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https://www.readbyqxmd.com/read/28707923/quantum-griffiths-phase-inside-the-ferromagnetic-phase-of-ni_-1-x-v_-x
#1
Ruizhe Wang, Adane Gebretsadik, Sara Ubaid-Kassis, Almut Schroeder, Thomas Vojta, Peter J Baker, Francis L Pratt, Stephen J Blundell, Tom Lancaster, Isabel Franke, Johannes S Möller, Katharine Page
We study by means of bulk and local probes the d-metal alloy Ni_{1-x}V_{x} close to the quantum critical concentration, x_{c}≈11.6%, where the ferromagnetic transition temperature vanishes. The magnetization-field curve in the ferromagnetic phase takes an anomalous power-law form with a nonuniversal exponent that is strongly x dependent and mirrors the behavior in the paramagnetic phase. Muon spin rotation experiments demonstrate inhomogeneous magnetic order and indicate the presence of dynamic fluctuating magnetic clusters...
June 30, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28701760/synovial-tissue-research-a-state-of-the-art-review
#2
REVIEW
Carl Orr, Elsa Sousa, David L Boyle, Maya H Buch, Christopher D Buckley, Juan D Cañete, Anca I Catrina, Ernest H S Choy, Paul Emery, Ursula Fearon, Andrew Filer, Danielle Gerlag, Frances Humby, John D Isaacs, Søren A Just, Bernard R Lauwerys, Benoit Le Goff, Antonio Manzo, Trudy McGarry, Iain B McInnes, Aurélie Najm, Constantino Pitzalis, Arthur Pratt, Malcolm Smith, Paul P Tak, Rogier Thurlings, João E Fonseca, Douglas J Veale
The synovium is the major target tissue of inflammatory arthritides such as rheumatoid arthritis. The study of synovial tissue has advanced considerably throughout the past few decades from arthroplasty and blind needle biopsy to the use of arthroscopic and ultrasonographic technologies that enable easier visualization and improve the reliability of synovial biopsies. Rapid progress has been made in using synovial tissue to study disease pathogenesis, to stratify patients, to discover biomarkers and novel targets, and to validate therapies, and this progress has been facilitated by increasingly diverse and sophisticated analytical and technological approaches...
July 13, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28700664/systematic-screening-for-skin-hair-and-nail-abnormalities-in-a-large-scale-knockout-mouse-program
#3
John P Sundberg, Soheil S Dadras, Kathleen A Silva, Victoria E Kennedy, Gaven Garland, Stephen A Murray, Beth A Sundberg, Paul N Schofield, C Herbert Pratt
The International Knockout Mouse Consortium was formed in 2007 to inactivate ("knockout") all protein-coding genes in the mouse genome in embryonic stem cells. Production and characterization of these mice, now underway, has generated and phenotyped 3,100 strains with knockout alleles. Skin and adnexa diseases are best defined at the gross clinical level and by histopathology. Representative retired breeders had skin collected from the back, abdomen, eyelids, muzzle, ears, tail, and lower limbs including the nails...
2017: PloS One
https://www.readbyqxmd.com/read/28698923/sequence-symmetry-analysis-in-pharmacovigilance-and-pharmacoepidemiologic-studies
#4
REVIEW
Edward Chia-Cheng Lai, Nicole Pratt, Cheng-Yang Hsieh, Swu-Jane Lin, Anton Pottegård, Elizabeth E Roughead, Yea-Huei Kao Yang, Jesper Hallas
Sequence symmetry analysis (SSA) is a method for detecting adverse drug events by utilizing computerized claims data. The method has been increasingly used to investigate safety concerns of medications and as a pharmacovigilance tool to identify unsuspected side effects. Validation studies have indicated that SSA has moderate sensitivity and high specificity and has robust performance. In this review we present the conceptual framework of SSA and discuss advantages and potential pitfalls of the method in practice...
July 11, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28697852/a-multidisciplinary-approach-to-laparoscopic-sleeve-gastrectomy-among-multiethnic-adolescents-in-the-united-states
#5
Joshua D Jaramillo, Elizabeth Snyder, Susan Farrales, Megan Stevens, James K Wall, Stephanie Chao, John Morton, Janey Sa Pratt, Lawrence Hammer, W Elizabeth Shepard, Matias Bruzoni
BACKGROUND: Childhood obesity has become a serious public health problem in our country with a prevalence that is disproportionately higher among minority groups. Laparoscopic sleeve gastrectomy (LSG) is gaining attention as a safe bariatric alternative for severely obese adolescents. STUDY DESIGN: A retrospective study on morbidly obese adolescents that underwent LSG at our institution from 2009 to 2017. Primary outcomes were weight loss as measured by change in BMI and percent excess weight loss (%EWL) at 1 year after surgery, resolution of comorbidities and occurrence of complications...
June 28, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28688385/circular-dichroism-in-photoelectron-images-from-aligned-nitric-oxide-molecules
#6
Ananya Sen, S T Pratt, K L Reid
We have used velocity map photoelectron imaging to study circular dichroism of the photoelectron angular distributions (PADs) of nitric oxide following two-color resonance-enhanced two-photon ionization via selected rotational levels of the A (2)Σ(+), v(')=0 state. By using a circularly polarized pump beam and a counter-propagating, circularly polarized probe beam, cylindrical symmetry is preserved in the ionization process, and the images can be reconstructed using standard algorithms. The velocity map imaging set up enables individual ion rotational states to be resolved with excellent collection efficiency, rendering the measurements considerably simpler to perform than previous measurements conducted with a conventional photoelectron spectrometer...
July 7, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28679430/practical-issues-regarding-implementing-a-randomized-clinical-trial-in-a-homeless-population-strategies-and-lessons-learned
#7
Olamide Ojo-Fati, Anne M Joseph, Jed Ig-Izevbekhai, Janet L Thomas, Susan A Everson-Rose, Rebekah Pratt, Nancy Raymond, Ned L Cooney, Xianghua Luo, Kolawole S Okuyemi
There is a critical need for objective data to guide effective health promotion and care for homeless populations. However, many investigators exclude homeless populations from clinical trials due to practical concerns about conducting research with this population. This report is based on our experience and lessons learned while conducting two large NIH-funded randomized controlled trials targeting smoking cessation among persons who are homeless. The current report also addresses challenges when conducting clinical trials among homeless populations and offers potential solutions...
July 5, 2017: Trials
https://www.readbyqxmd.com/read/28663075/a-comparison-of-perceived-and-calculated-weight-status-classification-congruence-between-pre-and-post-bariatric-surgery-patients
#8
Megan Ferriby, Keeley Pratt, Sabrena Noria, Bradley Needleman
BACKGROUND: One prominent reason patients undergo bariatric surgery is to reduce their excess weight and body mass index. Weight status classifications (WSCs), based on calculated body mass index, organize patients into distinct groups (underweight, healthy weight, overweight, class I obesity, class II obesity, and class III obesity) for treatment recommendations, including surgery for patients with obesity. Bariatric patients' perceptions of their WSC is important to consider, because patients who accurately perceive their WSC presurgery have greater motivation for health behavior changes; alternatively, incongruence between perceived and calculated WSC could deter motivation and ultimately their health changes postsurgery...
May 15, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28662834/an-app-with-remote-support-achieves-better-adherence-to-home-exercise-programs-than-paper-handouts-in-people-with-musculoskeletal-conditions-a-randomised-trial
#9
Tara E Lambert, Lisa A Harvey, Christos Avdalis, Lydia W Chen, Sayanthinie Jeyalingam, Carin A Pratt, Holly J Tatum, Jocelyn L Bowden, Barbara R Lucas
QUESTION: Do people with musculoskeletal conditions better adhere to their home exercise programs when these are provided to them on an app with remote support compared to paper handouts? DESIGN: Randomised, parallel-group trial with intention-to-treat analysis. PARTICIPANTS: Eighty participants with upper or lower limb musculoskeletal conditions were recruited to the trial. Each participant was prescribed a 4-week home exercise program by a physiotherapist at a tertiary teaching hospital in Australia...
July 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28662681/comparison-of-two-related-lines-of-taugfp-transgenic-mice-designed-for-lineage-tracing
#10
Linda Sharp, Thomas Pratt, Gillian E MacKay, Margaret A Keighren, Jean H Flockhart, Emma J Chandler, David J Price, John O Mason, John D West
BACKGROUND: The tauGFP reporter fusion protein is produced nearly ubiquitously by the TgTP6.3 transgene in TP6.3 mice and its localisation to microtubules offers some advantages over soluble GFP as a lineage marker. However, TgTP6.3 (Tg/Tg) homozygotes are not viable and TgTP6.3 (Tg/-) hemizygotes are smaller than wild-type. TP6.4 mice carry the TgTP6.4 transgene, which was produced with the same construct used to generate TgTP6.3, so we investigated whether TgTP6.4 had any advantages over TgTP6...
June 29, 2017: BMC Developmental Biology
https://www.readbyqxmd.com/read/28661286/research-capacity-strengthening-in-low-and-middle-income-countries-ethical-explorations
#11
Adnan A Hyder, Abbas Rattani, Bridget Pratt
With developed country governments and high resource institutions engaging in research in low- and middle-income countries (LMIC), we argue that these entities have a moral obligation to help build and strengthen research infrastructure and capacity so local scientists and institutions can adequately conduct studies to understand and resolve the health burdens in low and middle income countries. We explore the moral justifications and motivations behind engaging in research capacity strengthening in the health sector in LMIC at multiple levels...
March 2017: Journal of Law, Medicine & Ethics: a Journal of the American Society of Law, Medicine & Ethics
https://www.readbyqxmd.com/read/28658002/obesity-and-perioperative-complications-in-pelvic-reconstructive-surgery-in-2013-analysis-of-the-national-inpatient-sample
#12
Toya S Pratt, Catherine O Hudson, Gina M Northington, Kristie A Greene
OBJECTIVES: The primary aim of this study was to determine the impact of obesity on national rates of perioperative complications in women undergoing pelvic reconstructive surgery in 2013 in the United States. METHODS: Women who underwent pelvic reconstructive surgery were identified in the 2013 National Inpatient Sample using International Classification of Diseases, Ninth Revision procedure codes. Demographic data and comorbidities including obesity (body mass index ≥30 kg/m) were abstracted...
June 27, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28653323/increased-fracture-risk-in-plasma-cell-dyscrasias-is-associated-with-poorer-overall-survival
#13
Graham McIlroy, Jemma Mytton, Felicity Evison, Punit Yadav, Mark T Drayson, Mark Cook, Guy Pratt, Paul Cockwell, Jennifer H Pinney
Pathological fractures are a common complication of plasma cell dyscrasias (PCD) and are associated with significant morbidity. Routine use of bisphosphonates over the past decade has aimed to reduce the risk of fractures in patients with multiple myeloma, but despite this, fractures continue to represent a significant burden of disease. In this study we report the fracture rate of hospital in-patients with PCD in England. Data from the national registry Hospital Episode Statistics between 2001 and 2015 were used to determine fracture rate and its effect on overall survival...
June 27, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28651073/hemophilia-a-inhibitor-treatment-the-promise-of-engineered-t-cell-therapy
#14
REVIEW
Kalpana Parvathaneni, Maha Abdeladhim, Kathleen P Pratt, David W Scott
Hemophilia A is a bleeding disorder caused by mutations in the gene encoding factor VIII (FVIII), a cofactor protein that is essential for normal blood clotting. Approximately, 1 in 3 patients with severe hemophilia A produce neutralizing antibodies (inhibitors) that block its biologic function in the clotting cascade. Current efforts to eliminate inhibitors consist of repeated FVIII injections under what is termed an "ITI" protocol (Immune Tolerance Induction). However, this method is extremely costly and approximately 30% of patients undergoing ITI do not achieve peripheral tolerance...
June 9, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28646701/use-of-sglt2-inhibitors-for-diabetes-and-risk-of-infection-analysis-using-general-practice-records-from-the-nps-medicinewise-medicineinsight-program
#15
Svetla Gadzhanova, Nicole Pratt, Elizabet Roughead
AIMS: To explore the feasibility of MedicineInsight data to support risk management plan evaluation, focusing on sodium glucose co-transporter 2 (SGLT2) inhibitors for type 2 diabetes. METHODS: A retrospective study using de-identified electronic general practitioner records. Patients who initiated SGLT2 inhibitor between 1 Jan 2012 to 1 Sep 2015 were compared to patients who initiated dipeptidyl peptidase 4 (DPP-4) inhibitors. The two cohorts were followed-up for six months...
June 15, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28645330/screen-based-sedentary-behavior-during-adolescence-and-pulmonary-function-in-a-birth-cohort
#16
Bruna Gonçalves C da Silva, Ana M B Menezes, Fernando C Wehrmeister, Fernando C Barros, Michael Pratt
BACKGROUND: Adolescents spend many hours in sitting activities as television viewing, video game playing and computer use. The relationship between sedentary behavior and respiratory health remains poorly elucidated. To date there have been no studies evaluating the relationship between sedentary behavior and pulmonary function in young populations. The purpose of this study is to examine the association between the trajectory of screen-based sedentary behavior from 11 to 18 years and pulmonary function at 18 years in a Brazilian birth cohort...
June 23, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28642259/staff-experiences-and-perceptions-of-working-with-in-patients-who-are-suicidal-qualitative-analysis
#17
Yvonne Awenat, Sarah Peters, Emma Shaw-Nunez, Patricia Gooding, Daniel Pratt, Gillian Haddock
BackgroundSuicidal behaviour is frequent in psychiatric in-patients and much staff time and resources are devoted to assessing and managing suicide risk. However, little is known about staff experiences of working with in-patients who are suicidal.AimsTo investigate staff experiences of working with in-patients who are suicidal.MethodQualitative study guided by thematic analysis of semi-structured interviews with mental health staff with experience of psychiatric in-patient care.ResultsTwenty staff participated...
June 22, 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28640480/improving-the-quality-of-prison-research-a-qualitative-study-of-ex-offender-service-user-involvement-in-prison-suicide-prevention-research
#18
Yvonne F Awenat, Currie Moore, Patricia A Gooding, Fiona Ulph, Aisha Mirza, Daniel Pratt
BACKGROUND: Suicide is the leading cause of avoidable death in prisons worldwide and suicide prevention is an international priority. Consequently, there is an urgent need to develop evidence-based treatments. We conducted a randomized controlled trial of a novel suicide prevention psychological therapy for male prisoners. To promote ecological validity by addressing the "real-world" situation of suicidal prisoners, we involved a consultant group of ex-offenders with past experience of being suicidal during imprisonment...
June 22, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28639453/atypical-primary-cutaneous-rosai-dorfman-disease-a-case-report
#19
Anna E Kinio, Michael A Sawchuk, Melanie Pratt
BACKGROUND: Rosai Dorfman disease (RDD) is a rare disorder that typically presents with bilateral cervical lymphadenopathy and follows a benign course. OBJECTIVE: We present a case of late-onset atypical primary cutaneous RDD that is resistant to treatment modalities described in the literature. METHODS: Case report. RESULTS: An 84-year-old woman presented with a 7-year history of cutaneous lesions histologically consistent with RDD...
June 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28634025/impaired-cerebral-autoregulation-in-preoperative-newborn-infants-with-congenital-heart-disease
#20
Jodie K Votava-Smith, Christopher J Statile, Michael D Taylor, Eileen C King, Jesse M Pratt, David P Nelson, Erik C Michelfelder
OBJECTIVES: To characterize cerebral autoregulation (CA) in preoperative newborn infants with congenital heart disease (CHD). METHODS: This was a prospective, pilot study of term newborns with CHD who required intensive care. Continuous mean arterial blood pressure (MAP), cerebral tissue oxygen saturation (SCTO2) via near-infrared spectroscopy, and arterial oxygen saturation (SaO2) were collected. Significant low-frequency coherence between MAP and SCTO2 was used to define impaired CA in 20-minute epochs...
May 23, 2017: Journal of Thoracic and Cardiovascular Surgery
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