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https://www.readbyqxmd.com/read/28075692/comparing-emergency-department-use-among-medicaid-and-commercial-patients-using-all-payer-all-claims-data
#1
Hyunjee Kim, K John McConnell, Benjamin C Sun
The high rate of emergency department (ED) use by Medicaid patients is not fully understood. The objective of this paper is (1) to provide context for ED service use by comparing Medicaid and commercial patients' differences across ED and non-ED health service use, and (2) to assess the extent to which Medicaid-commercial differences in ED use can be explained by observable factors in administrative data. Statistical decomposition methods were applied to ED, mental health, and inpatient care using 2011-2013 Medicaid and commercial insurance claims from the Oregon All Payer All Claims database...
January 11, 2017: Population Health Management
https://www.readbyqxmd.com/read/28070932/the-experience-of-adult-children-of-mothers-with-intellectual-disability-a-qualitative-retrospective-study-from-poland
#2
Agnieszka Wołowicz-Ruszkowska, David McConnell
BACKGROUND: Little is known about the experience of growing up with a mother with intellectual disability. The aim of this study was to explore this experience from the perspective of adult children. METHOD: In-depth interviews with 23 adult children brought up by mothers with moderate-to-severe intellectual disability. The interview data were analysed using grounded theory methods. RESULTS: The childhood experiences of the interviewees and the role their mothers played in their upbringing varied, depending in part on the involvement of extended family...
January 10, 2017: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/28062489/lipoprotein-a-mass-levels-increase-significantly-according-to-apoe-genotype-an-analysis-of-431%C3%A2-239-patients
#3
Patrick M Moriarty, Stephen A Varvel, Philip L S M Gordts, Joseph P McConnell, Sotirios Tsimikas
OBJECTIVE: Lipoprotein(a) [Lp(a)] levels are genetically determined by hepatocyte apolipoprotein(a) synthesis, but catabolic pathways also influence circulating levels. APOE genotypes have different affinities for the low-density lipoprotein (LDL) receptor and LDL-related protein-1, with ε2 having the weakest binding to LDL receptor at <2% relative to ε3 and ε4. APPROACH AND RESULTS: APOE genotypes (ε2/ε2, ε2/ε3, ε2/ε4, ε3/ε3, ε3/ε4, and ε4/ε4), Lp(a) mass, directly measured Lp(a)-cholesterol levels, and a variety of apoB-related lipoproteins were measured in 431 239 patients...
January 5, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28059904/emerging-exposures-of-developmental-toxicants
#4
Mary S Wolff, Jessie Buckley, Stephanie M Engel, Rob S McConnell, Dana B Barr
PURPOSE OF REVIEW: The purpose of this review is to identify emerging developmental toxicants that are understudied in children's health. Exposures may arise from new products designed to improve utility, to reduce toxicity, or to replace undesirable chemicals. Exposures to less-toxic chemicals may also be significant if they are very commonly used, thereby generating widespread exposure. Sources of exposure include the workplace, personal, home, and office products; food, water, and air...
January 5, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28054423/flexible-micro-supercapacitor-based-on-graphene-with-3d-structure
#5
Lu Zhang, Derek DeArmond, Noe T Alvarez, Rachit Malik, Nicholas Oslin, Colin McConnell, Paa Kwasi Adusei, Yu-Yun Hsieh, Vesselin Shanov
Flexible micro-supercapacitors (MSCs) are constructed by 3D graphene from chemical vapor deposition. Without using any binder or metal current collector, the as-prepared 3D graphene MSC exhibits good flexibility, excellent cyclic life, and high areal capacitance of 1.5 mF cm(-2) at a scan rate of 10 V s(-1) . The electrochemical performance is further improved by oxygen plasma functionalization.
January 5, 2017: Small
https://www.readbyqxmd.com/read/28026973/video-preoperative-ct-angiography-for-anterolateral-thigh-flap-reconstructions
#6
Michael F McConnell, Patrick B Garvey, Behrang Amini, Tamara Miner Haygood, John E Madewell, Colleen M Costelloe
OBJECTIVE: This video article will review the relevant vascular anatomy of the anterolateral thigh flap, describe the CT angiography (CTA) image acquisition, and describe how to report the locations of the perforating arteries along with characteristics that may be important to the surgeon. CONCLUSION: Our method of performing and reporting CTA for patients scheduled to undergo anterolateral thigh flap reconstruction provides a reproducible method of identifying perforating vessels and communicating their location to surgeons...
December 27, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28018535/mind-the-gap-the-prospects-of-missing-data
#7
Meghan McConnell, Jonathan Sherbino, Teresa M Chan
BACKGROUND : The increasing use of workplace-based assessments (WBAs) in competency-based medical education has led to large data sets that assess resident performance longitudinally. With large data sets, problems that arise from missing data are increasingly likely. OBJECTIVE : The purpose of this study is to examine (1) whether data are missing at random across various WBAs, and (2) the relationship between resident performance and the proportion of missing data...
December 2016: Journal of Graduate Medical Education
https://www.readbyqxmd.com/read/28017370/de-novo-mutations-in-ebf3-cause-a-neurodevelopmental-syndrome
#8
Hannah Sleven, Seth J Welsh, Jing Yu, Mair E A Churchill, Caroline F Wright, Alex Henderson, Rita Horvath, Julia Rankin, Julie Vogt, Alex Magee, Vivienne McConnell, Andrew Green, Mary D King, Helen Cox, Linlea Armstrong, Anna Lehman, Tanya N Nelson, Jonathan Williams, Penny Clouston, James Hagman, Andrea H Németh
Early B cell factor 3 (EBF3) is an atypical transcription factor that is thought to influence the laminar formation of the cerebral cortex. Here, we report that de novo mutations in EBF3 cause a complex neurodevelopmental syndrome. The mutations were identified in two large-scale sequencing projects: the UK Deciphering Developmental Disorders (DDD) study and the Canadian Clinical Assessment of the Utility of Sequencing and Evaluation as a Service (CAUSES) study. The core phenotype includes moderate to severe intellectual disability, and many individuals exhibit cerebellar ataxia, subtle facial dysmorphism, strabismus, and vesicoureteric reflux, suggesting that EBF3 has a widespread developmental role...
January 5, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/27993600/tumor-regression-after-intravenous-administration-of-targeted-vesicles-entrapping-the-vitamin-e-%C3%AE-tocotrienol
#9
Reatul Karim, Sukrut Somani, Majed Al Robaian, Margaret Mullin, Rumelo Amor, Gail McConnell, Christine Dufès
The therapeutic potential of tocotrienol, a member of the vitamin E family of compounds with potent in vitro anti-cancer properties, is limited by its inability to specifically reach tumors following intravenous administration. The purpose of this study is to determine whether a novel tumor-targeted vesicular formulation of tocotrienol would suppress the growth of A431 epidermoid carcinoma and B16-F10 melanoma in vitro and in vivo. In this work, we demonstrated that novel transferrin-bearing multilamellar vesicles entrapping α-T3 resulted in a dramatically improved (by at least 52-fold) therapeutic efficacy in vitro on A431 cell line, compared to the free drug...
December 18, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27991763/the-pepsavi-ms-pipeline-for-natural-product-bioactive-peptide-discovery
#10
Christine L Kirkpatrick, Christopher A Broberg, Elijah N McCool, Woo Jean Lee, Alex Chao, Evan W McConnell, David Pritchard, Michael Hebert, Renee Fleeman, Jessie Adams, Amer Jamil, Laurence Madera, Adam A Strömstedt, Ulf Goransson, Yufeng Liu, David W Hoskin, Lindsey N Shaw, Leslie M Hicks
The recent increase in extensively drug resistant bacterial pathogens and the associated increase of morbidity and mortality demonstrate the immediate need for new antibiotic backbones with novel mechanisms of action. Here, we report the development of the PepSAVI-MS pipeline for bioactive peptide discovery. This highly versatile platform employs mass spectrometry and statistics to identify bioactive peptide targets from complex biological samples. We validate the use of this platform through the successful identification of known bioactive peptides from a botanical species, Viola odorata...
December 19, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27983504/analysis-of-anthrax-immune-globulin-intravenous-with-antimicrobial-treatment-in-injection-drug-users-scotland-2009-2010
#11
Xizhong Cui, Leisha D Nolen, Junfeng Sun, Malcolm Booth, Lindsay Donaldson, Conrad P Quinn, Anne E Boyer, Katherine Hendricks, Sean Shadomy, Pieter Bothma, Owen Judd, Paul McConnell, William A Bower, Peter Q Eichacker
We studied anthrax immune globulin intravenous (AIG-IV) use from a 2009-2010 outbreak of Bacillus anthracis soft tissue infection in injection drug users in Scotland, UK, and we compared findings from 15 AIG-IV recipients with findings from 28 nonrecipients. Death rates did not differ significantly between recipients and nonrecipients (33% vs. 21%). However, whereas only 8 (27%) of 30 patients at low risk for death (admission sequential organ failure assessment score of 0-5) received AIG-IV, 7 (54%) of the 13 patients at high risk for death (sequential organ failure assessment score of 6-11) received treatment...
January 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/27973671/feasibility-of-obtaining-measures-of-lifestyle-from-a-smartphone-app-the-myheart-counts-cardiovascular-health-study
#12
Michael V McConnell, Anna Shcherbina, Aleksandra Pavlovic, Julian R Homburger, Rachel L Goldfeder, Daryl Waggot, Mildred K Cho, Mary E Rosenberger, William L Haskell, Jonathan Myers, Mary Ann Champagne, Emmanuel Mignot, Martin Landray, Lionel Tarassenko, Robert A Harrington, Alan C Yeung, Euan A Ashley
Importance: Studies have established the importance of physical activity and fitness, yet limited data exist on the associations between objective, real-world physical activity patterns, fitness, sleep, and cardiovascular health. Objectives: To assess the feasibility of obtaining measures of physical activity, fitness, and sleep from smartphones and to gain insights into activity patterns associated with life satisfaction and self-reported disease. Design, Setting, and Participants: The MyHeart Counts smartphone app was made available in March 2015, and prospective participants downloaded the free app between March and October 2015...
December 14, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27965885/evaluation-of-the-effectiveness-of-music-therapy-in-improving-the-quality-of-life-of-palliative-care-patients-a-randomised-controlled-pilot-and-feasibility-study
#13
Tracey McConnell, Lisa Graham-Wisener, Joan Regan, Miriam McKeown, Jenny Kirkwood, Naomi Hughes, Mike Clarke, Janet Leitch, Kerry McGrillen, Sam Porter
BACKGROUND: Music therapy is frequently used as a palliative therapy. In consonance with the goals of palliative care, the primary aim of music therapy is to improve people's quality of life by addressing their psychological needs and facilitating communication. To date, primarily because of a paucity of robust research, the evidence for music therapy's effectiveness on patient reported outcomes is positive but weak. This pilot and feasibility study will test procedures, outcomes and validated tools; estimate recruitment and attrition rates; and calculate the sample size required for a phase III randomised trial to evaluate the effectiveness of music therapy in improving the quality of life of palliative care patients...
2016: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/27941122/first-pet-imaging-studies-with-63zn-zinc-citrate-in-healthy-human-participants-and-patients-with-alzheimer-disease
#14
Timothy R DeGrado, Bradley J Kemp, Mukesh K Pandey, Huailei Jiang, Tina M Gunderson, Logan R Linscheid, Allison R Woodwick, Daniel M McConnell, Joel G Fletcher, Geoffrey B Johnson, Ronald C Petersen, David S Knopman, Val J Lowe
Abnormalities in zinc homeostasis are indicated in many human diseases, including Alzheimer disease (AD). (63)Zn-zinc citrate was developed as a positron emission tomography (PET) imaging probe of zinc transport and used in a first-in-human study in 6 healthy elderly individuals and 6 patients with clinically confirmed AD. Dynamic PET imaging of the brain was performed for 30 minutes following intravenous administration of (63)Zn-zinc citrate (∼330 MBq). Subsequently, body PET images were acquired. Urine and venous blood were analyzed to give information on urinary excretion and pharmacokinetics...
2016: Molecular Imaging
https://www.readbyqxmd.com/read/27940263/using-bacterial-genomes-and-essential-genes-for-the-development-of-new-antibiotics
#15
REVIEW
Francisco R Fields, Shaun W Lee, Michael J McConnell
The shrinking antibiotic development pipeline together with the global increase in antibiotic resistant infections requires that new molecules with antimicrobial activity are developed. Traditional empirical screening approaches of natural and non-natural compounds have identified the majority of antibiotics that are currently available, however this approach has produced relatively few new antibiotics over the last few decades. The vast amount of bacterial genome sequence information that has become available since the sequencing of the first bacterial genome more than 20years ago holds potential for contributing to the discovery of novel antimicrobial compounds...
December 8, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27939691/frequency-dependent-transient-effects-of-subthalamic-nucleus-deep-brain-stimulation-on-methamphetamine-induced-circling-and-neuronal-activity-in-the-hemiparkinsonian-rat
#16
Rosa Q So, George C McConnell, Warren M Grill
Methamphetamine-induced circling is used to quantify the behavioral effects of subthalamic nucleus (STN) deep brain stimulation (DBS) in hemiparkinsonian rats. We observed a frequency-dependent transient effect of DBS on circling, and quantified this effect to determine its neuronal basis. High frequency STN DBS (75-260Hz) resulted in transient circling contralateral to the lesion at the onset of stimulation, which was not sustained after the first several seconds of stimulation. Following the transient behavioral change, DBS resulted in a frequency-dependent steady-state reduction in pathological ipsilateral circling, but no change in overall movement...
December 6, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27931262/glymphatic-distribution-of-csf-derived-apoe-into-brain-is-isoform-specific-and-suppressed-during-sleep-deprivation
#17
Thiyagaragan M Achariyar, Baoman Li, Weiguo Peng, Philip B Verghese, Yang Shi, Evan McConnell, Abdellatif Benraiss, Tristan Kasper, Wei Song, Takahiro Takana, David M Holtzman, Maiken Nedergaard, Rashid Deane
BACKGROUND: Apolipoprotein E (apoE) is a major carrier of cholesterol and essential for synaptic plasticity. In brain, it's expressed by many cells but highly expressed by the choroid plexus and the predominant apolipoprotein in cerebrospinal fluid (CSF). The role of apoE in the CSF is unclear. Recently, the glymphatic system was described as a clearance system whereby CSF and ISF (interstitial fluid) is exchanged via the peri-arterial space and convective flow of ISF clearance is mediated by aquaporin 4 (AQP4), a water channel...
December 8, 2016: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/27929232/the-pretravel-consultation
#18
Christopher Sanford, Adam McConnell, Justin Osborn
Key components of the pretravel consultation include intake questions regarding the traveler's anticipated itinerary and medical history; immunizations; malaria prophylaxis; and personal protection measures against arthropod bites, traveler's diarrhea, and injury. Most vaccinations that are appropriate for international travelers are included in the routine domestic immunization schedule; only a few travel-specific vaccines must also be discussed. The most common vaccine-preventable illnesses in international travelers are influenza and hepatitis A...
October 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27923943/venovenous-ecmo-support-in-an-infant-with-single-ventricle-physiology-and-catastrophic-pulmonary-venous-abnormalities
#19
Richard P Fernandez, Don Hayes, Patrick I McConnell, Darren Berman
Extracorporeal membrane oxygenation (ECMO) is an accepted treatment modality for life support refractory to conventional efforts in neonates with complex congenital heart lesions. Cannulation for ECMO can be accomplished by venovenous (VV) access where patients receive primarily respiratory support or venoarterial (VA) access which provides complete cardiopulmonary support. VV ECMO delivered by a single-vessel cannulation with a dual-chamber venous cannula allows for respiratory support while the patient remains dependent upon intrinsic cardiac function to support hemodynamics...
December 6, 2016: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/27920202/the-translational-significance-of-the-neurovascular-unit-a-mini-review
#20
Heather L McConnell, Cymon N Kersch, Randall L Woltjer, Edward A Neuwelt
The mammalian brain is supplied with blood by specialized vasculature that is structurally and functionally distinct from that of the periphery. A defining feature of this vasculature is a physical blood-brain barrier (BBB). The BBB separates blood components from the brain microenvironment, regulating the entry and exit of ions, nutrients, macromolecules, and energy metabolites. Over the last two decades, physiological studies of cerebral blood flow dynamics have demonstrated that substantial intercellular communication occurs between cells of the vasculature and the neurons and glia that abut the vasculature...
December 5, 2016: Journal of Biological Chemistry
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