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Lung transplant

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https://www.readbyqxmd.com/read/28721353/hepatitis-e-virus-associated-meningoencephalitis-in-a-lung-transplant-recipient-diagnosed-by-clinical-metagenomic-sequencing
#1
Jamie A Murkey, Kara W Chew, Margrit Carlson, Chelsea L Shannon, Deepika Sirohi, Hannah A Sample, Michael R Wilson, Paul Vespa, Romney M Humphries, Steve Miller, Jeffrey D Klausner, Charles Y Chiu
Hepatitis E virus (HEV) infection uncommonly causes chronic hepatitis and neurologic disease. We describe a case of genotype 3a HEV meningoencephalitis diagnosed by metagenomic next-generation sequencing, illustrating the power of an unbiased molecular approach to microbial testing and the first reported case of HEV infection presumably acquired through lung transplantation.
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28721035/intracellular-interactions-of-umeclidinium-and-vilanterol-in-human-airway-smooth-muscle
#2
Nooreen Shaikh, Malcolm Johnson, David A Hall, Kian Fan Chung, John H Riley, Sally Worsley, Pankaj K Bhavsar
BACKGROUND: Intracellular mechanisms of action of umeclidinium (UMEC), a long-acting muscarinic receptor antagonist, and vilanterol (VI), a long-acting β2-adrenoceptor (β2R) agonist, were investigated in target cells: human airway smooth-muscle cells (ASMCs). MATERIALS AND METHODS: ASMCs from tracheas of healthy lung-transplant donors were treated with VI, UMEC, UMEC and VI combined, or control compounds (salmeterol, propranolol, ICI 118.551, or methacholine [MCh])...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28720146/analysis-of-long-term-cd4-cd25highcd127-t-reg-cells-kinetics-in-peripheral-blood-of-lung-transplant-recipients
#3
Davide Piloni, Monica Morosini, Sara Magni, Alice Balderacchi, Luigia Scudeller, Emanuela Cova, Tiberio Oggionni, Giulia Stella, Carmine Tinelli, Filippo Antonacci, Andrea Maria D'Armini, Federica Meloni
BACKGROUND: The role of CD4(+)CD25(high)CD127(-) T-reg cells in solid-organ Transplant (Tx) acceptance has been extensively studied. In previous studies on kidney and liver recipients, peripheral T-reg cell counts were associated to graft survival, while in lung Tx, there is limited evidence for similar findings. This study aims to analyze long term peripheral kinetics of T-reg-cells in a cohort of lung recipients and tests its association to several clinical variables. METHODS: From jan 2009 to dec 2014, 137 lung Tx recipients were submitted to an immunological follow up (median: 105...
July 18, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28719755/clinical-risk-factors-and-prognostic-model-for-primary-graft-dysfunction-after-lung-transplantation-in-patients-with-pulmonary-hypertension
#4
Mary K Porteous, James C Lee, David J Lederer, Scott M Palmer, Edward Cantu, Rupal J Shah, Scarlett L Bellamy, Vibha N Lama, Sangeeta M Bhorade, Maria M Crespo, John F McDyer, Keith M Wille, A Russell Localio, Jonathan B Orens, Pali D Shah, Ann B Weinacker, Selim Arcasoy, David S Wilkes, Lorraine B Ware, Jason D Christie, Steven M Kawut, Joshua M Diamond
RATIONALE: Pulmonary hypertension from pulmonary arterial hypertension or parenchymal lung disease is associated with an increased risk of primary graft dysfunction after lung transplantation. OBJECTIVE: We evaluated the clinical determinants of severe primary graft dysfunction in pulmonary hypertension and developed and validated a prognostic model. METHODS: We conducted a retrospective cohort study of patients in the multi-center Lung Transplant Outcomes Group with pulmonary hypertension at transplant listing...
July 18, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28719552/immune-checkpoint-inhibitors-in-organ-transplant-patients
#5
Adam S Kittai, Hayden Oldham, Jeremy Cetnar, Matthew Taylor
Modulation of T-cell activity through blockade of coinhibitory molecules has revolutionized the treatment of various malignancies. Several immune checkpoint inhibitors are currently Food and Drug Administration approved which target various coinhibitory pathways including cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), programmed death 1 receptor (PD-1), and programmed cell death ligand-1. Clinical trials that lead to the Food and Drug Administration approval of these agents often excluded patients with an organ transplant...
July 17, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28719441/fourteen-day-in-vivo-testing-of-a-compliant-thoracic-artificial-lung
#6
David J Skoog, Joshua R Pohlmann, David S Demos, Christopher N Scipione, Amit Iyengar, Rebecca E Schewe, Ahmed B Suhaib, Kelly L Koch, Keith E Cook
The compliant thoracic artificial lung (cTAL) has been studied in acute in vivo and in vitro experiments. The cTAL's long-term function and potential use as a bridge to lung transplantation are assessed presently. The cTAL without anticoagulant coatings was attached to sheep (n = 5) via the pulmonary artery and left atrium for 14 days. Systemic heparin anticoagulation was used. Compliant thoracic artificial lung resistance, cTAL gas exchange, hematologic parameters, and organ function were recorded. Two sheep were euthanized for nondevice-related issues...
July 14, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28719147/human-immunology-studies-using-organ-donors-impact-of-clinical-variations-on-immune-parameters-in-tissues-and-circulation
#7
D J Carpenter, T Granot, N Matsuoka, T Senda, B V Kumar, J J C Thome, C L Gordon, M Miron, J Weiner, T Connors, H Lerner, A Friedman, T Kato, A D Griesemer, D L Farber
Organ donors are sources of physiologically healthy organs and tissues for life-saving transplantation, and have been recently used for human immunology studies which are typically confined to the sampling of peripheral blood. Donors comprise a diverse population with different causes of death and clinical outcomes during hospitalization, and the effects of such variations on immune parameters in blood and tissues are not known. We present here coordinate analyses of innate and adaptive immune components in blood, lymphoid (bone marrow, spleen, lymph nodes), and mucosal (lungs, intestines) sites from a population of brain-dead organ donors (3-months-93-years; n=291) across eight clinical parameters...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28719135/multiple-breath-washout-in-paediatric-patients-after-lung-transplantation
#8
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/28718917/proliferation-of-elastic-fibers-in-idiopathic-pulmonary-fibrosis-a-whole-slide-image-analysis-and-comparison-with-pleuroparenchymal-fibroelastosis
#9
Yoshiaki Kinoshita, Kentaro Watanabe, Hiroshi Ishii, Hisako Kushima, Masaki Fujita, Kazuki Nabeshima
BACKGROUND: We occasionally encounter patients with idiopathic pulmonary fibrosis (IPF) who have similar imaging patterns to pleuroparenchymal fibroelastosis (PPFE) in the upper lung fields but are not diagnosed as PPFE clinically. The clinicopathological features and intrapulmonary distribution of elastic fibers and collagen fibers in these patients have not been fully elucidated. METHODS: We retrospectively reviewed the medical records of patients with a clinical diagnosis of IPF and selected the consecutive patients who received autopsy or pneumonectomy for lung transplantation...
July 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28716440/removal-notice-to-617-candida-colonization-is-associated-with-improved-survival-after-lung-transplant-j-heart-lung-transplant-36-2017-s238
#10
J S Green, R Brown, T Umeda, K Rudser, S Elde, J M Roberts, M I Hertz, G Loor, J H Young, R Tomic
No abstract text is available yet for this article.
August 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28716387/respiratory-virus-prior-to-hematopoietic-cell-transplantation-is-associated-with-allo-immune-mediated-lung-syndromes
#11
Birgitta Versluys, Marc Bierings, Jean Luc Murk, Tom Wolfs, Caroline Lindemans, Kors Vd Ent, Jaap Jan Boelens
BACKGROUND: Allo-immune mediated lung syndromes (allo-LS) are life-threatening complications after hematopoietic cell transplantation (HCT). Respiratory virus (RV) has been suggested to play a role in the pathogenesis. OBJECTIVE: We studied the relation between RV-DNA/RNA detection in upper/lower airway before HCT and the occurrence of allo-LS. METHODS: We retrospectively analyzed all HCT recipients between 2004 and 2014, in whom Real-Time PCR for RV was done from Nasal-Pharyngeal-Aspirates (NPA) and Broncho-Alveolar- Lavage (BAL) before HCT...
July 14, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28713380/targeting-the-human-t-cell-inducible-costimulator-molecule-with-a-monoclonal-antibody-prevents-graft-vs-host-disease-and-preserves-graft-vs-leukemia-in-a-xenograft-murine-model
#12
Aude Burlion, Simon Brunel, Nicolas Y Petit, Daniel Olive, Gilles Marodon
BACKGROUND: Graft-vs-host disease (GVHD) is a major complication of allogenic bone marrow transplantation (BMT). Targeting costimulatory molecules with antagonist antibodies could dampen the excessive immune response that occurs, while preserving the beneficial graft vs leukemia (GVL) of the allogeneic response. Previous studies using a mouse model of GVHD have shown that targeting the T-cell Inducible COStimulator (ICOS, CD278) molecule is beneficial, but it is unclear whether the same applies to human cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28712677/extracorporeal-membrane-oxygenation-following-lung-transplantation-indications-and-survival
#13
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/28712587/clinical-implications-of-donor-age-a-single-institution-analysis-spanning-3%C3%A2-decades
#14
Christopher T Holley, Rosemary F Kelly, Sara J Shumway, Roland Z Brown, Marshall I Hertz, Kyle D Rudser, Coco W Quinlan, Irena Cich, Gabriel Loor
BACKGROUND: We sought to clarify the effect of donor age as a continuous variable on morbidity and mortality in a single-institution experience. METHODS: From 1986 to 2016, 882 adult lung transplants were performed, including 396 in the lung allocation score era. Kaplan-Meier curves and Cox proportional hazards models were used to evaluate the association of donor age with overall survival and bronchiolitis obliterans syndrome (BOS) score ≥1-free survival. Logistic regression was used to evaluate the association with primary graft dysfunction grade 3...
June 17, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28711221/the-evolution-of-lung-transplantation-for-cystic-fibrosis-a-2017-update
#15
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/28710580/assessment-of-acute-kidney-injury-with-t1-mapping-mri-following-solid-organ-transplantation
#16
Matti Peperhove, Van Dai Vo Chieu, Mi-Sun Jang, Marcel Gutberlet, Dagmar Hartung, Susanne Tewes, Gregor Warnecke, Christiane Fegbeutel, Axel Haverich, Wilfried Gwinner, Frank Lehner, Jan Hinrich Bräsen, Hermann Haller, Frank Wacker, Faikah Gueler, Katja Hueper
OBJECTIVES: To evaluate T1 mapping as a non-invasive, functional MRI biomarker in patients shortly after solid organ transplantation to detect acute postsurgical kidney damage and to correlate T1 times with renal function. METHODS: 101 patients within 2 weeks after solid organ transplantation (49 kidney transplantation, 52 lung transplantation) and 14 healthy volunteers were examined by MRI between July 2012 and April 2015 using the modified Look-Locker inversion recovery (MOLLI) sequence...
July 14, 2017: European Radiology
https://www.readbyqxmd.com/read/28708843/prevalence-of-respiratory-viruses-among-adults-by-season-age-respiratory-tract-region-and-type-of-medical-unit-in-paris-france-from-2011-to-2016
#17
Benoit Visseaux, Charles Burdet, Guillaume Voiriot, François-Xavier Lescure, Taous Chougar, Olivier Brugière, Bruno Crestani, Enrique Casalino, Charlotte Charpentier, Diane Descamps, Jean-François Timsit, Yazdan Yazdanpanah, Nadhira Houhou-Fidouh
BACKGROUND: Multiplex PCR tests have improved our understanding of respiratory viruses' epidemiology by allowing their wide range detection. We describe here the burden of these viruses in hospital settings over a five-year period. METHODS: All respiratory samples from adult patients (>20 years old) tested by multiplex-PCR at the request of physicians, from May 1 2011 to April 30 2016, were included retrospectively. Viral findings are reported by season, patient age group, respiratory tract region (upper or lower) and type of clinical unit (intensive care unit, pneumology unit, lung transplantation unit and other medical units)...
2017: PloS One
https://www.readbyqxmd.com/read/28706973/splenocyte-infusion-and-whole-body-irradiation-for-induction-of-peripheral-tolerance-in-porcine-lung-transplantation-modifications-of-the-preconditioning-regime-for-improved-clinical-feasibility
#18
Katharina Jansson, Karla Dreckmann, Wiebke Sommer, Murat Avsar, Jawad Salman, Thierry Siemeni, Ann-Kathrin Knöfel, Linda Pauksch, Jens Gottlieb, Jörg Frühauf, Martin Werner, Danny Jonigk, Martin Strüber, Axel Haverich, Gregor Warnecke
BACKGROUND: Preoperative low-dose whole-body irradiation (IRR) with 1.5 and 7 Gy thymic IRR of the recipient, combined with a perioperative donor splenocyte infusion lead to reliable donor specific peripheral tolerance in our allogeneic porcine lung transplantation model. To reduce the toxicity of this preconditioning regime, modifications of the IRR protocol and their impact on allograft survival were assessed. METHODS: Left-sided single lung transplantation from major histocompatibility complex and sex mismatched donors was performed in 14 adult female minipigs...
July 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28706856/disseminated-nocardia-cyriacigeorgia-causing-pancreatitis-in-a-haploidentical-stem-cell-transplant-recipient
#19
Jason Chen, Jonathan Pan, Joanne Filicko-O'Hara, Margaret Kasner, Phyllis Flomenberg
We report the first published case of acute pancreatitis secondary to disseminated nocardiosis in a hematopoietic stem cell transplant (HSCT) recipient on chronic immunosuppression for graft-versus-host disease (GVHD). Nocardiosis in the HSCT population is relatively rare, and has not yet been described in haploidentical HSCT recipients. Our patient is a 28-year-old male with a history of haploidentical HSCT and GVHD of the skin and lung who was admitted to the hospital with acute pancreatitis. The workup for the etiology of his pancreatitis was initially unrevealing...
2017: IDCases
https://www.readbyqxmd.com/read/28705645/assessing-the-impact-of-program-volume-and-composition-on-waiting-list-outcomes-in-pediatric-lung-transplantation
#20
EDITORIAL
Stuart C Sweet
No abstract text is available yet for this article.
June 21, 2017: Journal of Heart and Lung Transplantation
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