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liver function after liver transplantation

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https://www.readbyqxmd.com/read/28427351/proteinuria-and-baseline-renal-function-predict-mortality-and-renal-outcomes-after-sirolimus-therapy-in-liver-transplantation-recipients
#1
Lung-Chih Li, Chien-Ning Hsu, Chih-Che Lin, Yu-Fan Cheng, Tsung-Hui Hu, Ding-Wei Chen, Chih-Hsiung Lee, Toshiaki Nakano, Chao-Long Chen
BACKGROUND: Chronic kidney disease is a significant complication after liver transplantation (LT), but the role of pre-existing renal insufficiency and proteinuria remains unclear among LT recipients receiving sirolimus. METHODS: We assessed the effects of proteinuria and baseline renal function on long-term renal and survival outcomes among 576 LT recipients who received SRL in a medical center between 2005 and 2014. Renal outcomes were the incidences of >50% reduction in their baseline estimated glomerular filtration rate and end stage kidney disease requiring renal replacement therapy...
April 20, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28417501/d-dimer-level-in-association-with-humoral-responses-negatively-correlates-with-survival-of-porcine-islet-grafts-in-non-human-primates-with-immunosuppression
#2
Hee Jung Kang, Haneulnari Lee, Eun Mi Park, Jong-Min Kim, Byoung-Hoon Min, Chung-Gyu Park
BACKGROUND: Several immunosuppression (IS) regimens achieve long-term graft survival in non-human primates (NHPs) after porcine islet transplantation (PITx), but their success rates vary. To understand the mechanism of graft loss, we investigated the relationships between graft survival and humoral or inflammatory responses for maintenance IS in NHPs after PITx. METHODS: Islets purified from adult wild-type pigs were intraportally transplanted into streptozotocin-induced diabetic rhesus monkeys...
April 18, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28413066/temporary-portal-vein-embolization-is%C3%A2-as%C3%A2-efficient-as-permanent-portal-vein%C3%A2-embolization-in-mice
#3
Andrea Wirsching, Emmanuel Melloul, Ksenia Lezhnina, Anton A Buzdin, Omolara O Ogunshola, Pieter Borger, Pierre-Alain Clavien, Mickaël Lesurtel
BACKGROUND: Temporary portal vein embolization may be a safe alternative to permanent portal vein embolization. Such a new approach could be applied in living-related liver transplantation to increase graft volume before procurement. The impact of temporary portal vein embolization on occluded liver after recanalization, however, has never been assessed. Using a mouse model of temporary portal vein embolization, we investigated (1) the efficiency of temporary portal vein embolization in inducing nonoccluded liver hypertrophy and (2) the regeneration potential and functional recovery of embolized liver after recanalization...
April 13, 2017: Surgery
https://www.readbyqxmd.com/read/28412754/efficacy-and-safety-of-a-reduced-calcineurin-inhibitor-dose-combined-with-mycophenolate-mofetil-in-liver-transplant-patients-with-chronic-renal-dysfunction
#4
Pusen Wang, Weitao Que, Hao Li, Lvnan Yan, Zhiren Fu, Qifa Ye, Guihua Chen, Kefeng Dou, Shichun Lu, Zhanyu Yang, Zhijun Zhu, Zhihai Peng, Lin Zhong
Calcineurin inhibitors (CNIs) are frequently given at a reduced dose in combination with mycophenolate mofetil (MMF) to avoid nephrotoxicity, but the optimal reduction in CNI dose has not been established. In this prospective, open-label, multicenter study, liver transplant recipients with chronic renal dysfunction who were administered a CNI-based immunosuppressive regimen were included in the intent-to-treat (ITT) population. The primary endpoint was declination in renal function, which was defined as a ≥ 20% decrease in the glomerular filtration rate during the year following regimen adjustment...
February 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411360/liver-transplant-in-children-with-hepatoblastoma
#5
Razieh Abdolvahabi, Abdolfatah Sarrafnejad, Mohsen Nafar, Davood Jafari, Efat Razaghi, Mahboob Lessan-Pezashki, Mir Saeed Yekaninejad, Ehsan Sharif-Paghaleh, Aliakbar Amirzargar
OBJECTIVES: Toll-like receptors play an important role in innate and adaptive immune responses and can induce acute graft rejection, especially in the early phase after transplant. The aim of this study was to evaluate the possible association between TLR2, TLR4, and CD14 polymorphisms and acute renal rejection. MATERIALS AND METHODS: Our study included 239 patients seen between 2013 and 2015. Patients were classified into 3 groups: acute rejection group (71 patients), stable graft function group (71 patients), and healthy control group (97 patients)...
April 14, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28409921/mesenchymal-stem-cells-seeded-regenerated-silk-fibroin-complex-matrices-for-liver-regeneration-in-an-animal-model-of-acute-liver-failure
#6
Lijuan Xu, Shufang Wang, Xiang Sui, Yu Wang, Yinan Su, Li Huang, Yunwei Zhang, Zheng Chen, Qianqian Chen, Haitao Du, Yaopeng Zhang, Li Yan
The shortage of organ donation is the main limitation to liver transplantation as a treatment for the end-stage liver disease or acute liver failure. In order to develop an alternative therapy for acute liver failure, mesenchymal stem cells (MSCs) seeded regenerated silk fibroin (RSF) matrices were evaluated in vitro and in vivo. Adipose-derived mesenchymal stem cells (ADSCs) and bone marrow-derived mesenchymal stem cells (BMSCs) were planted and grown on RSF scaffolds to form scaffolds complex, respectively...
April 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28407449/drug-interactions-and-safety-profiles-with-concomitant-use-of-caspofungin-and-calcineurin-inhibitors-in-allogeneic-hematopoietic-cell-transplantation
#7
Mitsutaka Nishimoto, Hideo Koh, Atsushi Tokuwame, Yousuke Makuuchi, Masatomo Kuno, Teruhito Takakuwa, Hiroshi Okamura, Shiro Koh, Takuro Yoshimura, Satoru Nanno, Mika Nakamae, Asao Hirose, Yasuhiro Nakashima, Takahiko Nakane, Masayuki Hino, Hirohisa Nakamae
AIM: Small-scale clinical studies have reported on drug interactions between caspofungin (CPFG) and calcineurin inhibitors in healthy subjects; however, little is known about these interactions in allogeneic hematopoietic cell transplantation (allo-HCT) patients. METHODS: We retrospectively assessed the drug interactions and safety profiles in allo-HCT recipients treated concomitantly with CPFG and calcineurin inhibitors. RESULTS: Ninety-one consecutive cases were evaluated...
April 13, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28405602/cognitive-evaluation-in-liver-transplant-patients-under-calcineurin-inhibitor-maintenance-therapy
#8
Nils Heits, Dalibor Keserovic, Niclas Mund, Nicola Ehmke, Alexander Bernsmeier, Alexander Hendricks, Rainer Gunther, Karsten Witt, Thomas Becker, Felix Braun
BACKGROUND: Neurological disorders due to calcineurin inhibitor (CNI) treatment pose a well-known problem after liver transplantation (LTx). In this study, the impact of CNIs on cognitive functioning during maintenance therapy was analyzed. A possible improvement of cognitive functioning, compliance and health-related quality of life (HRQoL) after conversion to a once-daily tacrolimus formulation was prospectively assessed. METHODS: In a cross-section analysis cognitive functioning of living donors (LD), waiting list patients and LTx patients was tested using a 4 times trail making test (4-TTMT)...
April 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28405138/long-term-follow-up-and-outcome-of-liver-transplantation-from-hepatitis-b-surface-antigen-positive-donors
#9
EDITORIAL
Roberto Ballarin, Alessandro Cucchetti, Francesco Paolo Russo, Paolo Magistri, Matteo Cescon, Umberto Cillo, Patrizia Burra, Antonio Daniele Pinna, Fabrizio Di Benedetto
Liver transplant for hepatitis B virus (HBV) currently yields excellent outcomes: it allows to rescue patients with an HBV-related advanced liver disease, resulting in a demographical modification of the waiting list for liver transplant. In an age of patient-tailored treatments, in liver transplantation as well the aim is to offer the best suitable graft to the patient who can benefit from it, also expanding the criteria for organ acceptance and allocation. With the intent of developing strategies to increase the donor pool, we set-up a multicenter study involving 3 Liver Transplant Centers in Italy: patients undergoing liver transplantation between March 03, 2004, and May 21, 2010, were retrospectively evaluated...
March 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28403531/short-term-effects-of-extracorporeal-graft-rinse-versus-circulatory-graft-rinse-in-living-donor-liver-transplantation-a-prospective-randomized-controlled-trial
#10
Amr M Yassen, Waleed R Elsarraf, Mohamed A Elmorshedi, Mohamed Abdel Wahab, Tarek Salah, Ahmed M Sultan, Ahmed N Elghawalby, Mohamed M Elshobari, Mohamed Elsadany, Khaled Zalata, Usama Shiha
BACKGROUND: Living donor liver transplantation has shorter cold ischemia time, less preservative volume and lower metabolic load compared to transplantation from deceased donors. We investigated the impact of rinsing the graft contents into the systemic circulation on operative course and post-operative outcomes. PATIENTS AND METHODS: Donors had right hepatectomy and grafts were preserved with cold Histidine-Tryptophan-Ketoglutarate solution. On ending portal vein anastomosis, grafts were flushed by patient's portal blood; either through incompletely anastomosed hepatic vein (Extracorporeal Rinse group, EcRg, n=40) or into systemic circulation (Circulatory Rinse group, CRg, n=40)...
April 12, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28403210/molecular-adsorbent-recirculating-system-mars-in-acute-liver-injury-and-graft-dysfunction-results-from-a-case-control-study
#11
Hans U Gerth, Michele Pohlen, Gerold Thölking, Hermann Pavenstädt, Marcus Brand, Christian Wilms, Anna Hüsing-Kabar, Dennis Görlich, Iyad Kabar, Hartmut H J Schmidt
BACKGROUND: The primary therapeutic goals in the treatment of liver injury are to support liver regeneration or bridge the gap to liver transplantation (LT). Molecular adsorbent recirculating system (MARS) therapy has shown beneficial effects for specific symptoms of liver failure; however, general survival advantages have not yet been demonstrated. AIM: We studied the effects of MARS therapy compared to standard medical treatment (SMT) in two patient cohorts: in patients with an acute liver injury and in those with graft dysfunction (GD)...
2017: PloS One
https://www.readbyqxmd.com/read/28403128/an-oxygenated-and-transportable-machine-perfusion-system-fully-rescues-liver-grafts-exposed-to-lethal-ischemic-damage-in-a-pig-model-of-dcd-liver-transplantation
#12
Philippe Compagnon, Eric Levesque, Hassen Hentati, Mara Disabato, Julien Calderaro, Cyrille Feray, Anne Corlu, José Laurent Cohen, Ismail Ben Mosbah, Daniel Azoulay
BACKGROUND: Control of warm ischemia (WI) lesions that occur with donation after circulatory death (DCD) would significantly increase the donor pool for liver transplantation. We aimed to determine whether a novel, oxygenated and hypothermic machine perfusion device (HMP Airdrive system) improves the quality of livers derived from DCDs using a large animal model. METHODS: Cardiac arrest was induced in female large white pigs by IV injection of potassium chloride...
April 11, 2017: Transplantation
https://www.readbyqxmd.com/read/28397810/hepatocytic-parental-progenitor-cells-of-rat-small-hepatocytes-maintain-self-renewal-capability-after-long-term-culture
#13
Masayuki Ishii, Junichi Kino, Norihisa Ichinohe, Naoki Tanimizu, Takafumi Ninomiya, Hiromu Suzuki, Toru Mizuguchi, Koichi Hirata, Toshihiro Mitaka
The liver has a variety of functions for maintaining homeostasis, and hepatocytes play a major role. In contrast with the high regenerative capacity of mature hepatocytes (MHs) in vivo, they have not been successfully expanded ex vivo. Here we demonstrate that CD44-positive cells sorted from small hepatocyte (SH) colonies derived from a healthy adult rat liver can proliferate on a Matrigel-coated dish in serum-free chemically defined medium; in addition, a subpopulation of the cells can divide more than 50 times in a period of 17 weeks every 4-week-passage...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28395663/renal-function-and-oxygenation-are-impaired-early-after-liver-transplantation-despite-hyperdynamic-systemic-circulation
#14
Jenny Skytte Larsson, Gudrun Bragadottir, Bengt Redfors, Sven-Erik Ricksten
BACKGROUND: Acute kidney injury (AKI) occurs frequently after liver transplantation and is associated with the development of chronic kidney disease and increased mortality. There is a lack of data on renal blood flow (RBF), oxygen consumption, glomerular filtration rate (GFR) and renal oxygenation, i.e. the renal oxygen supply/demand relationship, early after liver transplantation. Increased insight into the renal pathophysiology after liver transplantation is needed to improve the prevention and treatment of postoperative AKI...
April 11, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28394402/dual-hypothermic-oxygenated-machine-perfusion-in-liver-transplants-donated-after-circulatory-death
#15
R van Rijn, N Karimian, A P M Matton, L C Burlage, A C Westerkamp, A P van den Berg, R H J de Kleine, M T de Boer, T Lisman, R J Porte
BACKGROUND: Experimental studies have suggested that end-ischaemic dual hypothermic oxygenated machine perfusion (DHOPE) may restore hepatocellular energy status and reduce reperfusion injury in donation after circulatory death (DCD) liver grafts. The aim of this prospective case-control study was to assess the safety and feasibility of DHOPE in DCD liver transplantation. METHODS: In consecutive DCD liver transplantations, liver grafts were treated with end-ischaemic DHOPE...
April 10, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28388830/the-release-of-microrna-122-during-liver-preservation-is-associated-with-early-allograft-dysfunction-and-graft-survival-after-transplantation
#16
Jasmijn W Selten, Cornelia J Verhoeven, Veerle Heedfeld, Henk P Roest, Jeroen de Jonge, Jacques Pirenne, Jos van Pelt, Jan N M IJzermans, Diethard Monbaliu, Luc J W van der Laan
INTRODUCTION: Early allograft dysfunction (EAD) after liver transplantation is associated with inferior graft survival. EAD is more prevalent in grafts from donation after circulatory death (DCD). However, accurate prediction of liver function remains difficult due to the lack of specific biomarkers. Recent experimental and clinical studies highlight the potential of hepatocyte-derived microRNAs (miRNAs) as sensitive, stable and specific biomarkers of liver injury. The aim of this study was to determine whether miRNAs in graft preservation fluid are predictive for EAD after clinical liver transplantation and in an experimental DCD model...
April 7, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28386285/mesenchymal-stem-cells-transplantation-following-partial-hepatectomy-a-new-concept-to-promote-liver-regeneration-systematic-review-of-the-literature-focused-on-experimental-studies-in-rodent-models
#17
REVIEW
Ioannis G Papanikolaou, Charalambos Katselis, Konstantinos Apostolou, Themistoklis Feretis, Maria Lymperi, Manousos M Konstadoulakis, Apostolos E Papalois, George C Zografos
Mesenchymal stem cells (MSCs) are an attractive source for regenerative medicine because they are easily accessible through minimally invasive methods and have the potential to enhance liver regeneration (LG) and improve liver function, following partial hepatectomy (PH) and acute or chronic liver injury. A systematic review of the literature was conducted for articles published up to September 1st, 2016, using the MEDLINE database. The keywords that were used in various combinations were as follows: "Mesenchymal stem cells", "transplantation", "stem cells", "adipose tissue derived stem cells", "bone marrow-derived stem cells", "partial hepatectomy", "acute liver failure", "chronic liver failure", "liver fibrosis", "liver cirrhosis", "rats", "mice", and "liver regeneration"...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28380632/evaluation-of-right-ventricular-function-using-liver-stiffness-in-patients-with-left-ventricular-assist-device%C3%A2
#18
Noriyuki Kashiyama, Koichi Toda, Teruya Nakamura, Shigeru Miyagawa, Hiroyuki Nishi, Yasushi Yoshikawa, Satsuki Fukushima, Shunsuke Saito, Daisuke Yoshioka, Yoshiki Sawa
OBJECTIVES: Although right ventricular failure (RVF) is a major concern after left ventricular assist device (LVAD) implantation, methodologies to evaluate RV function remain limited. Liver stiffness (LS), which is closely related to right-sided filling pressure and may indicate RVF severity, could be non-invasively and repeatedly assessed using transient elastography. Here we investigated the suitability of LS as a parameter of RV function in pre- and post-LVAD periods. METHODS: The study included 55 patients with LVAD implantation as a bridge to transplantation between 2011 and 2015 whose LS was assessed using transient elastography...
April 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28378341/nlrp3-inflammasome-induced-liver-graft-injury-through-activation-of-telomere-independent-rap1-kc-axis
#19
Hui Liu, Oscar Wai Ho Yeung, Chang Xian Li, Xiao Bing Liu, Xiang Qi, Kevin Tak Pan Ng, Jiang Liu, Yuen Yuen Ma, Yin Fan Lam, Qizhou Lian, See Ching Chan, Chung Mau Lo, Kwan Man
Acute phase inflammation plays a critical role in liver graft injury. Inflammasomes, multi-molecular complexes in the cytoplasm, are responsible for initiating inflammation. Here, we aimed to explore the role of inflammasomes in liver graft injury and further to investigate the regulatory mechanism. In a clinical liver transplant cohort, we found that intragraft expression of nucleotide-binding oligomerization domain-like receptor family pyrin domain containing 3 (NLRP3) inflammasomes was significantly up-regulated post-transplantation...
April 5, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28376032/chronic-hepatitis-e-viral-infection-after-liver-transplantation-a-regression-of-fibrosis-following-antiviral-therapy
#20
Alessandra Mazzola, Margherita Tran Minh, Frédéric Charlotte, Aisha Hdjii, Denis Bernard, Dominique Wendum, Yvon Calmus, Filomena Conti
BACKGROUND: hepatitis E virus (HEV) infection is increasingly being reported in immunocompromised patients, and particularly organ transplant recipients. In this context, HEV infection frequently evolves to chronic infection with a rapid progression of fibrosis to cirrhosis. Ribavirin monotherapy and a minimisation of immunosuppression represent the treatment of choice, with a good response rate. However, no data are available on whether treatment can achieve a regression of liver fibrosis in chronic HEV patients...
April 4, 2017: Transplantation
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