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https://www.readbyqxmd.com/read/28527964/impact-of-high-priority-allocation-on-lung-and-heart-lung-transplantation-for-pulmonary-hypertension
#1
Laurent Savale, Jérôme Le Pavec, Olaf Mercier, Sacha Mussot, Xavier Jaïs, Dominique Fabre, Caroline O'Connell, David Montani, François Stephan, Olivier Sitbon, Gérald Simonneau, Philippe Dartevelle, Marc Humbert, Elie Fadel
BACKGROUND: Since 2006 and 2007, patients in France with severe pulmonary hypertension (PH) who are at imminent risk of death, despite optimal treatment in the intensive care unit, are placed on a high-priority list (HPL) for heart-lung transplantation (HLT) or double-lung transplantation (DLT). We assessed the effect of this approach on the waiting list and outcomes after transplantation. METHODS: We conducted a single-center, retrospective, before-and-after study of consecutive patients with severe group 1, 1', or 4 PH listed for DLT or HLT between 2000 and 2013 (ie, 6 years before and 6 years after HPL implementation)...
May 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28510115/application-of-decellularized-tissue-scaffolds-in-ovarian-tissue-transplantation
#2
Enes Taylan, Kutluk Oktay
In tissue engineering, decellularized scaffolds have been proved to have remarkable capacity to promote regeneration in various organs such as kidney, heart, lung, and liver. Marrying the field of cryobiology and reproductive medicine resulted in considerable progress and breakthroughs, which led to the emergence of ovarian tissue cryopreservation and transplantation as a promising option for fertility preservation. Here we describe an innovative application of decellularized tissue scaffolds as a regenerative platform for reconstruction of ovarian grafts for auto-transplantation...
May 17, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28505026/combined-heart-lung-transplantation-an-updated-review-of-the-current-literature
#3
Shravani Pasupneti, Gundeep Dhillon, Bruce Reitz, Kiran Khush
Heart lung transplantation is a viable treatment option for patients with many end stage heart and lung pathologies. However, given the complex nature of the procedure, it is imperative that patients are selected appropriately and the clinician is aware of the many unique aspects in management of this population. This review seeks to describe updated organ selection policies, peri and postoperative management strategies, monitoring of graft function, and clinical outcomes for patients following combined heart-lung transplantation in the current era...
May 13, 2017: Transplantation
https://www.readbyqxmd.com/read/28487787/ebv-negative-monomorphic-b-cell-posttransplant-lymphoproliferative-disorder-with-marked-morphologic-pleomorphism-and-pathogenic-mutations-in-asxl1-bcor-cdkn2a-nf1-and-tp53
#4
Agata M Bogusz
Posttransplant lymphoproliferative disorders (PTLDs) are a diverse group of lymphoid or plasmacytic proliferations frequently driven by Epstein-Barr virus (EBV). EBV-negative PTLDs appear to represent a distinct entity. This report describes an unusual case of a 33-year-old woman that developed a monomorphic EBV-negative PTLD consistent with diffuse large B-cell lymphoma (DLBCL) 13 years after heart-lung transplant. Histological examination revealed marked pleomorphism of the malignant cells including nodular areas reminiscent of classical Hodgkin lymphoma (cHL) with abundant large, bizarre Hodgkin-like cells...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28487045/pentraxin-3-levels-in-bronchoalveolar-lavage-fluid-of-lung-transplant-recipients-with-invasive-aspergillosis
#5
Dima Kabbani, Archana Bhaskaran, Lianne G Singer, Alyajahan Bhimji, Coleman Rotstein, Shaf Keshavjee, W Conrad Liles, Shahid Husain
BACKGROUND: Invasive aspergillosis is the most common invasive fungal infection in lung transplant recipients. The use of galactomannan testing in bronchoalveolar lavage (BAL) fluid has improved diagnosis of invasive aspergillosis; however, false-positive results can lead to overdiagnosis and unnecessary treatment. The use of proinflammatory markers such as pentraxin 3 (PTX3) may help differentiate between Aspergillus colonization and disease. METHODS: BAL PTX3 concentrations were measured by enzyme-linked immunosorbent assay in 151 lung transplant recipients and 9 healthy control subjects...
April 19, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28480277/epidemiology-of-cryptococcosis-and-cryptococcal-meningitis-in-a-large-retrospective-cohort-of-patients-after-solid-organ-transplantation
#6
Ige A George, Carlos A Q Santos, Margaret A Olsen, William G Powderly
BACKGROUND: Cryptococcosis is the third most common invasive fungal infection in solid organ transplant (SOT) recipients. There are no nationally representative data describing the incidence, risk factors, and outcomes of cryptococcosis after SOT. METHODS: We assembled a large cohort of adult SOT recipients using Classification of Diseases, Ninth Revision, Clinical Modification billing data from Healthcare Cost and Utilization Project State Inpatient Databases of Florida (2006-2012), New York (2006-2011), and California (2004-2010)...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28476472/adverse-outcomes-associated-with-pulmonary-hypertension-in-chronic-obstructive-pulmonary-disease-after-bilateral-lung-transplantation
#7
Don Hayes, Dmitry Tumin, Maria M Budev, Joseph D Tobias, Roy C St John, Jasleen Kukreja
BACKGROUND: The impact of pulmonary hypertension (PH) in chronic obstructive pulmonary disease (COPD) on survival after lung transplantation (LTx) is not known. MATERIAL AND METHODS: First-time adult LTx recipients with COPD transplanted between May 2005 and September 2013 were identified in the United Network for Organ Sharing Registry database, and tracked from transplant date until death or censoring. Right heart catheterization (RHC) measurements at time of wait listing were used to predict all-cause mortality after LTx, with multivariable analyses stratified by transplant type...
April 22, 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28469087/models-of-lung-transplant-research-a-consensus-statement-from-the-national-heart-lung-and-blood-institute-workshop
#8
REVIEW
Vibha N Lama, John A Belperio, Jason D Christie, Souheil El-Chemaly, Michael C Fishbein, Andrew E Gelman, Wayne W Hancock, Shaf Keshavjee, Daniel Kreisel, Victor E Laubach, Mark R Looney, John F McDyer, Thalachallour Mohanakumar, Rebecca A Shilling, Angela Panoskaltsis-Mortari, David S Wilkes, Jerry P Eu, Mark R Nicolls
Lung transplantation, a cure for a number of end-stage lung diseases, continues to have the worst long-term outcomes when compared with other solid organ transplants. Preclinical modeling of the most common and serious lung transplantation complications are essential to better understand and mitigate the pathophysiological processes that lead to these complications. Various animal and in vitro models of lung transplant complications now exist and each of these models has unique strengths. However, significant issues, such as the required technical expertise as well as the robustness and clinical usefulness of these models, remain to be overcome or clarified...
May 4, 2017: JCI Insight
https://www.readbyqxmd.com/read/28466117/invasive-hemodynamic-assessment-of-patients-with-heart-failure-and-pulmonary-hypertension
#9
REVIEW
Rupa K Patil, Parag Goyal, Rajesh V Swaminathan, Luke K Kim, Dmitriy N Feldman
Right heart catheterization (RHC) with a pulmonary artery (PA) catheter is a minimally invasive method of obtaining hemodynamic data (e.g., right atrial and pulmonary pressures, cardiac output, pulmonary vascular resistance), which are used to diagnose and manage patients with advanced heart failure (HF), HF with preserved ejection fraction, and pulmonary hypertension (PH). Invasive hemodynamic data obtained from RHC can aid in the prognostication of HF and PH patients and are important in guiding decisions of implanting mechanical circulatory support devices and listing patients for heart and/or lung transplantation...
June 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28463861/everolimus-immunosuppression-for-renal-protection-reduction-of-allograft-vasculopathy-and-prevention-of-allograft-rejection-in-de-novo-heart-transplant-recipients-could-we-have-it-all
#10
Einar Gude, Lars Gullestad, Arne K Andreassen
PURPOSE OF REVIEW: De-novo introduction of everolimus (Eve) in heart transplant recipients opens for early reduction of calcineurin inhibitors (CNI) and potential of preserving renal function, attenuate progression of coronary allograft vasculopathy (CAV) and maintain rejection efficacy. RECENT FINDINGS: The first trials demonstrated adequate rejection prophylaxis and favorable outcomes on CAV, but observed enhanced nephrotoxicity because of insufficient CNI reduction...
June 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28457698/cajita-ma-denhaerynck-k-dobbels-f-berben-l-russell-cl-davidson-pm-health-literacy-in-heart-transplantation-prevalence-correlates-and-associations-with-health-behaviors-findings-from-the-international-bright-study-j-heart-lung-transplant-2017-36-3-272-79
#11
https://www.readbyqxmd.com/read/28457522/lung-transplantation-for-flna-associated-progressive-lung-disease
#12
Lindsay C Burrage, R Paul Guillerman, Shailendra Das, Shipra Singh, Deborah A Schady, Shaine A Morris, Magdalena Walkiewicz, Marc G Schecter, Jeffrey S Heinle, Timothy E Lotze, Seema R Lalani, George B Mallory
OBJECTIVE: To describe a series of patients with pathogenic variants in FLNA and progressive lung disease necessitating lung transplantation. STUDY DESIGN: We conducted a retrospective chart review of 6 female infants with heterozygous presumed loss-of-function pathogenic variants in FLNA whose initial presentation was early and progressive respiratory failure. RESULTS: Each patient received lung transplantation at an average age of 11 months (range, 5-15 months)...
April 28, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28457417/incidence-and-mortality-by-cancer-in-patients-after-lung-transplantation-in-a-brazilian-institution
#13
M Schettini-Soares, O G Júnior, H F Costa, L M Fernandes, L G Abdalla, S V Campos, R H O B Teixeira, M N Samano, P M Pêgo-Fernandes
BACKGROUND: The first human lung transplantation was performed by James Hardy in 1963 due to lung cancer. Currently, malignancy has its importance in the follow-up of transplanted patients because cancer risk is higher in this population and the main risk factor for this augmentation is immunosuppression. The most common types of cancer are non-melanoma skin cancer and post-transplantation lymphoproliferative diseases. The objective of this study is to measure the cancer incidence and its related mortality in lung-transplanted patients of a Brazilian institution...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28457416/abdominal-complications-after-lung-transplantation-in-a-brazilian-single-center
#14
H F Costa, F P Dos Reis, O Gomes-Junior, L M Fernandes, L G Abdalla, S V Campos, R H O B Teixeira, M N Samano, P M Pêgo-Fernandes
Surgical and nonsurgical abdominal complications have been described after lung transplantation. However, there is limited data on this event in this population. The objective of this study was to analyze the incidence of abdominal complications in patients undergoing lung transplantation at the Heart Institute of the Faculty of Medicine, University of São Paulo (InCor-HCFMUSP) between the years 2003 and 2016. The main causes of abdominal complications were inflammatory acute abdomen (7 patients; 14%), obstructive acute abdomen (9 patients; 18%), gastroparesis (4 patients; 8%), distal intestinal obstruction syndrome (4 patients; 8%), perforated acute abdomen (7 patients; 14%), cytomegalovirus (CMV; 6 patients; 12%), and other reasons (12 patients; 26%)...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28457359/transport-of-human-organs-in-italy-location-time-and-performances
#15
L Mantecchini, F Paganelli, D Peritore, S Trapani, V Morabito, A Oliveti, D Stabile, P Fiaschetti, L Rizzato, A Nanni Costa
INTRODUCTION: The outcome of transplantation activities depends on a variety of unpredictable factors. Up-to-date criteria on organ allocation foresee an efficient transport chain along with compliant performance parameters. METHODS AND OBJECTIVES: The Centro Nazionale Trapianti and the Department of Civil, Chemical, Environmental, and Materials Engineering of the University of Bologna (respectively, CNT and DICAM) have been updating a national database of organ transplantation activities to investigate performance parameters and the main causes of disruption...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28456611/increased-risk-of-ptld-in-lung-transplant-recipients-with-cystic-fibrosis
#16
Erin M Lowery, William Adams, Shellee A Grim, Nina M Clark, Leah Edwards, Jennifer E Layden
BACKGROUND: Post-transplant lymphoproliferative disease (PTLD) is an important cause of morbidity and mortality following lung transplantation. Recipients with cystic fibrosis (CF) may have an increased risk of PTLD although the literature is limited to single center cohorts. Our primary aim is to examine PTLD in an adult lung transplant population by utilizing the International Society for Heart and Lung Transplantation Registry. METHODS: We studied 30,598 adult recipients of lung transplants performed between 1999 and 2011...
April 26, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28452921/targeting-circulating-leukocytes-and-pyroptosis-during-ex-vivo-lung-perfusion-improves-lung-preservation
#17
Kentaro Noda, Shinya Tane, Seok Jin Haam, Jonathan D'Cunha, Awori J Hayanga, James D Luketich, Norihisa Shigemura
BACKGROUND: The role of the circulating leukocytes in lungs and their relationship with circulating proinflammatory cytokines during ischemia-reperfusion injury is not well understood. Using ex vivo lung perfusion (EVLP) to investigate the pathophysiology of isolated lungs, we aimed to identify a therapeutic target to optimize lung preservation leading to successful lung transplantation. METHODS: Rat heart-lung blocks were placed on EVLP for 4 hours with or without a leukocyte-depleting filter (LF)...
April 27, 2017: Transplantation
https://www.readbyqxmd.com/read/28452423/coccidioidomycosis-among-persons-undergoing-lung-transplantation-in-the-coccidioidal-endemic-region
#18
Sachin Chaudhary, Laura Meinke, Huthayfa Ateeli, Kenneth S Knox, Yuval Raz, Neil M Ampel
BACKGROUND: Coccidioidomycosis, an endemic fungal infection, is more likely to be symptomatic and severe among those receiving allogeneic transplants. While several case series have been published for various transplanted organs, none has described the incidence and outcomes in those receiving lung transplants within the coccidioidal endemic region. METHODS: Patients receiving a heart-lung, single-lung, or bilateral-lung transplantation at the University of Arizona between 1985 and 2009 were retrospectively reviewed...
April 28, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28447929/five-year-follow-up-on-transplanted-organs-from-donors-after-brain-death-after-acute-stroke
#19
Vera Spatenkova, Eva Pokorna, Petr Suchomel
OBJECTIVES: Efficient intensive care donor management can help alleviate the shortage of organs for transplant. The aim of this study was to investigate the efficiency of management of donors after brain death from our neurointensive care unit. MATERIALS AND METHODS: We conducted a prospective observational 5-year follow-up on 29 transplanted organs from 14 brain-dead donors after acute stroke (7 subarachnoid and 4 intracerebral hemorrhages, 3 ischemic strokes)...
April 27, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28428038/non-invasive-tracking-of-hydrogel-degradation-using-upconversion-nanoparticles
#20
Yuqing Dong, Guorui Jin, Changchun Ji, Rongyan He, Min Lin, Xin Zhao, Ang Li, Tian Jian Lu, Feng Xu
Tracking the distribution and degradation of hydrogels in vivo is important for various applications including tissue engineering and drug delivery. Among various imaging modalities, fluorescence imaging has attracted intensive attention due to their high sensitivity, low cost and easy operation. Particularly, upconversion nanoparticles (UCNPs) that emit visible lights upon near-infrared (NIR) light excitation as tracking probes are promising in deciphering the fate of hydrogels after transplantation. Herein, we reported a facile and non-invasive in vivo hydrogel tracking method using UCNPs, where the degradation of hydrogels was determined using the decrease in fluorescence intensity from the UCNPs encapsulated in the hydrogels...
April 17, 2017: Acta Biomaterialia
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