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Head injury AND fit

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https://www.readbyqxmd.com/read/29614364/moderate-traumatic-brain-injury-clinical-characteristics-and-a-prognostic-model-of-12-month-outcome
#1
Cathrine Elisabeth Einarsen, Joukje van der Naalt, Bram Jacobs, Turid Follestad, Kent Gøran Moen, Anne Vik, Asta Kristine Haberg, Toril Skandsen
BACKGROUND: Patients with moderate traumatic brain injury (TBI) are often studied together with patients with severe TBI, even though expected outcome is better. Therefore, we aimed to describe patient characteristics and 12-month outcome, and to develop a prognostic model based on admission data, specifically for patients with moderate TBI. METHODS: Patients with Glasgow Coma Scale score of 9-13 and age ≥16 years were prospectively enrolled in two level I trauma centers in Europe...
March 31, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29473832/motocross-injuries-in-pediatric-and-adolescent-patients
#2
Amy L McIntosh, Christy M Christophersen
Motocross is a popular sport in which participants ride a two-wheeled, motorized vehicle on an uneven 2-km track with natural or human-made obstacles. Participants compete at high rates of speed, and children as young as age 4 years compete in age-appropriate groups. Motocross is recognized as a strenuous sport with a high accident rate. Most injuries are musculoskeletal in nature. The most commonly injured areas are the forearm, clavicle, femur, and tibia. Many injuries require surgical treatment. Some patients sustain head trauma with loss of consciousness...
March 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29409390/survival-analysis-based-human-head-injury-risk-curves-focus-on-skull-fracture
#3
Narayan Yoganandan, Anjishnu Banerjee
Head contact-induced loads can result in skull fractures and/or brain injuries. While skull fractures have been produced from post mortem human cadaver surrogates (PMHS), injury probability curves describing their structural responses have not been developed. The objectives of this study were to develop skull fracture-based injury risk curves and describe human tolerances using survival analysis. Published PMHS data in this journal were used. Mean age, stature, and weight of 12 PMHS were: 66.6±2.3 years, 1...
February 6, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29402152/a-signal-detection-item-response-theory-model-for-evaluating-neuropsychological-measures
#4
Michael L Thomas, Gregory G Brown, Ruben C Gur, Tyler M Moore, Virginie M Patt, Victoria B Risbrough, Dewleen G Baker
INTRODUCTION: Models from signal detection theory are commonly used to score neuropsychological test data, especially tests of recognition memory. Here we show that certain item response theory models can be formulated as signal detection theory models, thus linking two complementary but distinct methodologies. We then use the approach to evaluate the validity (construct representation) of commonly used research measures, demonstrate the impact of conditional error on neuropsychological outcomes, and evaluate measurement bias...
February 5, 2018: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/29099672/rotational-and-linear-head-accelerations-from-taekwondo-kicks-and-punches
#5
Gabriel P Fife, David M O'sullivan, Sae Yong Lee
The purpose was to compare rotational and linear head accelerations as a result of taekwondo kicks and punches. Taekwondo athletes executed five repetitions of the turning kick, spinning hook kick, hook punch, straight punch, and jab punch to a Hybrid III Crash Test Dummy head-neck complex. A tri-axial accelerometer and an angular rate sensor were mounted inside the Hybrid III head to measure resultant linear (RLA) and rotational accelerations. The Hybrid III was fixed to a height-adjustable frame and fitted with protective taekwondo headgear...
November 3, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29043082/effect-of-sex-and-age-on-traumatic-brain-injury-a-geographical-comparative-study
#6
Raaj Kishore Biswas, Enamul Kabir, Rachel King
BACKGROUND: Traumatic brain injury (TBI) is a much researched topic in medical health, which requires additional studies to understand various effects of demographic and geographic factors that can assist in developing the most effective treatments. Thousands of people of different ages are suffering from lifelong disabilities, either mild or severe, from TBI and the number is increasing. This study aims to increase our understanding of the effect of sex and age by applying five different statistical methods to evaluate the effect of these covariates on two independent TBI data sets representing patients from different geographical cohorts...
2017: Archives of Public Health, Archives Belges de Santé Publique
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
#7
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
#8
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...
November 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
#9
MULTICENTER STUDY
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...
December 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
#10
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
#11
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
#12
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
#13
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...
February 17, 2018: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28692920/the-effect-of-motorcycle-helmet-fit-on-estimating-head-impact-kinematics-from-residual-liner-crush
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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