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https://www.readbyqxmd.com/read/28092800/effect-of-venepuncture-process-design-on-efficiency-and-failure-rates-a-simulation-model-study-for-secondary-care
#1
Sean Reed, Rasa Remenyte-Prescott, Ben Rees
BACKGROUND: Healthcare aims to deliver good patient outcomes. For many clinical procedures there are multiple alternative task sequences that can be performed. These deviations can influence procedure reliability, efficiency of usage of hospital resources and risk to staff and patient safety. Venepuncture is one of the most common invasive procedures in healthcare. Literature of clinical practice shows evidence of wide variability in the procedure order and the duration of each step, which can depend on attributes, such as patient health, sampling method and staff skills...
December 29, 2016: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28092212/systemic-medications-used-in-treatment-of-common-dermatological-conditions-safety-profile-with-respect-to-pregnancy-breast-feeding-and-content-in-seminal-fluid
#2
S M Brown, K A Aljefri, R Waas, P J Hampton
: Prescribing for pregnant or lactating patients and male patients wishing to father children can be a difficult area for dermatologists. There is a lack of review articles of commonly used systemic medications in dermatology with respect to their effects on developing embryogenesis and their potential transfer across the placenta, in breast milk and in seminal fluid. This paper aims to provide an up to date summary of evidence to better equip dermatologists to inform patients about the effects of systemic medications commonly used in dermatology to treat conditions such as atopic dermatitis, psoriasis and acne, on current and future embryogenesis and fertility...
January 16, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28072936/haptoglobin-and-free-haemoglobin-during-cardiac-surgery-is-there-a-link-to-acute-kidney-injury
#3
A J Wetz, E M Richardt, H Schotola, M Bauer, A Bräuer
Acute kidney injury (AKI) is frequently observed after cardiac surgery (CS) with cardiopulmonary bypass (CPB). Multiple mechanisms underlie this phenomenon, including CPB-dependent haemolysis. Haemoglobin is released during haemolysis, and free haemoglobin (frHb) causes tubular cell injury after exceeding the binding capacity of haptoglobin (Hp). The objective of this study was to investigate the influence of perioperative changes in frHb and Hp levels on the incidence of CS-associated (CSA) AKI. After receiving local ethics committee approval and obtaining informed consent from our patients, we analysed the data pertaining to 154 patients undergoing CPB surgery...
January 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28069791/prolonged-indirect-hyperbilirubinemia-in-a-moderately-preterm-boy-with-mediterranean-glucose-6-phosphate-dehydrogenase-and-glutathione-s-transferase-mu-1-null-mutations
#4
Sameer Yaseen Al-Abdi
A 33-week gestation boy with Mediterranean glucose-6-phosphate dehydrogenase (G6PD) and a glutathione S-transferase Mu 1 null mutations (GSTM1*0/*0) developed prolonged indirect hyperbilirubinemia (PIH). He had no laboratory evidence of haemolysis or infection, and no exposure to oxidising agents. He has two full-term older brothers who have no history of neonatal hyperbilirubinemia. One brother, who was exclusively breast fed, has only Mediterranean G6PD and the other has only GSTM1*0/*0. The three boys have no mutation in the uridine diphosphate glucuronosyltransferase 1A1 gene...
January 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28065750/physicochemical-properties-and-biological-activities-of-novel-blend-films-using-oxidized-pectin-chitosan
#5
Asma Chetouani, Nadège Follain, Stéphane Marais, Christophe Rihouey, Meriem Elkolli, Mahmoud Bounekhel, Djafer Benachour, Didier Le Cerf
Pectin has been widely used in a variety of biomedical applications. In this study, it was modified with sodium periodate as an oxidant and characterized by physicochemical methods Periodate oxidation increased the contents of dialdehyde units and carboxyl groups in pectin, and a decrease in pectin viscosity was measured. The oxidization reaction led to a significant decrease in all values of molecular weight and size (Mn, Mw, [η] and Rh) as determined by size exclusion chromatography (SEC), which allowed the selection of the oxidized pectin to be added to chitosan...
January 5, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28046123/neo-epitopes-generated-on-hydroxyl-radical-modified-glycatedigg-have-role-in-immunopathology-of-diabetes-type-2
#6
Sidra Islam, Abdul Rouf Mir, Alok Raghav, Farzana Khan, Khursheed Alam, Asif Ali, Moin Uddin
Glycoxidation plays a crucial role in diabetes and its associated complications. Among the glycoxidation agents, methylglyoxal (MG) is known to have very highglycationpotential witha concomitant generation of reactive oxygen species (ROS) during its synthesis and degradation. The presentstudy probes the MG and ROSinduced structural damage to immunoglobulin G (IgG) and alterations in its immunogenicity in diabetes type 2 patients (T2DM). Human IgG was first glycated with MG followed by hydroxyl radical (OH•) modification...
2017: PloS One
https://www.readbyqxmd.com/read/28017985/characterization-of-casein-and-casein-silver-conjugated-nanoparticle-containing-multifunctional-pectin-sodium-alginate-casein-bilayer-film
#7
Anupama Bora, Poonam Mishra
Casein nano particles and casein-silver conjugated nano composite containing edible bilayer pouch was developed from a heat sealable casein layer laminated with sodium alginate-pectin layer. The physicochemical, mechanical, biodegradability and the toxicity of the film were evaluated. The synthesized casein nano particle was incorporated in the casein layer (inner layer) of the film, however, the casein-silver conjugated nano composite were incorporated in the sodium alginate-pectin (outer) layer of the film...
October 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28004456/maternal-endothelial-function-and-vascular-stiffness-after-hellp-syndrome-a-case-control-study
#8
Rossana Orabona, Edoardo Sciatti, Enrico Vizzardi, Ivano Bonadei, Federico Prefumo, Adriana Valcamonico, Marco Metra, Tiziana Frusca
OBJECTIVES: To assess endothelial function and arterial stiffness in women with a previous pregnancy complicated by haemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome, and compare them with women with a previous preeclampsia (PE) without HELLP and controls with uncomplicated pregnancies. METHODS: Women who have had a singleton pregnancy complicated by PE with (n = 49) or without (n = 60) HELLP syndrome and controls (n = 60) underwent peripheral arterial tonometry (EndoPAT method) and pulse wave velocity (PWV) assessment at 6 months-4 years after delivery...
December 22, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28001312/critical-re-appraisal-of-blood-component-quality-after-overnight-hold-of-whole-blood-outside-current-room-temperature-limits
#9
I J Bontekoe, P F van der Meer, D de Korte
BACKGROUND AND OBJECTIVES: According to European guidelines, the temperature of whole blood (WB) has to be maintained at 20-24°C until processing within 24 h, but in blood bank practice, WB is frequently held at temperatures between 18-25°C. We aimed to assess the impact of these small temperature deviations on the quality of the blood components. MATERIALS AND METHODS: After rapid cooling, 7 WB units were held overnight at 18°C and 8 units at 25°C, reflecting worst case holding conditions, and separated into a red cell concentrate (RCC), plasma and buffy coat (BC)...
December 21, 2016: Vox Sanguinis
https://www.readbyqxmd.com/read/28001307/storage-of-red-blood-cells-in-a-novel-polyolefin-blood-container-a-pilot-in-vitro-study
#10
H Gulliksson, S Meinke, A Ravizza, L Larsson, P Höglund
BACKGROUND AND OBJECTIVES: The present general plasticizer di-2-ethylhexyl-phthalate in polyvinylchloride (PVC) blood bags is only physically dispersed in PVC and will therefore leach into blood components. The objective of this study was to perform a first preliminary red blood cell (RBC) storage evaluation in a new blood bag manufactured of polyolefin without any inclusion of potentially migrating substances. STUDY DESIGN AND METHODS: This is a RBC storage study for 42 days...
January 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/27996064/free-serum-haemoglobin-is-associated-with-brain-atrophy-in-secondary-progressive-multiple-sclerosis
#11
Alex Lewin, Shea Hamilton, Aviva Witkover, Paul Langford, Richard Nicholas, Jeremy Chataway, Charles R M Bangham
Background A major cause of disability in secondary progressive multiple sclerosis (SPMS) is progressive brain atrophy, whose pathogenesis is not fully understood. The objective of this study was to identify protein biomarkers of brain atrophy in SPMS. Methods We used surface-enhanced laser desorption-ionization time-of-flight mass spectrometry to carry out an unbiased search for serum proteins whose concentration correlated with the rate of brain atrophy, measured by serial MRI scans over a 2-year period in a well-characterized cohort of 140 patients with SPMS...
November 15, 2016: Wellcome Open Res
https://www.readbyqxmd.com/read/27995700/shot-conference-report-2016-serious-hazards-of%C3%A2-transfusion%C3%A2-%C3%A2-human-factors-continue-to-cause-most%C3%A2-transfusion-related-incidents
#12
P H B Bolton-Maggs
The Annual SHOT Report for incidents reported in 2015 was published on 7 July at the SHOT symposium. Once again, the majority of reports (77·7%) were associated with mistakes ('human factors'). Pressures and stress in the hospital environment contributed to several error reports. There were 26 deaths where transfusion played a part, one due to haemolysis from anti-Wr(a) (units issued electronically). The incidence of haemolysis due to this antibody has increased in recent years. Transfusion-associated circulatory overload is the most common contributor to death and major morbidity...
December 2016: Transfusion Medicine
https://www.readbyqxmd.com/read/27987797/reverse-indentation-size-effects-in-gamma-irradiated-blood-compatible-blend-films-of-chitosan-poly-vinyl-alcohol-for-possible-medical-applications
#13
D S Bisen, Rinkesh Bhatt, A K Bajpai, R Bajpai, R Katare
In the present work binary blends of polyvinyl alcohol (PVA) and chitosan (CS) were prepared by solution cast method and characterized by analytical methods like FTIR, XRD and SEM for seeking structural and morphological information. The blends were exposed to gamma radiation and evaluated for their improved mechanical strength. It was found that the tensile strength and microhardness increased after irradiation of CS-PVA films. Plastic effect due to absorption of water molecules and scissoring effect due to gamma irradiation were found to decrease the softness or increase the microhardness of the blends...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27987229/neuronal-damage-biomarkers-in-the-identification-of-patients-at-risk-of-long-term-postoperative-cognitive-dysfunction-after-cardiac-surgery
#14
W F Kok, J Koerts, O Tucha, T W L Scheeren, A R Absalom
Biomarkers of neurological injury can potentially predict postoperative cognitive dysfunction. We aimed to identify whether classical neuronal damage-specific biomarkers, including brain fatty acid-binding protein, neuron-specific enolase and S100 calcium-binding protein β, as well as plasma-free haemoglobin concentration as a measure of haemolysis, could be used to predict the risk of long-term cognitive decline after coronary artery bypass grafting with or without cardiopulmonary bypass. We assessed cognitive function using the CogState brief computerised cognitive test battery at 3 months and at 15 months after surgery...
December 17, 2016: Anaesthesia
https://www.readbyqxmd.com/read/27984143/delineating-residues-for-haemolytic-activities-of-snake-venom-cardiotoxin-1-from-naja-naja-as-probed-by-molecular-dynamics-simulations-and-in-vitro-validations
#15
Biswajit Gorai, Thirunavukkarasu Sivaraman
Cardiotoxins (CTXs) are single polypeptide chain consisting of 59-62 amino acids with four disulfide bridges and globular proteins of simple β-sheet folds. The CTXs are one of principal toxic components causing haemolysis and damaging various cells and belong to three-finger toxin (TFT) superfamily of snake venoms. However, there is no natural or synthetic small molecular inhibitor to the protein toxins to date. In the present study, modes of interaction of cardiotoxin 1 (CTX1) from Indian cobra (Naja naja) with heterogeneous erythrocyte membrane (EM) model system have been extensively examined by using all-atom molecular dynamics (MD) simulations in near physiological conditions and comprehensive analyses of the MD data revealed two distinct principal regions ('head groove' and 'loop groove') of the protein toxin for establishing structural interactions with the EM system...
February 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27981932/g6pd-deficiency-with-arnold-chiari-malformation
#16
Shilpi Verma, Pradeep Kumar Bhatia, Vandana Sharma, Priyanka Sethi, Yogendra Raj Singh
A neonate with glucose-6-phosphate dehydrogenase (G6PD) deficiency and Arnold-Chiari Malformation (ACM) type 2 underwent lumbar meningomyelocele (MMC) repair. Patients with G6PD deficiency are prone to develop haemolysis following any kind of oxidative stress and in ACM, there is a disturbed cranio-spinal pressure relationship. The neonate was managed under general anaesthesia with propofol for induction as well as for maintenance along with fentanyl and oxygen-nitrous mixture.
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/27968820/mortality-outcomes-after-busulfan-containing-conditioning-treatment-and-haemopoietic-cell-transplantation-in-patients-with-gilbert-s-syndrome-a-retrospective-cohort-study
#17
George B McDonald, Ashley T Evans, Jeannine S McCune, Gary Schoch, J Donald Ostrow, Ted A Gooley
BACKGROUND: Gilbert's syndrome is a common inherited disorder of bilirubin metabolism, characterised by mild, unconjugated hyperbilirubinaemia. However, the effect of Gilbert's syndrome on the disposition of some drugs can lead to unexpected toxicity. We tested the hypothesis that patients undergoing myeloablative conditioning and haemopoietic cell transplantation would have different mortality outcomes depending on whether or not they had laboratory evidence of Gilbert's syndrome. METHODS: In this retrospective cohort study, we used clinical and laboratory data of patients who had haemopoietic cell transplantation from Jan 1, 1991, to Dec 31, 2011...
November 2016: Lancet Haematology
https://www.readbyqxmd.com/read/27942026/characterisation-of-the-immunophenotype-of-dogs-with-primary-immune-mediated-haemolytic-anaemia
#18
James W Swann, Kelly Woods, Ying Wu, Barbara Glanemann, Oliver A Garden
BACKGROUND: Immune-mediated haemolytic anaemia (IMHA) is reported to be the most common autoimmune disease of dogs, resulting in significant morbidity and mortality in affected animals. Haemolysis is caused by the action of autoantibodies, but the immunological changes that result in their production have not been elucidated. AIMS: To investigate the frequency of regulatory T cells (Tregs) and other lymphocyte subsets and to measure serum concentrations of cytokines and peripheral blood mononuclear cell expression of cytokine genes in dogs with IMHA, healthy dogs and dogs with inflammatory diseases...
2016: PloS One
https://www.readbyqxmd.com/read/27914971/once-weekly-ofatumumab-in-untreated-or-relapsed-waldenstr%C3%A3-m-s-macroglobulinaemia-an-open-label-single-arm-phase-2-study
#19
Richard R Furman, Herbert A Eradat, Christine G DiRienzo, Craig C Hofmeister, Suzanne R Hayman, John P Leonard, Morton Coleman, Ranjana Advani, Asher Chanan-Khan, Julie Switzky, Qiming M Liao, Damini Shah, Roxanne C Jewell, Steen Lisby, Thomas S Lin
BACKGROUND: The development of more effective and safer treatments, especially non-chemotherapeutics, is needed for patients with Waldenström's macroglobulinaemia. The aim of the study was to assess the safety and clinical activity of intravenous ofatumumab monotherapy for untreated and relapsed Waldenström's macroglobulinaemia. METHODS: We did a phase 2, open-label, single-arm study at six centres (hospitals and cancer clinics) in the USA. Patients aged at least 18 years who were diagnosed with untreated or relapsed Waldenström's macroglobulinaemia and required treatment, received up to three cycles of weekly ofatumumab for 5 weeks...
January 2017: Lancet Haematology
https://www.readbyqxmd.com/read/27902286/macrococcus-canis-sp-nov-a-skin-bacterium-associated-with-infections-in-dogs
#20
Stefanie Gobeli Brawand, Kerstin Cotting, Elena Gómez-Sanz, Alexandra Collaud, Andreas Thomann, Isabelle Brodard, Sabrina Rodriguez Campos, Christian Strauss, Vincent Perreten
Gram-stain positive cocci were isolated from miscellaneous sites of the skin of healthy dogs as well as from infection sites in dogs. The closest relative by sequencing of the 16S rRNA was Macrococcus caseolyticus with 99.7% sequence identity, but compared to M. caseolyticus, the novel strains shared only 90.8% to 93.5% DNA identity to cpn60, dnaJ, rpoB, and sodA partial genes, respectively. The two species also exhibited other phenotypic characteristics and the majority displayed a visible haemolysis on sheep blood agar, while M...
November 16, 2016: International Journal of Systematic and Evolutionary Microbiology
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