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ABO incompatibility

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https://www.readbyqxmd.com/read/28642591/donor-and-recipient-age-gender-and-abo-incompatibility-regardless-of-donor-source-validated-criteria-for-donor-selection-for-hematopoietic-transplants
#1
Y Wang, D-P Wu, Q-F Liu, L-P Xu, K-Y Liu, X-H Zhang, Y Xu, F Huang, X-J Huang
Prior data indicate similar outcomes after transplants from HLA-haplotype-matched relatives, HLA-identical siblings and HLA-matched unrelated donors. We used our prospective dataset to answer a clinically important question: who is the best donor for a person with acute leukemia transplanted in 1st complete remission. Patients were randomly divided into training (n=611) and validation (n=588) sets. 1199 consecutive subjects received a transplant from an HLA-haplotype-matched relative using granulocyte colony-stimulating factor (G-CSF) and anti-thymocyte globulin (ATG) (n=685) or an HLA-identical sibling (n=514); 3-year leukaemia-free survivals (LFSs) were 75 and 74% (P=0...
June 23, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28635356/simultaneous-abo-incompatible-living-donor-liver-transplantation-and-splenectomy-without-plasma-exchange-in-china-two-case-reports
#2
Guoyong Chen, Janjun Sun, Sidong Wei, Yongfeng Chen, Gaofeng Tang, Zhantao Xie, Huaen Xu, Janbin Chen, Huibo Zhao, Zhenhua Yuan, Weiwei Wang, Guangbo Liu, Bing Wang, Biao Niu
ABO-incompatible (ABO-i) living-donor liver transplantation (LDLT) is performed if an ABO-compatible graft cannot be obtained. However, a perfect desensitization protocol has not been established worldwide, especially for simultaneous ABO-i LDLT and splenectomy. We herein report two cases of ABO-i LDLT. To the best of our knowledge, this is the first case report of ABO-i LDLT in an adult patient in China. Splenectomy and T-cell-targeted immunosuppression (basiliximab) was used to overcome the blood group barrier in these recipients...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28634772/the-effect-of-desensitization-therapy-in-kidney-transplantation
#3
Yong Chul Kim, Mi-Yeon Yu, Jung Pyo Lee, Hajeong Lee, Sang-Il Min, Jongwon Ha, Yon Su Kim
BACKGROUND: Desensitization therapy may enable the patient to get allograft in sensitized recipient or solve the organ shortage in ABO-incompatible relationship in kidney transplantation (KT). However, the graft outcome and morbidity remains unclear. METHODS: We retrospectively analyzed 845 KT patients from January 2010 to February 2016 at Seoul National University Hospital. The patients were divided into three groups as follows: HLA-incompatible (HLAi) group, ABO-incompatible (ABOi) group, and control group...
June 20, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28629734/immunohistochemical-and-genetic-exploration-of-incompatible-a-blood-group-antigen-expression-in-invasive-micropapillary-breast-carcinoma-a-case-report
#4
S Zouine, Z Orfi, K Kojok, S Benayad, Y Zaid, F Marnissi, N Habti
INTRODUCTION: Invasive Micropapillary Carcinoma (IMPC) of the breast is a relatively rare subtype of invasive ductal carcinoma and represents the most inherently aggressive form. Expression of incompatible blood group A antigen in cancer of type O patients has been reported in several types of cancer, however, the biosynthetic mechanism and the genetic basis remain unclear until today. The aim of the present case report study was to evaluate the expression of incompatible blood group A antigen and to identify the genetic basis of this expression in IMPC of the breast...
June 16, 2017: Current Research in Translational Medicine
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
#5
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/28585408/increased-risk-of-infection-associated-death-with-incompatible-kidney-transplantations
#6
Christian Morath, Martin Zeier, Caner Süsal
In times of organ shortage, transplantation over the blood group A/B and HLA antibody barriers helps increasing the living donor pool in kidney transplantation. Waiting times are reduced while patient survival may be improved. By desensitization, both blood group A/B as well as HLA antibodies are eliminated from the patient's circulation using plasmapheresis, double filtration plasmapheresis or selective or unselective immunoadsorption. In addition, antibody production and posttransplant antibody rebound are prevented by powerful immunosuppression and induction therapy with or without B-cell eliminating anti-CD20 antibody rituximab...
June 6, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28583569/beneficial-effects-of-high-dose-mizoribine-on-abo-incompatible-living-related-kidney-transplantation-two-year-results-by-a-japanese-multicenter-study
#7
S Harada, T Nakamura, H Ushigome, N Akutsu, K Akioka, T Nakatani, N Yoshimura
BACKGROUND: Mizoribine (MZ) has been developed as an immunosuppressive agent in Japan, but it has a less-potent immunosuppressive effect up to 3 mg/kg/d. In the previous study, a Japanese multicenter study, we reported that high-dose MZ, at 6 mg/kg/d, with a calcineurin inhibitor was effective and safe in reducing the frequency of cytomegalovirus (CMV)-related events in ABO-incompatible (ABO-i) living-related kidney transplantation (LKT). In the present study, therefore, we investigated the effects of high-dose MZ with a CNI in ABO-i LKT recipients in a Japanese multicenter study...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28583566/influences-of-pre-formed-donor-specific-anti-human-leukocyte-antigen-antibodies-in-living-donor-renal-transplantation-results-with-graft-immunocomplex-capture-fluorescence-analysis
#8
T Nakamura, H Ushigome, K Watabe, Y Imanishi, K Masuda, T Matsuyama, S Harada, K Koshino, T Iida, S Nobori, N Yoshimura
BACKGROUND: Advances in immunosuppressants enable organ transplantation for sensitized patients. However, influences of pre-formed donor-specific anti-human leukocyte antigen (HLA) antibodies (DSA) have not been fully understood in renal transplantation (RT). On the other hand, immunocomplex capture fluorescence analysis (ICFA) is a reliable method to detect donor-specific anti-HLA antibodies and HLA antigen complexes. Graft ICFA can detect DSA in an allograft (g-DSA). METHODS: To elucidate the consequences of pre-formed DSA, 198 patients who underwent living-donor RT were enrolled for this study (observation period: 57...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28572563/effect-of-recipient-age-at-liver-transplantation-on-prevalence-of-post-transplant-donor-specific-hla-antibody
#9
Kazuaki Tokodai, Shigehito Miyagi, Chikashi Nakanishi, Yasuyuki Hara, Wataru Nakanishi, Michiaki Unno, Takashi Kamei
BACKGROUND Post-transplant donor-specific HLA antibodies (DSA) may have a detrimental effect on long-term outcomes of organ transplantation. The aim of this study was to specifically evaluate the effect of recipient age on the prevalence of DSA over a long-term follow-up after living donor liver transplantation (LDLT). MATERIAL AND METHODS A retrospective analysis of DSA evaluations was performed in 50 pediatric patients with HLA data available. Patients were divided into 2 groups based on their age at the time of LDLT: younger (Y) group, age <3 years; older (O) group, age ≥3 years...
June 2, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28554587/a-novel-method-for-abo-incompatible-heart-transplantation
#10
Alex Robertson, Richard Issitt, Richard Crook, Kenth Gustafsson, Ayad Eddaoudi, Victor Tsang, Michael Burch
BACKGROUND: Since 1996, ABO-incompatible heart transplantation has been undertaken by performing whole-body plasma exchange to remove isohemagglutinins using the cardiopulmonary bypass (CPB) circuit at the time of transplantation. This requires large volumes of donated blood and blood products, causes hemodynamic instability during the exchange transfusion, and limits practical use to small children. We sought to determine the efficacy of anti-A/B immunoadsorption within the CPB circuit on removal of isohemagglutinins in an ex vivo setting before its use clinically...
May 5, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28553052/reusing-immunoadsorption-column-making-the-abo-incompatible-renal-transplant-affordable
#11
P K Jha, A K Tiwari, S K Sethi, V Kher
No abstract text is available yet for this article.
May 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28553039/baseline-anti-blood-group-antibody-titers-and-their-response-to-desensitization-and-kidney-transplantation
#12
B V Shah, P Rajput, Z A Virani, S Warghade
In recent years, immunological barriers historically considered as absolute contraindications to transplantation are being reevaluated. One such barrier is the ABO blood group incompatibility. With better understanding of immunological mechanisms and effective various regimens for controlling it, ABO-incompatible (ABO-I) kidney transplantation is now being performed with increasing frequency. For good outcome, most important is to achieve and maintain low anti-blood group antibody titers (ABGATs). Twenty-two patients with ABO-I donors have been studied...
May 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28551928/-abo-incompatible-kidney-transplantation
#13
Sigal Eisner, Jacob Orlin, Eviatar Nesher, Vadym Mazhybovsky, Michael Gurevich, Rachel Michowiz, Ruth Rahamimov, Eytan Mor
INTRODUCTION: With the introduction of new therapies, the ABO barrier for kidney transplantation has been breached. In the recent decade the reported results with ABO incompatible (ABOi) kidney transplantation are similar to ABO compatible transplantation. We report on our initial experience with ABOi kidney transplantation performed at the Rabin Medical Center. METHODS: During the period 3/2010 to 4/2015, 22 patients with PRA 0% underwent ABOi living-donor kidney transplantation...
April 2017: Harefuah
https://www.readbyqxmd.com/read/28549011/use-of-elderly-donors-in-liver-transplantation-a-paired-match-analysis-at-a-single-center
#14
Davide Ghinolfi, Quirino Lai, Daniele Pezzati, Paolo De Simone, Erion Rreka, Franco Filipponi
OBJECTIVE: To evaluate the use of elderly donors in liver transplantation (LT) and identify risk factors associated with a worse outcome. SUMMARY BACKGROUND DATA: Use of livers from very old donors could expand the donor pool but is not universally implemented. METHODS: This is a retrospective, single-center medical record review. From January 2001 to December 2014, 1354 LTs were performed. After exclusion of donors <18 years, ABO-incompatible LT, re-LT and UNOS 1 status patients, LT recipients were stratified into 2 groups based on donor age: 18-69 (n=692) vs...
May 25, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28533197/incomplete-antibodies-may-reduce-abo-cross-match-incompatibility-a-pilot-study
#15
Mehmet Özen, Soner Yılmaz, Tülin Özkan, Yeşim Özer, Aliye Aysel Pekel, Asuman Sunguroğlu, Günhan Gürman, Önder Arslan
OBJECTIVE: Any erythrocyte transfusion among humans having type A or B blood groups is impossible due to antibodies causing fatal transfusion complications. A cross-match test is performed to prevent immune transfusion complications before transfusion. Our hypothesis is that the Fragment antibody (Fab) part of antibody (incomplete antibody) may be used to prevent an immune stimulus related to complete antibody. Therefore, we designed a pilot study to evaluate the effectiveness of these incomplete antibodies with using cross-match tests...
May 23, 2017: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/28517242/race-ethnicity-is-associated-with-abo-non-identical-liver-transplantation-in-the-united-states
#16
Jin Ge, John P Roberts, Jennifer C Lai
United Network for Organ Sharing (UNOS) policies allows for ABO non-identical liver transplantation (LT) in candidates with Model for End-Stage Liver Disease (MELD) scores greater than 30. Previous studies showed ABO non-identical LT resulted in an 18% and 55% net gain in livers for B and AB candidates. These results suggested that the current liver ABO allocation policies may need refinement. There are, however, strong associations between ABO blood groups and race/ethnicity. We hypothesized that race/ethnicity is associated with ABO non-identical LT and that this is primarily influenced by recipient ABO status...
May 18, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28507920/passenger-lymphocyte-syndrome-pls-a-single-center-retrospective-analysis-of-minor-abo-incompatible-liver-transplants
#17
Sévérine de Bruijn, Ester Philipse, Marie Madeleine Couttenye, Bart Bracke, Dirk Ysebaert, Peter Michielsen, Sven Francque, Thomas Vanwolleghem, Anke Verlinden
Background and Aims: Due to the shortage of donor livers, minor ABO-incompatible liver transplantations are commonly performed. Together with the allograft, immunocompetent B-lymphocytes, called passenger lymphocytes, are transplanted. In case of minor ABO-incompatibility, these passenger lymphocytes produce antibodies directed towards the recipient's red blood cells, which causes immune-mediated hemolysis, also known as the passenger lymphocyte syndrome (PLS). Although this is a self-limiting disorder, serious complications can occur, including graft failure...
March 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28507916/past-present-and-future-of-kidney-paired-donation-transplantation-in-india
#18
REVIEW
Vivek B Kute, Himanshu V Patel, Pankaj R Shah, Pranjal R Modi, Veena R Shah, Sayyed J Rizvi, Bipin C Pal, Manisha P Modi, Priya S Shah, Umesh T Varyani, Pavan S Wakhare, Saiprasad G Shinde, Vijay A Ghodela, Minaxi H Patel, Varsha B Trivedi, Hargovind L Trivedi
One third of healthy willing living kidney donors are rejected due to ABO blood group incompatibility and donor specific antibody. This increases pre-transplant dialysis duration leading to increased morbidity and mortality on the kidney transplantation waiting list. Over the last decade kidney paired donation is most rapidly increased source of living kidney donors. In a kidney transplantation program dominated by living donor kidney transplantation, kidney paired donation is a legal and valid alternative strategy to increase living donor kidney transplantation...
April 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28504342/sudden-death-in-a-pediatric-heart-transplant-recipient-with-peripheral-eosinophilia-and-eosinophilic-myocardial-infiltrates
#19
William McEachern, Justin Godown, Debra A Dodd, Anne I Dipchand, Jennifer L Conway, Gregory J Wilson, Robert D Hoffman
Eosinophilia has been rarely reported in pediatric heart transplant recipients and has been suggested to play a role in graft rejection. We report a case of a young female patient with peripheral blood eosinophilia who died suddenly 2 years following ABO-incompatible heart transplantation. She was found at autopsy to have myocardial infiltration of not only T-lymphocytes and macrophages expected in acute cellular rejection but also of eosinophils, B-lymphocytes, and plasma cells indicating myocarditis.
May 14, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28493630/clinical-outcomes-of-abo-and-hla-incompatible-kidney-transplantation-a-nationwide-cohort-study
#20
Eun Jeong Ko, Ji Hyun Yu, Chul Woo Yang, Byung Ha Chung
This was a nationwide cohort study to investigate the impact of anti-A/B and donor-specific anti-HLA (HLA-DSA) antibodies on the clinical outcomes in kidney transplant recipients (KTRs). We classified a total of 1,964 KTRs into four groups: transplants from ABO-incompatible donors (ABOi, n=248); transplants in recipients with HLA-DSA (HLAi, n=144); transplants from combined ABOi and HLAi donors (ABOi+HLAi, n=31); and a control group for whom neither ABOi nor HLAi was applicable (CONT, n=1541). We compared the incidence of biopsy proven acute rejection (BPAR), allograft and patient survival rates...
May 11, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
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