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https://www.readbyqxmd.com/read/29913815/distribution-of-concussion-related-symptoms-after-whiplash-injury-in-risk-strata
#1
Helge Kasch, Troels S Jensen
Background/aims The presence and severity of concussion related symptoms after acute whiplash injury are debatable. In this study we examine the distribution and development of the burden of concussion related symptoms in whiplash patients. Methods Consecutively 141 acute whiplash patients and 40 ankle injured controls were recruited from emergency units and were examined after 1 week, 1, 3, 6, 12 months obtaining neck/head VAS score, number-of-non-painful complaints, epidemiological, social, psychological data and neurological examination, active neck mobility, and furthermore muscle tenderness and pain response, strength and duration of neck muscles...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29874782/trend-of-age-adjusted-rates-of-pediatric-traumatic-brain-injury-in-u-s-emergency-departments-from-2006-to-2013
#2
Cheng Chen, Jin Peng, Eric A Sribnick, Motao Zhu, Henry Xiang
Objective : To use the 2006⁻2013 Nationwide Emergency Department Sample (NEDS) database to describe trends of age-adjusted rates of pediatric traumatic brain injuries (TBI) treated in U.S. emergency departments. Methods : Time trend analysis was conducted on age-adjusted rates among children ≤17 years in the U.S. The annual percent change (APC) was calculated by fitting a least squares regression to the logarithm of the rates, using the calendar year as an independent variable. Results : In males, motor-vehicle-related trauma (APC -2...
June 5, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29709826/preliminary-female-cervical-spine-injury-risk-curves-from-pmhs-tests
#3
Narayan Yoganandan, Sajal Chirvi, Frank A Pintar, Jamie L Baisden, Anjishnu Banerjee
The human cervical spine sustains compressive loading in automotive events and military operational activities, and the contact and noncontact loading are the two primary impact modes. Biomechanical and anatomical studies have shown differences between male and female cervical spines. Studies have been conducted to determine the human tolerance in terms of forces from postmortem human subject (PMHS) specimens from male and female spines; however, parametric risk curves specific to female spines are not available from contact loading to the head-neck complex under the axial mode...
July 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29699719/three-dimensional-biomimetic-head-model-as-a-platform-for-thermal-testing-of-protective-goggles-for-prevention-of-eye-injuries
#4
Rinat Friedman, Ayelet Haimy, Amit Gefen, Yoram Epstein
BACKGROUND: The rate of eye injury is steadily rising during military conflicts of the century, with thermal burns being the most common type of injury to the eyes. The present study focuses on assessing the heat resistance properties of military protective goggles using three-dimensional (3D) finite element head modeling fitted with the tested protective gear. METHODS: A computational thermal impact was applied onto a 3D biomimetic human head model fitted with two goggle models - sports (Type 1) and square (Type 2)...
April 22, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29683858/the-effect-of-booster-seat-use-on-pediatric-injuries-in-motor-vehicle-frontal-crashes
#5
Sean Caskey, Joshua Hammond, Jeffery Peck, Matthew Sardelli, Theresa Atkinson
BACKGROUND: Motor vehicle crashes are a significant source of pediatric mortality and morbidity. Studies indicate that booster seats significantly improve seat belt fit for children who have not attained a height of 145 cm (4' 9"). This study examined injuries occurring in booster age children up to age 12, as the majority of children do not attain 145 cm until this age. The purpose of the study was to identify differences in injuries due to the type of restraint used, with attention to musculoskeletal injuries...
April 20, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29681579/a-rat-model-for-pituitary-stalk-electric-lesion-induced-central-diabetes-insipidus-application-of-3d-printing-and-further-outcome-assessments
#6
Zhanpeng Feng, Yichao Ou, Mingfeng Zhou, Guangsen Wu, Linzi Ma, Yun Bao, Binghui Qiu, Songtao Qi
A stable and reproducible rat injury model is not currently available to study central diabetes insipidus (CDI) and the neurohypophyseal system. In addition, a system is needed to assess the severity of CDI and measure the accompanying neurobiological alterations. In the present study, a 3D-printed lesion knife with a curved head was designed to fit into the stereotaxic instrument. The neuro-anatomical features of the brain injury were determined by in vivo magnetic resonance imaging (MRI) and arginine vasopressin (AVP) immunostaining on brain sections...
April 20, 2018: Experimental Animals
https://www.readbyqxmd.com/read/29614364/moderate-traumatic-brain-injury-clinical-characteristics-and-a-prognostic-model-of-12-month-outcome
#7
Cathrine Elisabeth Einarsen, Joukje van der Naalt, Bram Jacobs, Turid Follestad, Kent Gøran Moen, Anne Vik, Asta Kristine Håberg, Toril Skandsen
BACKGROUND: Patients with moderate traumatic brain injury (TBI) often are studied together with patients with severe TBI, even though the expected outcome of the former is better. Therefore, we aimed to describe patient characteristics and 12-month outcomes, and to develop a prognostic model based on admission data, specifically for patients with moderate TBI. METHODS: Patients with Glasgow Coma Scale scores of 9-13 and age ≥16 years were prospectively enrolled in 2 level I trauma centers in Europe...
June 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29473832/motocross-injuries-in-pediatric-and-adolescent-patients
#8
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
#9
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...
March 29, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29402152/a-signal-detection-item-response-theory-model-for-evaluating-neuropsychological-measures
#10
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
#11
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...
July 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29043082/effect-of-sex-and-age-on-traumatic-brain-injury-a-geographical-comparative-study
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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...
September 2017: Accident; Analysis and Prevention
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