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https://www.readbyqxmd.com/read/28440074/applications-of-synthetic-organic-tetrasulfides-as-h2s-donors
#1
Matthew M Cerda, Matthew D Hammers, Mary S Earp, Lev N Zakharov, Michael D Pluth
In an effort to expand the availability of simple polysulfides for H2S donation, we report here the synthesis and H2S release profiles of bis(aryl) and bis(alkyl) tetrasulfides. The tetrasulfide donors release H2S in a first-order dependence on reduced glutathione (GSH) and release more H2S than the commonly used trisulfide DATS.
April 25, 2017: Organic Letters
https://www.readbyqxmd.com/read/28439732/skin-allograft-procurement-and-transplantation-in-mashhad-iran-are-burn-patients-needs-being-met
#2
Seyed Hassan Tavousi, Ali Ahmadabadi, Alireza Sedaghat, Ebrahim Khaleghi, Maryam Rashchi, Zohreh Bonakdaran
Only a single donor's tissue may save or improve lives of one hundred patients. Unfortunately, low governmental and media support of tissue procurement and transplantation programs is a worldwide problem. Loss of an effective tissue procurement program in many countries like Iran, may lead to loss of many thousands valuable tissues each year. To evaluate the rate of skin donation in Mashhad in comparison to other organs and tissues, we extracted the data related to tissue and organ procurement in Mashhad from 2001...
April 24, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28439714/arterial-and-biliary-complications-after-living-donor-liver-transplantation-a-single-center-retrospective-study-and-literature-review
#3
REVIEW
Shigehito Miyagi, Yuta Kakizaki, Kenji Shimizu, Koji Miyazawa, Wataru Nakanishi, Yasuyuki Hara, Kazuaki Tokodai, Chikashi Nakanishi, Takashi Kamei, Noriaki Ohuchi, Susumu Satomi
AIM: The mortality of patients on the waiting list for deceased donor liver transplantation (DDLT) is high, especially in countries where donation rates are low. Thus, living donor liver transplantation (LDLT) is an attractive option. However, compared with DDLT, LDLT is associated with increased rates of arterial and biliary complications. We examined the rates of complications and risk factors following LDLT. METHODS: We retrospectively investigated and compared the rates of complications of DDLT and LDLT in our institute...
April 24, 2017: Surgery Today
https://www.readbyqxmd.com/read/28437370/ethics-guide-recommendations-for-organ-donation-focused-physicians-endorsed-by-the-canadian-medical-association
#4
Sam D Shemie, Christy Simpson, Jeff Blackmer, Shavaun MacDonald, Sonny Dhanani, Sylvia Torrance, Paul Byrne
Donation physicians are specialists with expertise in organ and tissue donation and have been recognized internationally as a key contributor to improving organ and tissue donation services. Subsequent to a 2011 Canadian Critical Care Society-Canadian Blood Services consultation, the donation physician role has been gradually implemented in Canada. These professionals are generally intensive care unit physicians with an enhanced focus and expertise in organ/tissue donation. They must manage the dual obligation of caring for dying patients and their families while providing and/or improving organ donation services...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437368/end-of-life-conversations-with-families-of-potential-donors-leading-practices-in-offering-the-opportunity-for-organ-donation
#5
Sam D Shemie, Adrian Robertson, Janice Beitel, Jennifer Chandler, Ed Ferre, Janet Evans, Mathias Haun, Sylvia Torrance
No abstract text is available yet for this article.
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437367/-effective-requesting-a-scoping-review-of-the-literature-on-asking-families-to-consent-to-organ-and-tissue-donation
#6
Jennifer A Chandler, Matthew Connors, Giles Holland, Sam D Shemie
BACKGROUND: Families are often asked to consent to the donation of their deceased relative's organs or tissues. These end-of-life conversations are important because they affect consent rates as well as the psychological impact of the decision for families. This scoping review of the literature on requesting family consent was prepared to support of the development of leading practice recommendations for end-of-life conversations with families of potential donors. A scoping review maps research activity in a field across a range of commentary and empirical study designs but does not attempt meta-synthesis of empirical data or quality assessment...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28433405/epidemiology-of-toxoplasma-gondii-among-blood-donors-in-iran-a-systematic-review-and-meta-analysis
#7
REVIEW
Akram Mansouri, Mohammad Reza Adhami Mojarad, Gholamreza Badfar, Lila Abasian, Shoboo Rahmati, Wesam Kooti, Mohammad Hossein YektaKooshali, Ali Soleymani, Milad Azami
INTRODUCTION: Asymptomatic Toxoplasma gondii transmitted from blood donors to receiving patients has become a concern. Numerous articles have been published on the epidemiology of T. gondii in blood donors in Iran and a systematic review of the results shows quite different findings, hence this study was conducted to determine the seroprevalence of T. gondii in Iranian blood donors using meta-analysis. METHODS: We searched for epidemiological studies that were published until July 2016 in eight English databases including: Scopus, PubMed, Ovid, Science Direct, Cochrane, Web of Science, Springer, Wiley Online Library, and four Iranian databases: Magiran, Iranmedex, SID and Medlib as well as Google Scholar...
March 29, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28431203/donor-safety-in-living-donor-liver-transplantation-the-korean-organ-transplantation-registry-kotry-study
#8
Jae Geun Lee, Kwang-Woong Lee, Choon Hyuck David Kwon, Chong Woo Chu, Bong-Wan Kim, Dong Lak Choi, Young Kyoung You, Dong-Sik Kim, Yang Won Nah, Koo Jeong Kang, In Soek Choi, Hee Chul Yu, Geun Hong, Ho-Seong Han, Shin Hwang, Myoung Soo Kim
Major concerns about donor safety cause controversy and limit the use of living donor liver transplantation to overcome organ shortages. The Korean Organ Transplantation Registry established a nationwide organ transplantation registration system in 2014. We reviewed the prospectively collected data of all 832 live liver donors who underwent procedures between April 2014 and December 2015. We allocated the donors to a left lobe group (n=59) and a right lobe group (n=773) and analyzed the relations between graft types and remaining liver volumes and complications (graded using the Clavien five-tier grading system)...
April 21, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28430068/caring-for-patients-or-organs-new-therapies-raise-new-dilemmas-in-the-emergency-department
#9
Arjun Prabhu, Lisa S Parker, Michael A DeVita
Two potentially lifesaving protocols, emergency preservation and resuscitation (EPR) and uncontrolled donation after circulatory determination of death (uDCDD), currently implemented in some U.S. emergency departments (EDs), have similar eligibility criteria and initial technical procedures, but critically different goals. Both follow unsuccessful cardiopulmonary resuscitation and induce hypothermia to "buy time": one in trauma patients suffering cardiac arrest, to enable surgical repair, and the other in patients who unexpectedly die in the ED, to enable organ donation...
May 2017: American Journal of Bioethics: AJOB
https://www.readbyqxmd.com/read/28429866/successful-multiple-organ-donation-after-donor-brain-death-due-to-actinomyces-israelii-meningitis
#10
Leonel Lagunes, Oscar Len, Alberto Sandiumenge, Elena Martínez-Saez, Tomás Pumarola, Marta Bodro, Antonio Macías, Jose T Silva, F Xavier Nuvials, Ramon Charco, Francesc Moreso, Teresa Pont
The increasing gap between availability of solid organs for transplantation and the demand has led to the inclusion of donors which according to current guidelines may be discarded, some of them because of the possibility for transmission of infection to their recipients. We present the first report, to the best of our knowledge, of a case of a brain-dead donor with a localized and treated Actinomyces israelii central nervous system infection who, after a thorough evaluation, led to successful transplant procedures in four recipients...
April 21, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28429325/gravitaxis-in-euglena
#11
Donat-P Häder, Ruth Hemmersbach
Motile microorganisms utilize a number of responses to external stimuli including light, temperature, chemicals as well as magnetic and electric fields. Gravity is a major clue to select a niche in their environment. Positive gravitaxis leads an organism down into the water column and negative gravitaxis brings it to the surface. In Euglena the precision of gravitaxis is regulated by an internal rhythm entrained by the daily light/dark cycle. This and the cooperation with phototaxis bring the cells into an optimal position in the water column...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28429324/photomovement-in-euglena
#12
Donat-P Häder, Mineo Iseki
Motile microorganisms such as the green Euglena gracilis use a number of external stimuli to orient in their environment. They respond to light with photophobic responses, photokinesis and phototaxis, all of which can result in accumulations of the organisms in suitable habitats. The light responses operate synergistically with gravitaxis, aerotaxis and other responses. Originally the microscopically obvious stigma was thought to be the photoreceptor, but later the paraxonemal body (PAB, paraflagellar body) has been identified as the light responsive organelle, located in the trailing flagellum inside the reservoir...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28426684/long-term-results-after-transplantation-of-pediatric-liver-grafts-from-donation-after-circulatory-death-donors
#13
Rianne van Rijn, Pieter E R Hoogland, Frank Lehner, Ernest L W van Heurn, Robert J Porte
BACKGROUND: Liver grafts from donation after circulatory death (DCD) donors are increasingly accepted as an extension of the organ pool for transplantation. There is little data on the outcome of liver transplantation with DCD grafts from a pediatric donor. The objective of this study was to assess the outcome of liver transplantation with pediatric DCD grafts and to compare this with the outcome after transplantation of livers from pediatric donation after brain death (DBD) donors. METHOD: All transplantations performed with a liver from a pediatric donor (≤16 years) in the Netherlands between 2002 and 2015 were included...
2017: PloS One
https://www.readbyqxmd.com/read/28426208/global-and-local-partitioning-of-the-charge-transferred-in-the-parr-pearson-model
#14
Angel Ulises Orozco-Valencia, José Luis Gázquez, Alberto Vela
Through a simple proposal, the charge transfer obtained from the cornerstone theory of Parr and Pearson is partitioned, for each reactant, in two channels: an electrophilic, through which the species accepts electrons, and the other, a nucleophilic, where the species donates electrons. It is shown that this global model allows us to determine unambiguously the charge transfer mechanism prevailing in a given reaction. The partitioning is extended to include local effects through the Fukui functions of the reactants...
April 20, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28425929/contradictions-and-promise-for-end-of-life-communication-among-family-and-friends-death-over-dinner-conversations
#15
Andrea Lambert South, Jessica Elton
The free, open-access website called "Let's Get Together and Talk about Death", or Death over Dinner (DoD), provides resources for initiating end-of-life conversations with family and friends by taking the frightening-talking about death-and transforming it into the familiar-a conversation over dinner. This qualitative, descriptive study uses grounded theory and thematic analysis to answer the following research question: How do friend and family groups communicate about death and dying in DoD conversations? To answer this question, 52 dinner groups were recruited and conversations were conducted, which consisted of a facilitator and volunteers...
April 20, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28424129/hospital-characteristics-affect-consent-and-conversion-rates-for-potential-organ-donors
#16
Jawad T Ali, Aileen Ebadat, Danilo Martins, Sadia Ali, Shannon Horton, Thomas B Coopwood, Carlos V R Brown
Consent and conversion rates of potential organ donors in the United States need to be maximized to match the number of individuals awaiting organ donation. Studies to date have not focused on characteristics of centers with better outcomes. We performed an 8-year (2006-2014) retrospective study of our local organ procurement organization database. We categorized hospitals in our region as academic centers versus nonacademic centers, trauma centers versus nontrauma centers, and large (≥400 beds) centers versus small (<400 beds) centers...
April 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28423110/organ-donation-and-transplantation-in-mexico-a-transplantation-health-professionals%C3%A2-perspective
#17
Luis Eduardo Hernández-Ibarra, Francisco J Mercado-Martínez, Anabel Martínez-Castañeda
Objective: We aimed to explore organ donation and transplantation in Mexico from the point of view of transplantation health professionals. Materials and methods: A qualitative study was carried out. Twenty six organ transplantation health professionals from seven states of Mexico participated. Semi-structured face-to-face interviews were conducted mainly in hospital settings. Critical discourse analysis was performed. Results: According to participants, living organ transplantation offers benefits for recipients as well as for donors...
January 2017: Salud Pública de México
https://www.readbyqxmd.com/read/28420910/awareness-and-attitudes-towards-organ-donation-among-medical-students-at-king-abdulaziz-university-jeddah-saudi-arabia
#18
Zaid Sayedalamin, Muhammad Imran, Osama Almutairi, Mohammed Lamfon, Majd Alnawwar, Mukhtiar Baig
OBJECTIVE: To assess awareness and attitude of medical students about organ donation. METHODS: This cross-sectional study was conducted in 2014 at King Abdulaziz University, Jeddah, Saudi Arabia, and comprised medical students. The participants were asked about their religious and other beliefs towards organ donation, their reasons for not donating organs, and their personal opinions about organ donation through a questionnaire. SPSS 21 was used for data analysis...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28418553/patients-with-out-of-hospital-cardiac-arrest-with-no-chance-of-survival-and-consideration-for-organ-donation
#19
Joséphine Escutnaire, Hervé Hubert, Pierre-Yves Dubien, Pierre-Yves Gueugniaud
No abstract text is available yet for this article.
April 18, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28418552/patients-with-out-of-hospital-cardiac-arrest-with-no-chance-of-survival-and-consideration-for-organ-donation
#20
Nicole Karam, Patricia Jabre, Florence Dumas, Alain Cariou, Xavier Jouven
No abstract text is available yet for this article.
April 18, 2017: Annals of Internal Medicine
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