Longer Preservation Time Doesn't Harm Lungs for Transplant Longer Preservation Time Doesn't Harm Lungs for Transplant

Extending overall preservation time via ex-vivo lung perfusion (EVLP) appears to have no negative impact on short-term outcomes of lung transplantation, according to Canadian and Swiss investigators.Reuters Health Information
Source: Medscape Transplantation Headlines - Category: Transplant Surgery Tags: Transplantation News Source Type: news

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Ex Vivo Lung Perfusion (EVLP) is a system that circulates normothermic perfusate into procured lungs, allowing for improved lung function and lung assessment. We investigated whether ventilation with hydrogen gas during EVLP improves the donation after cardiac death (DCD) lung function, and whether this effect persists after actual transplantation.
Source: The Journal of Heart and Lung Transplantation - Category: Transplant Surgery Authors: Tags: Original Pre-Clinical Science Source Type: research
Conclusion Multiparametric pulmonary MRI is feasible in lung allografts within an EVLP system. Oxygen-enhanced imaging seems to be a promising marker for ischemic injury, enabling detection of affected lung segments prior to transplantation.
Source: Academic Radiology - Category: Radiology Source Type: research
Source: The Journal of Thoracic and Cardiovascular Surgery - Category: Cardiovascular & Thoracic Surgery Authors: Source Type: research
Authors: Paraskeva MA, Levin KC, Westall GP, Snell GI Abstract Lung transplantation in Australia is 32 years old in 2018. From its early infancy in 1986, it continues to evolve and is internationally recognised as demonstrating world's best practices in organ donation, utilisation and transplantation procedures. Over the past decade, transplant numbers have increased substantially due to innovations in donor procurement, such as donation after circulatory death, the use of ex vivo lung perfusion, extended criteria and organ utilisation, with more than 200 lung transplants undertaken in Australia annually. Parallel ...
Source: Medical Journal of Australia - Category: General Medicine Tags: Med J Aust Source Type: research
This study indicates that frailty and other age-related diseases could be prevented and significantly reduced in older adults. Getting our heart risk factors under control could lead to much healthier old ages. Unfortunately, the current obesity epidemic is moving the older population in the wrong direction, however our study underlines how even small reductions in risk are worthwhile." The study analysed data from more than 421,000 people aged 60-69 in both GP medical records and in the UK Biobank research study. Participants were followed up over ten years. The researchers analysed six factors that could impa...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Abstract Fluid filtration in the pulmonary microcirculation depends on the hydrostatic and oncotic pressure gradients across the endothelium, and the selective permeability of the endothelial barrier. Maintaining normal fluid balance depends both on specific properties of the endothelium and of the perfusing blood. Although some of the essential properties of blood needed to prevent excessive fluid leak have been identified and characterised, our understanding of these remains incomplete. The role of perfusate viscosity in maintaining normal fluid exchange has not previously been examined. We prepared a high visco...
Source: Am J Physiol Lung Ce... - Category: Respiratory Medicine Authors: Tags: Am J Physiol Lung Cell Mol Physiol Source Type: research
This article summarizes recent knowledge and clinical advances in machine perfusion (MP) of thoracic organs. MP of thoracic organs has gained much attention during the last decade. Clinical studies are investigating the role of MP to preserve, resuscitate, and assess heart and lungs prior to transplantation. Currently, MP of the cardiac allograft is essential in all type DCD heart transplantation while MP of the pulmonary allograft is mandatory in uncontrolled DCD lung transplantation. MP of thoracic organs also offers an exciting platform to further investigate downregulation of the innate and adaptive immunity prior to r...
Source: Journal of Thoracic Disease - Category: Respiratory Medicine Tags: J Thorac Dis Source Type: research
In this study, we obtained two decellularized rat lung scaffolds using a novel detergent sodium lauryl ether sulfate (SLES) and a conventional detergent sodium dodecyl sulfate (SDS). Both decellularized lung scaffolds were assessed by histology, immunohistochemistry, scanning electron microscopy, DNA quantification, sulfated glycosaminoglycans (GAGs) quantification and western blot. Subsequently, the scaffolds were implanted subcutaneously in rats for 6 weeks and were evaluated via hematoxylin and eosin staining and Masson staining. Results indicated that SLES was effective to remove cells; moreover, lungs decellularized w...
Source: ASAIO Journal - Category: Medical Devices Tags: Tissue Engineering/Biomaterials Source Type: research
Authors: Rodríguez-Roisin R, Krowka MJ, Agustí A Abstract This review concentrates on the determinants of gas exchange abnormalities in liver-induced pulmonary vascular disorders, more specifically in the hepatopulmonary syndrome. Increased alveolar-arterial O2 difference, with or without different levels of arterial hypoxemia, and reduced diffusing capacity represent the most characteristic gas exchange disturbances in the absence of cardiac and pulmonary comorbidities. Pulmonary gas exchange abnormalities in the hepatopulmonary syndrome are unique encompassing all three pulmonary factors determining...
Source: Comprehensive Physiology - Category: Physiology Tags: Compr Physiol Source Type: research
TransMedics said today that it won pre-market approval from the FDA for its OCD Lung transplant system, which is designed to keep donated human lungs in near-living condition until transplantation. The March 22 approval covers standard double-lung transplantation procedures, Andover, Mass.-based TransMedics said. The federal safety watchdog granted the PMA based on data from the 316-patient Inspire trial, the results from which were published this week in The Lancet Respiratory Medicine, comparing OCS lung with the standard of care – cold flush and storage. Inspire met its primary outcome – a composite of ...
Source: Mass Device - Category: Medical Devices Authors: Tags: Clinical Trials Regulatory/Compliance Respiratory Transplants Wall Street Beat transmedics Source Type: news
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