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https://www.readbyqxmd.com/read/28734125/a-systematic-review-and-meta-analysis-of-cold-in-situ-perfusion-and-preservation-of-the-hepatic-allograft-working-towards-a-unified-approach
#1
REVIEW
Ahmer M Hameed, Jerome M Laurence, Vincent W T Lam, Henry C Pleass, Wayne J Hawthorne
BACKGROUND: The efficacy of cold in situ perfusion and static storage of the liver is one possible determinant of transplantation outcomes. The aim of this study was to determine whether there is evidence to substantiate a preference for a particular perfusion route (aortic or dual) or perfusion/preservation solution in donation after brain-death (DBD) liver transplantation. METHODS: The Embase, Medline and Cochrane databases were utilized (1980-2017). Random effects modeling was used to estimate effects on transplantation outcomes based upon (i) aortic or dual in situ perfusion, and (ii) the use of University of Wisconsin (UW), histidine-tryptophan-ketoglutarate (HTK), Celsior and/or Institut Georges Lopez-1 (IGL-1) for perfusion/preservation...
July 22, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28732093/attitudes-among-transplant-professionals-regarding-shifting-paradigms-in-eligibility-criteria-for-live-kidney-donation
#2
Jeffrey A Lafranca, Emerentia Q W Spoon, Jacqueline van de Wetering, Jan N M IJzermans, Frank J M F Dor
BACKGROUND: The transplant community increasingly accepts extended criteria live kidney donors, however, great (geographical) differences are present in policies regarding the acceptance of these donors, and guidelines do not offer clarity. The aim of this survey was to reveal these differences and to get an insight in both centre policies as well as personal beliefs of transplant professionals. METHODS: An online survey was sent to 1128 ESOT-members. Questions were included about several extended donor criteria; overweight/obesity, older age, vascular multiplicity, minors as donors and comorbidities; hypertension, impaired fasting glucose, kidney stones, malignancies and renal cysts...
2017: PloS One
https://www.readbyqxmd.com/read/28732090/incidence-predictors-and-severity-of-adverse-events-among-whole-blood-donors
#3
Hamdan Almutairi, Mahmoud Salam, Abdulaziz Alajlan, Faisal Wani, Bushra Al-Shammari, Khaled Al-Surimi
BACKGROUND: Adverse events have been reported post blood donation. Donors might refrain from donating again due to such events which lowers the blood supply in collection centers. AIM: This study measured the incidence, predictors and severity of adverse events among donors of a single whole blood unit at one of the largest donation centers in Saudi Arabia. METHODS: A retrospective cohort was conducted in 2015 to investigate the adverse events immediately post donation...
2017: PloS One
https://www.readbyqxmd.com/read/28731905/validation-of-the-prognostic-kidney-donor-risk-index-kdri-scoring-system-of-deceased-donors-for-renal-transplantation-in-the-netherlands
#4
Hessel Peters-Sengers, Martin B A Heemskerk, Ronald B Geskus, Jesper Kers, Jaap J Homan van der Heide, Stefan P Berger, Frederike J Bemelman
BACKGROUND: The prognostic Kidney Donor Risk Index (KDRI)-developed and internally validated in the US-is a widely-used tool to predict transplant outcome of a deceased donor kidney. The KDRI is currently used for longevity matching between donors and recipients in the US. METHODS: We aimed to externally validate the KDRI as proposed by Rao et al, (2009) containing 10 donor factors (KDRIdonor-only) and 1 with 4 additional transplant factors (KDRIfull), with stratification on recipient age and diabetes...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731275/exceptionally-strong-electron-donating-ability-of-bora-ylide-substituent-vis-%C3%A3-vis-silylene-and-silylium-ion
#5
Alfredo Rosas-Sánchez, Isabel Alvarado-Beltran, Antoine Baceiredo, Nathalie Saffon-Merceron, Stéphane Massou, Vicenç Branchadell, Tsuyoshi Kato
Electropositive boron-based substituent (phosphonium bora-ylide) with an exceptionally strong π- and σ-electron donating character dramatically increases the stability of a new type of N-heterocyclic silylene 2 featuring amino- and bora-ylide-substituents. Moreover, the related silylium ion 4 and transition-metal-silylene complexes, with trigonal-planar geometries around the silicon center, are also well stabilized. Therefore, the N,B-heterocyclic silylene 2 can be used as a strongly electron-donating innocent ligand in coordination chemistry similarly to N-heterocyclic carbenes...
July 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28730708/evaluation-of-the-hypocholesterolemic-effect-and-prebiotic-activity-of-a-lentil-lens-culinaris-medik-extract
#6
Maria Vittoria Micioni Di Bonaventura, Cinzia Cecchini, Pilar Vila Donat, Giovanni Caprioli, Carlo Cifani, Maria Magdalena Coman, Alberto Cresci, Dennis Fiorini, Massimo Ricciutelli, Stefania Silvi, Sauro Vittori, Gianni Sagratini
SCOPE: the aim of our work was to produce a hydroalcoholic extract of lentils and to examine: a) the hypocholesterolemic action in an animal model, by studying the plasma cholesterol level and the concentration of bile acids in the faeces; b) the potential prebiotic effect, by conducting an in vitro culture fermentation experiment and assessing the level of short chain fatty acids (SCFAs) in the faeces of rats. METHODS AND RESULTS: Lentil extract (LE) was obtained by extracting lentils with a solution of H2 0/EtOH (70/30 v/v) for 3 h, and the content of main nutrients was determined...
July 21, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28730190/comparison-of-halide-receptors-based-on-h-halogen-chalcogen-pnicogen-and-tetrel-bonds
#7
Steve Scheiner
A series of halide receptors are constructed and the geometries and energetics of their binding to F(-), Cl(-), and Br(-) assessed by quantum calculations. The dicationic receptors are based on a pair of imidazolium units, connected via a benzene spacer. The imidazoliums each donate a proton to a halide in a pair of H-bonds. Replacement of the two bonding protons by Br leads to binding via a pair of halogen bonds. Likewise, chalcogen, pnicogen, and tetrel bonds occur when the protons are replaced, respectively, by Se, As, and Ge...
July 21, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28730112/evaluation-of-antioxidants-and-argpyrimidine-in-normal-and-cataractous-lenses-in-north-indian-population
#8
Bharani K Mynampati, Sujata Ghosh, Thungapathra Muthukumarappa, Jagat Ram
AIM: To assess the level of glutathione, thioltransferase, and argpyrimidine in nuclear and cortical cataractous lenses as well as in the clear lenses in the north Indian population. METHODS: Human cataractous lenses were collected from the patients who underwent extracapsular cataract extraction surgery; clear lenses were collected from the freshly donated eye bank eyes. Antioxidant molecules such as glutathione and thioltransferase enzyme activity were measured; simultaneously in these lenses a blue fluorophore argpyrimidine, an advanced glycation end (AGE) product level was assessed using high performance liquid chromatography (HPLC)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730094/organ-transplantation-scandal-influencing-corneal-donation-rate
#9
Tobias Röck, Matthias Bramkamp, Karl Ulrich Bartz-Schmidt, Daniel Röck
In the majority of countries, there is a shortage of donor corneas for corneal transplantations. This study investigated the impact of organ transplantation scandals on corneal donation rate at the University Hospital Tübingen. Each deceased patient was considered as a potential corneal donor. An ophthalmic resident handled with stable methods of procedures the corneal donor procurement from 2009 to 2015. The rates of corneal donation were examined and analyzed. Among the 5712 hospital deaths, consent for corneal donation was obtained in 711 cases...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729907/current-status-of-pediatric-transplantation-in-japan
#10
REVIEW
Nao Nishimura, Mureo Kasahara, Kenji Ishikura, Satoshi Nakagawa
Brain-dead donor organ transplantation has been available to children in Japan since the 2010 revision of the Organ Transplant Law. Of the 50-60 brain-dead donor organ transplants performed annually in Japan, however, very few (0-4 per year) are performed in children. Again, while those receiving liver, heart, and kidney transplants are reported to fare better than their counterparts in the rest of the world, organ shortage is becoming a matter of great concern. Very few organs become available from brain-dead donors or are transplanted to adults if made available at all, with some children dying while on the brain-dead organ waiting list...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28728530/the-fate-of-unused-embryos-discourses-action-possibilities-and-subject-positions
#11
Sonja Goedeke, Ken Daniels, Mark Thorpe, Elizabeth du Preez
Although in vitro fertilization (IVF) has offered hope to those struggling with infertility, it has also had some unintended consequences, including the fate of embryos that may be "surplus" to requirement following IVF treatment. The number of embryos in storage across the world is high, creating a dilemma for patients who need to make disposal decisions, as well as presenting an administrative and practical dilemma for clinics. Research has suggested that patients' views of the status of their embryo/s may affect their disposal decisions, and yet the nature of the links between views of the embryo and decisions to either donate or discard remain unclear...
August 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28728474/sperm-donation-and-the-right-to-privacy
#12
Oliver Hallich
Sperm donation is an increasingly common method of assisted reproduction. In the debate on sperm donation, the right to privacy - construed as a right that refers to the limits of the realm of information to which others have access - plays a pivotal role with regard to two questions. The first question is whether the sperm donor's right to privacy implies his right to retain his anonymity, the second is whether the gamete recipients' right to privacy entitles them to withhold information about the circumstances of their conception from their donor-conceived offspring...
July 20, 2017: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
https://www.readbyqxmd.com/read/28727995/physician-perceptions-about-living-organ-donation-in-patients-with-amyotrophic-lateral-sclerosis
#13
S Ansari, M B Bromberg, S B Gibson
OBJECTIVES: Patients with Amyotrophic Lateral Sclerosis (ALS) have expressed desire to become living organ donors but are unable to do so with current organ donation policies. Our objective is to assess ALS patient's interest in organ donation, and perceived concerns of this practice by ALS neurologists. PATIENTS AND METHODS: An electronic survey was administered to ALS neurologists across the United States regarding living organ donation in ALS patients prior to respiratory failure...
July 5, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28727178/tailored-band-gaps-in-sulphur-and-nitrogen-containing-porous-donor-acceptor-polymers-snps
#14
Dana Schwarz, Yaroslav S Kochergin, Amitava Acharja, Arun Ichangi, Maksym V Opanasenko, Jiří Čejka, Uwe Lappan, Pal Arki, Junjie He, Johannes Schmidt, Petr Nachtigall, Arne Thomas, Michael Janus Bojdys
Donor-acceptor dyads hold the key to tuning of electrochemical properties and enhanced mobility of charge carriers, yet their incorporation into a heterogeneous polymer network proves difficulty due to the fundamentally different chemistry of the donor- and acceptor-subunits. We present a family of sulphur and nitrogen containing porous polymers (SNPs) that are obtained via Sonogashira-Hagihara cross-coupling and that combine electron-withdrawing triazine (C3N3) and electron donating, sulphur-containing linkers...
July 20, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28726891/frontier-orbitals-of-photosubstitutionally-active-ruthenium-complexes-an-experimental-study-of-the-spectator-ligands-electronic-properties-influence-on-photoreactivity
#15
Hyo Jin Jang, Samantha L Hopkins, Maxime A Siegler, Sylvestre Bonnet
The synthesis and characterization of [Ru(tpy)(R2bpy)(L)](X)n complexes (tpy = 2,2':6',2''-terpyridine, R2bpy = 4,4'-dimethyl-2,2'-bipyridine (dmbpy), or 4,4'-bis(trifluoromethyl)-2,2'-bipyridine (tfmbpy), X = Cl(-) or PF6(-), and n = 1 or 2) are described. The dmbpy and tfmbpy bidentate ligands allow for investigating the effects of electron-donating and electron-withdrawing ligands, respectively, on the frontier orbital energetics as well as the photoreactivity of these ruthenium polypyridyl complexes for five prototypical monodentate ligands L = Cl(-), H2O, CH3CN, 2-(methylthio)ethanol (Hmte), or pyridine...
July 20, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28726374/impact-of-thermal-annealing-on-organic-photovoltaic-cells-using-regioisomeric-donor-acceptor-acceptor-molecules
#16
Tao Zhang, Han Han, Yunlong Zou, Ying-Chi Lee, Hiroya Oshima, Ken-Tsung Wong, Russell J Holmes
We report a promising set of donor-acceptor-acceptor (D-A-A) electron-donor materials based on coplanar thieno[3,2-b]/[2,3-b]indole, benzo[c][1,2,5]thiadiazole, and dicyanovinylene, which are found to show broadband absorption with high extinction coefficients. The role of the regioisomeric electron-donating thienoindole moiety on the physical and structural properties is examined. Bulk heterojunction (BHJ) organic photovoltaic cells (OPVs) based on the thieno[2,3-b]indole-based electron donor NTU-2, using C70 as an electron acceptor, show a champion power conversion efficiency of 5...
July 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28726327/changing-metrics-of-organ-procurement-organization-performance-in-order-to-increase-organ-donation-rates-in-the-united-states
#17
D Goldberg, M J Kallan, L Fu, M Ciccarone, J Ramirez, P Rosenberg, J Arnold, G Segal, K P Moritsugu, H Nathan, R Hasz, P L Abt
The shortage of deceased-donor organs is compounded by donation metrics that fail to account for the total pool of possible donors, leading to ambiguous donor statistics. We sought to assess potential metrics of organ procurement organizations (OPOs) utilizing data from the Nationwide Inpatient Sample (NIS) from 2009-2012 and State Inpatient Databases (SIDs) from 2008-2014. A possible donor was defined as a ventilated inpatient death ≤75 years of age, without multi-organ system failure, sepsis, or cancer, whose cause of death was consistent with organ donation...
July 20, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28724447/blood-donation-practice-and-its-associated-factors-among-health-professionals-of-university-of-gondar-hospital-northwest-ethiopia-a-cross-sectional-study
#18
Getachew Arage, Seada Ibrahim, Endeshaw Adimasu
BACKGROUND: Blood donation has remained a challenge in developing countries, like Ethiopia. In Ethiopia there is a high reliance on family surrogate and waged blood donors which carries an attendant increased risk of transfusion transmissible infection. Health workers are expected to practice blood donation so as to create a good image to the public. A study on blood donation behavior may improve successful implementation of the blood donation programs. METHODS: An institution based cross-sectional study was deployed from January to June 2015...
July 19, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28723127/fluorescent-chemosensors-with-varying-degrees-of-intramolecular-charge-transfer-for-detection-of-a-nerve-agent-mimic-in-solutions-and-in-vapor
#19
Yuan-Chao Cai, Chen Li, Qin-Hua Song
Nerve agents are highly toxic organophosphorus compounds, and their possible use in terrorist attacks has led to increasing interest in the development of reliable and accurate methods to detect these lethal chemicals. In this paper, we have prepared six 6-aminoquinolines with various N-substituents as chemosensors for a nerve-agent mimic diethylchlorophosphate (DCP). The chemosensors with the nucleophilic pyridine-N atom as the active site detect DCP via a catalytic hydrolysis approach to form the protonated sensor...
June 23, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722278/non-physician-health-care-workers-and-voluntary-blood-donation-an-ambiguous-relationship
#20
N Sousos, S Sfyridou, D Adamidou, T-A Vyzantiadis, M Karadosidou, A Filippou, T Karafoulidou, M Chouridi, S Theodoridou
OBJECTIVES: This study aims to assess the knowledge, attitude and practice (KAP) of voluntary blood donation (BD) among the non-physician health-care workers of our institution, to investigate the relationship between these parameters and to determine the predictors of BD practice. BACKGROUND: KAP surveys provide a popular context-specific evidence base for the development of blood transfusion services' strategies and interventions to promote voluntary, non-remunerated BD...
July 19, 2017: Transfusion Medicine
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