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https://www.readbyqxmd.com/read/28493634/an-experimental-study-of-the-recovery-of-injured-porcine-lungs-with-prolonged-normothermic-cellular-ex-vivo-lung-perfusion-following-donation-after-circulatory-death
#1
John R Spratt, Lars M Mattison, Paul A Iaizzo, Roland Z Brown, Haylie Helms, Tinen L Iles, Brian Howard, Angela Panoskaltsis-Mortari, Gabriel Loor
INTRODUCTION: Donation after circulatory death (DCD) is an underused source of donor lungs. Normothermic cellular ex vivo lung perfusion (EVLP) is effective in preserving standard donor lungs but may also be useful in the preservation and assessment of DCD lungs. METHODS: Using a model of DCD and prolonged EVLP, the effects of donor warm ischemia and postmortem ventilation on graft recovery were evaluated. Adult male swine underwent general anesthesia and heparinization...
May 11, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28426448/clinical-and-ethical-challenges-in-heart-transplantation-from-donation-after-circulatory-determined-death-donors
#2
Stephen Large, Steven Tsui, Simon Messer
PURPOSE OF REVIEW: The aim of this study was to describe the development of a clinical programme of heart transplantation from nonheart beating (or donation after circulatory determined death, DCD) donors. DCD is an established practice in abdominal and lung transplantation. The opportunity for sufferers of advanced heart failure provided by DCD heart transplantation is described. RECENT FINDINGS: Work shows that the arrested DCD heart is viable and has a 30-min tolerance to anoxia at normal body temperature making transplantation possible...
June 2017: Current Opinion in Organ Transplantation
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
#3
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/28207629/short-and-long-term-outcome-after-lung-transplantation-from-circulatory-dead-donors-a-single-center-experience
#4
David Ruttens, An Martens, Sofie Ordies, Stijn E Verleden, Arne P Neyrinck, Robin Vos, Marc Boada Collado, Bart M Vanaudenaerde, Geert M Verleden, Dirk Van Raemdonck
BACKGROUND: Donation after cardiac death (DCD) to overcome the donor organ shortage is well accepted in the clinical setting, although long-term outcome after DCD lung transplantation (LTx) remains largely unknown. METHODS: In this retrospective study, DCD LTx recipients (n=59) were compared with a cohort of donation after brain-death (DBD) LTx recipients (n=331) transplanted between February 2007 and September 2013; follow-up was until January 1st 2016. Short-term (duration of mechanical ventilation, ICU stay, hospital stay and highest PGD score within 72 hours) and long-term (CLAD-free and overall survival) follow-up were compared over a median follow-up of 50...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28141909/improving-the-outcomes-of-organs-obtained-from-controlled-donation-after-circulatory-death-donors-using-abdominal-normothermic-regional-perfusion
#5
Eduardo Miñambres, Borja Suberviola, Beatriz Dominguez-Gil, Emilio Rodrigo, Juan Carlos Ruiz-San Millan, Juan Carlos Rodríguez-San Juan, Maria Angeles Ballesteros
Donation after circulatory death (DCD) has experienced a significant expansion over the last decade. However, warm ischemia results in a greater risk for transplantation. Indeed, controlled DCD (cDCD) was associated with inferior outcomes compared to donation after brain death. The use of abdominal normothermic regional perfusion (nRP) to restore blood flow prior to organ recovery in cDCD has been proposed as a better alternative than rapid recovery to reverse the effect of ischemia and improve recipients' outcome...
January 31, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28060242/adult-liver-allocation-in-eurotransplant
#6
Ina Jochmans, Marieke van Rosmalen, Jacques Pirenne, Undine Samuel
Liver allocation in Eurotransplant is complex as allocation rules need to follow not only the guidelines of the European Commission but also the specific regulations of each of the 7 Eurotransplant countries with active liver transplant programs. Thirty-eight liver transplant centers served a population of about 135 million in 2015. Around 1600 deceased donor livers are transplanted annually. The number of deceased organ donors remains stable but donor age is increasing. Nevertheless, liver utilization rates are unchanged at around 80%...
January 6, 2017: Transplantation
https://www.readbyqxmd.com/read/27916176/functional-assessment-and-transplantation-of-the-donor-heart-after-circulatory-death
#7
Simon J Messer, Richard G Axell, Simon Colah, Paul A White, Marian Ryan, Aravinda A Page, Barbora Parizkova, Kamen Valchanov, Christopher W White, Darren H Freed, Euan Ashley, John Dunning, Martin Goddard, Jayan Parameshwar, Christopher J Watson, Thomas Krieg, Ayyaz Ali, Steven Tsui, Stephen R Large
BACKGROUND: After a severe shortage of brain-dead donors, the demand for heart transplantation has never been greater. In an attempt to increase organ supply, abdominal and lung transplant programs have turned to the donation after circulatory-determined death (DCD) donor. However, because heart function cannot be assessed after circulatory death, DCD heart transplantation was deemed high risk and never adopted routinely. We report a novel method of functional assessment of the DCD heart resulting in a successful clinical program...
December 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/27861290/pathophysiological-trends-during-withdrawal-of-life-support-implications-for-organ-donation-after-circulatory-death
#8
Arjun Iyer, Hong Chee Chew, Ling Gao, Jeanette Villanueva, Mark Hicks, Aoife Doyle, Gayathri Kumarasinghe, Andrew Jabbour, Paul Cassius Jansz, Michael P Feneley, Richard P Harvey, Robert M Graham, Kumud K Dhital, Peter S Macdonald
BACKGROUND: Donation after circulatory death (DCD) provides an alternative pathway to deceased organ transplantation. Although clinical DCD lung, liver, and kidney transplantation are well established, transplantation of hearts retrieved from DCD donors has reached clinical translation only recently. Progress has been limited by concern regarding the viability of DCD hearts. The aim of this study was to document the pathophysiological changes that occur in the heart and circulation during withdrawal of life (WLS) support...
December 2016: Transplantation
https://www.readbyqxmd.com/read/27651939/current-status-and-problems-of-lung-transplantation-in-japan
#9
REVIEW
Hiroshi Date
Lung transplantation has been performed worldwide and recognized as an effective treatment for patients with various end-stage lung diseases. Shortage of lung donors is one of the main obstacles in most of the countries, especially in Japan. Every effort has been made to promote organ donation during the past 20 years. In 2010, Japanese transplant low was revised so that the family of the brain dead donors can make a decision for organ donation. Since then, the number of cadaveric lung donor has increased by 5-fold...
August 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27514498/steroids-can-reduce-warm-ischemic-reperfusion-injury-in-a-porcine-donation-after-circulatory-death-model-with-ex-vivo-lung-perfusion-evaluation
#10
An Martens, Marc Boada, Bart M Vanaudenaerde, Stijn E Verleden, Robin Vos, Geert M Verleden, Eric K Verbeken, Dirk Van Raemdonck, Dominique Schols, Sandra Claes, Arne P Neyrinck
Donation after circulatory death (DCD) is being used to increase the number of transplantable organs. The role and timing of steroids in DCD donation and ex vivo lung perfusion (EVLP) has not been thoroughly investigated. In this study, we investigated the effect of steroids on warm ischemic injury in a porcine model (n = 6/group). Following cardiac arrest, grafts were left untouched in the donor (90-min warm ischemia). Graft function was assessed after 6 h of EVLP. In the MP group, 500 mg methylprednisolone was given prior to cardiac arrest and during EVLP...
November 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/27109193/attenuation-of-pulmonary-ischemia-reperfusion-injury-by-adenosine-a2b-receptor-antagonism
#11
Mary E Huerter, Ashish K Sharma, Yunge Zhao, Eric J Charles, Irving L Kron, Victor E Laubach
BACKGROUND: Ischemia-reperfusion injury (IRI) is a major source of morbidity and mortality after lung transplantation. We previously demonstrated a proinflammatory role of adenosine A2B receptor (A2BR) in lung IR injury. The current study tests the hypothesis that A2BR antagonism is protective of ischemic lungs after in vivo reperfusion or ex vivo lung perfusion (EVLP). METHODS: Mice underwent lung IR with or without administration of ATL802, a selective A2BR antagonist...
August 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/26991858/new-classification-of-donation-after-circulatory-death-donors-definitions-and-terminology
#12
REVIEW
Marie Thuong, Angel Ruiz, Patrick Evrard, Michael Kuiper, Catherine Boffa, Mohammed Z Akhtar, James Neuberger, Rutger Ploeg
In the face of a crisis in organ donation, the transplant community are increasingly utilizing donation after circulatory death (DCD) donors. Over the last 10 years, with the increasing usage of DCD donors, we have seen the introduction in a number of new terms and definitions. We report the results of the 6th International Conference in Organ Donation held in Paris in 2013 and report a consensus agreement of an established expert European Working Group on the definitions and terminology regarding DCD donation, including refinement of the Maastricht definitions...
July 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/26718316/dcd-lung-donation-donor-criteria-procedural-criteria-pulmonary-graft-function-validation-and-preservation
#13
REVIEW
Michiel E Erasmus, Dirk van Raemdonck, Mohammed Zeeshan Akhtar, Arne Neyrinck, David Gomez de Antonio, Andreas Varela, John Dark
In an era where there is a shortage of lungs for transplantation is increased utilization of lungs from donation after circulatory death (DCD) donors. We review the reports of 11 controlled and 1 uncontrolled DCD programs focusing on donor criteria, procedural criteria, graft assessment, and preservation techniques including the use of ex vivo lung perfusion. We have formulated conclusions and recommendations for each of these areas, which were presented at the 6th International Conference on Organ Donation...
July 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/26651884/organotypic-lung-culture-a-new-model-for-studying-ischemia-and-ex-vivo-perfusion-in-lung-transplantation
#14
Jean-Marc Baste, Arnaud Gay, Hassiba Smail, Romain Noël, Michael Bubenheim, Hugues Begueret, Jean-Paul Morin, Pierre-Yves Litzler
AIM: Donors after cardiac death (DCD) in lung transplantation is considered as a solution for organ shortage. However, it is characterized by warm ischemic period, which could be involved in severe Ischemia-Reperfusion lesion (IR) with early graft dysfunction. We describe a new hybrid model combining in vivo ischemia followed by in vitro reoxygenation using organ-specific culture. MATERIAL AND METHODS: A hybrid model using in vivo ischemic period followed by in vitro lung slice reoxygenation was set up in rat to mimic DCD in lung transplantation with in vitro perfusion...
2015: Experimental Lung Research
https://www.readbyqxmd.com/read/26516669/changing-patterns-of-organ-donation-brain-dead-donors-are-not-being-lost-by-donation-after-circulatory-death
#15
Helen M Nelson, Alexandra K Glazier, Francis L Delmonico
The clinical characteristics of all New England Organ Bank (NEOB) donors after circulatory death (DCD) donors were analyzed between July 1, 2009, and June 30, 2014. During that 5-year period, there were 494 authorized medically suitable potential DCDs that the NEOB evaluated, constituting more than 30% of deceased donors coordinated annually by the NEOB. From the cohort of 494 authorized potential DCDs, 331 (67%) became actual DCD, 82 (17%) were attempted as a DCD but did not progress to donation, and 81 (16%) transitioned to an actual donor after brain death (DBD)...
February 2016: Transplantation
https://www.readbyqxmd.com/read/26500001/lungs-exposed-to-1-hour-warm-ischemia-without-heparin-before-harvesting-might-be-suitable-candidates-for-transplantation
#16
Annika Liersch-Nordqvist, Richard Ingemansson, Leif Pierre, Joanna Hlebowicz, Sandra Lindstedt
BACKGROUND: The limiting factor for lung transplantation is the lack of donor organs. The usage of lungs from donation after cardiac death (DCD) would dramatically increase donor availability. In the present paper we wanted to investigate lungs exposed to 1 h of warm ischemia without heparin followed by flush-perfusion and cold storage compared to lungs harvested from heart beating donors (HBD) using standard harvesting technique. METHODS: Twelve Swedish domestic pigs were randomized into two groups...
2015: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/26454741/international-society-for-heart-and-lung-transplantation-donation-after-circulatory-death-registry-report
#17
Marcelo Cypel, Bronwyn Levvey, Dirk Van Raemdonck, Michiel Erasmus, John Dark, Robert Love, David Mason, Allan R Glanville, Daniel Chambers, Leah B Edwards, Josef Stehlik, Marshall Hertz, Brian A Whitson, Roger D Yusen, Varun Puri, Peter Hopkins, Greg Snell, Shaf Keshavjee
BACKGROUND: The objective of this study was to review the international experience in lung transplantation using lung donation after circulatory death (DCD). METHODS: In this retrospective study, data from the International Society for Heart and Lung Transplantation (ISHLT) DCD Registry were analyzed. The study cohort included DCD lung transplants performed between January 2003 and June 2013, and reported to the ISHLT DCD Registry as of April 2014. The participating institutions included 10 centers in North America, Europe and Australia...
October 2015: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/26402739/does-traumatic-donor-cause-of-death-influence-outcome-after-lung-transplantation-a-single-centre-analysis
#18
Kevin Pilarczyk, Jens Heckmann, Henning Carstens, Jura Lubarski, Heinz Jakob, Nikolaus Pizanis, Markus Kamler
Background Owing to the shortage of donor organs in lung transplantation (LuTX), liberalization of donor selection criteria has been proposed. However, some studies suggested that donor traumatic brain damage might influence posttransplantation allograft function. This article aimed to investigate the association of donor cause of death (DCD) and outcome after LuTX. Methods A retrospective analysis of 186 consecutive double LuTXs at our institution from January 2000 to December 2008 was performed. DCD was categorized into traumatic brain injury (TBI) and nontraumatic brain injury (NTBI)...
September 24, 2015: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/26323621/ex-vivo-lung-perfusion-with-adenosine-a2a-receptor-agonist-allows-prolonged-cold-preservation-of-lungs-donated-after-cardiac-death
#19
Cynthia E Wagner, Nicolas H Pope, Eric J Charles, Mary E Huerter, Ashish K Sharma, Morgan D Salmon, Benjamin T Carter, Mark H Stoler, Christine L Lau, Victor E Laubach, Irving L Kron
OBJECTIVE: Ex vivo lung perfusion has been successful in the assessment of marginal donor lungs, including donation after cardiac death (DCD) donor lungs. Ex vivo lung perfusion also represents a unique platform for targeted drug delivery. We sought to determine whether ischemia-reperfusion injury would be decreased after transplantation of DCD donor lungs subjected to prolonged cold preservation and treated with an adenosine A2A receptor agonist during ex vivo lung perfusion. METHODS: Porcine DCD donor lungs were preserved at 4°C for 12 hours and underwent ex vivo lung perfusion for 4 hours...
February 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/26262504/ex-vivo-perfusion-with-adenosine-a2a-receptor-agonist-enhances-rehabilitation-of-murine-donor-lungs-after-circulatory-death
#20
Matthew L Stone, Ashish K Sharma, Valeria R Mas, Ricardo C Gehrau, Daniel P Mulloy, Yunge Zhao, Christine L Lau, Irving L Kron, Mary E Huerter, Victor E Laubach
BACKGROUND: Ex vivo lung perfusion (EVLP) enables assessment and rehabilitation of marginal donor lungs before transplantation. We previously demonstrated that adenosine A2A receptor (A2AR) agonism attenuates lung ischemia-reperfusion injury. The current study utilizes a novel murine EVLP model to test the hypothesis that A2AR agonist enhances EVLP-mediated rehabilitation of donation after circulatory death (DCD) lungs. METHODS: Mice underwent euthanasia and 60 minutes warm ischemia, and lungs were flushed with Perfadex and underwent cold static preservation (CSP, 60 minutes)...
December 2015: Transplantation
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