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https://www.readbyqxmd.com/read/27915474/racial-differences-in-the-diagnosis-and-treatment-of-prostate-cancer
#1
REVIEW
Giuliano Di Pietro, Ganna Chornokur, Nagi B Kumar, Chemar Davis, Jong Y Park
Disparities between African American and Caucasian men in prostate cancer (PCa) diagnosis and treatment in the United States have been well established, with significant racial disparities documented at all stages of PCa management, from differences in the type of treatment offered to progression-free survival or death. These disparities appear to be complex in nature, involving biological determinants as well as socioeconomic and cultural aspects. We present a review of the literature on racial disparities in the diagnosis of PCa, treatment, survival, and genetic susceptibility...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27915440/liver-steatosis-in-pre-transplant-liver-biopsies-can-be-quantified-rapidly-and-accurately-by-nuclear-magnetic-resonance-analysis
#2
Stefanie Bertram, Cathrin Myland, Sandra Swoboda, Anja Gallinat, Thomas Minor, Nils Lehmann, Michael Thie, Julia Kälsch, Leona Pott, Ali Canbay, Thomas Bajanowski, Henning Reis, Andreas Paul, Hideo A Baba
Donor livers marginally acceptable or acceptable according to extended criteria are more frequently transplanted due to the growing discrepancy between demand and availability of donor organs. One type of marginally acceptable graft is a steatotic donor liver, because it is more sensitive to ischemia-reperfusion injury. Thus, quantitative assessment of steatosis is crucial prior to liver transplantation. Extent of steatosis of 49 pre-reperfusion liver biopsies from patients who received orthotopic liver transplantation was assessed by three techniques: semi-quantitative histological evaluation, computerized histomorphometry, and NMR-based estimation of fat content...
December 3, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27914898/conflict-of-evidence-resolving-discrepancies-when-findings-from-randomized-controlled-trials-and-meta-analyses-disagree
#3
REVIEW
Richard J Sylvester, Steven E Canfield, Thomas B L Lam, Lorenzo Marconi, Steven MacLennan, Yuhong Yuan, Graeme MacLennan, John Norrie, Muhammad Imran Omar, Harman M Bruins, Virginia Hernández, Karin Plass, Hendrik Van Poppel, James N'Dow
CONTEXT: Clinicians and treatment guideline developers are faced with a dilemma when the results of a new, large, well-conducted randomized controlled trial (RCT) are in direct conflict with the results of a previous systematic review (SR) and meta-analysis (MA). OBJECTIVE: To explore and discuss possible reasons for disagreement in results from SRs/MAs and RCTs and to provide guidance to clinicians and guideline developers for making well-informed treatment decisions and recommendations in the face of conflicting data...
November 30, 2016: European Urology
https://www.readbyqxmd.com/read/27914780/a-monte-carlo-analysis-of-breast-screening-randomized-trials
#4
Luis I Zamora, Cristina Forastero, Damián Guirado, Antonio M Lallena
PURPOSE: To analyze breast screening randomized trials with a Monte Carlo simulation tool. METHODS: A simulation tool previously developed to simulate breast screening programmes was adapted for that purpose. The history of women participating in the trials was simulated, including a model for survival after local treatment of invasive cancers. Distributions of time gained due to screening detection against symptomatic detection and the overall screening sensitivity were used as inputs...
November 30, 2016: Physica Medica: PM
https://www.readbyqxmd.com/read/27914225/cortical-stimulation-parameters-for-functional-mapping
#5
Jacquelyn A Corley, Pouya Nazari, Vincent J Rossi, Nora C Kim, Louis F Fogg, Thomas J Hoeppner, Travis R Stoub, Richard W Byrne
PURPOSE: There is significant variation in how patients respond to cortical electrical stimulation. It has been hypothesized that individual demographic and pathologic factors, such as age, sex, disease duration, and MRI findings, may explain this discrepancy. The purpose of our study is to identify specific patient characteristics and their effect on cortical stimulation, and discover the extent of variation in behavioral responses that exists among patients with epilepsy. METHOD: We retrospectively analyzed data from 92 patients with medically intractable epilepsy who had extra-operative cortical electrical stimulation...
November 23, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27914099/discrepancies-between-multicriteria-decision-analysis-based-ranking-and-intuitive-ranking-for-pharmaceutical-benefit-risk-profiles-in-a-hypothetical-setting
#6
K Hoshikawa, S Ono
WHAT IS KNOWN AND OBJECTIVE: Multicriteria decision analysis (MCDA) has been generally considered a promising decision-making methodology for the assessment of drug benefit-risk profiles. There have been many discussions in both public and private sectors on its feasibility and applicability, but it has not been employed in official decision-makings. For the purpose of examining to what extent MCDA would reflect the first-hand, intuitive preference of evaluators in practical pharmaceutical assessments, we conducted a questionnaire survey involving the participation of employees of pharmaceutical companies...
December 2, 2016: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/27914027/the-role-of-guided-growth-as-it-relates-to-limb-lengthening
#7
REVIEW
Peter M Stevens
For decades, the classic indication for limb lengthening has been reserved for anisomelia that was expected to reach or exceed 5 cm at maturity. Epiphysiodesis was reserved for discrepancies in the 2-5 cm range. With the increasing sophistication of fixators, including rail, hexapod, and hybrid, complex deformities may be corrected simultaneously while moderate to extreme lengthening is achieved. More recently, iterations of telescoping intramedullary rods have further strengthened our armamentarium. Meanwhile, permanent epiphysiodesis techniques, both open and percutaneous, have yielded to more versatile and reversible tethering of one (angle) or both (length) sides of a physis...
December 2, 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27913960/neuroimaging-abnormalities-in-clade-c-hiv-are-independent-of-tat-genetic-diversity
#8
Robert H Paul, Sarah Phillips, Jacqueline Hoare, David H Laidlaw, Ryan Cabeen, Gayla R Olbricht, Yuqing Su, Dan J Stein, Susan Engelbrecht, Soraya Seedat, Lauren E Salminen, Laurie M Baker, Jodi Heaps, John Joska
Controversy remains regarding the neurotoxicity of clade C human immunodeficiency virus (HIV-C). When examined in preclinical studies, a cysteine to serine substitution in the C31 dicysteine motif of the HIV-C Tat protein (C31S) results in less severe brain injury compared to other viral clades. By contrast, patient cohort studies identify significant neuropsychological impairment among HIV-C individuals independent of Tat variability. The present study clarified this discrepancy by examining neuroimaging markers of brain integrity among HIV-C individuals with and without the Tat substitution...
December 2, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27913797/promoting-gait-recovery-and-limiting-neuropathic-pain-after-spinal-cord-injury-two-sides-of-the-same-coin
#9
Catherine Mercier, Meyke Roosink, Jason Bouffard, Laurent J Bouyer
Most persons living with a spinal cord injury experience neuropathic pain in the months following their lesion, at the moment where they receive intensive gait rehabilitation. Based on studies using animal models, it has been proposed that central sensitization in nociceptive pathways (maladaptive plasticity) and plasticity related to motor learning (adaptive plasticity) share common neural mechanisms and compete with each other. This article aims to address the discrepancy between the growing body of basic science literature supporting this hypothesis and the general belief in rehabilitation research that pain and gait rehabilitation represent two independent problems...
December 2, 2016: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/27913755/applications-of-three-dimensional-printing-in-surgery
#10
REVIEW
Chi Li, Tsz Fung Cheung, Vei Chen Fan, Kin Man Sin, Chrisity Wai Yan Wong, Gilberto Ka Kit Leung
Three-dimensional (3D) printing is a rapidly advancing technology in the field of surgery. This article reviews its contemporary applications in 3 aspects of surgery, namely, surgical planning, implants and prostheses, and education and training. Three-dimensional printing technology can contribute to surgical planning by depicting precise personalized anatomy and thus a potential improvement in surgical outcome. For implants and prosthesis, the technology might overcome the limitations of conventional methods such as visual discrepancy from the recipient's body and unmatching anatomy...
December 2, 2016: Surgical Innovation
https://www.readbyqxmd.com/read/27913585/the-influence-of-placental-metabolism-on-fatty-acid-transfer-to-the-fetus
#11
Simone Perazzolo, Birgit Hirschmugl, Christian Wadsack, Gernot Desoye, Rohan M Lewis, Bram G Sengers
The factors determining Fatty acid transfer across the placenta are not fully understood. This study used a combined experimental and computational modelling approach to explore placental transfer of non-esterified fatty acids and identify rate-determining processes. The isolated perfused human placenta was used to study the uptake and transfer of [(13)C]-fatty acids and the release of endogenous fatty acids. Only 6.2 ± 0.8% of the maternal (13)C-fatty acids taken up by the placenta was delivered to the fetal circulation...
December 2, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27913533/non-hodgkin-lymphoma-across-the-pediatric-and-adolescent-and-young-adult-age-spectrum
#12
John T Sandlund, Mike G Martin
The non-Hodgkin lymphomas (NHLs) occurring in children and adolescents and young adults (AYA) are characterized by various age-related differences in tumor biology and survival. Children generally present with high-grade lymphomas, such as Burkitt lymphoma, diffuse large B-cell lymphoma, lymphoblastic lymphoma, and anaplastic large cell lymphoma, whereas low-grade histologic subtypes, such as follicular lymphoma, occur more frequently with increasing age. Treatment outcome for children with NHL is generally superior to that observed in adults...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913314/audiologic-characteristics-in-a-sample-of-recently-separated-military-veterans-the-noise-outcomes-in-servicemembers-epidemiology-study-noise-study
#13
J S Gordon, S E Griest, E J Thielman, K C Carlson, W J Helt, M S Lewis, C Blankenship, D Austin, S M Theodoroff, J A Henry
Military Service Members are often exposed to high levels of occupational noise, solvents, and other exposures that can be damaging to the auditory system. Little is known about hearing loss and how it progresses in Veterans following military service. This epidemiology study is designed to evaluate and monitor a cohort of Veterans for 20 years or more to determine how hearing loss changes over time and how those changes are related to noise exposure and other ototoxic exposures encountered during military service...
November 29, 2016: Hearing Research
https://www.readbyqxmd.com/read/27913052/evaluation-of-erg-and-pten-protein-expression-in-cribriform-architecture-prostate-carcinomas
#14
Michelle R Downes, Swati Satturwar, Dominique Trudel, Theo H van der Kwast
ERG and PTEN have been suggested as potential prognostic markers in prostatic adenocarcinoma. We assessed the relationship between ERG and PTEN protein expression in cribriform architecture prostatic carcinomas and adjacent acinar non-cribriform carcinoma and determined the interobserver variability in assessment of these markers. A contemporary cohort of radical prostatectomy cases (n=246) were reviewed and cribriform architecture carcinomas (intraductal carcinoma and cribriform Gleason 4 carcinomas) were identified and confirmed with triple cocktail immunostaining...
October 26, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27912920/the-relationship-between-therapist-rated-function-and-patient-reported-outcome-measures
#15
Yvonne Braun, Jos J Mellema, Rinne M Peters, Suzanne Curley, Gae Burchill, David Ring
STUDY DESIGN: Prospective cohort study. INTRODUCTION: Some third-party payers require hand therapists to rate patient's functional disability based on patient self-rating using patient-reported outcome measures (PROMs), objective measurements of impairment, and observation of functional tasks-hand therapist-rated function (HTRF). PURPOSE OF THE STUDY: To test the correlation between HTRF and PROMs (upper limb functional index [ULFI] and Patient-Reported Outcomes Measurement Information System upper extremity [PROMIS UE]) and its association with psychological factors...
November 29, 2016: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/27912778/medical-priority-dispatch-codes-comparison-with-national-early-warning-score
#16
Marko Hoikka, Sami Länkimäki, Tom Silfvast, Tero I Ala-Kokko
BACKGROUND: In Finland, calls for emergency medical services are prioritized by educated non-medical personnel into four categories-from A (highest risk) to D (lowest risk)-following a criteria-based national dispatch protocol. Discrepancies in triage may result in risk overestimation, leading to inappropriate use of emergency medical services units and to risk underestimation that can negatively impact patient outcome. To evaluate dispatch protocol accuracy, we assessed association between priority assigned at dispatch and the patient's condition assessed by emergency medical services on the scene using an early warning risk assessment tool...
December 3, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27912194/a-model-driven-approach-to-studying-dissociations-between-body-size-mental-representations-in-anorexia-nervosa
#17
Anne-Laure Moscone, Michel-Ange Amorim, Christine Le Scanff, Pascale Leconte
This study compared dissociations between mental representations of current, ideal and normal body sizes (i.e., Current BS, Ideal BS and Normal BS) for women with anorexia nervosa (AN group, n=56) and healthy women (control group, n=56). Along the lines of the single channel model of Cornelissen et al. (2013), the discrepancy between Current BS and BMI for both groups was adequately described along a common linear continuum of Current BS (mis)perception. Body size mental representations were ranked similarly (Ideal BS<Current BS<Normal BS) in each group...
November 29, 2016: Body Image
https://www.readbyqxmd.com/read/27912135/attenuating-the-surface-urban-heat-island-within-the-local-thermal-zones-through-land-surface-modification
#18
Jiong Wang, Wanlu Ouyang
Inefficient mitigation of excessive heat is attributed to the discrepancy between the scope of climate research and conventional planning practice. This study approaches this problem at both domains. Generally, the study, on one hand, claims that the climate research of the temperature phenomenon should be at local scale, where implementation of planning and design strategies can be more feasible. On the other hand, the study suggests that the land surface factors should be organized into zones or patches, which conforms to the urban planning and design manner...
November 29, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27912100/source-tracking-using-microbial-community-fingerprints-method-comparison-with-hydrodynamic-modelling
#19
D T McCarthy, D Jovanovic, A Lintern, I Teakle, M Barnes, A Deletic, R Coleman, G Rooney, T Prosser, S Coutts, M R Hipsey, L C Bruce, R Henry
Urban estuaries around the world are experiencing contamination from diffuse and point sources, which increases risks to public health. To mitigate and manage risks posed by elevated levels of contamination in urban waterways, it is critical to identify the primary water sources of contamination within catchments. Source tracking using microbial community fingerprints is one tool that can be used to identify sources. However, results derived from this approach have not yet been evaluated using independent datasets...
November 16, 2016: Water Research
https://www.readbyqxmd.com/read/27911901/the-researchers-view-of-scientific-rigor-survey-on-the-conduct-and-reporting-of-in-vivo-research
#20
Thomas S Reichlin, Lucile Vogt, Hanno Würbel
Reproducibility in animal research is alarmingly low, and a lack of scientific rigor has been proposed as a major cause. Systematic reviews found low reporting rates of measures against risks of bias (e.g., randomization, blinding), and a correlation between low reporting rates and overstated treatment effects. Reporting rates of measures against bias are thus used as a proxy measure for scientific rigor, and reporting guidelines (e.g., ARRIVE) have become a major weapon in the fight against risks of bias in animal research...
2016: PloS One
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