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https://www.readbyqxmd.com/read/29346257/association-of-cold-ischemia-time-with-acute-renal-transplant-rejection
#1
Merve Postalcioglu, Arnaud D Kaze, Benjamin C Byun, Andrew Siedlecki, Stefan G Tullius, Edgar L Milford, Julie M Paik, Reza Abdi
BACKGROUND: Kidney transplantation holds much promise as a treatment of choice for patients with end stage kidney disease. The impact of cold ischemia time (CIT) on acute renal transplant rejection (ARTR) remains to be fully studied in a large cohort of renal transplant patients. METHODS: From the Organ Procurement and Transplantation Network database, we analyzed 63,798 deceased donor renal transplants performed between 2000-2010. We assessed the association between CIT and ARTR...
January 18, 2018: Transplantation
https://www.readbyqxmd.com/read/29342477/-new-challenges-diagnosis-of-brain-death-in-newborn-children-and-adolescents
#2
Florian Masuhr, Christof Dame, Alexander Gratopp, Olaf Hoffmann
BACKGROUND: According to the current update of the German guideline on brain death (BD), participation of paediatricians is now mandatory for the examination of BD in patients younger than 14 years. The present analysis focuses on the previous practice and highlights the challenges that arise from the current update. METHODS: Retrospective evaluation of the patient registry of the German organ procurement organisation (north-eastern bureau) between January, 2001 and December, 2010 with specified paediatric age groups according to the 4th update of the German guideline on BD from the 1st of July 2015...
January 17, 2018: Klinische Pädiatrie
https://www.readbyqxmd.com/read/29337122/lung-focused-resuscitation-at-a-specialized-donor-care-facility-improves-lung-procurement-rates
#3
Stephanie H Chang, Daniel Kreisel, Gary F Marklin, Lindsey Cook, Ramsey Hachem, Benjamin D Kozower, Keki R Balsara, Jennifer M Bell, Christine Frederiksen, Bryan F Meyers, G Alexander Patterson, Varun Puri
BACKGROUND: Lung procurement for transplantation occurs in about 20% of brain dead donors and is a major impediment to wider application of lung transplantation. We investigated the impact of lung protective management at a specialized donor care facility on lung procurement rates from brain dead donors. METHODS: Our local organ procurement organization instituted a protocol of lung protective management at a freestanding specialized donor care facility in 2008...
January 11, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29331874/thyroid-hormone-resuscitation-after-brain-death-in-potential-organ-donors-a-primer-for-neurocritical-care-providers-and-narrative-review-of-the-literature
#4
REVIEW
Ian A Buchanan, Vivek A Mehta
Solid organ transplantation has become a mainstay in the contemporary management of end-stage organ failures fueled by advances in immunosuppression, intensive care and surgical technology. Every year, a vast number of transplantable organs is lost on account of hemodynamic instability in potential brain-dead organ donors. Because of a growing organ shortage, measures that increase total donor supply pools are desperately needed. Thyroid hormone has been identified as an adjunctive therapy in donor management due to its potential for increasing organ supply and is currently endorsed by transplant organizations such as United Network for Organ Sharing (UNOS)...
January 8, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29330650/a-cold-adapted-endoglucanase-from-camel-rumen-with-high-catalytic-activity-at-moderate-and-low-temperatures-an-anomaly-of-truly-cold-adapted-evolution-in-a-mesophilic-environment
#5
Kamran Khalili Ghadikolaei, Javad Gharechahi, Kamahldin Haghbeen, Kambiz Akbari Noghabi, Ghasem Hosseini Salekdeh, Hossein Shahbani Zahiri
Endoglucanases are important enzymes in plant biomass degradation. They have current and potential applications in various industrial sectors including human and animal food processing, textile, paper, and renewable biofuel production. It is assumed that the cold-active endoglucanases, with high catalytic rates in moderate and cold temperatures, can improve the cost-effectiveness of industrial processes by lowering the need for heating and, thus, energy consumption. In this study, the endoglucanase CelCM3 was procured from a camel rumen metagenome via gene cloning and expression in Escherichia coli BL21 (DE3)...
January 12, 2018: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/29329187/deceased-donor-organ-transplantation-performed-in-the-united-states-for-non-citizens-and-non-residents
#6
Francis L Delmonico, Susan Gunderson, Kishore R Iyer, Gabriel M Danovitch, Timothy L Pruett, Jorge D Reyes, Nancy L Ascher
Since 2012, the Organ Procurement and Transplantation Network (OPTN)/United Network for Organ Sharing (UNOS) has required transplant centers to record the citizenship and residency status of patients undergoing transplantation in the United States. This policy replaced the 5% threshold of the non-US citizen/non-U.S. residents (NC/NR) undergoing organ transplantation that could result in an audit of transplant center activity.We analyzed the frequency of NC/NR deceased donor organ transplants and wait list registrations at all US transplant centers using data provided by UNOS for that purpose to the UNOS Ad Hoc International Relations Committee...
January 11, 2018: Transplantation
https://www.readbyqxmd.com/read/29323864/status-report-foodreach-toronto-lowering-food-costs-for-social-agencies-and-community-groups
#7
Paul Coleman, John Gultig, Barbara Emanuel, Marianne Gee, Heather Orpana
Toronto has the largest absolute number of food insecure households for any metropolitan census area in Canada: of its 2.1 million households, roughly 252 000 households (or 12%) experience some level of food insecurity. Community organizations (including social agencies, school programs, and child care centres) serve millions of meals per year to the city's most vulnerable citizens, but often face challenges accessing fresh produce at affordable prices. Therefore in 2015, Toronto Public Health, in collaboration with public- and private-sector partners, launched the FoodReach program to improve the efficiency of food procurement among community organizations by consolidating their purchasing power...
January 2018: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/29323862/healthy-food-procurement-and-nutrition-standards-in-public-facilities-evidence-synthesis-and-consensus-policy-recommendations
#8
Kim D Raine, Kayla Atkey, Dana Lee Olstad, Alexa R Ferdinands, Dominique Beaulieu, Susan Buhler, Norm Campbell, Brian Cook, Mary L'Abbé, Ashley Lederer, David Mowat, Joshna Maharaj, Candace Nykiforuk, Jacob Shelley, Jacqueline Street
INTRODUCTION: Unhealthy foods are widely available in public settings across Canada, contributing to diet-related chronic diseases, such as obesity. This is a concern given that public facilities often provide a significant amount of food for consumption by vulnerable groups, including children and seniors. Healthy food procurement policies, which support procuring, distributing, selling, and/or serving healthier foods, have recently emerged as a promising strategy to counter this public health issue by increasing access to healthier foods...
January 2018: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/29317046/retro-peritoneal-cooling-for-kidney-preservation-from-multi-organ-cadaver-donors
#9
Anastasio Salazar-Bañuelos, Mauricio Monroy-Cuadros, Hoover Henriquez-Cooper
BACKGROUND: Minimizing ischemia is paramount in the procurement of kidneys for transplantation. A fast cooling and expeditious removal is ideal to minimize damage from warm ischemia, however, since the removal of kidneys is delayed in cadaver donation until all other organs are harvested, the risk of kidney damage increases due to contact with the warmer soft body tissues. Surgical techniques that expedite organ retrieval were developed to avoid organ damage. METHODS: We test a modification of Thomas Starzl's improved technique for multi-organ harvesting by interposing an ice bag between the posterior aspect of the kidney and the psoas muscle in a randomized trial with 21 multi-organ cadaver donors...
January 4, 2018: American Journal of Surgery
https://www.readbyqxmd.com/read/29314617/increased-risk-donors-a-bird-in-the-hand
#10
EDITORIAL
Daniel R Kaul
Unexpected donor-derived infections (DDI) are relatively uncommon events complicating less than 1% of solid organ transplants (1). Disease can be severe, however, with malignancies and agents that infect the central nervous system carrying a particularly high risk of adverse outcomes (2). In most cases, this risk is managed by a combination of clinical assessment and pre-procurement donor testing. This article is protected by copyright. All rights reserved.
January 4, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29287087/transition-probabilities-between-changing-sensitization-levels-waitlist-activity-status-and-competing-risk-kidney-transplant-outcomes-using-multi-state-modeling
#11
Sanjay Kulkarni, Isaac Hall, Richard Formica, Carrie Thiessen, Darren Stewart, Geliang Gan, Erich Greene, Yanhong Deng
BACKGROUND: Sensitization and activity status are associated with kidney transplant waitlist mortality. Unknown is how changes in these covariates after listing impact transplant outcomes. METHODS: Two cohorts were created from the OPTN (Organ Procurement and Transplantation Network) database, one pre-KAS (new kidney allocation system) (10/01/2009-12/04/2013, n = 97,793) and one post-KAS (12/04/2014-06/17/2015, n = 13,113). Multi-state modeling provides transition probabilities between intermediate states (CPRA category/activity status combinations) and competing-risk outcomes: transplant (living), transplant (deceased), death, or other/well...
2017: PloS One
https://www.readbyqxmd.com/read/29277435/assessment-of-potential-heart-donors-a-statement-from-the-french-heart-transplant-community
#12
Richard Dorent, Estelle Gandjbakhch, Céline Goéminne, Fabrice Ivanes, Laurent Sebbag, Fabrice Bauer, Eric Epailly, Pascale Boissonnat, Karine Nubret, Julien Amour, Emmanuelle Vermes, Phalla Ou, Soulef Guendouz, Philippe Chevalier, Guillaume Lebreton, Erwan Flecher, Jean-François Obadia, Damien Logeart, Pascal de Groote
Assessment of potential donors is an essential part of heart transplantation. Despite the shortage of donor hearts, donor heart procurement from brain-dead organ donors remains low in France, which may be explained by the increasing proportion of high-risk donors, as well as the mismatch between donor assessment and the transplant team's expectations. Improving donor and donor heart assessment is essential to improve the low utilization rate of available donor hearts without increasing post-transplant recipient mortality...
December 22, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/29276852/organ-donor-management-part-1-toward-a-consensus-to-guide-anesthesia-services-during-donation-after-brain-death
#13
Michael J Souter, E Eidbo, James Y Findlay, Daniel J Lebovitz, Marina Moguilevitch, Nikole A Neidlinger, Gerhard Wagener, Anil S Paramesh, Claus U Niemann, Pamela R Roberts, Ernesto A Pretto
Worldwide 715 482 patients have received a lifesaving organ transplant since 1988. During this time, there have been advances in donor management and in the perioperative care of the organ transplant recipient, resulting in marked improvements in long-term survival. Although the number of organs recovered has increased year after year, a greater demand has produced a critical organ shortage. The majority of organs are from deceased donors; however, some are not suitable for transplantation. Some of this loss is due to management of the donor...
December 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29243536/variation-in-pediatric-organ-donor-management-practices-among-us-organ-procurement-organizations
#14
Robert S Ream, Eric S Armbrecht
INTRODUCTION: Reports of actual pediatric organ donor management practice among US organ procurement organizations are sparse, and the use of standardized management guidelines is unknown. A recent consensus statement from the Society of Critical Care Medicine, the American College of Chest Physicians, and the Association of Organ Procurement Organizations offers guidelines for the management of the pediatric organ donor. RESEARCH QUESTION: To describe the use of guidelines and routine practices in the management of the pediatric organ donor with respect to hemodynamics, lung and ventilator management, fluid and electrolytes, hormonal replacement therapy, the use of blood products, thermoregulation, and prophylactic antibiotics...
January 1, 2017: Progress in Transplantation
https://www.readbyqxmd.com/read/29232052/the-us-food-and-drug-administration-s-tentative-approval-process-and-the-global-fight-against-hiv
#15
Harinder Singh Chahal, Jeffrey S Murray, Martin Shimer, Peter Capella, Ryan Presto, Mary Lou Valdez, Peter G Lurie
INTRODUCTION: In 2004, the US government began to utilize the Food and Drug Administration's (USFDA) tentative approval process (tFDA) as a basis to determine which HIV drugs are appropriate to be purchased and used in resource-constrained settings. This process permits products that are not approved for marketing in the US, including medicines with active patents or marketing restrictions in the US, to be purchased and distributed in resource-constrained settings. Although the tFDA was originally intended to support the United States' President's Emergency Plan for AIDS Relief (PEPFAR), the USFDA list has become a cornerstone of international HIV programmes that support procurement of ARVs, such as the World Health Organization and the Global Fund to Fight AIDS, Tuberculosis, and Malaria...
December 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29229159/socioeconomic-factors-as-predictors-of-organ-donation
#16
Malay B Shah, Valery Vilchez, Adam Goble, Michael F Daily, Jonathan C Berger, Roberto Gedaly, Derek A DuBay
BACKGROUND: Despite numerous initiatives to increase solid organs for transplant, the gap between donors and recipients widens. There is little in the literature identifying socioeconomic predictors for donation. We evaluate the correlation between socioeconomic factors and familial authorization for donation. METHODS: A retrospective analysis of adult potential donor referrals between 2007 and 2012 to our organ procurement organization (OPO) was performed. Potential donor information was obtained from the OPO database, death certificates, and the US Census Report...
January 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29226765/never-declared-brain-dead-potential-organ-donors-an-additional-source-of-donor-organs
#17
Patricia A Webster, Lori E Markham
CONTEXT: Patients never declared brain dead may represent an additional source of donor organs. OBJECTIVE: To determine the number of likely brain dead potential donors who are never declared brain dead and to compare them with brain dead and donation after cardiac death potential organ donors. DESIGN, SETTING, AND PARTICIPANTS: This study was a retrospective chart review of all catastrophically brain-injured patients referred to a single-organ procurement organization (OPO) over a 4-year period...
January 1, 2017: Progress in Transplantation
https://www.readbyqxmd.com/read/29222929/hiv-deceased-donor-referrals-a-national-survey-of-organ-procurement-organizations
#18
Ayla Cash, Xun Luo, Eric K H Chow, Mary Grace Bowring, Ashton A Shaffer, Brianna Doby, Corey E Wickliffe, Charles Alexander, Deborah McRann, Aaron A R Tobian, Dorry L Segev, Christine M Durand
BACKGROUND: HIV-infected (HIV+) donor organs can be transplanted into HIV+ recipients under the HIV Organ Policy Equity (HOPE) Act. Quantifying HIV+ donor referrals received by Organ Procurement Organizations (OPOs) is critical for HOPE Act implementation. METHODS: We surveyed the 58 US OPOs regarding HIV+ referral records and newly discovered HIV+ donors. Using data from OPOs that provided exact records and CDC HIV prevalence data, we projected a national estimate of HIV+ referrals...
December 9, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29220079/hepatitis-c-virus-genotyping-of-organ-donor-samples-to-aid-in-transplantation-of-hcv-positive-organs
#19
Caren Gentile, Vivianna M Van Deerlin, David S Goldberg, Peter P Reese, Richard D Hasz, Peter Abt, Emily Blumberg, Midhat S Farooqi
Given the availability of new highly efficacious anti-HCV therapies, some clinicians have advocated for wider use of kidneys from hepatitis C virus-positive (HCV+) donors, including transplanting them into HCV-negative recipients. As treatment regimens for HCV are commonly guided by genotype, pretransplant HCV genotyping of tissue donors would be beneficial. To our knowledge, donor HCV genotyping has never been reported. We retrieved archived frozen plasma samples for 17 previous organ donors through a local organ procurement organization...
December 8, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29217537/characteristics-and-performance-of-unilateral-kidney-transplants-from-deceased-donors
#20
Syed Ali Husain, Mariana C Chiles, Samnang Lee, Stephen O Pastan, Rachel E Patzer, Bekir Tanriover, Lloyd E Ratner, Sumit Mohan
BACKGROUND AND OBJECTIVES: The fraction of kidneys procured for transplant that are discarded is rising in the United States. Identifying donors from whom only one kidney was discarded allows us to control for donor traits and better assess reasons for organ discard. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective cohort study using United Network for Organ Sharing Standard Transplant Analysis and Research file data to identify deceased donors from whom two kidneys were procured and at least one was transplanted...
December 7, 2017: Clinical Journal of the American Society of Nephrology: CJASN
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