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https://www.readbyqxmd.com/read/28736353/sport-related-structural-brain-injury-three-cases-of-subdural-hemorrhage-in-american-high-school-football
#1
Aaron M Yengo-Kahn, Ryan M Gardner, Andrew W Kuhn, Gary S Solomon, Christopher M Bonfield, Scott L Zuckerman
BACKGROUND: The risk of sport-related concussion (SRC) has emerged as a major public health concern. In rare instances, sport-related head injuries can be even more severe, such as subdural hemorrhage, epidural hemorrhage, or malignant cerebral edema. Unlike SRCs, sport-related structural brain injury (SRSBI) is rare, may require neurosurgical intervention, and can lead to permanent neurologic deficit or death. Data characterizing SRSBI is limited and many have recognized the need to better understand these catastrophic brain injuries...
July 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28736325/traumatic-neuropathy-of-the-trigeminal-nerve-in-a-college-trumpet-player-a-case-report
#2
Jeremy Lee Stanek, Kevin Donserm Komes
A 20-year-old college trumpet player presented with a 3-month history of upper lip numbness and worsening playing ability after a marching band performance. Examination demonstrated anesthesia of the upper lip following the borders of the trumpet mouthpiece. While playing, the patient had poor range and an airy tone quality. A prescription of complete embouchure rest for 6 weeks and a tailored return to play regimen resulted in resolution of upper lip numbness and improved trumpet playing. Neuropathy of the lip in a brass player is uncommon but highlights the uniqueness of injuries that may be sustained by performing artists...
July 20, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28735196/molecular-dynamics-simulation-of-sodium-dodecylsulfate-sds-bilayers
#3
Hongshu Zhang, Shiling Yuan, Jichao Sun, Jianqiang Liu, Haiping Li, Na Du, Wanguo Hou
Sodium dodecylsulfate (SDS) - a simple single tailed surfactant (STS) can form stable vesicles from its micellar solution without any additives under the mediation of solid surfaces. To further understand the mechanism of this transition on the molecular level, molecular dynamics simulations are performed to study segments of SDS bilayers (as part of vesicles) in the bulk solution systematically, at the moment that the lower leaflet of bilayers already detached from solid surfaces. The SDS membrane would rather keep their bilayers structure than return to micelles when the initial interdigitated degree (δi) between alkyl chains is more than 8...
July 15, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28730075/ccr7-p-erk1-2-vegf-signaling-promotes-retinal-neovascularization-in-a-mouse-model-of-oxygen-induced-retinopathy
#4
Lin-Hui Yuan, Xiao-Long Chen, Yu Di, Mei-Lin Liu
AIM: To investigate the role of CCR7/p-ERK1/2/VEGF signaling in the mouse model of oxygen-induced retinopathy (OIR). METHODS: Neonatal C57BL/6J mice were evenly randomized into four groups: normoxia, OIR, OIR control (treated with scramble siRNA), and OIR treated (treated with CCR7 siRNA). Normoxia group was not specially handled. Postnatal day 7 (P7) mice in the OIR group were exposed to 75%±5% oxygen for 5d (P7-P12) and then maintained under normoxic conditions for 5d (P12-P17)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28727937/preoperative-short-form-health-survey-score-is-predictive-of-return-to-play-and-minimal-clinically-important-difference-at-a-minimum-2-year-follow-up-after-anterior-cruciate-ligament-reconstruction
#5
Benedict U Nwachukwu, Brenda Chang, Pramod B Voleti, Patricia Berkanish, Matthew R Cohn, David W Altchek, Answorth A Allen, Riley J Williams
BACKGROUND: There is increased interest in understanding the preoperative determinants of postoperative outcomes. Return to play (RTP) and the patient-reported minimal clinically important difference (MCID) are useful measures of postoperative outcomes after anterior cruciate ligament reconstruction (ACLR). PURPOSE: To define the MCID after ACLR and to investigate the role of preoperative outcome scores for predicting the MCID and RTP after ACLR. STUDY DESIGN: Case-control study; Level of evidence, 3...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28727892/end-of-life-experiences-of-family-caregivers-of-deceased-patients-with-cancer-a-nation-wide-survey
#6
Kayo Hirooka, Hiroyuki Otani, Tatsuya Morita, Tomofumi Miura, Hiroki Fukahori, Maho Aoyama, Yoshiyuki Kizawa, Yasuo Shima, Satoru Tsuneto, Mitsunori Miyashita
OBJECTIVES: The purpose of this study was (1) to describe the end-of-life experience of family caregivers of cancer patients, (2) to describe talking about death and dying of the patient to minor children, and (3) to examine the association of family caregivers' experiences by their characteristics and talking about death and dying of the patient. METHODS: A cross-sectional nationwide survey of bereaved family caregivers was conducted. In total, 968 questionnaires were sent to bereaved family caregivers, and 711 were completed and returned...
July 20, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28727642/injuries-among-recreational-football-players-results-of-a-prospective-cohort-study
#7
Gürhan Dönmez, Feza Korkusuz, Levent Özçakar, Yiğitcan Karanfil, Erhan Dursun, Savaş Kudaş, Mahmut Nedim Doral
OBJECTIVES: To establish the incidence and patterns of football injuries and associated consequences in daily life and labor loss, among public employees. DESIGN: Prospective cohort study. SETTING: Football tournament between public employees in Turkey. PARTICIPANTS: A total of 1821 recreational players from 78 teams. MAIN OUTCOME MEASURES: Injury rates (injuries per 1000 hours of football exposure) during tournament by age group, as well as prevalence, severity, and injury types were recorded...
July 14, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28724453/decrease-in-vancomycin-resistant-enterococcus-colonization-after-extensive-renovation-of-a-unit-dedicated-to-the-treatment-of-hematologic-malignancies-and-hematopoietic-stem-cell-transplantation
#8
Clyde D Ford, Michaela A Gazdik Stofer, Jana Coombs, Bert K Lopansri, Brandon J Webb, Gabriela Motyckova, Finn Bo Petersen
OBJECTIVE While a direct relation between hospital construction and concomitant infection rates has been clearly established, few data are available regarding the environmental decontamination effects of renovation in which surfaces are replaced and regarding subsequent infection incidence. DESIGN Retrospective clinical study with vancomycin-resistant Enterococcus (VRE) molecular strain typing and environmental cultures. SETTING A regional referral center for acute leukemia and hematopoietic stem-cell transplantation...
July 20, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28723076/investigation-on-the-transformation-of-absorbed-oxygen-at-zno-101%C3%AC-0-surface-based-on-a-novel-thermal-pulse-method-and-density-functional-theory-simulation
#9
Tingqiang Yang, Yueli Liu, Wei Jin, Yiyang Han, Shuang Yang, Wen Chen
Absorbed oxygen plays a key role in gas sensing process of ZnO nanomaterials. In this work, the transformation of absorbed oxygen on ZnO (101̅0) and its effects on gas sensing properties to ethanol are studied by a novel thermal pulse method and density functional theory (DFT) simulation. Thermal pulse results reveal that the absorbed O2 molecule dissociates into two individual oxygen adatoms by extracting electrons from ZnO surface layers when temperature is above 443 K. The temperature at which absorbed O2 molecule begins to dissociate is the lowest working temperature for gas sensing...
July 19, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722327/transforming-growth-factor-beta-matrix-metalloproteinases-and-urokinase-type-plasminogen-activator-interaction-in-the-cancer-epithelial-to-mesenchymal-transition
#10
REVIEW
Juan F Santibanez, Hristina Obradović, Tamara Kukolj, Jelena Krstić
Transforming growth factor beta (TGF-β) is a pleiotropic factor that acts as a tumor suppressor in the early stages, while it exerts tumor promoting activities in advanced stages of cancer development. One of the hallmarks of cancer progression is the capacity of cancer cells to migrate and invade surrounding tissues with subsequent metastasis to different organs. Matrix metalloproteinases (MMPs) together with urokinase-type plasminogen activator (uPA) and its receptor (uPAR), whose main original function described is the proteolytic degradation of the extracellular matrix, play key cellular roles in the enhancement of cell malignancy during cancer progression...
July 19, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28720712/regulation-of-the-autophagy-system-during-chronic-contractile-activity-induced-muscle-adaptations
#11
Yuho Kim, David A Hood
Skeletal muscle is adaptable to exercise stimuli via the upregulation of mitochondrial biogenesis, and recent studies have suggested that autophagy also plays a role in exercise-induced muscle adaptations. However, it is still obscure how muscle regulates autophagy over the time course of training adaptations. This study examined the expression of autophagic proteins in skeletal muscle of rats exposed to chronic contractile activity (CCA; 6 h/day, 9V, 10 Hz continuous, 0.1 msec pulse duration) for 1, 3, and 7 days (n = 8/group)...
July 2017: Physiological Reports
https://www.readbyqxmd.com/read/28719454/the-difference-in-clinical-outcomes-after-anterior-cervical-fusion-disk-replacement-and-foraminotomy-in-professional-athletes
#12
Harry T Mai, Danielle S Chun, Andrew D Schneider, Andrew C Hecht, Joseph C Maroon, Wellington K Hsu
STUDY DESIGN: Retrospective case series. OBJECT: To compare postoperative outcomes of professional athletes treated for cervical disk herniation after anterior cervical discectomy and fusion (ACDF) and posterior foraminotomy (PF), or total disk replacement (TDR). SUMMARY OF BACKGROUND DATA: ACDF, PF, and TDR have all led to excellent outcomes in the general population but the unique demands in the professional athlete necessitate specific study...
July 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28715286/effects-of-lifestyle-intervention-on-soluble-cd163-a-macrophage-activation-marker-in-patients-with-non-alcoholic-fatty-liver-disease
#13
Sidsel Rødgaard-Hansen, Alexis St George, Konstantin Kazankov, Adrian Bauman, Jacob George, Henning Grønbæk, Holger Jon Møller
OBJECTIVE: Liver macrophages play an important role in the pathogenesis of non-alcoholic fatty liver disease (NAFLD). Soluble CD163 (sCD163), a macrophage-specific biomarker, reflects disease activity in the range of liver diseases. The impact of lifestyle intervention on sCD163 in adult NAFLD patients has not been investigated. MATERIAL AND METHODS: We assessed 126 NAFLD patients participating in a lifestyle intervention study for sCD163 concentrations at baseline, after the three-month intervention period, and at long-term follow-up after 12 and 24 months...
July 17, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28712553/implications-of-phase-ratio-for-maximizing-peak-capacity-in-comprehensive-two-dimensional-gas-chromatography-time-of-flight-mass-spectrometry
#14
Brendon A Parsons, David K Pinkerton, Robert E Synovec
The relationship between the phase ratio, β, of the primary ((1)D) and secondary ((2)D) separation dimensions of comprehensive two-dimensional (2D) gas chromatography (GC×GC) separations, and the implications of β on realization of maximal 2D peak capacity, nc,2D, are examined. A GC×GC chromatographic system with time-of-flight mass spectrometry, TOFMS, was otherwise held constant for the separation of a multi-component test mixture spanning a range of chemical functionalities, while only the β of the two analytical columns were changed, (1)β for (1)D and (2)β for (2)D...
July 9, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28710544/employers-experience-of-employees-with-cancer-trajectories-of-complex-communication
#15
C M Tiedtke, B Dierckx de Casterlé, M H W Frings-Dresen, A G E M De Boer, M A Greidanus, S J Tamminga, A E De Rijk
PURPOSE: Remaining in paid work is of great importance for cancer survivors, and employers play a crucial role in achieving this. Return to work (RTW) is best seen as a process. This study aims to provide insight into (1) Dutch employers' experiences with RTW of employees with cancer and (2) the employers' needs for support regarding this process. METHODS: Thirty employer representatives of medium and large for-profit and non-profit organizations were interviewed to investigate their experiences and needs in relation to employees with cancer...
July 14, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28709785/implementing-and-evaluating-a-telephone-based-centralized-maternity-care-coordination-program-for-pregnant-veterans-in%C3%A2-the-department-of-veterans-affairs
#16
Kristin M Mattocks, Judy Kuzdeba, Rebecca Baldor, Jose Casares, Lisa Lombardini, Megan R Gerber
PURPOSE: The purpose of this study was to develop and evaluate a comprehensive, telephonic maternity care coordination (MCC) program for all pregnant veterans enrolled for care at New England Department of Veterans Affairs (VA) facilities that comprise the Veterans Integrated Service Network 1. RESEARCH DESIGN: Telephone interviews were conducted with postpartum women veterans who had participated in the MCC program during their pregnancies. The program evaluation instrument assessed satisfaction and use of MCC services, prenatal education classes, and infant and maternal outcomes (e...
July 11, 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/28707114/the-shoulder-instability-return-to-sport-after-injury-sirsi-a-valid-and-reproducible-scale-to-quantify-psychological-readiness-to-return-to-sport-after-traumatic-shoulder-instability
#17
Antoine Gerometta, Shahnaz Klouche, Serge Herman, Nicolas Lefevre, Yoann Bohu
PURPOSE: The main goal of this study was to propose and validate a tool to quantify the psychological readiness of athletes to return to sport following traumatic shoulder instability and conservative or surgical management. METHODS: «Knee» was replaced by the term «shoulder» in the Anterior Cruciate Ligament-Return to Sport after Injury scale. This pilot test of the Shoulder Instability-Return to Sport after Injury scale (SIRSI) was performed in a group of athletes who underwent surgery for post-traumatic chronic anterior shoulder instability...
July 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28705436/non-metric-multidimensional-performance-indicator-scaling-reveals-seasonal-and-team-dissimilarity-within-the-national-rugby-league
#18
Carl T Woods, Sam Robertson, Wade H Sinclair, Neil French Collier
OBJECTIVES: Analysing the dissimilarity of seasonal and team profiles within elite sport may reveal the evolutionary dynamics of game-play, while highlighting the similarity of individual team profiles. This study analysed seasonal and team dissimilarity within the National Rugby League (NRL) between the 2005 to 2016 seasons. DESIGN: Longitudinal. METHODS: Total seasonal values for 15 performance indicators were collected for every NRL team over the analysed period (n=190 observations)...
June 22, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28701924/frontal-connectivity-in-eeg-gamma-30-45-hz-respond-to-spinal-cord-stimulation-in-minimally-conscious-state-patients
#19
Yang Bai, Xiaoyu Xia, Zhenhu Liang, Yong Wang, Yi Yang, Jianghong He, Xiaoli Li
Spinal cord stimulation (SCS) has become a valuable brain-intervention technique used to rehabilitate patients with disorders of consciousness (DOC). To explore how the SCS affects the cerebral cortex and what possible electrophysiological mechanism of SCS effects on the cortex, the present study investigated the functional connectivity and network properties during SCS in minimally conscious state (MCS) patients. MCS patients received both SCS and sham sessions. Functional connectivity of the phase lock value (PLV) in the gamma band (30-45 Hz) was investigated at the pre-, on- and post-SCS stages...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28697849/post-market-surveillance-in-the-german-medical-device-sector-current-state-and-future-perspectives
#20
Claus Zippel, Sabine Bohnet-Joschko
Medical devices play a central role in the diagnosis and treatment of diseases but also bring the potential for adverse events, hazards or malfunction with serious consequences for patients and users. Medical device manufacturers are therefore required by law to monitor the performance of medical devices that have been approved by the competent authorities (post market surveillance). Conducting a nationwide online-survey in the German medical device sector in Q2/2014 in order to explore the current status of the use of post market instruments we obtained a total of 118 complete data sets, for a return rate of 36%...
June 24, 2017: Health Policy
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