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https://www.readbyqxmd.com/read/28088710/short-range-shooting-distance-estimation-using-variable-pressure-sem-images-of-the-surroundings-of-bullet-holes-in-textiles
#1
Ruth Hinrichs, Paulo Ricardo Ost Frank, M A Z Vasconcellos
Modifications of cotton and polyester textiles due to shots fired at short range were analyzed with a variable pressure scanning electron microscope (VP-SEM). Different mechanisms of fiber rupture as a function of fiber type and shooting distance were detected, namely fusing, melting, scorching, and mechanical breakage. To estimate the firing distance, the approximately exponential decay of GSR coverage as a function of radial distance from the entrance hole was determined from image analysis, instead of relying on chemical analysis with EDX, which is problematic in the VP-SEM...
December 29, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28088557/meta-analysis-of-organizational-skills-interventions-for-children-and-adolescents-with-attention-deficit-hyperactivity-disorder
#2
REVIEW
Aida Bikic, Brian Reichow, Spencer A McCauley, Karim Ibrahim, Denis G Sukhodolsky
BACKGROUND: In addition to problems with attention and hyperactivity, children with ADHD present with poor organizational skills required for managing time and materials in academic projects. Organizational skills training (OST) has been increasingly used to address these deficits. We conducted a systematic review and meta-analysis of OST in children with ADHD. OBJECTIVES: The objective of this study was to systematically review the evidence of the effects of OST for children with ADHD for organizational skills, attention, and academic performance...
December 29, 2016: Clinical Psychology Review
https://www.readbyqxmd.com/read/28052297/androgen-receptor-gene-copy-number-and-protein-expression-in-treatment-na%C3%A3-ve-prostate-cancer
#3
Filip Poelaert, Candy Kumps, Nicolaas Lumen, Stephanie Verschuere, Louis Libbrecht, Marleen Praet, Sylvie Rottey, Tom Claeys, Piet Ost, Karel Decaestecker, Gert De Meerleer, Charles Van Praet
OBJECTIVES: To evaluate the androgen receptor (AR) gene copy number in androgen deprivation therapy (ADT) treatment-naïve prostate cancer (PCa) patients and to evaluate the corresponding AR protein expression and assess the association between these features and prognostic factors. MATERIALS AND METHODS: Chromosome X and AR gene copy number, using fluorescence-in-situ-hybridization, and epithelial-stromal AR expression, using AR immunohistochemistry, were analyzed in 62 ADT treatment-naïve PCa patients and 8 castration-refractory patients...
January 5, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28044376/psychosocial-interventions-in-opiate-substitution-treatment-services-does-the-evidence-provide-a-case-for-optimism-or-nihilism
#4
Ed Day, Luke Mitcheson
BACKGROUND AND AIMS: Clinical guidelines from around the world recommend the delivery of psychosocial interventions as part of routine care in opiate substitution treatment (OST) programmes. However, although individual studies demonstrate benefit for structured psychosocial interventions, meta-analytical reviews find no benefit for manual-based treatments beyond 'routine counselling'. ANALYSIS: We consider the question of whether OST medication alone is sufficient to produce the required outcomes, or whether greater efforts should be made to provide high-quality psychosocial treatment alongside medication...
January 2, 2017: Addiction
https://www.readbyqxmd.com/read/28030417/a-resident-as-teacher-curriculum-using-a-flipped-classroom-approach-can-a-model-designed-for-efficiency-also-be-effective
#5
Binny D Chokshi, Heidi K Schumacher, Kristen Reese, Priti Bhansali, Jeremy R Kern, Samuel J Simmens, Benjamin Blatt, Larrie W Greenberg
PROBLEM: The Accreditation Council for Graduate Medical Education requires training that enhances resident teaching skills. Despite this requirement, many residency training programs struggle to implement effective resident-as-teacher (RAT) curricula, particularly within the context of the 80-hour resident workweek. APPROACH: In 2013, the authors developed and evaluated an intensive one-day RAT curriculum using a flipped classroom approach. Twenty-nine second-year residents participated in daylong RAT sessions...
December 27, 2016: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28027732/endobronchial-ultrasound-guided-transbronchial-needle-aspiration-in-the-nodal-staging-of-stereotactic-ablative-body%C3%A2-radiotherapy-patients
#6
Macarena R Vial, Kashif A Khan, Oisin O'Connell, S Andrew Peng, Daniel R Gomez, Joe Y Chang, David C Rice, Reza Mehran, Carlos J Jimenez, Horiana B Grosu, David E Ost, George A Eapen
BACKGROUND: Patients with non-small cell lung cancer (NSCLC) being evaluated for stereotactic ablative body radiotherapy (SABR) are typically staged noninvasively with positron emission tomography/computed tomography (PET/CT). Incorporating endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) into the staging workup of these patients has not been evaluated. Our primary objective was to compare the performance of PET/CT with EBUS-TBNA for intrathoracic nodal assessment among SABR-eligible patients...
December 24, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28017345/axillary-brachial-plexus-block-duration-with-mepivacaine-in-patients-with-chronic-renal-failure-case-control-study
#7
V Mojica, D Nieuwveld, A E Herrera, G Mestres, A M López, X Sala-Blanch
INTRODUCTION: Regional anaesthesia is commonly preferred for arteriovenous fistula (AVF) creation. Previous studies suggest a shorter block duration in patients with chronic renal failure, maybe because of the changes in regional blood flow. The aim of our study was to evaluate the duration of the axillary block with 1.5% mepivacaine in patients with chronic renal failure scheduled for AVF compared with healthy controls. METHODS: Patients scheduled for AVF creation for the first time (GIRC) were included...
December 22, 2016: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28002683/a-prediction-model-to-help-with-the-assessment-of-adenopathy-in-lung-cancer-hal
#8
Oisin J O'Connell, Francisco A Almeida, Michael J Simoff, Lonny Yarmus, Ray Lazarus, Benjamin Young, Yu Chen, Roy Semaan, Timothy M Saettele, Joseph Cicenia, Harmeet Bedi, Corrine Kliment, Liang Li, Sonali Sethi, Javier Diaz-Mendoza, David Feller-Kopman, Juhee Song, Thomas Gildea, Hans Lee, Horiana B Grosu, Michael Machuzak, Macarena Rodriguez-Vial, George A Eapen, Carlos A Jimenez, Roberto F Casal, David E Ost
RATIONALE: Estimating the probability of finding N2 or N3 (prN2/3) malignant nodal disease on EBUS-TBNA in patients with non-small cell lung cancer (NSCLC) can facilitate the selection of subsequent management strategies. OBJECTIVE: The goal of this study was to develop a clinical prediction model for estimating the prN2/3. METHODS: We used the AQuIRE registry to identify patients with NSCLC with clinical radiographic stage T1-3, N0-3, M0 disease that had EBUS-TBNA for staging...
December 21, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27997792/tethering-an-n-glycosylation-sequon-containing-peptide-creates-a-catalytically-competent-oligosaccharyltransferase-complex
#9
Shunsuke Matsumoto, Yuya Taguchi, Atsushi Shimada, Mayumi Igura, Daisuke Kohda
Oligosaccharyltransferase (OST) transfers an oligosaccharide chain to the Asn residue in the Asn-X-Ser/Thr sequon in proteins, where X is not proline. A sequon was tethered to an archaeal OST enzyme via a disulfide bond. The positions of the cysteine residues in the OST protein and the sequon-containing acceptor peptide were selected by reference to the eubacterial OST structure in a non-covalent complex with an acceptor peptide. We determined the crystal structure of the cross-linked OST-sequon complex. The Ser/Thr-binding pocket recognizes the Thr residue in the sequon, and the catalytic structure referred to as 'carboxylate dyad' interacted with the Asn residue...
December 20, 2016: Biochemistry
https://www.readbyqxmd.com/read/27995589/comparative-of-fibroblast-and-osteoblast-cells-adhesion-on-surface-modified-nanofibrous-substrates-based-on-polycaprolactone
#10
Fereshteh Sharifi, Shiva Irani, Mojgan Zandi, Masoud Soleimani, Seyed Mohammad Atyabi
One of the determinant factors for successful bioengineering is to achieve appropriate nano-topography and three-dimensional substrate. In this research, polycaprolactone (PCL) nano-fibrous mat with different roughness modified with O2 plasma was fabricated via electrospinning. The purpose of this study was to evaluate the effect of plasma modification along with surface nano-topography of mats on the quality of human fibroblast (HDFs) and osteoblast cells (OSTs)-substrate interaction. Surface properties were studied using scanning electron microscopy (SEM), atomic force microscopy (AFM), contact angle, Fourier-transformation infrared spectroscopy...
December 2016: Progress in biomaterials
https://www.readbyqxmd.com/read/27987524/importance-and-outcome-relevance-of-central-pathology-review-in-prostatectomy-specimens-data-from-the-sakk-09-10-randomized-trial-on-prostate-cancer
#11
Pirus Ghadjar, Stefanie Hayoz, Vera Genitsch, Daniel R Zwahlen, Tobias Hölscher, Philipp Gut, Matthias Guckenberger, Guido Hildebrandt, Arndt-Christian Müller, Martin P Putora, Alexandros Papachristofilou, Lukas Stalder, Christine Biaggi-Rudolf, Marcin Sumila, Helmut Kranzbühler, Yousef Najafi, Piet Ost, Ngwa C Azinwi, Christiane Reuter, Stephan Bodis, Kaouthar Khanfir, Volker Budach, Daniel M Aebersold, George N Thalmann
OBJECTIVES: To conduct a central pathology review within a randomized clinical trial on salvage radiation therapy (RT) in the presence of biochemical recurrence after prostatectomy to assess whether this results in shifts of histopathological prognostic factors such as the Gleason Score. PATIENTS AND METHODS: A total of 350 patients were randomized and specimens of 279 (80%) of the patients were centrally reviewed by a dedicated genitourinary pathologist. The Gleason Score, tumor classification and resection margin status were reassessed and compared with the local pathology reports...
December 17, 2016: BJU International
https://www.readbyqxmd.com/read/27957619/depressive-symptoms-and-structural-disease-progression-in-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#12
Alan M Rathbun, Michelle S Yau, Michelle Shardell, Elizabeth A Stuart, Marc C Hochberg
Depressive symptoms are associated with increases in pain and functional limitations in knee osteoarthritis (OA). The aim was to determine whether depressive symptoms are also associated with greater structural knee OA progression. Four years of annual radiographic and clinical assessments from the Osteoarthritis Initiative were analyzed. The Center for Epidemiological Studies Depression Scale was used to identify depressive symptoms (threshold = ≥16) at the baseline visit. Propensity scores were used to match participants with and without baseline depressive symptoms on multiple potential confounders...
December 12, 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/27931232/retention-in-georgia-opioid-substitution-therapy-program-and-associated-factors
#13
Ekaterine Ruadze, Khatuna Todadze
BACKGROUND: Substance abuse has been considered as a growing challenge in Georgia that is closely linked with human immune deficiency virus (HIV) and hepatitis C transmission due to unsafe injection and other uncontrolled behaviors. Methadone maintenance therapy is one of the major treatment options for opioid-dependent individuals. It has proven efficacy in decreasing illegal opioid consumption and criminal behavior as well as reducing the level of HIV infection, mortality, HCV infection, and increasing social functioning...
December 8, 2016: Harm Reduction Journal
https://www.readbyqxmd.com/read/27927256/the-effects-of-needle-sharing-and-opioid-substitution-therapy-on-incidence-of-hepatitis-c-virus-infection-and-reinfection-in-people-who-inject-drugs
#14
C K Aitken, P A Agius, P G Higgs, M A Stoové, D S Bowden, P M Dietze
Although high hepatitis C virus (HCV) prevalence has been observed in people who inject drugs (PWID) for decades, research suggests incidence is falling. We examined whether PWIDs' use of opioid substitution therapy (OST) and their needle-and-syringe sharing behaviour explained HCV incidence. We assessed HCV incidence in 235 PWID in Melbourne, Australia, and performed discrete-time survival with needle-sharing and OST status as independent variables. HCV infection, reinfection and combined infection/reinfection incidences were 7·6 [95% confidence interval (CI) 4·8-11·9], 12·4 (95% CI 9·1-17·0) and 9·7 (95% CI 7·4-12·6) per 100 person-years, respectively...
December 8, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27919752/bioavailable-25-oh-d-but-not-total-25-oh-d-is-an-independent-determinant-for-bone-mineral-density-in-chinese-postmenopausal-women
#15
Chenguang Li, Peizhan Chen, Xiaohua Duan, Jing Wang, Bing Shu, Xiaoguang Li, Qian Ba, Jingquan Li, Yongjun Wang, Hui Wang
Total 25(OH)D levels were determined to assess bone health in elderly populations; however, the bioavailability of 25(OH)D is regulated by the albumin and vitamin D binding protein (DBP) levels and DBP variations. Whether bioavailable 25(OH)D level is a superior biomarker for vitamin D than total 25(OH)D level regarding the BMD and the bone metabolism were not yet fully understood. With a community based cross-sectional study of 967 postmenopausal women, we found that the variant rs7041, but not rs4588, of DBP was significantly associated with the blood DBP level, which was positively correlated with the total 25(OH)D level but negatively associated with bioavailable 25(OH)D levels...
February 2017: EBioMedicine
https://www.readbyqxmd.com/read/27916644/targeted-mitochondrial-uncoupling-beyond-ucp1-the-fine-line-between-death-and-metabolic-health
#16
REVIEW
Mario Ost, Susanne Keipert, Susanne Klaus
In the early 1930s, the chemical uncoupling agent 2,4-dinitrophenol (DNP) was promoted for the very first time as a powerful and effective weight loss pill but quickly withdrawn from the market due to its lack of tissue-selectivity with resulting dangerous side effects, including hyperthermia and death. Today, novel mitochondria- or tissue-targeted chemical uncouplers with higher safety and therapeutic values are under investigation in order to tackle obesity, diabetes and fatty liver disease. Moreover, in the past 20 years, transgenic mouse models were generated to understand the molecular and metabolic consequences of targeted uncoupling, expressing functional uncoupling protein 1 (UCP1) ectopically in white adipose tissue or skeletal muscle...
December 2, 2016: Biochimie
https://www.readbyqxmd.com/read/27904513/relationship-between-visual-status-and-functional-status-and-the-risk-of-falls-in-women-the-rac-ost-pol-study
#17
Wojciech Rokicki, Bogna Drozdzowska, Aleksandra Czekajło, Władysław Grzeszczak, Katarzyna Wiktor, Wojciech Majewski, Wojciech Pluskiewicz
INTRODUCTION: Falls in elderly women producing fractures are a public health problem that could be largely preventable. The aim of this study was to determine the effect of visual impairment on functional status, falls and fractures in women. MATERIAL AND METHODS: We examined 623 women aged ≥ 55 years in order to assess the association between visual status and functional status and the risk of falls and fractures. Distance, near visual acuity, and depth perception were examined...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27894213/factor-solutions-of-the-social-phobia-scale-sps-and-the-social-interaction-anxiety-scale-sias-in-a-swedish-population
#18
Ewa Mörtberg, Lena Reuterskiöld, Maria Tillfors, Tomas Furmark, Lars-Göran Öst
Culturally validated rating scales for social anxiety disorder (SAD) are of significant importance when screening for the disorder, as well as for evaluating treatment efficacy. This study examined construct validity and additional psychometric properties of two commonly used scales, the Social Phobia Scale and the Social Interaction Anxiety Scale, in a clinical SAD population (n = 180) and in a normal population (n = 614) in Sweden. Confirmatory factor analyses of previously reported factor solutions were tested but did not reveal acceptable fit...
November 29, 2016: Cognitive Behaviour Therapy
https://www.readbyqxmd.com/read/27892833/a-mega-analysis-of-memory-reports-from-eight-peer-reviewed-false-memory-implantation-studies
#19
Alan Scoboria, Kimberley A Wade, D Stephen Lindsay, Tanjeem Azad, Deryn Strange, James Ost, Ira E Hyman
Understanding that suggestive practices can promote false beliefs and false memories for childhood events is important in many settings (e.g., psychotherapeutic, medical, and legal). The generalisability of findings from memory implantation studies has been questioned due to variability in estimates across studies. Such variability is partly due to false memories having been operationalised differently across studies and to differences in memory induction techniques. We explored ways of defining false memory based on memory science and developed a reliable coding system that we applied to reports from eight published implantation studies (N = 423)...
February 2017: Memory
https://www.readbyqxmd.com/read/27870477/ascending-single-dose-double-blind-placebo-controlled-safety-study-of-noribogaine-in-opioid-dependent-patients
#20
Paul Glue, Gavin Cape, Donna Tunnicliff, Michelle Lockhart, Fred Lam, Noelyn Hung, C Tak Hung, Sarah Harland, Jane Devane, R S Crockett, John Howes, Borje Darpo, Meijian Zhou, Holger Weis, Lawrence Friedhoff
Ibogaine is a psychoactive substance that may reduce opioid withdrawal symptoms. This was the first clinical trial of noribogaine, ibogaine's active metabolite, in patients established on methadone opioid substitution therapy (OST). In this randomized, double-blind, placebo-controlled single ascending-dose study, we evaluated the safety, tolerability, and pharmacokinetics of noribogaine in 27 patients seeking to discontinue methadone OST who had been switched to morphine during the previous week. Noribogaine doses were 60, 120, or 180 mg (n = 6/dose level) or matching placebo (n = 3/dose level)...
November 2016: Clinical Pharmacology in Drug Development
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