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liver function after liver transplantation

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https://www.readbyqxmd.com/read/28230641/peritransplant-energy-changes-and-their-correlation-to-outcome-after-human-liver-transplantation
#1
Bote G Bruinsma, James H Avruch, Gautham V Sridharan, Pepijn D Weeder, Marie Louise Jacobs, Kerry Crisalli, Beth Amundsen, Robert J Porte, James F Markmann, Korkut Uygun, Heidi Yeh
BACKGROUND: The ongoing shortage of donor livers for transplantation and the increased use of marginal livers necessitate the development of accurate pretransplant tests of viability. Considering the importance energy status during transplantation, we aimed to correlate peritransplant energy cofactors to posttransplant outcome and subsequently model this in an ex vivo setting. METHODS: Sequential biopsies were taken from 19 donor livers postpreservation, as well as 30 min after portal venous (PVR) and hepatic arterial reperfusion (HAR) and analyzed by LC-MS for energetic cofactors (ATP/ADP/AMP, NADH/NAD, NADPH/NADP, FAD, GSSG/GSH)...
February 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28230639/mammalian-target-of-rapamycin-inhibition-clinical-transplantation-liver
#2
Björn Nashan
The evidence base concerning use of mammalian target of rapamycin (mTOR) inhibitor therapy after liver transplantation is evolving rapidly, clarifying their benefits and disadvantages in different clinical scenarios. The H2304 trial showed that starting everolimus at 1 month posttransplant, with reduced tacrolimus, achieves a sustained improvement in renal function versus standard tacrolimus-based therapy, with at least equivalent immunosuppressive efficacy. Randomized studies evaluating early discontinuation of CNI therapy after introduction of an mTOR inhibitor consistently demonstrated a substantial improvement in renal function versus standard CNI therapy...
February 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28223727/remote-ischemic-perconditioning-prevents-liver-transplantation-induced-ischemia-reperfusion-injury-in-rats-role-of-ros-rns-and-enos
#3
Ning He, Jun-Jun Jia, Jian-Hui Li, Yan-Fei Zhou, Bing-Yi Lin, Yi-Fan Peng, Jun-Jie Chen, Tian-Chi Chen, Rong-Liang Tong, Li Jiang, Hai-Yang Xie, Lin Zhou, Shu-Sen Zheng
AIM: To investigate the underlying mechanisms of the protective role of remote ischemic perconditioning (RIPerC) in rat liver transplantation. METHODS: Sprague-Dawley rats were subjected to sham, orthotopic liver transplantation (OLT), ischemic postconditioning (IPostC) or RIPerC. After 3 h reperfusion, blood samples were taken for measurement of alanine aminotransferase, aspartate aminotransferase, creatinine (Cr) and creatinine kinase-myocardial band (CK-MB). The liver lobes were harvested for the following measurements: reactive oxygen species (ROS), H2O2, mitochondrial membrane potential (ΔΨm) and total nitric oxide (NO)...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28219593/betel-nut-chewing-is-associated-with-reduced-tacrolimus-concentration-in-taiwanese-liver-transplant-recipients
#4
W-Y Chen, C-Y Lee, P-Y Lin, C-E Hsieh, C-J Ko, K-H Lin, C-C Lin, Y-Z Ming, Y-L Chen
PURPOSE: Studies have shown that arecoline, the major alkaloid component of betel nuts, alters the activity of enzymes in the cytochrome P450 (CYP-450) family. Tacrolimus, an immunosuppressant that protects against organ rejection in transplant recipients, not only is mainly metabolized by CYP3A enzymes but also has a narrow therapeutic range. We aimed to investigate whether dose-adjusted blood trough levels of tacrolimus differed over time between betel nut-chewing and non-betel nut-chewing liver transplant recipients...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28217916/effects-of-allogeneic-mesenchymal-stem-cell-transplantation-in-the-treatment-of-liver-cirrhosis-caused-by-autoimmune-diseases
#5
Jun Liang, Huayong Zhang, Cheng Zhao, Dandan Wang, Xiaolei Ma, Shengnan Zhao, Shiying Wang, Lingying Niu, Lingyun Sun
AIM: There has been great interest in recent years to take advantage of mesenchymal stem cells (MSCs) to treat end-stage liver disease. This study is aimed to evaluate clinical therapeutic effects of allogeneic MSC transplantation in liver cirrhosis caused by autoimmune diseases. METHODS: The enrolled patients with liver cirrhosis were assigned to receive allogeneic MSC infusions through a peripheral vein. The primary objective of this study was to assess the safety and effectiveness of MSCT in patients with autoimmune diseases-induced cirrhosis...
February 20, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28217251/biliary-complications-following-liver-transplantation-single-center-experience-over-three-decades-and-recent-risk-factors
#6
Alexander Kaltenborn, André Gutcke, Jill Gwiasda, Jürgen Klempnauer, Harald Schrem
AIM: To identify independent risk factors for biliary complications in a center with three decades of experience in liver transplantation. METHODS: A total of 1607 consecutive liver transplantations were analyzed in a retrospective study. Detailed subset analysis was performed in 417 patients, which have been transplanted since the introduction of Model of End-Stage Liver Disease (MELD)-based liver allocation. Risk factors for the onset of anastomotic biliary complications were identified with multivariable binary logistic regression analyses...
January 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28217248/iatrogenic-amyloid-polyneuropathy-after-domino-liver-transplantation
#7
REVIEW
Diana Mnatsakanova, Saša A Živković
Liver transplantation has been used in treatment of transthyretin amyloidosis, and some patients undergo domino liver transplantation (DLT) with explanted liver being transplanted to another patient with liver failure as the liver is otherwise usually functionally normal. Until end of 2015, there were 1154 DLT performed worldwide. DLT for transthyretin amyloidosis is associated with the risk of developing de novo systemic amyloidosis and amyloid neuropathy, and the risk may be greater with some non-Val30Met mutations...
January 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28214021/arfi-elastography-changes-after-direct-acting-antiviral-treatment-in-transplanted-livers-with-relapse-of-hepatitis-c-virus-infection
#8
M Alfageme Zubillaga, T Fontanilla Echeveste, I Pérez González, A Royuela Vicente, A M Duca, R M Ruiz Peralbo, C González Hernando
OBJECTIVE: To evaluate the changes in the values obtained in acoustic radiation force impulse (ARFI) elastography of the liver after antiviral treatment in patients with liver transplants and hepatitis C virus (HVC) infection recurring after transplantation. MATERIAL AND METHODS: We studied 15 patients infected with HVC who had received liver transplants where an HVC infection recurring in the graft within one year after the transplant was treated with direct-acting antivirals...
February 14, 2017: Radiología
https://www.readbyqxmd.com/read/28211259/liver-transplantation-from-a-deceased-donor-with-%C3%AE-thalassemia-intermedia-is-not-contraindicated-a-case-report
#9
Ersin Gumus, Osman Abbasoglu, Cahit Tanyel, Fatma Gumruk, Hasan Ozen, Aysel Yuce
The use of extended criteria donors who might have previously been deemed unsuitable is an option to increase the organ supply for transplantation. This report presents a pediatric case of a successful liver transplantation from a donor with β-thalassemia intermedia. A patient, 6-year-old female, with a diagnosis of cryptogenic liver cirrhosis underwent deceased donor liver transplantation from a thalassemic donor. Extreme hyperferritinemia was detected shortly after transplantation. The most probable cause of hyperferritinemia was iron overload secondary to transplantation of a hemosiderotic liver...
February 17, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28206695/graft-quality-matters-survival-after-simultaneous-liver-kidney-transplant-according-to-kdpi
#10
Colleen Jay, Jacqueline Pugh, Glenn Halff, Greg Abrahamian, Francisco Cigarroa, Ken Washburn
BACKGROUND: Poor renal function is associated with higher mortality after liver transplantation. Our aim was to understand the impact of kidney graft quality according to kidney donor profile index (KDPI) score on survival after simultaneous liver-kidney (SLK) transplantation. METHODS: Using United Network of Organ Sharing data from 2002-2013 for adult deceased donor SLK recipients, we compared survival and renal graft outcomes according to KDPI. RESULTS: Of 4,207 SLK transplants, 6% were from KDPI >85% donors...
February 16, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28205363/health-related-quality-of-life-after-combined-liver-and-kidney-transplantation-in-children
#11
Kaja Schmaeschke, Susanne Lezius, Enke Grabhorn, Markus J Kemper, Florian Brinkert
While reduced HRQOL following isolated organ transplantation has been previously reported, there are no data in the context of children following CLKT. Twenty-three children who underwent CLKT at our institution were included in the study. The indication for CLKT was PH1 in 13 patients and ARPKD in 10 patients. Quantification of HRQOL was facilitated through the use of the PedsQL 4.0 Generic Core Scale. The results of the study were compared to healthy children and published data of children who had undergone LTx or KTx...
February 15, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28199762/improving-the-diagnostic-criteria-for-primary-liver-graft-non-function-in-adults-utilizing-standard-and-transportable-laboratory-parameters-an-outcome-based-analysis
#12
Mohammad A B Al-Freah, Mark J W McPhail, Elena Dionigi, Matthew R Foxton, Georg Auzinger, Mohamed Rela, Julia A Wendon, John G O'Grady, Michael A Heneghan, Nigel D Heaton, William Bernal
Current diagnostic criteria for primary non-function (PNF) of liver grafts are based on clinical experience rather than statistical methods. A retrospective, single centre study was conducted of all adults (n=1,286) who underwent primary liver transplant 2000-2008 in our centre. Laboratory variable during the first post-liver transplant week were analysed. Forty two patients (3.7%) had 2-week graft failure. Transplant albumin, day-1 AST, day-1 lactate, day-3 bilirubin, day-3 INR and day-7 AST were independently associated with PNF on multivariate logistic regression...
February 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28194427/the-hyperlipidemia-caused-by-overuse-of-glucocorticoid-after-liver-transplantation-and-the-immune-adjustment-strategy
#13
Xueqin Meng, Xinhua Chen, Liming Wu, Shusen Zheng
The overuse of glucocorticoid may cause the metabolic disorders affecting the long term outcome of liver transplantation. This study aims to investigate the immune adjustment strategy by decreasing use of glucocorticoid after liver transplantation. The follow-up study was carried out on liver function and lipid metabolism. This study included adult recipients of liver transplantation. There were 3 groups according to their use of glucocorticoid: long term (>3 months, n = 18), short term (<3 months, n = 20), and control group (no use of glucocorticoid, radical hepatic resection, n = 22)...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28187014/delayed-donor-bone-marrow-infusion-induces-liver-transplant-tolerance
#14
Yan Xie, Yang Wu, Kang Xin, Jiao-Jing Wang, Hong Xu, Suzanne T Ildstad, Joseph Leventhal, Guang-Yu Yang, Zheng Zhang, Josh Levitsky
BACKGROUND: Nonmyeloablative conditioning followed by donor bone marrow infusion (BMI) to induce tolerance has not been robustly tested in liver transplantation (LT) and may be unsafe at the time of LT. We hypothesized T cell depleted BMI is effective in inducing tolerance when delayed after LT, resulting in potentially safer future clinical applications. METHODS: Nonimmunosuppressed syngeneic (Lewis to Lewis) and allogeneic (ACI to Lewis) rat LT transplants were initially performed as controls...
February 10, 2017: Transplantation
https://www.readbyqxmd.com/read/28185646/a-prospective-cohort-study-on-posttraumatic-stress-disorder-in-liver-transplantation-recipients-before-and-after-transplantation-prevalence-symptom-occurrence-and-intrusive-memories
#15
Coby Annema, Gerda Drent, Petrie F Roodbol, Herold J Metselaar, Bart Van Hoek, Robert J Porte, Maya J Schroevers, Adelita V Ranchor
OBJECTIVE: This study aimed at increasing the understanding of posttraumatic stress disorder (PTSD) in liver transplant patients by describing the course of PTSD, symptom occurrence, psychological co-morbidity, and the nature of re-experiencing symptoms. METHODS: A prospective cohort study was performed among 95 liver transplant recipients from before transplantation up until one year post-transplantation. Respondents filled out a questionnaire regarding psychological functioning (PTSD, anxiety, and depression) before, and at 3, 6, and 12months post-transplantation...
February 2, 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28173870/an-effective-ex-vivo-approach-for-inducing-endothelial-progenitor-cells-from-umbilical-cord-blood-cd34-cells
#16
Meng Qin, Xin Guan, Huihui Wang, Yu Zhang, Bin Shen, Qingyu Zhang, Wei Dai, Yupo Ma, Yongping Jiang
BACKGROUND: Transplantation of endothelial progenitor cells (EPCs)/endothelial cells (ECs) has been used for the treatment of ischemic diseases and hemophilia A, due to their great capacity for producing factor VIII and for repairing vascular damage. We established an effective approach to stimulate the expansion and differentiation of EPCs for potential therapeutic applications. METHODS: CD34(+) cells isolated from human cord blood were cultured in a two-step system for 21 days...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28170193/human-menstrual-blood-derived-stem-cells-ameliorate-liver-fibrosis-in-mice-by-targeting-hepatic-stellate-cells-via-paracrine-mediators
#17
Lijun Chen, Chunfeng Zhang, Lu Chen, Xiaojun Wang, Bingyu Xiang, Xiaoxing Wu, Yang Guo, Xiaozhou Mou, Li Yuan, Bo Chen, Jinfu Wang, Charlie Xiang
Mesenchymal stem cells (MSCs) may have potential applications in regenerative medicine for the treatment of chronic liver diseases (CLDs). Human menstrual blood is a novel source of MSCs, termed menstrual blood-derived stem cells (MenSCs). Compared with bone marrow MSCs, MenSCs exhibit a higher proliferation rate and they can be obtained through a simple, safe, painless procedure without ethical concerns. Although the therapeutic efficacy of MenSCs has been explored in some diseases, their effects on liver fibrosis are still unclear...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28170183/functional-human-and-murine-tissue-engineered-liver-is-generated-from-adult-stem-progenitor-cells
#18
Nirmala Mavila, Andrew Trecartin, Ryan Spurrier, Yi Xiao, Xiaogang Hou, David James, Xiaowei Fu, Brian Truong, Clara Wang, Gerald S Lipshutz, Kasper S Wang, Tracy C Grikscheit
Liver disease affects large numbers of patients, yet there are limited treatments available to replace absent or ineffective cellular function of this crucial organ. Donor scarcity and the necessity for immunosuppression limit one effective therapy, orthotopic liver transplantation. But in some conditions such as inborn errors of metabolism or transient states of liver insufficiency, patients may be salvaged by providing partial quantities of functional liver tissue. After transplanting multicellular liver organoid units composed of a heterogeneous cellular population that includes adult stem and progenitor cells, both mouse and human tissue-engineered liver (TELi) form in vivo...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28162156/-the-clinical-practice-of-improvement-the-volume-and-quality-of-functional-liver-in-autologous-liver-transplantation-for-the-patients-with-alveolar-echinococcosis
#19
Aji Tuerganaili, Y M Shao, J M Zhao, T Li, B Ran, T M Jiang, R Q Zhang, Tuxun Tuerhongjiang, L Wu, M Guo, H Wen
Objective: To investigate the clinical significance of accurate assessment of "volume and quality" of functional liver in Autologous liver transplantation (ALT) in the treatment of the advanced hepatic alveolar echinococcosis (HAE). Methods: The clinical data of 12 patients with advanced HAE who underwent ALT at the First Affiliated Hospital of Xinjiang Medical University from May 2015 to July 2016 were retrospectively analyzed. Results: The preoperative hepatic functions of 12 patients were 8 Child-Pugh Grade A, 1 Grade B, and 3 Grade C...
January 24, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28150359/potential-role-of-tracing-stem-cell-transplantation-and-effects-on-the-immune-cell-function-of-ferumoxytol-combining-with-heparin-and-protamine-in-vivo-in-vitro
#20
Jingyuan Zhao, Xin Guan, Yang Liu, Hua Piao, Rutao Liu, Xiang Zhou, Bo Sun, Yue Du, Jing Liu
Cell labeling and tracing have played an increasingly important role in the field of stem cell transplantation. Nanocomplexes combining three Food and Drug Administration (FDA)-approved drugs: heparin (H), protamine (P) and ferumoxytol (F)(HPF nanocomplexes) display high labeling efficiency in human adipose tissue-derived stem cells (hADSCs), but their biological safety has not been determined. In this study, we tested the labeling efficiency of HPF in hADSCs through in vitro cytotoxicity studies and in vivo murine preclinical studies using HPF-labeled hADSCs...
February 2, 2017: Cell Biology International
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