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https://www.readbyqxmd.com/read/28214046/productivity-growth-case-mix-and-optimal-size-of-hospitals-a-16-year-study-of-the-norwegian-hospital-sector
#1
Kjartan Sarheim Anthun, Sverre Andreas Campbell Kittelsen, Jon Magnussen
BACKGROUND AND OBJECTIVES: This paper analyses productivity growth in the Norwegian hospital sector over a period of 16 years, 1999-2014. This period was characterized by a large ownership reform with subsequent hospital reorganizations and mergers. We describe how technological change, technical productivity, scale efficiency and the estimated optimal size of hospitals have evolved during this period. MATERIAL AND METHODS: Hospital admissions were grouped into diagnosis-related groups using a fixed-grouper logic...
January 30, 2017: Health Policy
https://www.readbyqxmd.com/read/28213934/transverse-process-anatomy-as-a-guide-to-vertebral-artery-exposure-during-anterior-cervical-spine-approach-a-cadaveric-study
#2
Ali Nourbakhsh, Jinping Yang, Howard McMahan, Kim Garges
INTRODUCTION: Safe exposure of the vertebral artery (VA) is needed during resection of tumors close to the artery and during repair of lacerations. We defined the anatomy of the anterior root of each transverse process (TP) from C3 to C6 for identification and exposure of the VA during the anterior approach. MATERIALS AND METHODS: We examined the anatomy of the TP and assessed two approaches for safe identification of the VA, lateral to medial and medial to lateral dissection of the TP, in 20 cadavers...
February 18, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28213124/reciprocal-relationships-between-substance-use-and-disorders-and-suicidal-ideation-and-suicide-attempts-in-the-collaborative-study-of-the-genetics-of-alcoholism
#3
Arpana Agrawal, Rebecca Tillman, Richard A Grucza, Elliot C Nelson, Vivia V McCutcheon, Lauren Few, Kenneth R Conner, Michael T Lynskey, Danielle M Dick, Howard J Edenberg, Victor M Hesselbrock, John R Kramer, Samuel Kuperman, John I Nurnberger, Marc A Schuckit, Bernice Porjesz, Kathleen K Bucholz
BACKGROUND: Substance use and misuse and suicidal thoughts and behaviors tend to co-occur. The purpose of this study was to examine whether (a) suicidal ideation and attempt are related to onset of alcohol, nicotine and cannabis use and dependence; (b) early use of alcohol, nicotine and cannabis is associated with onset of suicidal ideation and attempt; and (c) whether these associations persist while controlling for covariates, such as family history of alcohol problems, major depression and other internalizing and externalizing disorders...
February 3, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28212900/basic-educational-needs-of-midwifery-students-for-taking-the-role-of-an-assistance-in-disaster-situations-a-cross-sectional-study-in-iran
#4
Z Taghizadeh, M Khoshnam Rad, A Montazeri
BACKGROUND: After disasters, the disaster medical assistance team composed of skilful healthcare staff should be available at the disaster site for providing care to disaster's victims. It is believed that midwives are at the front line of the disaster management team and should be prepared for providing care to mothers and children. OBJECTIVES: To investigate the midwifery students' basic educational needs for taking the role of an assistant in disaster situations...
January 22, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28211594/substance-dependence-among-those-without-symptoms-of-substance-abuse-in-the-world-mental-health-survey
#5
Luise Lago, Meyer D Glantz, Ronald C Kessler, Nancy A Sampson, Ali Al-Hamzawi, Silvia Florescu, Jacek Moskalewicz, Sam Murphy, Fernando Navarro-Mateu, Yolanda Torres de Galvis, Maria Carmen Viana, Miguel Xavier, Louisa Degenhardt
The World Health Organization (WHO) World Mental Health (WMH) Survey Initiative uses the Composite International Diagnostic Interview (CIDI). The first 13 surveys only assessed substance dependence among respondents with a history of substance abuse; later surveys also assessed substance dependence without symptoms of abuse. We compared results across the two sets of surveys to assess implications of the revised logic and develop an imputation model for missing values of lifetime dependence in the earlier surveys...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28211150/genomic-prediction-of-reproduction-traits-for-merino-sheep
#6
S Bolormaa, D J Brown, A A Swan, J H J van der Werf, B J Hayes, H D Daetwyler
Economically important reproduction traits in sheep, such as number of lambs weaned and litter size, are expressed only in females and later in life after most selection decisions are made, which makes them ideal candidates for genomic selection. Accurate genomic predictions would lead to greater genetic gain for these traits by enabling accurate selection of young rams with high genetic merit. The aim of this study was to design and evaluate the accuracy of a genomic prediction method for female reproduction in sheep using daughter trait deviations (DTD) for sires and ewe phenotypes (when individual ewes were genotyped) for three reproduction traits: number of lambs born (NLB), litter size (LSIZE) and number of lambs weaned...
February 17, 2017: Animal Genetics
https://www.readbyqxmd.com/read/28210654/postoperative-rehabilitation-after-rotator-cuff-repair-a-web-based-survey-of-aana-and-aossm-members
#7
Scott Mollison, Jason J Shin, Alexander Glogau, R Cole Beavis
BACKGROUND: Postoperative rehabilitation after arthroscopic rotator cuff repair (ARCR) remains controversial and suffers from limited high-quality evidence. Therefore, appropriate use criteria must partially depend on expert opinion. HYPOTHESIS/PURPOSE: The purpose of the study was to determine and report on the standard and modified rehabilitation protocols after ARCR used by member orthopaedic surgeons of the American Orthopaedic Society for Sports Medicine (AOSSM) and the Arthroscopy Association of North America (AANA)...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28209740/quantitative-mri-volumetry-diffusivity-cerebrovascular-flow-and-cranial-hydrodynamics-during-head-down-tilt-and-hypercapnia-the-spacecot-study
#8
Larry Allen Kramer, Khader M Hasan, Ashot E Sargsyan, Karina Marshall-Goebel, Jörn Rittweger, Dorit Donoviel, Saki Higashi, Benson Mwangi, Darius A Gerlach, Eric M Bershad
PURPOSE: In order to improve the pathophysiologic understanding of visual changes observed in astronauts, we aimed to use quantitative MRI to measure anatomic and physiologic responses during a ground-based spaceflight analogue (head down tilt, HDT) combined with increased ambient carbon dioxide (CO2). METHODS: Six healthy, male subjects participated in the double-blinded, randomized cross-over design study with two conditions: 26.5 h of -12° HDT with ambient air and with 0...
February 16, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28208220/allergic-respiratory-disease-different-allergens-different-symptoms
#9
Antonio Valero, Santiago Quirce, Ignacio Dávila, Julio Delgado, Javier Domínguez-Ortega
BACKGROUND: Spanish population is rather homogeneous in its genetic and socio-cultural characteristics, but allergen sensitization shows wide geographical variations. We aimed at assessing whether sensitization to different allergens in the diverse geographical areas induced different clinical and quality of life characteristics in adult patients with a first-time diagnosis of rhinitis and/or asthma. METHODS: Two sequential, identically designed studies were carried out to evaluate such associations (PERFILAR I and II)...
February 16, 2017: Allergy
https://www.readbyqxmd.com/read/28207961/muscle-stiffness-of-posterior-lower-leg-in-runners-with-a-history-of-medial-tibial-stress-syndrome
#10
Junya Saeki, Masatoshi Nakamura, Sayaka Nakao, Kosuke Fujita, Ko Yanase, Noriaki Ichihashi
Previous history of medial tibial stress syndrome (MTSS) is a risk factor for MTSS relapse, which suggests that there might be some physical factors that are related to MTSS development in runners with a history of MTSS. The relationship between MTSS and muscle stiffness can be assessed in a cross-sectional study that measures muscle stiffness in subjects with a history of MTSS, who do not have pain at the time of measurement, and in those without a history of MTSS. The purpose of this study was to compare the shear elastic modulus, which is an index of muscle stiffness, of all posterior lower leg muscles of subjects with a history of MTSS and those with no history and investigate which muscles could be related to MTSS...
February 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28207840/using-the-hephaistos-orthotic-device-to-study-countermeasure-effectiveness-of-neuromuscular-electrical-stimulation-and-dietary-lupin-protein-supplementation-a-randomised-controlled-trial
#11
Jochen Zange, Kathrin Schopen, Kirsten Albracht, Darius A Gerlach, Petra Frings-Meuthen, Nicola A Maffiuletti, Wilhelm Bloch, Jörn Rittweger
PURPOSE: The present study investigated whether neuromuscular electrical stimulation for 20 min twice a day with an electrode placed over the soleus muscle and nutritional supplementation with 19 g of protein rich lupin seeds can reduce the loss in volume and strength of the human calf musculature during long term unloading by wearing an orthotic unloading device. METHODS: Thirteen healthy male subjects (age of 26.4 ± 3.7 years) wore a Hephaistos orthosis one leg for 60 days during all habitual activities...
2017: PloS One
https://www.readbyqxmd.com/read/28206774/cross-cultural-industrial-organizational-psychology-and-organizational-behavior-a-hundred-year-journey
#12
Michele J Gelfand, Zeynep Aycan, Miriam Erez, Kwok Leung
In celebration of the anniversary of the Journal of Applied Psychology (JAP), we take a hundred-year journey to examine how the science of cross-cultural industrial/organizational psychology and organizational behavior (CCIO/OB) has evolved, both in JAP and in the larger field. We review broad trends and provide illustrative examples in the theoretical, methodological, and analytic advances in CCIO/OB during 4 main periods: the early years (1917-1949), the middle 20th century (1950-1979), the later 20th century (1980-2000), and the 21st century (2000 to the present)...
February 16, 2017: Journal of Applied Psychology
https://www.readbyqxmd.com/read/28203530/longitudinal-evaluation-of-cerebral-and-spinal-cord-damage-in-amyotrophic-lateral-sclerosis
#13
Milena de Albuquerque, Lucas Melo T Branco, Thiago Junqueira R Rezende, Helen Maia Tavares de Andrade, Anamarli Nucci, Marcondes Cavalcante França
OBJECTIVE: To evaluate MRI-based parameters as biomarkers of Amyotrophic Lateral Sclerosis (ALS) progression. METHODS: Twenty-seven patients and 27 controls performed two clinical and MRI acquisitions 8 months apart. ALSFRS-R scale was used to quantify disease severity at both time points. Multimodal analyses of MRI included cortical thickness measurements (FreeSurfer software), analysis of white matter integrity using diffusion-tensor imaging (tract-based spatial statistics-TBSS) and measurement of cervical spinal cord cross-sectional area (SpineSeg software)...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28203357/wrist-bone-mineral-density-utility-in-diagnosing-hip-osteoporosis-in-postmenopausal-women
#14
Bina Eftekhar-Sadat, Mostafa Ghavami, Vahideh Toopchizadeh, Masood Ghahvechi Akbari
BACKGROUND: Osteoporosis is a common bone disease that increases with age. Wrist bone mineral density (BMD) has significant correlation with other skeletal sites and it could be used as a diagnostic method for osteoporosis. The purpose of this study was to evaluate the role of wrist BMD in diagnosing osteoporosis in postmenopausal women. METHODS: In this cross-sectional study, 99 postmenopausal women with mean age of 57 ± 6.9 (range 50-76) years were evaluated...
December 2016: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28202744/a-cross-sectional-analysis-of-radiographic-ankle-osteoarthritis-frequency-and-associated-factors-the-johnston-county-osteoarthritis-project
#15
Shahmeer Lateef, Yvonne M Golightly, Jordan B Renner, Joanne M Jordan, Amanda E Nelson
OBJECTIVE: Because there are no epidemiologic data regarding the frequency of ankle osteoarthritis (OA) in a general population, we sought to analyze this disabling condition in a large, well-characterized, community-based cohort of older individuals. METHODS: Cross-sectional data, including ankle radiographs, were from the most recent data collection (2013-2015) of the Johnston County OA Project. Radiographic ankle OA (rAOA) was defined as a Kellgren-Lawrence arthritis grading scale of ≥ 2 on weight-bearing lateral and mortise radiographs...
February 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28202453/parenchymatous-cell-division-characterizes-the-fungal-cortex-of-some-common-foliose-lichens
#16
William B Sanders, Asunción de Los Ríos
PREMISE OF THE STUDY: Lichen-forming fungi produce diverse vegetative tissues, some closely resembling those of plants. Yet it has been repeatedly affirmed that none is a true parenchyma, in which cellular compartments are subdivided from all adjacent neighbors by cross walls adjoining older cross walls. METHODS: Using transmission electron microscopy (TEM), we tested this assumption by examining patterns of septum formation in the parenchyma-like cortex of three lichens of different phylogenetic affinities: Sticta canariensis, Leptogium cyanescens, and Endocarpon pusillum...
February 15, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28202133/toddlers-later-diagnosed-with-autism-exhibit-multiple-structural-abnormalities-in-temporal-corpus-callosum-fibers
#17
Noa Fingher, Ilan Dinstein, Michal Ben-Shachar, Shlomi Haar, Anders M Dale, Lisa Eyler, Karen Pierce, Eric Courchesne
Interhemispheric functional connectivity abnormalities are often reported in autism and it is thus not surprising that structural defects of the corpus callosum (CC) are consistently found using both traditional MRI and DTI techniques. Past DTI studies however, have subdivided the CC into 2 or 3 segments without regard for where fibers may project to within the cortex, thus placing limitations on our ability to understand the nature, timing and neurobehavioral impact of early CC abnormalities in autism. Leveraging a unique cohort of 97 toddlers (68 autism; 29 typical) we utilized a novel technique that identified seven CC tracts according to their cortical projections...
January 23, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28198621/theoretical-investigation-of-the-gas-phase-reaction-of-cro-with-propane
#18
Jennifer E Beck, Timothy J Dudley
Transition metal oxide cations (e.g., MO(+)) have been shown to oxidize small alkanes in the gas-phase. The chromium oxide cation is of particular interest because it is more reactive than oxides of earlier transition metals but is more selective than oxides of later transition metals. The reaction of CrO(+) with propane has been shown to produce a number of products: propanol, propene, ethene, and hydrogen. Few theoretical studies exist for reactions of simple transition metal oxide cations with larger alkanes...
February 15, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28198046/muscle-fatigability-and-depressive-symptoms-in-later-life
#19
Patrick J Brown, Dala Badreddine, Steven P Roose, Bret Rutherford, Hilsa N Ayonayon, Kristine Yaffe, Eleanor M Simonsick, Bret Goodpaster
OBJECTIVE: Fatigability is the degree to which performance decreases during a specific activity of a given intensity and duration. Depression is known to heighten subjective fatigue, but whether its association with physical fatigability is unknown. Further, whether fatigability is a precursor or risk factor for the development of subsequent depressive symptoms is also unclear. METHODS: Data are from the Health Aging and Body Composition Study with fatigability assessed using isokinetic dynamometry of the knee extensors at year 3, and depressive symptoms ascertained longitudinally using the Center for Epidemiologic Studies Depression (CES-D) scale...
February 15, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28197890/relationships-among-diet-physical-activity-and-dual-plane-dual-energy-x-ray-absorptiometry-bone-outcomes-in-pre-pubertalgirls
#20
Jie Ren, Lynn S Brann, Kay S Bruening, Tamara A Scerpella, Jodi N Dowthwaite
: In pre-pubertal girls, nutrient intakes and non-aquatic organized activity were evaluated as factors in vertebral body bone mass, structure, and strength. Activity, vitamin B12, and dietary fiber predicted bone outcomes most consistently. Exercise and vitamin B12 appear beneficial, whereas high fiber intake appears to be adverse for vertebral body development. PURPOSE: Childhood development sets the baseline for adult fracture risk. Most studies evaluate development using postero-anterior (PA) dual-energy X-ray absorptiometry (DXA) areal bone mineral density, bone mineral content, and bone mineral apparent density...
December 2017: Archives of Osteoporosis
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