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Head injury AND fit

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https://www.readbyqxmd.com/read/28994780/a-test-bed-to-examine-helmet-fit-and-retention-and-biomechanical-measures-of-head-and-neck-injury-in-simulated-impact
#1
Henry Y Yu, Brooklynn M Knowles, Christopher R Dennison
Conventional wisdom and the language in international helmet testing and certification standards suggest that appropriate helmet fit and retention during an impact are important factors in protecting the helmet wearer from impact-induced injury. This manuscript aims to investigate impact-induced injury mechanisms in different helmet fit scenarios through analysis of simulated helmeted impacts with an anthropometric test device (ATD), an array of headform acceleration transducers and neck force/moment transducers, a dual high speed camera system, and helmet-fit force sensors developed in our research group based on Bragg gratings in optical fiber...
September 21, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28937917/head-impact-exposure-measured-in-a-single-youth-football-team-during-practice-drills
#2
Mireille E Kelley, Joeline M Kane, Mark A Espeland, Logan E Miller, Alexander K Powers, Joel D Stitzel, Jillian E Urban
OBJECTIVE This study evaluated the frequency, magnitude, and location of head impacts in practice drills within a youth football team to determine how head impact exposure varies among different types of drills. METHODS On-field head impact data were collected from athletes participating in a youth football team for a single season. Each athlete wore a helmet instrumented with a Head Impact Telemetry (HIT) System head acceleration measurement device during all preseason, regular season, and playoff practices...
September 12, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28912029/inclusion-of-highest-glasgow-coma-scale-motor-component-score-in-mortality-risk-adjustment-for-benchmarking-of-trauma-center-performance
#3
David Gomez, James P Byrne, Aziz S Alali, Wei Xiong, Chris Hoeft, Melanie Neal, Harris Subacius, Avery B Nathens
BACKGROUND: The Glasgow Coma Scale (GCS) is the most widely used measure of traumatic brain injury (TBI) severity. Currently, the arrival GCS motor component (mGCS) score is used in risk-adjustment models for external benchmarking of mortality. However, there is evidence that the highest mGCS score in the first 24 hours after injury might be a better predictor of death. Our objective was to evaluate the impact of including the highest mGCS score on the performance of risk-adjustment models and subsequent external benchmarking results...
September 11, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28892940/a-qualitative-study-on-knowledge-and-attitude-towards-risk-factors-early-identification-and-intervention-of-infant-hearing-loss-among-puerperal-mothers-a-short-survey
#4
Ravi Dudda, Hanumanth Prasad Muniyappa, Sahana Puttaraju, M S Lakshmi
INTRODUCTION: Maternal active participation and their support are critical for the success of early hearing loss detection program. Erroneous maternal decisions may have large life long consequences on the infant's life. The mothers' knowledge and their attitudes towards infant hearing loss is the basis for their decisions. AIM: The present study was done to determine the mothers' knowledge and their attitude towards risk factors of infant hearing loss, its early identification and intervention and also awareness of effect of consanguinity on hearing loss...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28860400/mid-term-outcomes-of-77-modular-radial-head-prostheses
#5
P Laumonerie, N Reina, D Ancelin, S Delclaux, M E Tibbo, N Bonnevialle, P Mansat
AIMS: Radial head arthroplasty (RHA) may be used in the treatment of non-reconstructable radial head fractures. The aim of this study was to evaluate the mid-term clinical and radiographic results of RHA. PATIENTS AND METHODS: Between 2002 and 2014, 77 RHAs were implanted in 54 men and 23 women with either acute injuries (54) or with traumatic sequelae (23) of a fracture of the radial head. Four designs of RHA were used, including the Guepar (Small Bone Innovations (SBi)/Stryker; 36), Evolutive (Aston Medical; 24), rHead RECON (SBi/Stryker; ten) or rHead STANDARD (SBi/Stryker; 7) prostheses...
September 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28819590/minimally-invasive-total-hip-replacement-in-an-ipsilateral-post-traumatic-above-knee-amputation-a-case-report
#6
Sanjeev Patnaik, Biswaranjan Nayak, Akshaya Kumar Sahoo, Nabin Kumar Sahu
INTRODUCTION: Total hip replacement (THR) is a highly successful operation in alleviating pain and improving the overall function of the hip, in end-stage arthritis of the hip, in otherwise fit patients. However, THR as a surgical option in post-traumatic hip arthritis with ipsilateral above-knee amputation is rarely reported. CASE REPORT: We are presenting a case report of a 30-year-old male, who had previously underwent an above-knee amputation due to road-traffic accident, presenting 24 h after the injury with segmental fracture femur and popliteal artery laceration, for which the limb could not be salvaged...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28738161/belted-driver-fatalities-time-of-death-and-risk-by-injury-severity
#7
David C Viano, Chantal S Parenteau
PURPOSE: This is a descriptive study of the fatality risk by injury severity and time of death for lap-shoulder-belted drivers without ejection in modern vehicles. It also determined the body region for severe injuries experienced by belted drivers using the most recent federal crash data. METHODS: 1997-2015 NASS-CDS data were evaluated for fatally injured lap-shoulder-belted drivers without ejection in light vehicles of 1997+ model year (MY). The severity of injuries sustained by belted drivers was assessed by the Maximum Abbreviated Injury Scale (MAIS) and individual injuries by Abbreviated Injury Scale (AIS) and body region...
July 24, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28692920/the-effect-of-motorcycle-helmet-fit-on-estimating-head-impact-kinematics-from-residual-liner-crush
#8
Stephanie J Bonin, John C Gardiner, Arzu Onar-Thomas, Shihab S Asfour, Gunter P Siegmund
Proper helmet fit is important for optimizing head protection during an impact, yet many motorcyclists wear helmets that do not properly fit their heads. The goals of this study are i) to quantify how a mismatch in headform size and motorcycle helmet size affects headform peak acceleration and head injury criteria (HIC), and ii) to determine if peak acceleration, HIC, and impact speed can be estimated from the foam liner's maximum residual crush depth or residual crush volume. Shorty-style helmets (4 sizes of a single model) were tested on instrumented headforms (4 sizes) during linear impacts between 2...
July 10, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28641322/scuba-diving-and-otology-a-systematic-review-with-recommendations-on-diagnosis-treatment-and-post-operative-care
#9
REVIEW
Devon M Livingstone, Kristine A Smith, Beth Lange
Scuba diving is a popular recreational and professional activity with inherent risks. Complications related to barotrauma and decompression illness can pose significant morbidity to a diver's hearing and balance systems. The majority of dive-related injuries affect the head and neck, particularly the outer, middle and inner ear. Given the high incidence of otologic complications from diving, an evidence-based approach to the diagnosis and treatment of otic pathology is a necessity. We performed a systematic and comprehensive literature review including the pathophysiology, diagnosis, and treatment of otologic pathology related to diving...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28566813/kickboxing-review-anthropometric-psychophysiological-and-activity-profiles-and-injury-epidemiology
#10
REVIEW
M Slimani, H Chaabene, B Miarka, E Franchini, K Chamari, F Cheour
Kickboxing is one of the modern combat sports. The psychophysiological demands of a kickboxing competition require athletes to achieve high thresholds of several aspects of physical fitness. The aim of the current review is to critically analyse and appraise the kickboxer's anthropometric, physiological, physical and psychological attributes with the activity profile and injury epidemiology in order to provide practical recommendations for training as well as new areas of scientific research. The available information shows that both amateur and elite-level male kickboxers are characterized by a higher proportion of mesomorphy with a well-developed muscle mass and low body fat percentage...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28527191/understanding-how-a-sport-helmet-protects-the-head-from-closed-injury-by-virtual-impact%C3%A2-tests
#11
Yunhua Luo, Zhaoyang Liang
Understanding how a helmet protects the head, especially the soft brain tissues, is the prerequisite for improving helmet design. Intracranial pressure and stresses/strains in the brain tissues are the direct indicators of traumatic brain injury and they can be used to measure helmet performance. In this study, the effects of helmet design parameters such as the helmet shell stiffness, liner compliance and thickness on the brain injury indicators were investigated by virtual impact tests. A finite element head model (FEHM) was first constructed from medical images; a personally-fitted helmet made of composite material and foam was virtually prototyped using geometric information extracted from the FEHM; a helmet-head finite element model was then assembled...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28489627/radial-head-ingrowth-anatomic-implant-versus-smooth-stem-monoblock-implant-in-acute-terrible-triad-injury-a-prospective-comparative-study
#12
David Rodriguez-Quintana, David Beaton Comulada, Natalie Rodriguez-Quintana, Francisco Lopez-Gonzalez
OBJECTIVE: This study aimed to compare clinical outcomes and radiographic findings between patients who received 2 different implants (smooth-stemmed modular implant or an anatomic press-fit implant) on patients with acute terrible triad injuries. DESIGN: Prospective cohort. SETTING: Level II Trauma center, University hospital. PATIENTS/PARTICIPANTS: Thirty-four patients with an isolated terrible triad injury were divided into 2 study groups (n = 17 each) with different sets of radial head implants and followed for 2 years...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28479568/portable-qeeg-and-hd-tcs-device-for-point-of-injury-traumatic-brain-injury-diagnostics
#13
Frode Strisland, Jon Vedum, Anders Liverud, Steffen Dalgard, Tomas Brødreskift, Bruno Albert, Alexandre Noyvirt, Rossitza Setchi, Karl Vene, Henrik Herranen, Maarjus Kirs, Andrea Antal, Klaus Schellhorn, Haldor Sjaaheim
Mild Traumatic Brain Injury (mTBI) can cause prolonged or permanent injuries if left undetected and ignored. It is therefore of great interest to lower the threshold for diagnosis of individuals with mTBI injury. We report on the development of a prototype of a portable quantified EEG (qEEG) system intended for in-the-field mTBI diagnostics. The 32-electrode system is fully battery driven, is interfaced with a control unit being part of a telemedicine care system. Electrode montage is a central problem effectively challenging measurements outside clinical environments...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28471917/radial-neck-dilatory-remodeling-after-radial-head-arthroplasty-with-an-uncemented-press-fit-fully-chemically-etched-stem-design
#14
Matthew P Sullivan, Reza Firoozabadi, Stephen A Kennedy, Julie Agel, Eric Magnusson, Brett Schiffman, Matthew Folchert, Daphne Beingessner
OBJECTIVES: To compare the radiographic outcomes of 2 widely used side loading, press fit, RHA implants used to reconstruct complex elbow trauma. DESIGN: Retrospective cohort study. SETTING: Level-1 Academic trauma center. PARTICIPANTS: Patients undergoing RHA. INTERVENTION: Cohort 1 received Synthes Radial Head Prosthesis. Cohort 2 received Biomet ExploR Radial Head Replacement. MAIN OUTCOME MEASUREMENTS: Radial neck dilatory remodeling...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28464753/a-radial-head-prosthesis-appears-to-be-unnecessary-in-mason-iv-fracture-dislocation
#15
Jens Nestorson, Per-Olof Josefsson, Lars Adolfsson
Background and purpose - Previous reports on elbow injuries with concomitant comminute radial head fracture are difficult to interpret, since they include an array of different soft-tissue and bony injuries around the elbow. We focused on Mason-IV fracture dislocations of the elbow and retrospectively reviewed 2 treatment options: radial head resection or replacement with a radial head arthroplasty, both in combination with lateral ligament repair. Patients and methods - In Linköping, 18 consecutive patients with Mason-IV fracture dislocation and with a median age of 56 (19-79) years were treated with a radial head arthroplasty...
June 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28436738/brainstem-injury-in-motor-vehicle-crashes
#16
David C Viano, Chantal S Parenteau
OBJECTIVE: This is a descriptive study of the frequency and risk for brainstem injury by crash type, belt use, and crash severity (delta-V). NASS-CDS electronic cases were reviewed to see whether the transition from vehicles without advanced airbags and seat belts and side airbags and curtains to vehicles with the safety technologies has influenced the risk for brainstem injury. METHODS: 1994-2013 NASS-CDS was analyzed to determine the number of brainstem injuries in nonejected adults (15+ years old) in vehicle crashes...
October 3, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28413696/prevalence-of-potential-sports-associated-risk-factors-in-swiss-amyotrophic-lateral-sclerosis-patients
#17
Nina Feddermann-Demont, Astrid Junge, Konrad P Weber, Michael Weller, Jiří Dvořák, Alexander A Tarnutzer
OBJECTIVES: Amyotrophic lateral sclerosis (ALS) has been reported to occur with increased incidence amongst physically active people. The role of extrinsic risk factors as physical activity, head trauma and drug/pesticide-exposure in the pathophysiology of ALS and especially in the context of practising sports remains controversial. MATERIALS AND METHODS: We retrospectively studied exposure to extrinsic factors in 92 ALS patients in the presymptomatic stage. Metabolic equivalents (METs) were calculated and the association of physical activity, drug intake, head trauma and participation in specific sports (football [soccer], ice hockey) with age at symptom-onset was evaluated...
April 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28292694/asb-clinical-biomechanics-award-winner-2016-assessment-of-gaze-stability-within-24-48hours-post-concussion
#18
Nicholas G Murray, Nathan R D'Amico, Douglas Powell, Megan E Mormile, Katelyn E Grimes, Barry A Munkasy, Russell K Gore, Rebecca J Reed-Jones
BACKGROUND: Approximately 90% of athletes with concussion experience a certain degree of visual system dysfunction immediately post-concussion. Of these abnormalities, gaze stability deficits are denoted as among the most common. Little research quantitatively explores these variables post-concussion. As such, the purpose of this study was to investigate and compare gaze stability between a control group of healthy non-injured athletes and a group of athletes with concussions 24-48hours post-injury...
May 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28238481/attitudes-and-counseling-practices-of-pediatricians-regarding-youth-sports-participation-and-concussion-risks
#19
Michael Fishman, Eleanor Taranto, Meryl Perlman, Kyran Quinlan, Holly J Benjamin, Lainie Friedman Ross
OBJECTIVE: To examine attitudes and practices of pediatricians toward sports-related head trauma and youth participation in tackle football and ice hockey. STUDY DESIGN: A respondent-anonymous electronic survey was distributed 3 times to members of the American Academy of Pediatrics Section of Bioethics, Council on Injury, Violence, and Poison Prevention, and Council on Sports Medicine and Fitness. RESULTS: Of 791 eligible pediatricians, 227 (29%) responded...
May 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28212955/health-state-preference-weights-for-the-glasgow-outcome-scale-following-traumatic-brain-injury-a-systematic-review-and-mapping-study
#20
REVIEW
Gordon Ward Fuller, Monica Hernandez, David Pallot, Fiona Lecky, Mathew Stevenson, Belinda Gabbe
BACKGROUND: Valid and relevant estimates of health state preference weights (HSPWs) for Glasgow Outcome Scale (GOS) categories are a key input of economic models evaluating treatments for traumatic brain injury (TBI). OBJECTIVES: To characterize existing HSPW estimates, and model the EuroQol five-dimensional questionnaire (EQ-5D) from the GOS, to inform parameterization of future economic models. METHODS: A systematic review of HSPWs for GOS categories following TBI was conducted using a highly sensitive search strategy implemented in an extensive range of information sources between 1975 and 2016...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
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