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https://www.readbyqxmd.com/read/27926645/association-between-sleep-disordered-breathing-and-hypertensive-disorders-of-pregnancy-and-gestational-diabetes-mellitus
#1
Francesca L Facco, Corette B Parker, Uma M Reddy, Robert M Silver, Matthew A Koch, Judette M Louis, Robert C Basner, Judith H Chung, Chia-Ling Nhan-Chang, Grace W Pien, Susan Redline, William A Grobman, Deborah A Wing, Hyagriv N Simhan, David M Haas, Brian M Mercer, Samuel Parry, Daniel Mobley, Shannon Hunter, George R Saade, Frank P Schubert, Phyllis C Zee
OBJECTIVE: To estimate whether sleep-disordered breathing during pregnancy is a risk factor for the development of hypertensive disorders of pregnancy and gestational diabetes mellitus (GDM). METHODS: In this prospective cohort study, nulliparous women underwent in-home sleep-disordered breathing assessments in early (6-15 weeks of gestation) and midpregnancy (22-31 weeks of gestation). Participants and health care providers were blinded to the sleep test results...
December 2, 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27925228/a-mock-circulatory-system-incorporating-a-compliant-3d-printed-anatomical-model-to-investigate-pulmonary-hemodynamics
#2
Paul G M Knoops, Giovanni Biglino, Alun D Hughes, Kim H Parker, Linzhang Xu, Silvia Schievano, Ryo Torii
A realistic mock circulatory system (MCS) could be a valuable in vitro testbed to study human circulatory hemodynamics. The objective of this study was to design a MCS replicating the pulmonary arterial circulation, incorporating an anatomically representative arterial model suitable for testing clinically relevant scenarios. A second objective of the study was to ensure the system's compatibility with magnetic resonance imaging (MRI) for additional measurements. A latex pulmonary arterial model with two generations of bifurcations was manufactured starting from a 3D-printed mold reconstructed from patient data...
December 7, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27925070/first-study-on-communities-of-parasites-in-triportheus-rotundatus-a-characidae-fish-from-the-amazon-river-system-brazil
#3
Paulo Henrique Nascimento Santos, Marcos Tavares-Dias
This study was the first investigation on the parasites of Triportheus rotundatus, a Characiformes fish from the Amazon, in Brazil. All the fish collected (100%) in a tributary from the Amazon River system were infected by one or more parasite species. The mean species richness of parasites was 4.9 ± 0.9, the Brillouin index was 0.39 ± 0.16, the evenness was 0.24 ± 0.09 and the Berger-Parker dominance was 0.81 ± 0.13. A total of 1316 metazoan parasites were collected, including Anacanthorus pithophallus, Anacanthorus furculus, Ancistrohaptor sp...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27924638/understanding-sarcomas-and-other-rare-tumors-an-interview-with-robin-l-jones
#4
Robin L Jones
Robin Jones speaks to Jade Parker, Commissioning Editor: Robin Jones is a medical oncologist specializing in the treatment of bone and soft tissue sarcomas and Head of the Sarcoma Unit at The Royal Marsden. He completed his medical training at Guy's and St Thomas' Hospital, and his oncology training at The Royal Marsden. His postgraduate research degree, with Professor Dowsett at the Institute of Cancer Research (ICR), evaluated potential predictive and prognostic factors in breast cancer patients treated with neoadjuvant chemotherapy...
December 7, 2016: Future Oncology
https://www.readbyqxmd.com/read/27923626/limitations-in-predicting-outcome-following-primary-acl-reconstruction-with-single-bundle-hamstring-autograft-a-systematic-review
#5
REVIEW
Vincent Vg An, Corey Scholes, Vikram A Mhaskar, William Hadden, David Parker
BACKGROUND: Anterior cruciate ligament reconstruction (ACLR) is one of the most well studied and performed procedures in the world. Thus, it would be useful to develop a tool to predict patient outcomes post-operatively to allow clinicians to optimise management. PURPOSE: To identify and summarise factors predictive of graft failure and patient-reported outcome (PROM) measures at minimum two years after ACLR with single-bundle quadruple hamstring autograft via the anteromedial portal technique...
December 3, 2016: Knee
https://www.readbyqxmd.com/read/27923296/stand-up-to-cutbacks
#6
Mike Parker
This has been a turbulent year for the NHS and the future is not looking bright. Junior doctors have closed ranks and gone on strike over better working and pay conditions while highlighting patient safety is at risk.
December 7, 2016: Emergency Nurse: the Journal of the RCN Accident and Emergency Nursing Association
https://www.readbyqxmd.com/read/27923045/tumor-evolution-in-two-patients-with-basal-like-breast-cancer-a-retrospective-genomics-study-of-multiple-metastases
#7
Katherine A Hoadley, Marni B Siegel, Krishna L Kanchi, Christopher A Miller, Li Ding, Wei Zhao, Xiaping He, Joel S Parker, Michael C Wendl, Robert S Fulton, Ryan T Demeter, Richard K Wilson, Lisa A Carey, Charles M Perou, Elaine R Mardis
BACKGROUND: Metastasis is the main cause of cancer patient deaths and remains a poorly characterized process. It is still unclear when in tumor progression the ability to metastasize arises and whether this ability is inherent to the primary tumor or is acquired well after primary tumor formation. Next-generation sequencing and analytical methods to define clonal heterogeneity provide a means for identifying genetic events and the temporal relationships between these events in the primary and metastatic tumors within an individual...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27922470/the-international-nurses-society-on-addictions-past-present-and-vision-for-the-future
#8
Dana Murphy-Parker
No abstract text is available yet for this article.
October 2016: Journal of Addictions Nursing
https://www.readbyqxmd.com/read/27919768/proximal-femoral-fractures-in-centenarians-a-retrospective-analysis-of-39-patients
#9
A Morice, N Reina, G Gracia, P Bonnevialle, J-M Laffosse, K Wytrykowski, E Cavaignac, N Bonnevialle
BACKGROUND: A corollary of the current population ageing in France is an increase in proximal femoral fractures (PFFs), particularly among centenarians. The outcomes of PFF in centenarians in France are unknown. We therefore conducted a retrospective study of centenarians with PFFs both to assess: 1) assess clinical outcomes according to geriatric and trauma scores, 2) and to determine whether routine surgery is warranted. HYPOTHESIS: Morbidity and mortality in a single-centre cohort of centenarians with surgically treated PFFs are consistent with previous reports...
December 2, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27919767/internal-fixation-of-intra-capsular-proximal-femoral-fractures-in-patients-older-than-80-years-still-relevant-multivariate-analysis-of-a-prospective-multicentre-cohort
#10
Nicolas Reina, Paul Bonnevialle, Brice Rubens Duval, Philippe Adam, François Loubignac, Thierry Favier, Philippe Massin
BACKGROUND: Arthroplasty is now widely used to treat intra-capsular proximal femoral fractures (PFFs) in older patients, even when there is little or no displacement. However, whether arthroplasty is associated with lower mortality and complication rates in non-displaced or mildly displaced PFFs is unknown. The objectives of this prospective study were: 1) to evaluate early mortality rates with the two treatment methods, 2) to identify risk factors for complications, 3) and to identify predictors of functional decline...
December 2, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27919026/hindered-cytoplasmic-diffusion-of-inositol-trisphosphate-restricts-its-cellular-range-of-action
#11
George D Dickinson, Kyle L Ellefsen, Silvina Ponce Dawson, John E Pearson, Ian Parker
The range of action of intracellular messengers is determined by their rates of diffusion and degradation. Previous measurements in oocyte cytoplasmic extracts indicated that the Ca(2+)-liberating second messenger inositol trisphosphate (IP3) diffuses with a coefficient (~280 μm(2) s(-1)) similar to that in water, corresponding to a range of action of ~25 μm. Consequently, IP3 is generally considered a "global" cellular messenger. We reexamined this issue by measuring local IP3-evoked Ca(2+) puffs to monitor IP3 diffusing from spot photorelease in neuroblastoma cells...
November 8, 2016: Science Signaling
https://www.readbyqxmd.com/read/27918663/comparison-of-critical-power-and-w-derived-from-two-or-three-maximal-tests
#12
Len Parker Simpson, Mehdi Kordi
PURPOSE: Typically, accessing the asymptote (Critical Power; CP) and curvature constant (W') parameters of the hyperbolic power-duration relationship requires multiple constant-power, exhaustive exercise trials, spread over several visits. However, more recently single-visit protocols and personal power meters have been used. We investigated the practicality of using a two-trial, single-visit protocol in providing reliable CP & W' estimates. METHODS: 8 trained cyclists underwent 3- and 12-min maximal exercise trials in a single session to derive (2-trial) CP & W' estimates...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918389/dexmedetomidine-is-it-the-answer-to-all-of-our-sedation-challenges
#13
Margaret M Parker
No abstract text is available yet for this article.
December 2016: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/27916826/bramlett-parker-j-washburn-d-a-can-rhesus-monkey-learn-executive-attention-behav-sci-2016-6-11
#14
Jessica Bramlett-Parker, David A Washburn
n/a.
November 29, 2016: Behavioral Sciences
https://www.readbyqxmd.com/read/27916741/design-and-principle-of-operation-of-the-heartmate-phptm-percutaneous-heart-pump
#15
N M Van Mieghem, Joost Daemen, Corstiaan den Uil, Onur Dur, Linda Joziasse, AnneMarie Maugenest, Keif Fitzgerald, Chris Parker, Paul Muller, Robert-Jan van Geuns
The HeartMate PHP (Percutaneous Heart Pump) is a second-generation transcatheter axial flow circulatory support system. The collapsible catheter pump is inserted through a 14F sheath, deployed across the aortic valve expanding to 24F and able to deliver up to 5L/min blood flow at minimum hemolytic risk. As such this device may be a valuable adjunct to percutaneous coronary intervention (PCI) of challenging lesions in high-risk patients or treatment of cardiogenic shock. This technical report discusses: (i) the HeartMate PHP concept, (ii) the implantation technique, (iii) the hemodynamic performance in an in vitro cardiovascular flow testing setup and (iv) preliminary clinical experience...
December 6, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27914899/reply-from-authors-re-alberto-bossi-nicolas-mottet-pierre-blanchard-choline-positron-emission-tomography-computed-tomography-for-selection-of-patients-for-salvage-strategies-after-primary-local-treatment-of-prostate-cancer-and-rising-prostate-specific-antigen
#16
EDITORIAL
https://www.readbyqxmd.com/read/27913907/development-of-a-culturally-informed-child-safety-curriculum-for-american-indian-families
#17
Ryan M Berns, Emily J Tomayko, Kate A Cronin, Ronald J Prince, Tassy Parker, Alexandra K Adams
American Indian (AI) children are disproportionately affected by unintentional injuries, with injury mortality rates approximately 2.3 times higher than the combined rates for all children in the United States. Although multiple risk factors are known to contribute to these increased rates, a comprehensive, culturally informed curriculum that emphasizes child safety is lacking for this population. In response to this need, academic and tribal researchers, tribal community members, tribal wellness staff, and national child safety experts collaborated to develop a novel child safety curriculum...
December 2, 2016: Journal of Primary Prevention
https://www.readbyqxmd.com/read/27913482/update-on-the-diagnosis-and-management-of-paroxysmal-nocturnal-hemoglobinuria
#18
Charles J Parker
Once suspected, the diagnosis of paroxysmal nocturnal hemoglobinuria (PNH) is straightforward when flow cytometric analysis of the peripheral blood reveals a population of glycosyl phosphatidylinositol anchor protein-deficient cells. But PNH is clinically heterogeneous, with some patients having a disease process characterized by florid intravascular, complement-mediated hemolysis, whereas in others, bone marrow failure dominates the clinical picture with modest or even no evidence of hemolysis observed. The clinical heterogeneity is due to the close, though incompletely understood, relationship between PNH and immune-mediated bone marrow failure, and that PNH is an acquired, nonmalignant clonal disease of the hematopoietic stem cells...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913408/neurophysiological-mechanisms-of-cortical-plasticity-impairments-in-schizophrenia-and-modulation-by-the-nmda-receptor-agonist-d-serine
#19
Joshua T Kantrowitz, Michael L Epstein, Odeta Beggel, Stephanie Rohrig, Jonathan M Lehrfeld, Nadine Revheim, Nayla P Lehrfeld, Jacob Reep, Emily Parker, Gail Silipo, Merav Ahissar, Daniel C Javitt
Schizophrenia is associated with deficits in cortical plasticity that affect sensory brain regions and lead to impaired cognitive performance. Here we examined underlying neural mechanisms of auditory plasticity deficits using combined behavioural and neurophysiological assessment, along with neuropharmacological manipulation targeted at the N-methyl-D-aspartate type glutamate receptor (NMDAR). Cortical plasticity was assessed in a cohort of 40 schizophrenia/schizoaffective patients relative to 42 healthy control subjects using a fixed reference tone auditory plasticity task...
December 2016: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27913178/estimating-the-material-properties-of-heel-pad-sub-layers-using-inverse-finite-element-analysis
#20
Nafiseh Ahanchian, Christopher J Nester, David Howard, Lei Ren, Daniel Parker
Detailed information about the biomechanical behaviour of plantar heel pad tissue contributes to our understanding of load transfer when the foot impacts the ground. The objective of this work was to obtain the hyperelastic and viscoelastic material properties of heel pad sub-layers (skin, micro-chamber and macro-chamber layers) in-vivo. An anatomically detailed 3D Finite Element model of the human heel was used to derive the sub-layer material properties. A combined ultrasound imaging and motorised platform system was used to compress heel pad and to create input data for the Finite Element model...
November 29, 2016: Medical Engineering & Physics
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