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https://www.readbyqxmd.com/read/29346832/diagnosis-of-lumbar-spinal-stenosis-with-functional-myelography
#1
Matthias Morgalla, Sandra Frantz, Roberto Alexandre Dezena, Carlos Umberto Pereira, Marcos Tatagiba
BACKGROUND AND STUDY AIMS:  The diagnosis of a lumbar spinal stenosis demands advanced diagnostic radiologic techniques. In recent decades magnetic resonance imaging (MRI) has replaced myelography, now considered an old-fashioned technique. It was our hypothesis that functional myelography still plays an important role in selected cases. We investigated how our surgical strategy was influenced by the results of MRI, functional myelography, and postmyelography computed tomography (CT) in patients with a lumbar spinal stenosis...
January 18, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29346828/dynamic-posterior-stabilization-versus-posterior-lumbar-intervertebral-fusion-a-matched-cohort-study-based-on-the-spine-tango-registry
#2
Kathrin S Bieri, Kelly Goodwin, Emin Aghayev, Hans-Joachim Riesner, Ralph Greiner-Perth
PURPOSE:  The primary aim of dynamic stabilization is to stabilize the spine and preserve function without overstressing adjacent segments, which is a potential risk of fusion surgery. However, direct comparative analyses of the two approaches are still limited, and little is known about the association of patient-reported outcomes with these treatment options. OBJECTIVE:  To compare the clinical outcomes of dynamic posterior stabilization using the DSS Stabilization System (Paradigm Spine, LLC, New York, New York, United States) versus posterior lumbar intervertebral fusion (PLIF) based on data from a spine registry...
January 18, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29346827/efficacy-and-complications-of-submucosal-tunneling-endoscopic-resection-for-upper-gastrointestinal-submucosal-tumors-and-exploration-for-influencing-factors
#3
Shunzhe Song, Xu Wang, Shen Zhang, Yanxia Li, Xiaonan Zhang, Xufang Chu
BACKGROUND:  Submucosal tunneling endoscopic resection (STER) has emerged as a feasible technique for resecting upper gastrointestinal (GI) tract submucosal tumors (SMTs) through natural orifice transluminal endoscopic surgery. STER reduces the risk of postoperative perforation and abdominal infections and promotes rapid wound healing. The aim of this meta-analysis was to evaluate the safety and efficacy of STER for small (≤ 3.5 cm) upper GI SMTs and explore the potential factors influencing STER's efficacy and complication rate...
January 18, 2018: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29346804/trabodenoson-an-adenosine-mimetic-with-a1-receptor-selectivity-lowers-intraocular-pressure-by-increasing-conventional-outflow-facility-in-mice
#4
Guorong Li, Karen Y Torrejon, Andrea M Unser, Feryan Ahmed, Iris D Navarro, Rudolf A Baumgartner, David S Albers, W Daniel Stamer
Purpose: To evaluate the relationship between the IOP-lowering effect of trabodenoson and the associated structural and functional changes in the trabecular meshwork (TM). Methods: Six independent cohorts of young and aged mice were exposed to three different topical once-a-day formulations of trabodenoson and eyes were compared to those treated with placebo drops. IOP was measured daily just before drug administration using rebound tonometry. Outflow facility was measured in enucleated eyes...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29346793/epicardial-fat-thickness-in-non-obese-neurologically-impaired-children-association-with-unfavorable-cardiometabolic-risk-profile
#5
Valeria Calcaterra, Hellas Cena, Pietro Mariano Casali, Gianluca Iacobellis, Riccardo Albertini, Mara De Amici, Annalisa de Silvestri, Calogero Comparato, Gloria Pelizzo
BACKGROUND: Cardiovascular risk is reported in disabled children and epicardial fat (EF) is considered an independent predictor of cardiovascular disease (CVD). No data on the EF thickness (EFT) evaluation in disabled children have been published. OBJECTIVE: We investigated EFT in neurologically impaired (NI) children; its relationship with their metabolic profile was also considered. METHODS: Clinical data, body composition estimation, biochemical profile, and ultrasound-measured EFT were performed in 32 disabled patients (12...
January 18, 2018: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29346789/mentalization-and-self-efficacy-as-mediators-between-psychological-symptom-severity-and-disabilities-in-activities-and-participation-in-psychotherapy-patients
#6
Thomas Probst, Maria Dehoust, Anna Levke Brütt, Holger Schulz, Christoph Pieh, Sylke Andreas
BACKGROUND: Psychotherapy patients can be more or less disabled by their psychological symptoms. The present study investigated whether mentalization and self-efficacy contribute to the association between psychological symptom severity and disabilities in activities and participation. METHODS: The data of 216 psychotherapy inpatients were examined in a cross-sectional design. Bootstrapping-enhanced mediation analyses were performed to investigate whether self-efficacy and mentalization are mediators between psychological symptom severity and disabilities in activities and participation...
January 19, 2018: Psychopathology
https://www.readbyqxmd.com/read/29346786/changing-trends-in-brain-imaging-technique-for-pediatric-patients-with-ventriculoperitoneal-shunts
#7
Margaret J Trost, Nathan Robison, Dean Coffey, Mary Rose Mamey, R Aaron Robison
BACKGROUND: Children with ventriculoperitoneal shunts (VPS) undergoing brain computed tomography (CT) for shunt malfunction evaluation are at risk for later malignancy due to radiation exposure. We aimed to determine if and how hospitals have adopted radiation-avoiding magnetic resonance imaging (MRI) techniques. METHODS: We performed a secondary analysis of the Pediatric Health Information System (PHIS) database. Children with VPS presenting to acute wards at 31 PHIS hospitals between January 1, 2007 and January 2, 2015 and receiving noncontrast neuroimaging on day of service 0/1 were included...
January 19, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29346783/does-2-pro-prostate-specific-antigen-meet-the-criteria-to-justify-its-inclusion-in-the-clinical-decision-making-process
#8
Angeles Sanchis-Bonet, Marta Barrionuevo-González, Ana Bajo-Chueca, Nelson Morales-Palacios, Manuel Sanchez-Chapado
INTRODUCTION: To assess whether [-2]pro-prostate-specific antigen (p2PSA) meets the criteria to justify its inclusion in a predictive model of prostate cancer (PCa) diagnosis and in the clinical decision-making process. MATERIALS AND METHODS: A total 172 men with total prostate-specific antigen of 2-10 ng/mL underwent measurement of free PSA and p2PSA before prostate biopsy in an observational and prospective study. From these measurements, the Prostate Health Index (PHI) was calculated...
January 18, 2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29346780/prevention-of-aortic-dissection-suggests-a-diameter-shift-to-a-lower-aortic-size-threshold-for-intervention
#9
Ahmed M Mansour, Sven Peterss, Mohammad A Zafar, John A Rizzo, Hai Fang, Paris Charilaou, Bulat A Ziganshin, Umer M Darr, John A Elefteriades
BACKGROUND: Multiple studies have quantified the relationship between aortic size and risk of dissection. However, these studies estimated the risk of dissection without accounting for any increase in aortic size from the dissection process itself. OBJECTIVES: This study aims to compare aortic size before and after dissection and to evaluate the change in size consequent to the dissection itself. METHODS: Fifty-five consecutive patients (29 type A; 26 type B) with aortic dissection and incidental imaging studies prior to dissection were identified and compared to a control group of aneurysm patients (n = 205)...
January 19, 2018: Cardiology
https://www.readbyqxmd.com/read/29346758/size-dependent-axonal-bouton-dynamics-following-visual-deprivation-in%C3%A2-vivo
#10
Rosanna P Sammons, Claudia Clopath, Samuel J Barnes
Persistent synapses are thought to underpin the storage of sensory experience, yet little is known about their structural plasticity in vivo. We investigated how persistent presynaptic structures respond to the loss of primary sensory input. Using in vivo two-photon (2P) imaging, we measured fluctuations in the size of excitatory axonal boutons in L2/3 of adult mouse visual cortex after monocular enucleation. The average size of boutons did not change after deprivation, but the range of bouton sizes was reduced...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29346737/quantitative-and-qualitative-assessment-of-the-relative-arterial-contributions-to-the-calcaneus
#11
Johanna C E Donders, Craig E Klinger, Andre D Shaffer, Lionel E Lazaro, Ryan R Thacher, Jonathan P Dyke, David S Wellman, David L Helfet, Dean G Lorich
BACKGROUND: The purpose of this study was to quantitatively and qualitatively assess relative arterial contributions to the calcaneus. METHOD: Fourteen cadaveric ankle pairs were used. In each specimen, the posterior tibial artery, peroneal artery, and anterior tibial artery were cannulated and used for contrast-enhanced magnetic resonance imaging (MRI) and computed tomography (CT). Quantitative MRI analysis of the pre- and postcontrast MRI scans facilitated assessment of relative arterial contributions...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29346722/layer-by-layer-epitaxial-growth-of-defect-engineered-strontium-cobaltites
#12
Tassie Andersen, Seyoung Cook, Gang Wan, Hawoong Hong, Laurence D Marks, Dillon D Fong
Control over structure and composition of (ABO3) perovskite oxides offers exciting opportunities since these materials possess unique, tunable properties. Perovskite oxides with cobalt B-site cations are particularly promising, as the range of the cation's stable oxidation states leads to many possible structural frameworks. Here, we report growth of strontium cobalt oxide thin films by molecular beam epitaxy, and conditions necessary to stabilize different defect concentration phases. In situ X-ray scattering is used to monitor structural evolution during growth, while in situ X-ray absorption near-edge spectroscopy is used to probe oxidation state and measure changes to oxygen vacancy concentration as a function of film thickness...
January 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29346721/emulsion-electrospinning-of-polytetrafluoroethylene-ptfe-nanofibrous-membranes-for-high-performance-triboelectric-nanogenerators
#13
Pengfei Zhao, Navneet Soin, K Prashanthi, Jinkai Chen, Shurong Dong, Erping Zhou, Zhigang Zhu, Anand Arcot Narasimulu, Carlo D Montemagno, Liyang Yu, Jikui Luo
Electrospinning is a simple, versatile technique for fabricating fibrous nanomaterials with the desirable features of extremely high porosities and large surface areas. Using emulsion electrospinning, polytetrafluoroethylene/polyethene oxide (PTFE/PEO) membranes were fabricated followed by a sintering process to obtain pure PTFE fibrous membranes, which were further utilised against a polyamide 6 (PA6) membrane for vertical contact-mode triboelectric nanogenerators (TENGs). Electrostatic force microscopy (EFM) measurements of the sintered electrospun PTFE membranes revealed the presence of both positive and negative surface charges owing to the transfer of positive charge from PEO which further corroborated by FTIR measurements...
January 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29346709/rating-the-quality-of-a-body-of-evidence-on-the-effectiveness-of-health-and-social-interventions-a-systematic-review-and-mapping-of-evidence-domains
#14
Ani Movsisyan, Jane Dennis, Eva Rehfuess, Sean Grant, Paul Montgomery
INTRODUCTION: Rating the quality of a body of evidence is an increasingly common component of research syntheses on intervention effectiveness. This study sought to identify and examine existing systems for rating the quality of a body of evidence on the effectiveness of health and social interventions. METHODS: We used a multi-component search strategy to search for full-length reports of systems for rating the quality of a body of evidence on the effectiveness of health and social interventions published in English from 1995 onward...
January 18, 2018: Research Synthesis Methods
https://www.readbyqxmd.com/read/29346689/initial-development-and-validation-of-a-family-medicine-attitudes-questionnaire
#15
Julie Phillips, Jacob Prunuske, Laurie Fitzpatrick, Brian Mavis
BACKGROUND AND OBJECTIVES: Although many curricular and policy interventions are designed to influence students' attitudes toward family medicine, assessment of these interventions is limited by lack of a comprehensive, validated measure of students' attitudes. We sought to develop and validate a questionnaire that effectively assesses medical student attitudes toward family medicine. METHODS: A 31-item questionnaire was assessed for internal, external, and content validity...
January 2018: Family Medicine
https://www.readbyqxmd.com/read/29346685/metabolic-flux-engineering-of-cembratrien-ol-production-in-both-the-glandular-trichome-and-leaf-mesophyll-in-nicotiana-tabacum
#16
Hongying Zhang, Songtao Zhang, Yongxia Yang, Hongfang Jia, Hong Cui
Cembratrien-ol synthase (CBTS) catalyses the first step in cembranoid biosynthesis, producing cembratrien-ols in plant trichomes. In our previous study, microarray transcriptomes between leaves with trichomes and leaves without trichomes showed that a NtCBTS2 gene was expressed exclusively and abundantly in trichomes. Here, two NtCBTS2 isogenes (NtCBTS2a and NtCBTS2b), derived from a diploid genome donor, N. sylvestris, were identified from N. tabacum. Both genes were expressed primarily in trichomes, with relatively decreased transcription in flowers and stems, faint expression in roots, and no expression was detected in leaves lacking trichomes...
January 15, 2018: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29346678/case-study-of-an-adaptation-and-implementation-of-a-diabetes-prevention-program-for-individuals-with-serious-mental-illness
#17
Maria M Quiñones, Judy Lombard-Newell, Daryl Sharp, Valerie Way, Wendi Cross
The Diabetes Prevention Program (DPP) is an evidence-based lifestyle intervention developed to decrease the risk for type 2 diabetes and promote weight loss in individuals at risk for diabetes. Individuals with serious mental illness have a greater risk for developing diabetes compared with the general population. In this article, the authors provide a detailed description of the adaptation process of the DPP for individuals with serious mental illness (DPP-SMI). The adaptation process was based on a cultural adaptation framework for modifying evidence-based interventions...
January 16, 2018: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/29346677/anatomical-explanations-for-acute-depressions-in-radial-pattern-of-axial-sap-flow-in-two-diffuse-porous-mangrove-species-implications-for-water-use
#18
Hewei Zhao, Shengchang Yang, Xudong Guo, Congjiao Peng, Xiaoxuan Gu, Chuanyuan Deng, Luzhen Chen
Mangrove species have developed uniquely efficient water-use strategies in order to survive in highly saline and anaerobic environments. Herein, we estimated the stand water use of two diffuse-porous mangrove species of the same age, Sonneratia apetala Buch. Ham and Sonneratia caseolaris (L.) Engl., growing in a similar intertidal environment. Specifically, to investigate the radial patterns of axial sap flow density (Js) and understand the anatomical traits associated with them, we measured axial sap flow density in situ together with micromorphological observations...
January 16, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29346670/scoping-analysis-of-material-activation-at-a-boron-neutron-capture-therapy-facility-based-on-the-be-p-xn-reaction-with-30-mev-protons
#19
Bo-Lun Lai, Rong-Jiun Sheu
Material activation assessment of a proposed accelerator-based boron neutron capture therapy facility was performed using the FLUKA Monte Carlo code to quantify the magnitude of the problem in terms of the isotope inventories, induced activities, and residual dose rates. Two simplified operation scenarios were considered: a 30-min proton bombardment to simulate a typical session of patient treatment and a long-term 1 year continuous operation to estimate the accumulation of long-lived radionuclides. Following the generation and transport of decay radiation, the space- and time-dependent inventories of induced radionuclides in materials and residual dose rates after shutdown were obtained...
January 16, 2018: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29346655/does-the-additional-component-of-calf-circumference-refine-metabolic-syndrome-in-correlating-with-cardiovascular-risk
#20
Chen-Jung Wu, Tung-Wei Kao, Yaw-Wen Chang, Tao-Chun Peng, Li-Wei Wu, Hui-Fang Yang, Wei-Liang Chen
Context: Calf circumference (CC) was a useful anthropometric tool, but there was limited study on the effect of CC on metabolic syndrome (MetS) for cardiovascular risk. Objective: The objective of our study was to determine whether additional component of CC refined MetS in correlating with cardiovascular, all-cause and cancer mortality. Design, Setting, Patients, and Interventions: From the 1999-2002 NHANES dataset, we analyzed four types of MetS: WaistMetS (increased waist circumference and ≥ two of four MetS components), CalfMetS (decreased CC and ≥ two of four MetS components), WCRMetS (increased waist-to-calf ratio and ≥ two of four MetS components), and CC plus MetS (decreased CC and ≥ three of five MetS components)...
January 15, 2018: Journal of Clinical Endocrinology and Metabolism
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