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https://www.readbyqxmd.com/read/28098622/physician-assisted-suicide-and-euthanasia-in-the-icu-a-dialogue-on-core-ethical-issues
#1
Ewan C Goligher, E Wesley Ely, Daniel P Sulmasy, Jan Bakker, John Raphael, Angelo E Volandes, Bhavesh M Patel, Kate Payne, Annmarie Hosie, Larry Churchill, Douglas B White, James Downar
OBJECTIVE: Many patients are admitted to the ICU at or near the end of their lives. Consequently, the increasingly common debate regarding physician-assisted suicide and euthanasia holds implications for the practice of critical care medicine. The objective of this article is to explore core ethical issues related to physician-assisted suicide and euthanasia from the perspective of healthcare professionals and ethicists on both sides of the debate. SYNTHESIS: We identified four issues highlighting the key areas of ethical tension central to evaluating physician-assisted suicide and euthanasia in medical practice: 1) the benefit or harm of death itself, 2) the relationship between physician-assisted suicide and euthanasia and withholding or withdrawing life support, 3) the morality of a physician deliberately causing death, and 4) the management of conscientious objection related to physician-assisted suicide and euthanasia in the critical care setting...
February 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28092615/immunoreactivity-of-arcuate-nucleus-astrocytes-in-rats-after-intragastric-administration-of-habanero-peppers-capsicum-chinese-jacq
#2
K Rycerz, A Krawczyk, J Jaworska-Adamu, M Gołyński, K Lutnicki, I Balicki
Habanero pepper fruits contain capsaicin (CAP) characterised by a spicy taste. Astrocytes express vanilloid receptor (TRPV1), which interacts with cannabinoids including CAP. Only a few studies revealed that CAP leads to alterations of the arcuate nucleus (ARC) structures. The aim of this study was to analyse the GFAP (GFAP-IR) and S100β (S100β-IR) immunoreactive astrocytes of ARC in adult rats after intragastric administration of habanero pepper fruits. Adult, Wistar rats received a peanut oil - control group (C) - and oil suspension of habanero pepper fruits at a dose of 0...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28089290/assessing-circumstances-and-causes-of-dairy-cow-death-in-italian-dairy-farms-through-a-veterinary-practice-survey-2013-2014
#3
Francesca Fusi, Alessandra Angelucci, Valentina Lorenzi, Luca Bolzoni, Luigi Bertocchi
A questionnaire survey about on farm dairy cow mortality was carried out among veterinary practitioners in Italy between January 2013 and May 2014. The study aimed at investigating the main circumstances of death in dairy cows (euthanasia, emergency slaughter or unassisted death), the primary causes and the risk factors of death. Out of 251 dead cows involved (across 137 farms), 54.6% died assisted and 45.4% were found dead. The main causes of death were metabolic/digestive disorders (22.3%) and mastitis/udder problems (17...
January 6, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28088867/the-political-use-of-psychiatry-a-comparison-between-totalitarian-regimes
#4
Massimiliano Buoli, Aldo Sabino Giannuli
BACKGROUND: After the end of Second World War, the recent experience of the Nazi horrors stimulated a debate about the political use of psychiatry. Over the years, the focus shifted on major dictatorships of the time and especially on Soviet Union. AIMS: This article aims to provide a critical review of the ways in which psychiatry was used by totalitarian regimes of the 20th century. METHODS: We summarized relevant literature about political use of psychiatry in totalitarian regimes of the 20th century, with particular focus on Fascism, Nazism, Argentina dictatorship, Soviet Union and China...
January 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28087985/prophylactic-tributyrin-treatment-mitigates-chronic-binge-alcohol-induced-intestinal-barrier-and-liver-injury
#5
Gail A Cresci, Bryan Glueck, Megan R McMullen, Wei Xin, Danielle Allende, Laura E Nagy
BACKGROUND/AIM: Impaired gut-liver axis is a potential factor contributing to alcoholic liver disease. Ethanol depletes intestinal integrity and causes gut dysbiosis. Butyrate, a fermentation byproduct of gut microbiota, is altered negatively following chronic ethanol exposure. This study aimed to determine whether prophylactic tributyrin could protect the intestinal barrier and liver in mice during combined chronic-binge ethanol exposure. METHODS: C57BL/6 J mice exposed to 5% v/v ethanol-containing diet for 10 days received a single ethanol gavage (5 g/kg) 9 hrs prior to euthanasia...
January 14, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28087806/splenectomy-does-not-improve-long-term-outcome-after-stroke
#6
Dannielle Zierath, Angela Shen, Astiana Stults, Theresa Olmstead, Kyra J Becker
BACKGROUND AND PURPOSE: Immune responses to brain antigens after stroke contribute to poor outcome. We hypothesized that splenectomy would lessen the development of such responses and improve outcome. METHODS: Male Lewis rats (275-350 g) underwent 2-hour middle cerebral artery occlusion immediately after splenectomy or sham splenectomy. Animals were survived to 4 weeks (672 hrs), and immune responses to myelin basic protein determined at euthanasia. Infarct volume was determined in a subset of animals euthanized at 72 hours...
January 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28081552/demographic-and-psychological-correlates-of-new-zealanders-support-for-euthanasia
#7
Carol Hj Lee, Isabelle M Duck, Chris G Sibley
AIMS: To explore the distribution of New Zealanders' support towards the legalisation of euthanasia and examine demographic and psychological factors associated with these attitudes. METHODS: 15,822 participants responded to the 2014/15 New Zealand Attitudes and Values Study (NZAVS) survey. This survey included an item on people's attitudes towards euthanasia, and information on their demographic and psychological characteristics. RESULTS: The majority of New Zealanders expressed support for euthanasia, which was assessed by asking "Suppose a person has a painful incurable disease...
January 13, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28081156/generation-of-a-stable-transgenic-swine-model-expressing-a-porcine-histone-2b-egfp-fusion-protein-for-cell-tracking-and-chromosome-dynamics-studies
#8
Renan B Sper, Sehwon Koh, Xia Zhang, Sean Simpson, Bruce Collins, Jeff Sommer, Robert M Petters, Ignacio Caballero, Jeff L Platt, Jorge A Piedrahita
Transgenic pigs have become an attractive research model in the field of translational research, regenerative medicine, and stem cell therapy due to their anatomic, genetic and physiological similarities with humans. The development of fluorescent proteins as molecular tags has allowed investigators to track cell migration and engraftment levels after transplantation. Here we describe the development of two transgenic pig models via SCNT expressing a fusion protein composed of eGFP and porcine Histone 2B (pH2B)...
2017: PloS One
https://www.readbyqxmd.com/read/28080904/photoreceptor-degeneration-in-a-mountain-lion-cub-puma-concolor
#9
Andrew R DiSalvo, Christopher M Reilly, K Tomo Wiggans, Leslie W Woods, Ray F Wack, Deana L Clifford
An orphaned 4-mo-old female mountain lion cub ( Puma concolor ) was captured along the coastline in Montaña de Oro State Park in Los Osos, California, USA. Following suspicion that the cub was visually impaired, ophthalmic examination revealed diffuse bilateral retinal atrophy. Due to a poor prognosis, humane euthanasia was elected. Necropsy and histopathological findings were consistent with photoreceptor degeneration. Based on the cub's signalment, history, and histopathology, a genetic or nutritional etiology was suspected, with the former etiology more strongly supported...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28076474/growth-factors-and-cox2-in-wound-healing-an-experimental-study-with-ehrlich-tumors
#10
Flávio L L Salgado, Ricardo Artigiani-Neto, Gaspar de Jesus Lopes-Filho
Background: Healing is an innate biological phenomenon, and carcinogenesis acquired, but with common humoral and cellular elements. Carcinogenesis interferes negatively in healing. Aim: To evaluate the histological changes in laparotomy scars of healthy Balb/c mice and with an Ehrlich tumor in its various forms of presentation. Methods: Fifty-four mice were divided into three groups of 18 animals. First group was the control; the second had Ehrlich tumor with ascites; and the third had the subcutaneous form of this tumor...
November 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28076432/development-of-a-humane-slaughter-device-for-green-turtles-for-use-by-traditional-owners-in-the-torres-strait-islands-australia
#11
Mark Flint, Paul C Mills, Frank Loban, Tristan Simpson, Stan Lui, Ronald Fujii, Don Whap, Jaylene B Flint, Helen Owen
Marine turtles are caught and slaughtered for consumption as part of traditional indigenous community harvest in Australia as well as in many countries in which marine turtles can be found. However, changes to the Animal Care and Protection Act 2001 in 2012 resulted in Australian indigenous hunters becoming potentially liable to prosecution for using traditional practices to slaughter marine turtles. To provide indigenous hunters with an alternative scientifically tested method to hunt, we developed and tested a humane method as an option to use in indigenous communities...
2017: PloS One
https://www.readbyqxmd.com/read/28074710/canine-spinal-cord-glioma
#12
Daniel R Rissi, Renee Barber, Annabelle Burnum, Andrew D Miller
Spinal cord glioma is uncommonly reported in dogs. We describe the clinicopathologic and diagnostic features of 7 cases of canine spinal cord glioma and briefly review the veterinary literature on this topic. The median age at presentation was 7.2 y. Six females and 1 male were affected and 4 dogs were brachycephalic. The clinical course lasted from 3 d to 12 wk, and clinical signs were progressive and associated with multiple suspected neuroanatomic locations in the spinal cord. Magnetic resonance imaging of 6 cases revealed T2-weighted hyperintense lesions with variable contrast enhancement in the spinal cord...
January 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28065163/diagnostic-approach-to-catastrophic-musculoskeletal-injuries-in-racehorses
#13
Santiago S Diab, Susan M Stover, Francisco Carvallo, Akinyi C Nyaoke, Janet Moore, Ashley Hill, Rick Arthur, Francisco A Uzal
Catastrophic musculoskeletal injuries are the most common cause of euthanasia or spontaneous death in racehorses, and the most common cause of jockey falls with potential for serious human injury. Horses are predisposed to the vast majority of these injuries by preexisting lesions that can be prevented by early diagnosis and adequate bone injury management. A thorough examination of the musculoskeletal system in racehorses often determines the cause of these injuries and generates data to develop injury prevention strategies...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28062650/euthanasia-embedded-in-palliative-care-responses-to-essentialistic-criticisms-of-the-belgian-model-of-integral-end-of-life-care
#14
Jan L Bernheim, Kasper Raus
The Belgian model of 'integral' end-of-life care consists of universal access to palliative care (PC) and legally regulated euthanasia. As a first worldwide, the Flemish PC organisation has embedded euthanasia in its practice. However, some critics have declared the Belgian-model concepts of 'integral PC' and 'palliative futility' to fundamentally contradict the essence of PC. This article analyses the various essentialistic arguments for the incompatibility of euthanasia and PC. The empirical evidence from the euthanasia-permissive Benelux countries shows that since legalisation, carefulness (of decision making) at the end of life has improved and there have been no significant adverse 'slippery slope' effects...
January 6, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28058735/safe-use-of-anti-cd154-monoclonal-antibody-in-pig-islet-xenotransplantation-in-monkeys
#15
Rita Bottino, Michael F Knoll, Joshua Graeme-Wilson, Edwin C Klein, David Ayares, Massimo Trucco, David K C Cooper
Anti-CD154mAb is a powerful co-stimulation blockade agent that is efficacious in preventing rejection, even in xenogeneic settings. It has been used in the majority of successful long-term pig-to-non-human primate islet transplantation models. However, its clinical use was halted as a result of thromboembolic complications that were also observed in preclinical and clinical organ transplantation models. An anti-CD154mAb was administered to 14 streptozotocin-induced diabetic cynomolgus monkey recipients of porcine islets, some of which received the agent for many months...
January 6, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28057526/even-with-rehydration-preservation-in-ethanol-influences-the-mechanical-properties-of-bone-and-how-bone-responds-to-experimental-manipulation
#16
Evan O Vesper, Max A Hammond, Matthew R Allen, Joseph M Wallace
Typically, bones are harvested at the time of animal euthanasia and stored until mechanical testing. However, storage methods are not standardized, and differential effects on mechanical properties are possible between methods. The goal of this study was to investigate the effects that two common preservation methods (freezing wrapped in saline-soaked gauze and refrigerating ethanol fixed samples) have on bone mechanical properties in the context of an in vitro ribosylation treatment designed to modify mechanical integrity...
January 3, 2017: Bone
https://www.readbyqxmd.com/read/28054383/comparison-between-two-antimicrobial-protocols-with-or-without-guided-bone-regeneration-in-the-treatment-of-peri-implantitis-a-histomorphometric-study-in-dogs
#17
Umberto Demoner Ramos, Flavia Adelino Suaid, Ulf M E Wikesjö, Cristiano Susin, Mario Taba, Arthur Belém Novaes
OBJECTIVES: This study used a dog model to evaluate two antimicrobial protocols with or without guided bone regeneration (GBR) in the surgical reconstruction of peri-implantitis defects. MATERIAL AND METHODS: Eight beagle dogs subject to ligature-induced peri-implantitis were used. The animals either received antimicrobial photodynamic therapy or topical tetracycline hydrochloride combined with GBR or as stand-alone surgical interventions. Block biopsies of the defect sites for histological analysis were obtained at euthanasia, 12 weeks postsurgery...
January 5, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28052721/the-practice-of-terminal-discharge
#18
Lalit Kumar Radha Krishna, Vengadasalam Murugam, Daniel Song Chiek Quah
'Terminal discharges' are carried out in Singapore for patients who wish to die at home. However, if due diligence is not exercised, parallels may be drawn with euthanasia. We present a theoretical discussion beginning with the definition of terminal discharges and the reasons why they are carried out in Singapore. By considering the intention behind terminal discharges and utilising a multidisciplinary team to deliberate on the clinical, social and ethical intricacies with a patient- and context-specific approach, euthanasia is avoided...
January 1, 2017: Nursing Ethics
https://www.readbyqxmd.com/read/28047658/we-fg-bra-05-potential-clinical-benefit-of-linac-flattening-filter-free-fff-mode-improvement-of-treatment-therapeutic-ratio
#19
S Chang, J Rivera, H Tian, A Price, C Santos, Y Zhang
PURPOSE: Ultrahigh dose-rate radiation at >40Gy/s has demonstrated astonishing normal-tissue sparing and tumor control in recent preclinical naive and tumor-bearing rodent studies when compared to the same radiation dose at a conventional dose-rate. The working mechanism of this fascinating dose-rate effect is currently under investigation. The aims of this work include investigating 1) whether LINAC FFF mode radiation at approximately 1Gy/s also has an improved therapeutic ratio compared to the same radiation dose at the conventional dose-rate of 0...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047017/su-c-204-07-radiation-therapy-as-a-potential-treatment-for-obesity-initial-data-from-a-preclinical-investigation
#20
A Pasciak, Y Bradley, L Nodit, A Bourgeois, B Paxton, A Arepally
PURPOSE: To evaluate the feasibility of Yttrium-90 (90Y) radionuclide therapy as a potential treatment for obesity in a porcine model. As the only appetite-stimulating hormone, localized targeting of ghrelin-producing X/A cells in the fundus of the stomach using 90Y may reduce serum ghrelin levels and decrease hunger. METHODS: Under approval of the University of Tennessee IACUC, 8 young female pigs aged 12-13 weeks and weighing 21.8-28.1 Kg were included in this study...
June 2016: Medical Physics
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