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Face transplantation

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https://www.readbyqxmd.com/read/28532983/towards-the-goal-of-achieving-a-normal-duration-and-quality-of-life-after-fontan-operation-creation-of-the-international-fontan-interest-group-i-fig-an-international-collaborative-initiative-dedicated-to-improving-outcomes
#1
Yves d'Udekem, Jack Rychik
A growing population of patients are now surviving the Fontan procedure and face an uncertain future and a clear burden of disease. The best medical therapy and follow-up modalities for these patients have not yet been identified, indications for transplantation are unclear and we have not been successful in mechanically supporting their circulation. There has only been a limited number of trials to address these issues. An international group has now been created to launch the large scale multi-centric research needed to provide the best future to this growing population: the International Fontan Interest Group (I-FIG)...
May 11, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28529134/direct-reprogramming-epigenetics-and-cardiac-regeneration
#2
REVIEW
Shota Kurotsu, Takeshi Suzuki, Masaki Ieda
The discovery of induced pluripotent stem cells (iPSCs) has revolutionized regenerative medicine. Autologous iPSCs can be generated by introducing 4 stem cell-specific factors (Oct4, Sox2, Klf4, c-Myc) into fibroblasts. iPSCs can propagate indefinitely and differentiate into clinically important cell types including cardiomyocytes, in vitro. The iPSC-derived cardiomyocytes represent a promising source of cells for cell-based therapeutic approaches for cardiac regeneration. However, there are several challenges in the clinical application of iPSCs: tumorigenicity of immature cells, poor survival of the transplanted myocardial cells, and cost and efficacy of this therapeutic approach...
May 18, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28525959/challenges-and-opportunities-in-targeting-the-cd28-ctla-4-pathway-in-transplantation-and-autoimmunity
#3
Rebecca L Crepeau, Mandy L Ford
Introduction T cell activation is a complex process that requires multiple cell signaling pathways, including a primary recognition signal and additional costimulatory signals. One of the best-characterized costimulatory pathways includes the Ig superfamily members CD28 and CTLA-4 and their ligands CD80 and CD86. Areas Covered This review discusses past, current and future biological therapies that have been utilized to block the CD28/CTLA-4 cosignaling pathway in the settings of autoimmunity and transplantation, as well the challenges facing successful implementation of these therapies...
May 19, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28524625/mrna-decay-an-adaptation-tool-for-the-environmental-fungal-pathogen-cryptococcus-neoformans
#4
REVIEW
Amanda L M Bloom, Jay Leipheimer, John C Panepinto
Fungi are ubiquitous in the environment and humans constantly encounter them in the soil, air, water, and food. The vast majority of these interactions are inconsequential. However, in the context of immunodeficiency precipitated by HIV infection, hematologic malignancy, or transplantation, a small subset of fungi can cause devastating, systemic infection. The most deadly of the opportunistic environmental fungi, Cryptococcus neoformans, is estimated to cause hundreds of thousands of deaths per year, mostly in the context of HIV co-infection...
May 19, 2017: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/28508541/opt-in-or-opt-out-to-increase-organ-donation-in-south-africa-appraising-proposed-strategies-using-an-empirical-ethics-analysis
#5
Harriet Etheredge, Claire Penn, Jennifer Watermeyer
Utilising empirical ethics analysis, we evaluate the merits of systems proposed to increase deceased organ donation in South Africa (SA). We conclude that SA should maintain its soft opt-in policy, and enhance it with 'required transplant referral' in order to maximise donor numbers within an ethically and legally acceptable framework. In SA, as is the case worldwide, the demand for donor organs far exceeds the supply thereof. Currently utilising a soft opt-in system, SA faces the challenge of how to increase donor numbers in a context which is imbued with inequalities in access to healthcare, multiplicitous personal beliefs and practices, distrust of organ transplant and varying levels of education and health literacy...
May 16, 2017: Developing World Bioethics
https://www.readbyqxmd.com/read/28503345/awareness-and-attitudes-toward-organ-donation-in-rural-puducherry-india
#6
K L Balajee, N Ramachandran, L Subitha
BACKGROUND: For many of the end-stage organ diseases, organ transplantation is the most preferred treatment. The need for the organ transplantation is higher than the availability. For the transplantation program to be successful, awareness regarding organ donation is needed and people must have a positive attitude toward donating organs. AIM: This study aims to assess the awareness and attitudes regarding organ donation among the rural population and to evaluate the sociodemographic factors associated with their awareness...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28501454/masseteric-nerve-for-gracilis-muscle-re-innervation-in-unilateral-facial-palsy-impact-on-quality-of-life
#7
B Bianchi, A Ferri, V Poddi, M Bergonzani, G Pedrazzi, S Ferrari, E Sesenna
BACKGROUND: Unilateral established or congenital facial palsies are usually treated with neuromuscular transplantation to reanimate the impaired side of the face. One of the most debated points is the motor nerve to choose for the reinnervation of the transplant. Contra-lateral healthy facial nerve is usually preferred, but in selected cases motor nerve to masseter is considered a valuable option. However only a few clinical studies focused on quality of life in this subset of patients are available in literature...
April 7, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28496386/soft-tissue-management-in-facial-trauma
#8
REVIEW
Tara L Braun, Renata S Maricevich
The management of soft tissue injury after facial trauma poses unique challenges to the plastic surgeon, given the specialized nature of facial tissue and the aesthetic importance of the face. The general principles of trauma management and wound care are applied in all cases. The management of severe injuries to the face is discussed in relation to the location and the mechanism of injury. Facial transplants have arisen in the past decade for the management of catastrophic soft tissue defects, although high morbidity and mortality after these non-life-saving operations must be considered in patient selection...
May 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28495106/israel-health-and-beyond
#9
REVIEW
Karl Skorecki, Richard Horton
The principle that global human identity and dignity supersede other values is a broadly accepted conviction that guides practice and policies in the realm of human health in most of the world. An assessment of the level of success that Israel has achieved in health, in the face of formidable challenges, including rapid population growth, diverse and often divided ethnic affiliations, and existential security threats, leads us to propose that extension of this principle of global human identity and dignity, together with the objective of a decent society, as overriding values beyond health to other domains of human endeavour within Israel and in its relations with neighbouring peoples, represents an entirely achievable imperative...
May 5, 2017: Lancet
https://www.readbyqxmd.com/read/28493926/obesity-and-access-to-kidney-transplantation-in-patients-starting-dialysis-a-prospective-cohort-study
#10
Mathilde Lassalle, Léopold K Fezeu, Cécile Couchoud, Thierry Hannedouche, Ziad A Massy, Sébastien Czernichow
BACKGROUND: Obesity has been linked to poor access to medical care. Although scientific evidence suggest that kidney transplantation improves survival and quality of life in obese patients with end-stage renal disease (ESRD), few data exist on the impact of obesity on access to kidney transplantation in this population. OBJECTIVES: We aimed to characterize the relationships between body mass index (BMI) at the start of dialysis, changes in BMI after the start of dialysis, and either access to kidney transplantation or overall mortality in dialysis or transplantation among ESRD patients...
2017: PloS One
https://www.readbyqxmd.com/read/28493355/consideration-of-difficulties-and-exit-strategies-in-a-case-of-face-allotransplantation-resulting-in-failure
#11
Özlenen Özkan, Ömer Özkan, Umuttan Doğan, Vural Taner Yılmaz, Hilmi Uysal, Levent Ündar, Ebru Apaydın Doğan, Ozan Salim, Anı Çinpolat, Atilla Ramazanoglu
We describe the first rescue procedure in a case of total face allotransplantation. The recipient was a 54-year-old man with severe disfigurement of the entire face following an accidental gunshot injury 5 years previously. The large defect included the maxilla, mandible, and mid-face. Full face procurement was performed from a multiorgan cadaveric donor and was allotransplanted to the recipient. The post-transplant induction immunosuppressive regimen included ATG combined with tacrolimus, mycophenolate mofetil, and prednisone, while maintenance was provided by the last three of these...
May 11, 2017: Microsurgery
https://www.readbyqxmd.com/read/28489436/liver-transplantation-post-transplant-management
#12
Neil Halliday, Rachel H Westbrook
Medical care for patients following liver transplantation is complex and requires a holistic approach to management. Patients and clinicians are faced with multiple challenges: immunosuppressive regimens must be optimized to avoid and treat graft rejection, the risk and atypical features of sepsis in the immunocompromised patient must be recognized, steps are required to reduce the recurrence of liver disease and the long-term increased risks of malignancy, renal failure and metabolic complications need managing...
May 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28483926/some-gram-negative-lipoproteins-keep-their-surface-topology-when-transplanted-from-one-species-to-another-and-deliver-foreign-polypeptides-to-the-bacterial-surface
#13
Laura Fantappiè, Carmela Irene, Micaela De Santis, Alessandro Armini, Assunta Gagliardi, Michele Tomasi, Matteo Parri, Valeria Cafardi, Serena Bonomi, Luisa Ganfini, Francesca Zerbini, Ilaria Zanella, Chiara Carnemolla, Luca Bini, Alberto Grandi, Guido Grandi
In Gram-negative bacteria, outer membrane-associated lipoproteins can either face the periplasm or protrude out of the bacterial surface. The mechanisms involved in lipoprotein transport through the outer membrane are not fully elucidated. Some lipoproteins reach the surface by using species-specific transport machinery. By contrast, a still poorly characterized group of lipoproteins appears to always cross the outer membrane, even when transplanted from one organism to another. To investigate such lipoproteins, we tested the expression and compartmentalization in E...
May 8, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28457372/lung-transplantation-from-donors-after-previous-cardiac-surgery-ideal-graft-in-marginal-donor
#14
A Palleschi, P Mendogni, D Tosi, M Montoli, R Carrinola, A V Mariolo, F Briganti, M Nosotti
Lung transplantation is a limited by donor pool shortage. Despite the efforts to extend the graft acceptability with recurrent donor criteria reformulations, previous cardiothoracic surgery is still considered a contraindication. A donor who underwent cardiac surgery could potentially provide an ideal lung but high intraoperative risks and intrinsic technical challenges are expected during the graft harvesting. The purpose of this study is to present our dedicated protocol and four clinical cases of successful lung procurements from donors who had a previous major cardiac surgery...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28456755/light-chain-cardiac-amyloidosis-strategies-to-promote-early-diagnosis-and-cardiac-response
#15
REVIEW
Martha Grogan, Angela Dispenzieri, Morie A Gertz
Amyloid light chain (AL) amyloidosis is a systemic disease characterised by the aggregation of misfolded immunoglobulin light chain (LC), predominantly in the heart and kidneys, causing organ failure. If untreated, the median survival of patients with cardiac AL amyloidosis is 6 months from the onset of heart failure. Protracted time to establish a diagnosis, often lasting >1 year, is a frequent factor in poor treatment outcomes. Cardiologists, to whom patients are often referred, frequently miss the opportunity to diagnose cardiac AL amyloidosis...
April 29, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28447930/a-novel-and-simple-method-for-tracheal-intubation-in-a-swine-model-preparing-for-the-era-of-xenotransplantation
#16
Hyub Huh, Hyong Hwan Lim, Ji Yeong Kim, Hye Won Shin, Hae Ja Lim, Suk Min Yoon, Seung Zhoo Yoon, Hye Won Lee
OBJECTIVES: Organ transplant in humans is an established therapy for a variety of end-stage organ diseases. However, due to organ shortages and lack of donors, the need for xenotransplant has gradually increased. Xenotransplantation has great potential to solve many of the problems facing organ transplantation. Pigs are being developed as xenogeneic organ donors for use in humans. In this study, we propose a novel and simple method for tracheal intubation in a swine model using neuromuscular blocking agents and laryngeal mask airway...
April 27, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28445377/first-lower-two-thirds-osteomyocutaneous-facial-allograft-perfused-by-a-unilateral-facial-artery-outcomes-and-vascularization-at-1-year-after-transplantation
#17
Sebastian Fischer, Thomas C Lee, Nicco Krezdorn, Muayyad Alhefzi, Maximilian Kueckelhaus, Ericka M Bueno, Bohdan Pomahac
BACKGROUND: Facial allotransplantation provides a unique opportunity to restore facial form and function in severely disfigured patients. Using a single unilateral facial artery for vascularization can significantly reduce surgical duration and thus facilitate the practice of face transplantation. METHODS: A 33-year-old man with a history of high-energy ballistic trauma received a facial allograft comprising the lower two-thirds of the face, including maxilla and mandible...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28434583/a-proposal-for-new-neurorehabilitative-intervention-on-moebius-syndrome-patients-after-smile-surgery-proof-of-concept-based-on-mirror-neuron-system-properties-and-hand-mouth-synergistic-activity
#18
REVIEW
Pier Francesco Ferrari, Anna Barbot, Bernardo Bianchi, Andrea Ferri, Gioacchino Garofalo, Nicola Bruno, Gino Coudé, Chiara Bertolini, Martina Ardizzi, Ylenia Nicolini, Mauro Belluardo, Elisa De Stefani
Studies of the last twenty years on the motor and premotor cortices of primates demonstrated that the motor system is involved in the control and initiation of movements, and in higher cognitive processes, such as action understanding, imitation, and empathy. Mirror neurons are only one example of such theoretical shift. Their properties demonstrate that motor and sensory processing are coupled in the brain. Such knowledge has been also central for designing new neurorehabilitative therapies for patients suffering from brain injuries and consequent motor deficits...
May 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28428847/lichen-acclimation-to-changing-environments-photobiont-switching-vs-climate-specific-uniqueness-in-psora-decipiens
#19
Laura Williams, Claudia Colesie, Anna Ullmann, Martin Westberg, Mats Wedin, Burkhard Büdel
Unraveling the complex relationship between lichen fungal and algal partners has been crucial in understanding lichen dispersal capacity, evolutionary processes, and responses in the face of environmental change. However, lichen symbiosis remains enigmatic, including the ability of a single fungal partner to associate with various algal partners. Psora decipiens is a characteristic lichen of biological soil crusts (BSCs), across semi-arid, temperate, and alpine biomes, which are particularly susceptible to habitat loss and climate change...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28425018/hepatocellular-carcinoma-and-liver-transplantation-changing-patterns-and-practices
#20
REVIEW
Nicole E Rich, Neehar D Parikh, Amit G Singal
Benefits of liver transplantation (LT) for patients with hepatocellular carcinoma (HCC) are well established. However, there is debate regarding optimal and equitable selection of patients best served by LT, particularly in the face of limited organ availability. Herein, we discuss topics regarding LT selection criteria for patients with HCC. Recent change in UNOS policy currently mandates a 6-month observation period prior to priority listing and institutes a cap of 34 MELD exception points for patients with HCC...
April 19, 2017: Current Treatment Options in Gastroenterology
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