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"Small bowel transplant"

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https://www.readbyqxmd.com/read/27909438/donor-specific-regulatory-t-cells-acquired-from-tolerant-mice-bearing-cardiac-allograft-promote-mixed-chimerism-and-prolong-intestinal-allograft-survival
#1
Xiao-Fei Shen, Jin-Peng Jiang, Jian-Jun Yang, Wei-Zhong Wang, Wen-Xian Guan, Jun-Feng Du
The induction of donor-specific transplant tolerance has always been a central problem for small bowel transplantation (SBT), which is thought to be the best therapy for end-stage bowel failure. With the development of new tolerance-inducing strategies, mixed chimerism induced by co-stimulation blockade has become most potent for tolerance of allografts, such as skin, kidney, and heart. However, a lack of clinically available co-stimulation blockers has hindered efficient application in humans. Furthermore, unlike those for other types of solid organ transplantation, strategies to induce robust mixed chimerism for intestinal allografts have not been fully developed...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27889929/twenty-eight-years-of-intestinal-transplantation-in-paris-experience-of-the-oldest-european-centre
#2
F Lacaille, S Irtan, L Dupic, C Talbotec, F Lesage, V Colomb, N Salvi, F Moulin, F Sauvat, Y Aigrain, Y Revillon, O Goulet, C Chardot
AIM: Our aim is to describe our achievements in pediatric intestinal transplantation (ITx) and define areas for improvement. METHODS: After a period (1987-90) of 9 isolated small bowel transplants (SBTx) where only one patient survived with her graft, 110 ITx were performed on 101 children from 1994 to 2014: 60 SBTx, 45 liver-small bowel, 4 multivisceral (3 with kidneys), 1 modified multivisceral. Indications were short bowel syndrome (36), motility disorders (30), congenital enteropathies (34) and others (1)...
November 27, 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/27867410/closed-gastroschisis-vanishing-midgut-and-extreme-short-bowel-syndrome-case-report-and-review-of-the-literature
#3
F A Dennison
Gastroschisis alone has excellent survival rates. Occasionally reported is closed gastroschisis, leading to vanishing small bowel and extreme short bowel syndrome. It is believed that the abdominal wall defect can contract or close in utero, which leads to strangulation of the eviscerated bowel and the rare "vanishing gut syndrome." This has a very poor prognosis with mortality as high as 70%. An 18-year-old primigravid patient's 13 week scan diagnosed a large gastroschisis affecting the fetus. After counselling, she decided to continue with the pregnancy...
August 2016: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/27866474/heme-oxygenase-1-transduced-bone-marrow-mesenchymal-stem-cells-in-reducing-acute-rejection-and-improving-small-bowel-transplantation-outcomes-in-rats
#4
Yang Yang, Hong Li Song, Wen Zhang, Ben Juan Wu, Nan Nan Fu, Chong Dong, Zhong Yang Shen
BACKGROUND: We determined whether bone marrow mesenchymal stem cells (BMMSCs) transduced with heme oxygenase-1 (HO-1), a cytoprotective and immune-protective factor, could improve outcomes for small bowel transplantation (SBTx) in rats. METHODS: We performed heterotopic SBTx from Brown Norway rats to Lewis rats, before infusing Ad/HO-1-transduced BMMSCs (Ad/HO-1/BMMSCs) through the superficial dorsal veins of the penis. Respective infusions with Ad/BMMSCs, BMMSCs, and normal saline served as controls...
November 20, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27828601/remote-ischemic-preconditioning-and-tacrolimus-in-the-fetal-small-bowel-transplant-in-mice
#5
Ricardo José Morello, Marcia Kiyomi Koike, Marcos de Souza Abrahão, Karen Ruggeri Saad, Paulo Fernandes Saad, Edna Frasson de Souza Montero
PURPOSE: To evaluate the effect of remote ischemic preconditioning (IPC-R) in the fetal small bowel transplantation model. METHODS: Two groups were constituted: The Isogenic transplant (ISO, C57BL/6 mice, n=24) and the allogenic transplant (ALO, BALB/c mice, n=24). In each group, the animals were distributed with and without IPC-R. It was obtained the following subgroups: Tx, IPC-R, Fk, IPC-Fk, in both strains. Intestinal grafts were stained with hematoxylin and eosin and immunohistochemically...
October 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/27782890/pediatric-small-bowel-transplantation-a-single-center-experience-from-turkey
#6
Cem Tuğmen, Maşallah Baran, İsmail Sert, Ayşe Berna Anıl, Eyüp Kebapçı, Sait Murat Doğan, Selçuk Kılınç, Gaye Aydın, Ayşe Gülden Diniz, Mustafa Ölmez, İbrahim Pirim, Cezmi Karaca
BACKGROUND/AIMS: Small bowel transplantation (SBTx) is a treatment option for patients with serious parenteral nutrition-related problems in intestinal failure. İzmir Tepecik Training Research Hospital Organ Transplantation Center is still the only pediatric intestinal transplant center in Turkey. MATERIAL AND METHODS: This study was approved by the local ethics committee. Patients' data were analyzed from the medical charts and the hospital digital database. Seven isolated SBTxs were performed in six children between 2010 and 2016...
September 2016: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/27582272/allograft-biopsy-findings-in-patients-with-small-bowel-transplantation
#7
Jamie Koo, David W Dawson, Sarah Dry, Samuel W French, Bita V Naini, Hanlin L Wang
In this study, we sought to determine the incidence of posttransplant complications including acute cellular rejection (ACR), infection, and posttransplant lymphoproliferative disease (PTLD) in mucosal allograft biopsies in patients with small bowel transplant at our institution. We retrospectively reviewed pathology reports from 5675 small bowel allograft biopsies from 99 patients and analyzed the following: indications for biopsy, frequency and grade of ACR, presence of infectious agents, results of work-up for potential PTLD, results of C4d immunohistochemistry (IHC), features of chronic mucosal injury, and findings in concurrent native bowel biopsies...
September 1, 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27479158/cyclooxygenase-inhibitors-as-a-new-therapeutic-strategy-in-small-bowel-transplantation
#8
Frank A Schildberg, Bin Liu, Mamdouh Afify, Julia Steitz, Pascal Paschenda, Nico Schäfer, Jörg C Kalff, Thomas Minor, René H Tolba
BACKGROUND: The long-term outcome of intestinal transplantations is still not favorable, which is partly due to the intestinal susceptibility to ischemia. There are several indications that the inflammatory response to ischemia-reperfusion injury is mediated by cyclooxygenases and that their inhibition may be associated with improved organ function. The aim of this study was to analyze if COX inhibitors could improve the early posttransplant outcome after orthotopic small bowel transplantation (SBTx)...
July 29, 2016: Transplantation
https://www.readbyqxmd.com/read/27477384/microvillus-inclusion-disease-a-subtotal-enterectomy-as-a-bridge-to-transplantation
#9
Karen van Hoeve, Ilse Hoffman, Fabio Fusaro, Jacques Pirenne, Ann Vander Auwera, Anne-Marie Dieltjens, Gert De Hertogh, Diethard Monbaliu, Marc Miserez
BACKGROUND: Microvillus inclusion disease (MVID) is a known congenital cause of intractable diarrhea resulting in permanent intestinal failure. There is need for a lifelong total parenteral nutrition (TPN) from diagnosis and the prognosis is poor. Most patients die by the second decade of life as a result of complications of parenteral alimentation including liver failure or sepsis. The only available treatment at this moment is a small bowel transplantation. But before that moment, the patients often suffer from a persistent failure to thrive and electrolyte disturbances despite continuous TPN...
August 1, 2016: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/27404095/recombinant-hla-g-as-tolerogenic-immunomodulant-in-experimental-small-bowel-transplantation
#10
Martin W von Websky, Koji Kitamura, Isis Ludwig-Portugall, Christian Kurts, Maximilian von Laffert, Joel LeMaoult, Edgardo D Carosella, Kareem Abu-Elmagd, Joerg C Kalff, Nico Schäfer
The non-classical MHC I paralogue HLA-G is expressed by cytotrophoblast cells and implicated with fetomaternal tolerance by downregulating the maternal adaptive and innate immune response against the fetus. HLA-G expression correlates with favorable graft outcome in humans and recently promising immunosuppressive effects of therapeutic HLA-G in experimental transplantation (skin allograft acceptance) were shown. Consequently, we examined this novel therapeutic approach in solid organ transplantation. In this study, therapeutic recombinant HLA-G5 was evaluated for the first time in a solid organ model of acute rejection (ACR) after orthotopic intestinal transplantation (ITX)...
2016: PloS One
https://www.readbyqxmd.com/read/27289900/outcomes-of-isolated-small-bowel-transplants-in-a-single-uk-centre
#11
H Vollmer, E Harvey, G Barker, D Young
No abstract text is available yet for this article.
December 2015: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/27109995/a-case-report-of-acute-cellular-rejection-following-intestinal-transplantation-managed-with-adalimumab
#12
B Rao, S-M Jafri, M Kazimi, K Mullins, M Raoufi, M C Segovia
There is a higher incidence of acute cellular rejection (ACR) in small bowel transplantation (SBT) compared with transplantation of other solid organs. Although there are reports on the use of infliximab to successfully treat ACR refractory to other treatments, there are no reports, to our knowledge, regarding the use of adalimumab. We present a case of a female patient with a history of Crohn's disease who underwent an isolated SBT and developed an episode of severe ACR. She was initially treated with methylprednisolone, thymoglobulin, basiliximab, and a dosage adjustment of tacrolimus...
March 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27109992/effectiveness-of-bortezomib-in-a-patient-with-acute-rejection-associated-with-an-elevation-of-donor-specific-hla-antibodies-after-small-bowel-transplantation-case-report
#13
S Fujiwara, M Wada, H Kudo, S Yamaki, F Fujishima, K Ishida, M Nakamura, H Sasaki, T Kazama, H Tanaka, M Nio
BACKGROUND: A significant association between donor-specific antibody (DSA) and graft rejection has recently been documented. However, confirmed strategy has not been established for DSA-associated rejection after intestinal transplantation (ITx). CASE REPORT: A 20-year-old male patient with chronic intestinal obstruction caused by hypoganglionosis of the entire intestine underwent cadaveric donor ITx with grafting performed on 232 cm of the small intestine, cecum, and a part of the ascending colon...
March 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27109975/thomas-starzl-video-interview-for-his-living-legend-award-at-the-isbts-2015
#14
G E Gondolesi, G Mazariegos, T E Starzl
At the 14th International Small Bowel Transplant Symposium, (ISBTS2015) held in Buenos Aires, a session to recognize the pioneers that have dedicated their lives to make our current field possible was organized. Dr Thomas Starzl received the first Living Legend Award. A video interview was obtained at his office, edited, and later presented during the scientific meeting. More than 600 people saw Dr Starzl's interview, which captivated the audience for 40 minutes, before smiles, tears and the final applause erupted at the conclusion...
March 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27109974/preface-14th-international-small-bowel-transplant-symposium-isbts2015-june-10-13th-2015-buenos-aires-argentina
#15
EDITORIAL
Gabriel E Gondolesi, Douglas G Farmer
No abstract text is available yet for this article.
March 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27102447/difficulties-guidelines-and-review-of-developing-an-acute-rejection-model-after-rat-intestinal-transplantation
#16
Ane Miren Andres, Monica Santamaria, Francisco Hernandez-Oliveros, Laura Guerra, Sergio Lopez, Pablo Stringa, Maria Teresa Vallejo, Carlota Largo, Jose Luis Encinas, Maria Soledad Garcia de Las Heras, Manuel Lopez-Santamaria, Juan Antonio Tovar
Experimental small bowel transplantation (SBT) in rats has been proven to be a useful tool for the study of ischemia-reperfusion and immunological aspects related to solid organ transplantation. However, the model is not completely refined, specialized literature is scarce and complex technical details are typically omitted or confusing. Most studies related to acute rejection (AR) use the orthotopic standard, with small sample sizes due to its high mortality, whereas those studying chronic rejection (CR) use the heterotopic standard, which allows longer term survival but does not exactly reflect the human clinical scenario...
May 2016: Transplant Immunology
https://www.readbyqxmd.com/read/27061581/comparative-incidence-of-rejection-occurring-in-small-intestinal-and-colonic-mucosal-biopsies-of-patients-undergoing-intestinal-transplantation
#17
Geneviève Huard, Thomas Schiano, Marie I Fiel, Stephen C Ward, Jang Moon, Kishore Iyer
AIMS: To compare the diagnosis of acute cellular rejection (ACR) based on biopsies (Bx) performed simultaneously in the small bowel (SB) and colonic grafts (paired Bx) after intestinal transplantation (ITx). METHODS AND RESULTS: Retrospective study including all ITx with colon at Mount Sinai Hospital between 2009 and 2014. Paired Bx were reviewed blindly by two experienced gastrointestinal (GI) pathologists and were graded based on the VIII International Small Bowel Transplant Symposium Consensus criteria, with minor modifications for evaluation of colon biopsies...
October 2016: Histopathology
https://www.readbyqxmd.com/read/26962060/factors-affecting-the-development-of-an-antibody-response-to-hepatitis-b-immunization-in-children-with-intestinal-failure-before-and-after-small-bowel-transplantation-with-and-without-liver-graft
#18
Helen M Craggs, Phoebe Jackson, Girish Gupte, Jane Hartley, Mona Abdel-Hady, Rachael Morton, Sue Beath, Lindsay Hogg
BACKGROUND: Small bowel transplant with or without a liver graft (SBTx ± LTx) for children with intestinal failure involves checking their immunity to a range of microorganisms, including hepatitis B virus (HBV), at the time of assessment. HBV vaccination in the United Kingdom is recommended for transplant candidates. The aim of this audit was to find out how many SBTx ± LTx candidates received HBV vaccination before transplantation and how the timing of vaccination influenced the development of immunity...
March 9, 2016: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/26950725/severe-skin-complications-after-small-bowel-transplantation-graft-versus-host-disease-dress-virus-or-drug-toxicity
#19
Caroline Cruysmans, Marie-Gabrielle Ferneiny, Sylvie Fraitag, Pierre Frange, Christophe Chardot, Christine Bodemer, Olivier Goulet, Florence Lacaille
BACKGROUND: Severe skin problems are uncommon after small bowel transplantation. Differential diagnosis includes drug reactions, infections, graft-versus-host disease (GVHD), and mixed diseases. Early diagnosis and treatment are determinant for prognosis. METHODS AND RESULTS: We describe 6 patients with severe cutaneous complications after small bowel transplantation, the work-up, final diagnosis, and evolution. Two patients died from chronic GVHD or unrecognized drug rash with eosinophilia and systemic symptoms, the others recovered completely...
October 2016: Transplantation
https://www.readbyqxmd.com/read/26880888/lifor-solution-an-alternative-preservation-solution-in-small-bowel-transplantation
#20
Mingxiao Guo, Chunlei Lu, Ying Gao, Haifeng Zhang, Dongfeng Chen, Yousheng Li
Background and Objectives. The intestinal mucosa is extremely sensitive to ischemia. Better intestinal preservation is the first step to improve the results of intestinal transplantation. The aim of the study is to investigate the effect of cold Lifor solution on preservation of swine small bowel. Methods. Swine ileum segments (200 cm) were allotransplanted heterotopically after 9-hour cold storage with UW solution (group 1, n = 6), with Lifor solution (group 2, n = 6), or without storage (group 3, n = 6), respectively...
2016: Gastroenterology Research and Practice
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