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https://www.readbyqxmd.com/read/28736953/neutropenia-in-kidney-and-liver-transplant-recipients-risk-factors-and-outcomes
#1
Thomas A Mavrakanas, Marie-Andrée Fournier, Sarah Clairoux, Jacques-Alexandre Amiel, Marie-Eve Tremblay, Donald C Vinh, Christian Coursol, Daniel J G Thirion, Marcelo Cantarovich
No studies have directly compared the key characteristics and outcomes of kidney (KTx) and liver transplantation (LTx) recipients with neutropenia. In this single-center, retrospective, cohort study, we enrolled all adult patients who received a KTx or LTx between 2000 and 2011. Neutropenia was defined as two consecutive absolute neutrophil count (ANC) values <1500/mm(3) in patients without preexisting neutropenia. The first neutropenia episode occurring during the first-year posttransplantation was analyzed...
July 24, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28734935/outcome-of-lung-transplantation-in-idiopathic-pulmonary-fibrosis-with-previous-anti-fibrotic-therapy
#2
Gabriela Leuschner, Florian Stocker, Tobias Veit, Nikolaus Kneidinger, Hauke Winter, René Schramm, Thomas Weig, Sandhya Matthes, Felix Ceelen, Paola Arnold, Dieter Munker, Friederike Klenner, Rudolf Hatz, Marion Frankenberger, Jürgen Behr, Claus Neurohr
BACKGROUND: Anti-fibrotic drugs may interfere with wound-healing after major surgery, theoretically preventing sufficient bronchial anastomosis formation after lung transplantation (LTx). The aim of this study was to assess the impact of previous treatment with pirfenidone and nintedanib on outcomes after LTx in patients with idiopathic pulmonary fibrosis (IPF). METHODS: All patients with IPF undergoing LTx at the University of Munich between January 2012 and November 2016 were retrospectively screened for previous use of anti-fibrotics...
July 5, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28731732/observation-of-flat-electron-temperature-profiles-in-the-lithium-tokamak-experiment
#3
D P Boyle, R Majeski, J C Schmitt, C Hansen, R Kaita, S Kubota, M Lucia, T D Rognlien
It has been predicted for over a decade that low-recycling plasma-facing components in fusion devices would allow high edge temperatures and flat or nearly flat temperature profiles. In recent experiments with lithium wall coatings in the Lithium Tokamak Experiment (LTX), a hot edge (>200  eV) and flat electron temperature profiles have been measured following the termination of external fueling. Reduced recycling was demonstrated by retention of ∼60% of the injected hydrogen in the walls following the discharge...
July 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28719135/multiple-breath-washout-in-paediatric-patients-after-lung-transplantation
#4
Sylvia Nyilas, Julia Carlens, Timothy Price, Florian Singer, Carsten Müller, Gesine Hansen, Gregor Warnecke, Philipp Latzin, Nicolaus Schwerk
Forced expiratory volume in 1 second (FEV1 ) from spirometry, is the most commonly used parameter to detect early allograft dysfunction after lung transplantation (LTx). There are concerns regarding its sensitivity. Nitrogen-multiple breath washout (N2 -MBW) is sensitive at detecting early global (lung clearance index; LCI), and acinar (Sacin ) airway inhomogeneity. We investigated whether N2 -MBW indices indicate small airways pathology after LTx in children with stable spirometry. Thirty-seven children without BOS on median 1...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28712677/extracorporeal-membrane-oxygenation-following-lung-transplantation-indications-and-survival
#5
Michael S Mulvihill, Babatunde A Yerokun, Robert Patrick Davis, David N Ranney, Mani A Daneshmand, Matthew G Hartwig
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) is employed to rescue patients with early graft dysfunction after lung transplantation (LTx). Rates of post-LTx ECMO and subsequent outcomes have been limited to single-center reports. METHODS: UNOS registry was queried for LTx recipients from March 2015 to March 2016; 2,001 recipients were identified and stratified by need for post-LTx ECMO. Logistic regression was used to determine variables associated with post-LTx ECMO...
July 1, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28711221/the-evolution-of-lung-transplantation-for-cystic-fibrosis-a-2017-update
#6
REVIEW
Gregory Snell, Anna Reed, Marc Stern, Denis Hadjiliadis
Lung transplantation (LTx) is an established therapy for patients with end-stage cystic fibrosis (CF). Indeed, CF is the commonest indication for those aged<50years of age needing LTx. CF LTx is associated with a 45% 10year survival - according to the world's largest registry. It is important all otherwise suitable CF patients with severe lung disease have a timely referral for discussion and consideration of the possibility of LTx. LTx discussions must carefully consider colonisation or infection with Burkholderia cenocepacia, Mycobacterium abscessus and Scediosporium - as good LTx outcomes cannot be guaranteed...
July 12, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28701147/combinational-use-of-lipid-based-reagents-for-efficient-transfection-of-primary-fibroblasts-and-hepatoblasts
#7
Kazuhiro Ishiguro, Osamu Watanabe, Masanao Nakamura, Takeshi Yamamura, Masanobu Matsushita, Hidemi Goto, Yoshiki Hirooka
Commercially available lipid-based transfection reagents are widely used to deliver DNA to cells. However, these lipid-based transfection reagents show poor gene transfer efficiency in primary cells. Here, we demonstrate a simple method to improve gene transfer efficiency in primary fibroblasts and hepatoblasts using a combination of lipid-based transfection reagents. Our data show that combined use of Lipofectamine LTX and FuGENE HD increases the efficiency of gene transfer compared with the use of either reagent alone, and this combination achieves the best result of any pairwise combination of Lipofectamine LTX, FuGENE HD, TransFectin, and Fibroblast Transfection Reagent...
July 1, 2017: BioTechniques
https://www.readbyqxmd.com/read/28663066/successful-management-of-acute-liver-failure-in-italian-children-a-16-year-experience-at-a-referral-centre-for-paediatric-liver-transplantation
#8
A Di Giorgio, A Sonzogni, A Piccichè, G Alessio, E Bonanomi, M Colledan, L D'Antiga
BACKGROUND: Identifying the causes of acute liver failure (ALF) and predictors of death or liver transplantation (LTX) is crucial to decide its management. We aimed to describe features and outcome of ALF in Italian children. METHODS: Retrospective review of cases presenting between 1996-2012. ALF was defined by high transaminases, INR ≥2.0 regardless of hepatic encephalopathy (HE), no evidence of underlying chronic liver disease. RESULTS: 55 children (median age 2...
June 12, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28662022/impaired-esophageal-motility-and-clearance-post-lung-transplant-risk-for-chronic-allograft-failure
#9
Anupong Tangaroonsanti, Augustine S Lee, Michael D Crowell, Marcelo F Vela, Daryl R Jones, David Erasmus, Cesar Keller, Jorge Mallea, Francisco Alvarez, Cristina Almansa, Kenneth R DeVault, Lesley A Houghton
OBJECTIVES: Gastroesophageal reflux is common in patients post-lung transplantation (LTx) and thus considered a risk factor for aspiration and consequently allograft rejection and the development of chronic allograft failure. However, evidence supporting this remains unclear and often contradictory. Our aim was to examine the role played by esophageal motility on gastroesophageal reflux exposure, along with its clearance and that of boluses swallowed, and the relationship to development of obstructive chronic lung allograft dysfunction (o-CLAD)...
June 29, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28658533/post-operative-outcomes-and-management-strategies-for-coronary-artery-disease-in-patients-in-need-of-a-lung-transplantation
#10
Sameer J Khandhar, Andrew D Althouse, Suresh Mulukutla, Robert Kormos, Catalin Toma, Oscar Marroquin, Elizabeth Volz, Leben Tefera, Christian Bermudez
BACKGROUND: Patients requiring lung transplantation (LTx) may also have coronary artery disease (CAD). The peri-operative management and long-term outcomes of these patients is not well established. METHODS: Patients referred for LTx from 2008 to 2014 were included in this study. CAD was defined by angiography as no CAD (stenosis <20%), moderate CAD (20-69%) and significant CAD (stenosis ≥70%). Revascularization was per recommendations of local heart team. Post-operative cardiovascular outcomes and long-term survival are reported...
June 28, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28641354/-acute-liver-failure-acute-on-chronic-liver-failure-hepatorenal-syndrome-hepatopulmonary-syndrome-and-portopulmonary-hypertension-artificial-liver-support-on-the-icu
#11
Uwe Lodes, David Jacob, Frank Meyer
Background Acute hepatic dysfunction in the form of acute liver failure (ALF) or acute-on-chronic liver failure (ACLF) is a disease with a high risk of mortality and requires interdisciplinary intensive care. Aim This article explains the nomenclature, pathophysiology, prognosis and possible treatment options of ALF and ACLF, including the possibilities of extracorporeal liver support therapy at the point of liver transplantation (LTx). Method Narrative review with a selective literature review and representative case studies...
June 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28626871/a-successful-living-donor-liver-re-transplantation-for-graft-failure-within-seven-days-due-to-acute-de-novo-donor-specific-anti-hla-antibody-mediated-rejection
#12
Yohei Yamada, Ken Hoshino, Teisaburo Mori, Miho Kawaida, Kiyotomo Abe, Hideo Ishihama, Takahiro Shimizu, Nobuhiro Takahashi, Kentaro Matsubara, Taizo Hibi, Yuta Abe, Hiroshi Yagi, Naoki Shimojima, Masahiro Shinoda, Minoru Kitago, Hideaki Obara, Yasushi Fuchimoto, Kaori Kameyama, Yuko Kitagawa, Tatsuo Kuroda
Growing evidence suggests a relationship between antibody-mediated rejection (AMR) and early graft failure due to a previously unknown etiology in liver transplantation (LTx). We herein report a three-year-old boy who developed rapid graft failure due to de novo donor-specific antibody (DSA)-driven AMR a week after living donor LTx, requiring a second transplant on the 10th day after the first LTx. The pathology of the first graft showed massive necrosis in zone 3 along with positive C4d and inflammatory cell infiltrates in portal areas...
June 19, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28624031/lung-transplantation-with-lungs-from-older-donors-an-analysis-of-survival-in-elderly-recipients
#13
Jacob Katsnelson, Bryan A Whitson, Dmitry Tumin, Yazhini Ravi, Ahmet Kilic, Joseph D Tobias, Chittoor B Sai-Sudhakar, Don Hayes
BACKGROUND: The average ages of lung transplant (LTx) recipients and donors are increasing. With older recipients considered to be especially at high risk of posttransplant mortality, we sought to determine whether the use of allografts from older donors affects survival among older patients undergoing LTx. METHODS: The United Network for Organ Sharing registry was used to identify patients aged 65-80 y receiving a first-time LTx between 1987 and 2013. Survival analysis examined implications of a donor-recipient age difference >10 y using Cox proportional hazards regression...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28620643/activin-biology-after-lung-transplantation
#14
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/28601868/pulmonary-rehabilitation-outcomes-after-single-or-double-lung-transplantation-in-patients-with-chronic-obstructive-pulmonary-disease-or-interstitial-lung-disease
#15
Tessa Schneeberger, Rainer Gloeckl, Tobias Welte, Klaus Kenn
BACKGROUND: Pulmonary rehabilitation (PR) following lung transplantation (LTx) has been shown to be effective with regard to exercise capacity and health-related quality of life (HRQL). However, outcome data is limited with respect to LTx as a population. Differences concerning the effects of PR in patients with single LTx (SLTx) or double LTx (DLTx) have not been studied yet. OBJECTIVES: The aim was to compare possible differences concerning PR outcomes between SLTx and DLTx...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28590550/osi-027-modulates-acute-graft-versus-host-disease-after-liver-transplantation-in-a-rat-model
#16
Xiao Zhi, Fei Xue, Wei Chen, Chao Liang, Hao Liu, Tao Ma, Xuefeng Xia, Liqiang Hu, Xueli Bai, Tingbo Liang
Despite its rarity (1%-2%), acute graft-versus-host disease after liver transplantation (LTx-aGVHD) has a high mortality rate (85%). A gradual decrease in regulatory T cells (T-regs) correlates with disease progression in a rat LTx-GVHD model and treatments which increase T-regs exert therapeutic effects on LTx-aGVHD. In this study, LTx-aGVHD model rats were treated with rapamycin (RAPA), OSI-027 or an equal quantity of vehicle. Rats treated with OSI-027 survived longer (>100 days) than those in the RAPA (70±8 days) or control (24±3 days) groups...
June 7, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28580726/the-first-case-of-domino-split-liver-transplantation-in-maple-syrup-urine-disease
#17
Uta Herden, Jun Li, Lutz Fischer, Florian Brinkert, Martin Blohm, René Santer, Bjoern Nashan, Enke Grabhorn
The enzymatic defect in MSUD results in accumulation of neurotoxic metabolites of BCAAs. LTX has shown to be a feasible strategy in patients non-responsive to diet. Because of sufficient enzyme activity in extrahepatic tissues in healthy people, the MSUD liver graft is a suitable domino organ. We present the first case of a technical challenging ex situ split of a MSUD domino organ transplanted into two pediatric recipients. The domino graft donor was a 21-year-old female (58 kg) suffering from MSUD with recurrent metabolic decompensation despite strict diet...
June 5, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28571454/a-frequency-modulated-continuous-wave-reflectometer-for-the-lithium-tokamak-experiment
#18
S Kubota, R Majeski, W A Peebles, R E Bell, D P Boyle, R Kaita, T Kozub, M Lucia, E Merino, X V Nguyen, T L Rhodes, J C Schmitt
The frequency-modulated continuous-wave reflectometer on LTX (Lithium Tokamak Experiment) and the data analysis methods used for determining electron density profiles are described. The diagnostic uses a frequency range of 13.1-33.5 GHz, for covering a density range of 0.21-1.4×10(13) cm(-3) (in O-mode polarization) with a time resolution down to 8 μs. The design of the diagnostic incorporates the concept of an "optimized" source frequency sweep, which minimizes the large variation in the intermediate frequency signal due to a long dispersive transmission line...
May 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28557140/diet-quality-of-children-post-liver-transplantation-does-not-differ-from-healthy-children
#19
Abeer S Alzaben, Krista MacDonald, Cheri Robert, Andrea Haqq, Susan M Gilmour, Jason Yap, Diana R Mager
Little has been studied regarding the diets of children following LTX. The study aim was to assess and compare dietary intake and DQ of healthy children and children post-LTX. Children and adolescents (2-18 years) post-LTX (n=27) and healthy children (n=28) were studied. Anthropometric and demographic data and two 24-hour recalls (one weekend; one weekday) were collected. Intake of added sugar, HFCS, fructose, GI, and GL was calculated. DQ was measured using three validated DQ indices: the HEI-C, the DGI-CA, and the DQI-I...
May 29, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28552297/comparison-between-2-strategies-of-fluid-management-on-blood-loss-and-transfusion-requirements-during-liver-transplantation
#20
Nirmeen A Fayed, Khaled A Yassen, Ayat R Abdulla
OBJECTIVE: To compare the effects of low central venous pressure (LCVP) and transesophageal Doppler (TED)-guided fluid management on blood loss and blood transfusion during liver transplantation (LTx). DESIGN: Retrospective study. SETTING: Single institution, university hospital. PARTICIPANTS: Adult recipients of LTx. INTERVENTIONS: Two groups: control (LCVP G), n=45 with CVP maintained 40% lower than the preoperative value during the preanhepatic phase...
February 22, 2017: Journal of Cardiothoracic and Vascular Anesthesia
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