-transplantation-a-qualitative-study
#5
Fabián Ballesteros, Julie Allard, Céline Durand, Héloïse Cardinal, Lyne Lalonde, Marie-Chantal Fortin
BACKGROUND: Cardiovascular disease (CVD) is a major cause of mortality among kidney transplant recipients (KTRs). These patients have a high prevalence of risk factors, such as hypertension, diabetes, and dyslipidemia. Despite regular medical care, few of them reach the recommended therapeutic targets. The objective of this study is to describe KTRs' perspectives on CVD and related risk factors, as well as their priorities for posttransplant care. METHODS: Twenty-six KTRs participated in a semistructured interview about their personal experience and offered their perspectives on CVD risk factors posttransplant...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620645/alloimmunity-but-not-viral-immunity-promotes-allograft-loss-in-a-mouse-model-of-polyomavirus-associated-allograft-injury
#6
Steven C Kim, Jun Wang, Ying Dong, David V Mathews, Joshua A Albrecht, Cynthia P Breeden, Alton B Farris, Aron E Lukacher, Mandy L Ford, Kenneth A Newell, Andrew B Adams
BACKGROUND: The interplay between viral infection and alloimmunity is known to influence the fate of transplanted organs. Clarifying how local virus-associated inflammation/injury and antiviral immunity can alter host alloimmune responses in transplantation remains a critical question. METHODS: We used a mouse model of polyomavirus (PyV) infection and kidney transplantation to investigate the roles of direct viral pathology, the antiviral immune response, and alloimmunity in the pathogenesis of PyV-associated allograft injury...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620644/topical-application-of-mesenchymal-stromal-cells-ameliorated-liver-parenchyma-damage-after-ischemia-reperfusion-injury-in-an-animal-model
#7
Ping Kuen Lam, Charing Ching Ning Chong, Anthony Wing Ip Lo, Anthony Wing Hung Chan, Cindy See Wai Tong, Don Wai Ching Chin, Kenneth Hoi Kin Wong, Richard Kwong Wai Choy, Andrew Kai-Yip Fung, Yi Xiang Wang, Ka Fai To, Paul Bo San Lai
BACKGROUND: Ischemia-reperfusion injury (IRI) is commonly encountered after liver surgery. This study evaluated the hepatoprotective effects of topically applied adipose-derived mesenchymal stromal cells (ADMSCs) on hepatic IRI in a rat model. METHODS: ADMSCs from transgenic green fluorescent protein Sprague-Dawley rats were topically applied to the liver surface of Sprague-Dawley rats after hepatic IRI and fixed in position by fibrin glue (group A, n = 24). An equivalent amount of ADMSCs were administered through the portal (group B, n = 24) or tail vein (group C, n = 24)...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620643/activin-biology-after-lung-transplantation
#8
Glen P Westall, Gregory I Snell, Monika Loskot, Bronwyn Levvey, Robyn O'Hehir, Mark P Hedger, David M de Kretser
BACKGROUND: Activins A and B, members of the TGF-β superfamily, are produced as part of the physiological response to tissue damage and the resulting proinflammatory response. Given that lung allograft reperfusion results in an inflammatory response, it is likely that the activins and their binding protein follistatin will form part of the regulatory response. There is a need to document the response of these proteins to allograft reperfusion to determine if there is a role for the use of follistatin to control the biological actions of the activins because some of these are potentially damaging...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28620642/early-intervention-with-live-donor-liver-transplantation-reduces-resource-utilization-in-nash-the-toronto-experience
#9
Andrew S Barbas, Nicolas Goldaracena, Martin J Dib, David P Al-Adra, Aloysious D Aravinthan, Leslie B Lilly, Eberhard L Renner, Nazia Selzner, Mamatha Bhat, Mark S Cattral, Anand Ghanekar, Ian D McGilvray, Gonzalo Sapisochin, Markus Selzner, Paul D Greig, David R Grant
BACKGROUND: In parallel with the obesity epidemic, liver transplantation for nonalcoholic steatohepatitis (NASH) is increasing dramatically in North America. Although survival outcomes are similar to other etiologies, liver transplantation in the NASH population has been associated with significantly increased resource utilization. We sought to compare outcomes between live donor liver transplantation (LDLT) and deceased donor liver transplantation (DDLT) at a high volume North American transplant center, with a particular focus on resource utilization...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28573192/modeling-the-effect-of-the-aryl-hydrocarbon-receptor-on-transplant-immunity
#10
Walker Julliard, John H Fechner, Leah Owens, Chelsea A O'Driscoll, Ling Zhou, Jeremy A Sullivan, Lynn Frydrych, Amanda Mueller, Joshua D Mezrich
BACKGROUND: Exposure to pollutants through inhalation is a risk factor for lung diseases including cancer, asthma, and lung transplant rejection, but knowledge of the effects of inhaled pollutants on pathologies outside of the lung is limited. METHODS: Using the minor-mismatched model of male C57BL/6J (B6) to female B6 skin grafts, recipient mice were treated with an inhaled urban dust particle sample every 3 days before and after grafting. Graft survival time was determined, and analysis of the resulting immune response was performed at time before rejection...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28573191/invasive-candida-infections-in-liver-transplant-recipients-clinical-features-and-risk-factors-for-mortality
#11
Matteo Bassetti, Maddalena Peghin, Alessia Carnelutti, Elda Righi, Maria Merelli, Filippo Ansaldi, Cecilia Trucchi, Cristiano Alicino, Assunta Sartor, Joost Wauters, Katrien Lagrou, Carlo Tascini, Francesco Menichetti, Alessio Mesini, Francesco G De Rosa, Leonel Lagunes, Jordi Rello, Arnaldo L Colombo, Antonio Vena, Patricia Munoz, Mario Tumbarello, Gabriele Sganga, Ignacio Martin-Loeches, Claudio Viscoli
BACKGROUND: Invasive fungal infections remain a leading cause of morbidity and mortality among liver transplant recipients (LTRs). In this patient population, invasive Candida infections (ICIs) account for the large majority of cases. To date, only small studies and case-series analysing clinical presentation and risk factors for mortality in LTRs with ICIs are available. METHODS: We performed a retrospective multicenter multinational study in 10 centers in Europe and Brazil...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28573190/randomized-trial-of-machine-perfusion-versus-cold-storage-in-recipients-of-deceased-donor-kidney-transplants-with-high-incidence-of-delayed-graft-function
#12
Helio Tedesco-Silva, Juliano Chrystian Mello Offerni, Vanessa Ayres Carneiro, Mayara Ivani de Paula, Elias David Neto, Francine Brambate Carvalhinho Lemos, Lúcio Roberto Requião Moura, Alvaro Pacheco E Silva Filho, Mirian de Fátima de Morais Cunha, Erica Francisco da Silva, Luiz Antonio Miorin, Daniela Priscila Demetrio, Paulo Sérgio Luconi, Waldere Tania da Silva Luconi, Savina Adriana Bobbio, Liz Milstein Kuschnaroff, Irene Lourdes Noronha, Sibele Lessa Braga, Renata Cristina Barsante, João Cezar Mendes Moreira, Ida Maria Maximina Fernandes-Charpiot, Mario Abbud-Filho, Luis Gustavo Modelli de Andrade, Paula Dalsoglio Garcia, Luciana Tanajura Santamaria Saber, Alan Fernandes Laurindo, Pedro Renato Chocair, Américo Lourenço Cuvello Neto, Juliana Aparecida Zanocco, Antonio Jose Duboc de Almeida Soares Filho, Wilson Ferreira Aguiar, Jose Medina Pestana
BACKGROUND: This study compared the use of static cold storage versus continuous hypothermic machine perfusion in a cohort of kidney transplant recipients at high risk for delayed graft function (DGF). METHODS: In this national, multicenter, and controlled trial, 80 pairs of kidneys recovered from brain-dead deceased donors were randomized to cold storage or machine perfusion, transplanted, and followed up for 12 months. The primary endpoint was the incidence of DGF...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28573189/outcome-in-pancreas-grafts-after-bk-virus-viremia-in-simultaneous-pancreas-kidney-transplants-a-single-center-case-report
#13
Claudia Bösmüller, Franka Messner, Christian Margreiter, Michael Rudnicki, Robert Öllinger, Dietmar Öfner, Stefan Schneeberger, Manuel Maglione
No abstract text is available yet for this article.
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28573188/a-hyper-crosslinked-carbohydrate-polymer-scaffold-facilitates-lineage-commitment-and-maintains-a-reserve-pool-of-proliferating-cardiovascular-progenitors
#14
Jonathan M Baio, Ryan C Walden, Tania I Fuentes, Charles C Lee, Nahidh W Hasaniya, Leonard L Bailey, Mary K Kearns-Jonker
BACKGROUND: Cardiovascular progenitor cells (CPCs) have been cultured on various scaffolds to resolve the challenge of cell retention after transplantation and to improve functional outcome after cell-based cardiac therapy. Previous studies have reported successful culture of fully differentiated cardiomyocytes on scaffolds of various types, and ongoing efforts are focused on optimizing the mix of cardiomyocytes and endothelial cells as well as on the identification of a source of progenitors capable of reversing cardiovascular damage...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28573187/the-risk-of-transplant-failure-with-hla-mismatch-in-first-adult-kidney-allografts-2-living-donors-summary-guide
#15
Robert C Williams, Gerhard Opelz, E Jennifer Weil, Chelsea J McGarvey, Harini A Chakkera
BACKGROUND: Allografts from living donors survive longer than those from deceased donors but the role of HLA mismatching in living kidney donation is still in question. We examined the effect of HLA compatibility on kidney allograft survival from living donors by studying all first adult kidney transplants performed in the United States over 25 years. METHODS: Using the United Network for Organ Sharing data, we identified first kidney transplants between October 1, 1987, and December 31, 2013...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28573186/lifelong-prophylaxis-with-trimethoprim-sulfamethoxazole-for-prevention-of-outbreak-of-pneumocystis-jirovecii-pneumonia-in-kidney-transplant-recipients
#16
Norihiko Goto, Ai Takahashi-Nakazato, Kenta Futamura, Manabu Okada, Takayuki Yamamoto, Makoto Tsujita, Takahisa Hiramitsu, Shunji Narumi, Kiyoto Tsuchiya, Hiroyuki Gatanaga, Yoshihiko Watarai, Shinichi Oka
BACKGROUND: Outbreaks of Pneumocystis jirovecii pneumonia (PCP) in kidney transplant recipients are frequently reported worldwide. However, the general guidelines propose only short-term prophylaxis with trimethoprim-sulfamethoxazole after kidney transplantation. We experienced 3 PCP outbreaks in the last 10 years despite providing the recommended prophylaxis. The purpose of this study was to find a prophylaxis regimen that could successfully prevent future PCP outbreaks in immunosuppressed kidney transplant recipients...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28405606/changes-in-markers-of-mineral-metabolism-after-living-kidney-donation
#17
Sven-Jean Tan, Tim D Hewitson, Peter D Hughes, Stephen G Holt, Nigel D Toussaint
BACKGROUND: Living kidney donors (LKDs) experience reduction in kidney function, however serum phosphate (sPi) levels are lower compared to patients with chronic kidney disease matched for reduced kidney function. Mineral metabolism adaptations that occur in LKDs have not been adequately investigated. To evaluate the effect of nephrectomy on markers of mineral metabolism in LKDs compared to healthy volunteers (HV) over 12 months. METHODS: Mineral parameters were evaluated in twenty-one adult LKDs and twenty HVs...
April 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28405605/three-dimensional-self-navigated-t2-mapping-for-the-detection-of-acute-cellular-rejection-after-orthotopic-heart-transplantation
#18
Ruud B van Heeswijk, Davide Piccini, Piergiorgio Tozzi, Samuel Rotman, Philippe Meyer, Juerg Schwitter, Matthias Stuber, Roger Hullin
BACKGROUND: T2 mapping is a magnetic resonance imaging technique measuring T2 relaxation time, which increases with the myocardial tissue water content. Myocardial edema is a component of acute cellular rejection (ACR) after heart transplantation. This pilot study compares in heart transplantation recipients a novel high resolution 3-dimensional (3D) T2-mapping technique with standard 2-dimensional (2D) T2-mapping for ACR detection. METHODS: Consecutive asymptomatic patients (n = 26) underwent both 3D T2 mapping and reference 2D T2 mapping magnetic resonance imaging on the day of endomyocardial biopsy (EMB)...
April 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28405604/the-authors-reply
#19
Sebastian Pratschke, Martin K Angele
No abstract text is available yet for this article.
April 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28405603/mtor-inhibition-by-everolimus-does-not-impair-closure-of-punch-biopsy-wounds-in-renal-transplant-patients
#20
Shelley B Dutt, Josephine Gonzales, Megan Boyett, Anne Costanzo, Peggy P Han, Steven Steinberg, Dianne B McKay, Julie M Jameson
BACKGROUND: Mammalian target of rapamycin (mTOR) inhibitors are approved to prevent allograft rejection and control malignancy. Unfortunately, they are associated with adverse effects, such as wound healing complications that detract from more extensive use. There is a lack of prospective wound healing studies to monitor patients treated with mTOR inhibitors, such as everolimus or sirolimus, especially in nondiabetics. METHODS: Patients receiving everolimus with standard immunosuppressant therapy or standard immunosuppressant therapy without everolimus were administered 3-mm skin biopsy punch wounds in the left scapular region...
April 2017: Transplantation Direct
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