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https://www.readbyqxmd.com/read/28323904/pyrrolidine-dithiocarbamate-administered-during-ex-vivo-lung-perfusion-promotes-rehabilitation-of-injured-donor-rat-lungs-obtained-after-prolonged-warm-ischemia
#1
Cyril Francioli, Xingyu Wang, Roumen Parapanov, Etienne Abdelnour, Jérôme Lugrin, Fabrizio Gronchi, Jean Perentes, Philippe Eckert, Hans-Beat Ris, Lise Piquilloud, Thorsten Krueger, Lucas Liaudet
Damaged lung grafts obtained after circulatory death (DCD lungs) and warm ischemia may be at high risk of reperfusion injury after transplantation. Such lungs could be pharmacologically reconditioned using ex-vivo lung perfusion (EVLP). Since acute inflammation related to the activation of nuclear factor kappaB (NF-κB) is instrumental in lung reperfusion injury, we hypothesized that DCD lungs might be treated during EVLP by pyrrolidine dithiocarbamate (PDTC), an inhibitor of NF-κB. Rat lungs exposed to 1h warm ischemia and 2 h cold ischemia were subjected to EVLP during 4h, in absence (CTRL group, N = 6) or in presence of PDTC (2...
2017: PloS One
https://www.readbyqxmd.com/read/28318743/broadening-the-investigation-short-telomeres-and-lung-transplantation-outcomes-in-pulmonary-fibrosis
#2
EDITORIAL
Andrew Courtwright, Souheil El-Chemaly
No abstract text is available yet for this article.
February 28, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28316980/clinical-and-prognostic-significance-of-positive-hepatojugular-reflux-on-discharge-in-acute-heart-failure-insights-from-the-escape-trial
#3
Hesham R Omar, Maya Guglin
Background. There has been a decline in emphasis of the value of physical examination in heart failure (HF) with increased reliance on cardiac imaging. We aim to study the clinical and prognostic significance of positive hepatojugular reflux (HJR) on discharge in patients hospitalized with HF. Methods. Using the ESCAPE trial data, patients were compared according to the presence or absence of a positive HJR on discharge. The primary study endpoints were all-cause mortality and a composite endpoint of death, rehospitalization, and cardiac transplant during the first 6 months after discharge...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28316123/the-msc-adhesion-cascade-insights-into-homing-and-transendothelial-migration
#4
Franziska Nitzsche, Claudia Müller, Barbara Lukomska, Jukka Jolkkonen, Alexander Deten, Johannes Boltze
Mesenchymal stem cells (MSC) are promising candidates for adult cell therapies in regenerative medicine. To fully exert their potential, efficient homing and migration towards lesion sites plays an important role. Local transplantation deposits MSC in spatial proximity to the lesion, but often requires invasive procedures. Systemic administration routes are favored, but require the targeted extravasation of the circulating MSC at the site of injury. Transplanted MSC can indeed leave the blood flow and transmigrate through the endothelial barrier, and reach the lesion site...
March 18, 2017: Stem Cells
https://www.readbyqxmd.com/read/28315911/reproducibility-of-a-semi-quantitative-lobar-pulmonary-ventilation-and-perfusion-technique-using-spet-and-ct
#5
Esber N El-Barhoun, Ghee Chew, Benjamin Crouch, Barry Chatterton
OBJECTIVE: Evaluation of regional lung function is valuable prior to lung surgery in patients with chronic lung disease. Our aim was to evaluate the reproducibility of a locally developed single photon emission tomography/computed tomography (SPET/CT) programme between and within three observers in assessing lobar pulmonary volumes, perfusion and ventilation. SUBJECTS AND METHODS: Twelve lung transplantation candidates had VQ SPET and diagnostic CT to determine lobar pulmonary function and plan surgery...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28314706/characteristics-and-outcomes-of-heart-failure-related-hospitalization-in-adults-with-congenital-heart-disease
#6
Nidhal Ben Moussa, Clement Karsenty, Florence Pontnau, Sophie Malekzadeh-Milani, Younes Boudjemline, Antoine Legendre, Damien Bonnet, Laurence Iserin, Magalie Ladouceur
BACKGROUND: Heart failure (HF) is the main cause of death in adult congenital heart disease (ACHD). AIMS: We aimed to characterize HF-related hospitalization of patients with ACHD, and to determine HF risk factors and prognosis in this population. METHODS: We prospectively included 471 patients with ACHD admitted to our unit over 24 months. Clinical and biological data and HF management were recorded. Major cardiovascular events were recorded for ACHD with HF...
March 14, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28302503/the-giessen-pulmonary-hypertension-registry-survival-in-pulmonary-hypertension-subgroups
#7
Henning Gall, Janine F Felix, Franziska K Schneck, Katrin Milger, Natascha Sommer, Robert Voswinckel, Oscar H Franco, Albert Hofman, Ralph T Schermuly, Norbert Weissmann, Friedrich Grimminger, Werner Seeger, Hossein A Ghofrani
BACKGROUND: Pulmonary hypertension (PH) is a severe, progressive disease. Although 5 PH subgroups are recognized, reports on survival have focused mainly on pulmonary arterial hypertension (PAH). METHODS: Long-term transplant-free survival and its determinants were investigated in patients with PH (diagnosed by right heart catheterization) within a prospective registry at a single referral center in Giessen, Germany. RESULTS: In total, 2,067 patients were enrolled (PAH, 685 patients [33...
February 17, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28301945/the-utility-of-the-macro-aggregated-albumin-lung-perfusion-scan-in-the-diagnosis-and-prognosis-of-hepatopulmonary-syndrome-in-cirrhotic-patients-candidates-for-liver-transplantation
#8
Israel Grilo Bensusan, Juan Manuel Pascasio, Juan Luis Tirado, Francisco-Jesús López-Pardo, Francisco Ortega-Ruiz, José Manuel Sousa, María José Rodríguez-Puras, María Teresa Ferrer, Miguel Ángel Gómez-Bravo, Antonio Grilo Reina
BACKGROUND: The macro-aggregated albumin lung perfusion scan (99mTc-MAA) is a diagnostic method for hepatopulmonary syndrome (HPS). GOAL: To determine the sensitivity of 99mTc-MAA in diagnosing HPS, to establish the utility of 99mTc-MAA in determining the influence of HPS on hypoxemia in patients with concomitant pulmonary disease and to determine the correlation between 99mTc-MAA values and other respiratory parameters. METHODS: Data from 115 cirrhotic patients who were eligible for liver transplantation (LT) were prospectively analyzed...
March 17, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28299615/remote-monitoring-in-heart-failure-the-current-state
#9
REVIEW
Rajeev C Mohan, J Thomas Heywood, Roy S Small
The treatment of congestive heart failure is an expensive undertaking with much of this cost occurring as a result of hospitalization. It is not surprising that many remote monitoring strategies have been developed to help patients maintain clinical stability by avoiding congestion. Most of these have failed. It seems very unlikely that these failures were the result of any one underlying false assumption but rather from the fact that heart failure is a progressive, deadly disease and that human behavior is hard to modify...
March 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28298961/transplant-pulmonary-interventions-translating-lung-transplant-interventions-to-nontransplant-patients
#10
Neeraj Sinha
Roughly 10% of lung transplant recipients experience airway complications. Although the incidence has decreased dramatically since the first lung transplants were performed in the 1960s, airway complications have continued to adversely affect outcomes. Bronchoscopic interventions such as balloon dilation, airway stenting, and endobronchial electrocautery play an important role in ameliorating the morbidity and mortality associated with these complications. This review describes the array of bronchoscopic interventions used to treat airway complications after lung transplant and how these techniques can be used in nontransplant settings as well...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28298957/the-intersection-of-pulmonary-hypertension-and-solid-organ-transplantation
#11
Adaani E Frost
Pulmonary hypertension (PH) is a complication and marker of disease severity in many parenchymal lung diseases. It also is a frequent complication of portal hypertension and negatively impacts survival with liver transplant. Pulmonary hypertension is frequently diagnosed in patients with end-stage renal disease who are undergoing dialysis, and it has recently been demonstrated to adversely affect posttransplant outcome in this patient population even though the mechanism of PH is substantially different from that associated with liver disease...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28297588/oncostatin-m-preconditioned-mesenchymal-stem-cells-alleviate-bleomycin-induced-pulmonary-fibrosis-through-paracrine-effects-of-the-hepatocyte-growth-factor
#12
Ying-Wei Lan, Si-Min Theng, Tsung-Teng Huang, Kong-Bung Choo, Chuan-Mu Chen, Han-Pin Kuo, Kowit-Yu Chong
Mesenchymal stem cells (MSCs) are widely considered for treatment of pulmonary fibrosis based on the anti-inflammatory, antifibrotic, antiapoptotic, and regenerative properties of the cells. Recently, elevated levels of oncostatin M (OSM) have been reported in the bronchoalveolar lavage fluid of a pulmonary fibrosis animal model and in patients. In this work, we aimed to prolong engrafted MSC survival and to enhance the effectiveness of pulmonary fibrosis transplantation therapy by using OSM-preconditioned MSCs...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28296181/-white-out-after-lung-transplantation-a-multicentre-cohort-description-of-late-acute-graft-failure
#13
Stijn E Verleden, Jens Gottlieb, Adriana Dubbeldam, Geert M Verleden, Hendrik Suhling, Tobias Welte, Robin Vos, Mark Greer
Graft failure represents a leading cause of mortality following organ transplantation. Acute late-onset graft failure has not been widely reported. This paper describes the demographics, CT imaging pathology findings and treatment of patients presenting with the latter. A retrospective review of lung transplant recipients at 2 large-volume centres was performed. Acute late-onset graft failure was defined as sudden onset of bilateral infiltrates with an oxygenation index <200 without identifiable cause or concurrent extra-pulmonary organ failure...
March 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28295946/feasibility-and-interpretation-of-global-longitudinal-strain-imaging-in-pediatric-heart-transplant-recipients
#14
Bethany L Wisotzkey, Neal W Jorgensen, Erin L Albers, Mariska S Kemna, Robert J Boucek, Richard A Kronmal, Yuk M Law, Aarti H Bhat
Evaluation of myocardial mechanics after heart transplant is important in monitoring allograft function and identifying rejection. Speckle tracking global longitudinal strain (GLS) may be more sensitive to early regional changes from rejection. This study aimed to determine feasibility of GLS in pediatric hearts during surveillance echocardiograms, compare their GLS to published norms (-18% to -22%), and assess association of GLS with other indices of graft function. Retrospective review of transplant echocardiograms from 2013 to 2014...
March 10, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28293402/treosulfan-based-conditioning-regimen-in-sibling-and-alternative-donor-hematopoietic-stem-cell-transplantation-for-children-with-sickle-cell-disease
#15
Antonio Marzollo, Elisabetta Calore, Manuela Tumino, Marta Pillon, Maria Vittoria Gazzola, Roberta Destro, Raffaella Colombatti, Piero Marson, Tiziana Tison, Anna Colpo, Chiara Mainardi, Maria Gabelli, Maria Paola Boaro, Sara Rossin, Aurora Strano, Nadia Quaglia, Federica Menzato, Giuseppe Basso, Laura Sainati, Chiara Messina
BACKGROUND AND OBJECTIVES: Lack of suitable donors and regimen related toxicity are major barriers for hematopoietic stem cell transplantation (HSCT) in patients with sickle cell disease (SCD). The aim of the study is the assessment of efficacy and toxicity of Treosulfan-based conditioning regimen for SCD also when alternative donors such as mismatched unrelated donor and haploidentical donor are employed. METHODS: We report our single-center experience: 11 patients with SCD received HSCT with a Treosulfan/Thiotepa/Fludarabine/Anti-thymoglobulin conditioning regimen between 2010 and 2015...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28291795/experimental-chronic-kidney-disease-attenuates-ischemia-reperfusion-injury-in-an-ex-vivo-rat-lung-model
#16
Chung-Kan Peng, Kun-Lun Huang, Chou-Chin Lan, Yu-Juei Hsu, Geng-Chin Wu, Chia-Hui Peng, Chin-Pyng Wu, Khee-Siang Chan
Lung ischemia reperfusion injury (LIRI) is one of important complications following lung transplant and cardiopulmonary bypass. Although patients on hemodialysis are still excluded as lung transplant donors because of the possible effects of renal failure on the lungs, increased organ demand has led us to evaluate the influence of chronic kidney disease (CKD) on LIRI. A CKD model was induced by feeding Sprague-Dawley rats an adenine-rich (0.75%) diet for 2, 4 and 6 weeks, and an isolated rat lung in situ model was used to evaluate ischemia reperfusion (IR)-induced acute lung injury...
2017: PloS One
https://www.readbyqxmd.com/read/28290794/-hemodynamic-derangements-in-patients-with-functional-univentricular-heart-mechanisms-of-development-possibilities-of-treatment
#17
I A Kovalev, S Ovroutski, I V Plotnikova, A A Tupikina
Heart failure (HF) is a predictable outcome of nearly all cardiovascular diseases including congenital heart diseases (CHD). A special category comprises patients with functional single ventricle (FSV) of the heart because of extreme diversity of anatomical changes of the heart and great vessels, complex mechanisms of development of HF, multistage surgical correction of the defect, presence of arrhythmias, progressive rise of pulmonary vascular resistance, etc. Prevention and treatment of HF in patients with FSV includes surgical optimization of pulmonary blood flow during neonatal period, timely staged surgical correction of the defect, pharmacotherapy, cardiac resynchronization therapy, and in severe cases mechanical cardiac support and heart transplantation...
February 2017: Kardiologiia
https://www.readbyqxmd.com/read/28289675/humoral-immunodeficiency-with-hypotonia-feeding-difficulties-enteropathy-and-mild-eczema-caused-by-a-classical-foxp3-mutation
#18
Paul Tuijnenburg, Eloy Cuadrado, Annet M Bosch, Angelika Kindermann, Machiel H Jansen, Marielle Alders, Ester M M van Leeuwen, Taco W Kuijpers
We describe here the case of a boy who presented with pulmonary infections, feeding difficulties due to velopharyngeal insufficiency and gastroesophageal reflux, myopathy, and hypotonia soon after birth. Later, he was also found to have an elevated immunoglobulin (Ig) E and mild eczema and was diagnosed with inflammatory bowel disease. Further immunological screening at the age of 7 years showed low B and NK cell numbers but normal CD4(+) and CD8(+) T cells and notably, normal numbers of CD4(+) regulatory T (Treg) cells...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28289144/staphylococcus-aureus-survives-in-cystic-fibrosis-macrophages-forming-a-reservoir-for-chronic-pneumonia
#19
Cao Li, Yuqing Wu, Andrea Riehle, Jie Ma, Markus Kamler, Erich Gulbins, Heike Grassmé
Staphylococcus aureus (S. aureus) plays an important role in sepsis, pneumonia, wound infections and cystic fibrosis (CF), which is caused by mutations of the cystic fibrosis transmembrane conductance regulator (Cftr). Pulmonary S. aureus infections in CF often occur very early and prior to colonization with other pathogens, in particular Pseudomonas aeruginosa Here, we demonstrate that CF mice are highly susceptible to pulmonary infections with S. aureus and fail to clear the pathogen during infection. S. aureus is internalized by Cftr-deficient macrophages in the lung, but these macrophages are unable to kill intracellular bacteria...
March 13, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28289017/activated-tafi-promotes-the-development-of-chronic-thromboembolic-pulmonary-hypertension-a-possible-novel-therapeutic-target
#20
Taijyu Satoh, Kimio Satoh, Nobuhiro Yaoita, Nobuhiro Kikuchi, Junichi Omura, Ryo Kurosawa, Kazuhiko Numano, Elias Al-Mamun, Mohammad Abdul Hai Siddique, Shinichiro Sunamura, Masamichi Nogi, Kota Suzuki, Satoshi Miyata, John Morser, Hiroaki Shimokawa
Rationale: Pulmonary hypertension (PH) is a fatal disease; however, its pathogenesis still remains to be elucidated. Thrombin-activatable fibrinolysis inhibitor (TAFI) is synthesized by the liver and inhibits fibrinolysis. Plasma TAFI levels are significantly increased in chronic thromboembolic PH (CTEPH) patients. Objective: To determine the role of activated TAFI (TAFIa) in the development of CTEPH. Methods and Results: Immunostaining showed that TAFI and its binding partner thrombomodulin (TM) were highly expressed in the pulmonary arteries (PA) and thrombus in patients with CTEPH...
March 13, 2017: Circulation Research
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