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Head gear

Thierry Ellena, Sebastian Skals, Aleksandar Subic, Helmy Mustafa, Toh Yen Pang
Traditional 1D anthropometric data have been the primary source of information used by ergonomists for the dimensioning of head and facial gear. Although these data are simple to use and understand, they only provide univariate measures of key dimensions. 3D anthropometric data, however, describe the complete shape characteristics of the head surface, but are complicated to interpret due to the abundance of information they contain. Consequently, current headform standards based on 1D measurements may not adequately represent the actual head shape variations of the intended user groups...
March 2017: Applied Ergonomics
Paulo Adão de Medeiros, Artur Rodrigues Fortunato, Adriana Aparecida da Fonseca Viscardi, Fabiana Flores Sperandio, Giovana Zarpellon Mazo
The demand for long-stay care institutions for the elderly (ILPIs) is increasing and it is relevant for public health systems to discuss the process of assessing the health status of its residents. The study aimed to identify measurement tools built specifically for the management and care of elderly residents in long-stay care facilities. A systematic review was conducted following PRISMA recommendations in Medline and CINAHL databases since their creation to May 2013 using the Medical Subject Headings terms suitable for the search...
November 2016: Ciência & Saúde Coletiva
J Mwai, S Njenga, M Barasa
BACKGROUND: Schistosomiasis remains a major public health problem in Kenya. Inadequate knowledge, attitudes and practices (KAP) on causative factors are some of the critical factors for the increased prevalence. The study assessed KAP on the control and prevention of schistosomiasis infection in Mwea division, Kirinyaga County-Kenya. Four hundred and sixty five house-hold heads were enrolled in this study by use of simple random sampling technique. METHODS: The study employed an analytical descriptive cross sectional design utilizing both quantitative and qualitative data collection methods...
2016: BMC Public Health
Steven F Shannon, Nicholas M Hernandez, Stephen A Sems, Annalise N Larson, Todd A Milbrandt
OBJECTIVES: The purpose of this study was to evaluate the type and severity of orthopaedic and associated injuries for snowmobile, All-terrain vehicles (ATV) and motorized dirtbike accidents in a pediatric patient population. METHODS: A total of 758 patients who presented following either snowmobile (n=87), ATV-related (n=308) or dirtbike (n=363)-related trauma at our institution between 1996 and 2015 were retrospectively reviewed. RESULTS: A total of 441 axial and appendicular fractures occurred requiring 533 procedures...
July 20, 2016: Journal of Pediatric Orthopedics
Vanessa Lana
Instituto de Ginecologia (Institute of Gynecology), in Rio de Janeiro, headed by Dr. Arnaldo de Moraes, was the first institution in Brazil to introduce and divulge medical techniques for the control of cervical cancer in the mid-1900s. It became a benchmark for actions geared towards the disease at the time, organizing a specific diagnostic procedure that set Brazilian medicine apart in the field, in which it remained a leader until the 1970s. The aim of this text is to discuss the organization and running of the institution from two perspectives: its role in enhancing the position of gynecology as a medical specialty, and its role in spreading a standard practice for the control of cervical cancer...
July 2016: História, Ciências, Saúde—Manguinhos
Allahyar Geramy, Domingo Martin, Joseph Bouserhal, Elham Sadat Emadian Razavi, Mehdi Hassanpour
OBJECTIVE: To compare the influence of outer bow length difference and unilateral outer bow expansion on the 'asymmetric effect' of the headgear. METHODS: Twelve 3D finite element models of a headgear with two tubes were designed, which were similar except for the outer bow length or the degree of unilateral expansion in Solid-Works 2011. A 3N force was applied to the outer bow ends in ANSYS Workbench 12.1 and the distalising, lateral forces to molars, moments and the energy of the system were evaluated...
June 2016: Chinese Journal of Dental Research
Shafiul Alam, Rabiul Alam, Manirul Islam, Amin Salek
BACKGROUND: Rana Plaza building collapse is the worst industrial disaster of Bangladesh so far. The 9-storied structure collapsed suddenly on April 24, 2013, with more than 4000 people inside. Bangladesh Armed Forces played a key role in the massive rescue operations. METHODS: We conducted a cross-sectional study with 423 victims who were treated at a Combined Military Hospital to review the pattern of injuries and management provided. RESULTS: Middle-aged (35±12...
May 16, 2016: Disaster Medicine and Public Health Preparedness
Cameron C Sheehan, Meredith Lind, Justin B Mahida, Garth Essig, Charles A Elmaraghy
PURPOSE: To compare outcomes in pediatric patients suffering forceful head impact during recreational vehicle use to patients with forceful head impact from other mechanisms. METHODS: Retrospective cohort study of all patients 3-18 years old who suffered forceful head impact (any traumatic mechanism strong enough to result in a face or skull fracture) in our institutional trauma registry between January 2011 and September 2013. RESULTS: Out of 252 events involving forceful head impact, 64 events were a result of riding a recreational vehicle...
May 2016: International Journal of Pediatric Otorhinolaryngology
John K Yue, Ethan A Winkler, John F Burke, Andrew K Chan, Sanjay S Dhall, Mitchel S Berger, Geoffrey T Manley, Phiroz E Tarapore
OBJECTIVE Traumatic brain injury (TBI) in children is a significant public health concern estimated to result in over 500,000 emergency department (ED) visits and more than 60,000 hospitalizations in the United States annually. Sports activities are one important mechanism leading to pediatric TBI. In this study, the authors characterize the demographics of sports-related TBI in the pediatric population and identify predictors of prolonged hospitalization and of increased morbidity and mortality rates. METHODS Utilizing the National Sample Program of the National Trauma Data Bank (NTDB), the authors retrospectively analyzed sports-related TBI data from children (age 0-17 years) across 5 sports categories: fall or interpersonal contact (FIC), roller sports, skiing/snowboarding, equestrian sports, and aquatic sports...
April 2016: Neurosurgical Focus
Simon Kotlyar
OBJECTIVE: To describe the epidemiology of injuries sustained in cyclists and compare the injury patterns in road vs trail biking accidents. METHODS: A retrospective chart review was performed of injured road and trail cyclists presenting to a rural mountain resort-based medical center during a 3-year study period. RESULTS: Of 304 patients, 70% were male, with 67% sustaining trail injuries and 33% sustaining road cycling injuries. There was a bimodal age distribution...
June 2016: Wilderness & Environmental Medicine
Yariv Goldstein, Oleg Dolkart, Ehud Kaufman, Eyal Amar, Zachary T Sharfman, Ehud Rath, Gavriel Mozes, Eran Maman
BACKGROUND: The popularity of bicycle riding for recreation, exercise and transportation has grown enormously in recent years, which has led to an increased incidence of bicycle-related injuries. While these injuries involve mainly the musculoskeletal system, data on shoulder-specific injuries incurred while bike riding are lacking. Classifying these shoulder injuries may provide insight and assistance in the creation and implementation of effective protective gear and measures. OBJECTIVES: To investigate the types and mechanisms of shoulder injuries among cyclists...
January 2016: Israel Medical Association Journal: IMAJ
Louis H Kamulegeya, Mark Kizito, Rosemary Nassali, Shiela Bagayana, Alex E Elobu
BACKGROUND: Trauma is an increasingly important cause of disease globally. Half of this trauma is from road traffic injuries with motorcycles contributing 21-58%. Low protective gear use, lack of regulation and weak traffic law enforcement contribute to unsafe nature of commercial motorcycles also known as "boda boda" in Uganda. OBJECTIVES: To determine the prevalence of protective gear use, the occurrence of head injury and the relationship between the two among commercial motorcycle riders in Kampala...
September 2015: African Health Sciences
Lavinia Schuler-Faccini, Erlane M Ribeiro, Ian M L Feitosa, Dafne D G Horovitz, Denise P Cavalcanti, André Pessoa, Maria Juliana R Doriqui, Joao Ivanildo Neri, Joao Monteiro de Pina Neto, Hector Y C Wanderley, Mirlene Cernach, Antonette S El-Husny, Marcos V S Pone, Cassio L C Serao, Maria Teresa V Sanseverino
In early 2015, an outbreak of Zika virus, a flavivirus transmitted by Aedes mosquitoes, was identified in northeast Brazil, an area where dengue virus was also circulating. By September, reports of an increase in the number of infants born with microcephaly in Zika virus-affected areas began to emerge, and Zika virus RNA was identified in the amniotic fluid of two women whose fetuses had been found to have microcephaly by prenatal ultrasound. The Brazil Ministry of Health (MoH) established a task force to investigate the possible association of microcephaly with Zika virus infection during pregnancy and a registry for incident microcephaly cases (head circumference ≥2 standard deviations [SD] below the mean for sex and gestational age at birth) and pregnancy outcomes among women suspected to have had Zika virus infection during pregnancy...
January 29, 2016: MMWR. Morbidity and Mortality Weekly Report
Leiming Gao, Duncan Dowson, Robert W Hewson
The lubrication regime in which artificial hip joints operate adds complexity to the prediction of wear, as the joint operates in both the full fluid film regime-specifically the elastohydrodynamic lubrication (EHL) regime-and the mixed or boundary lubrication regimes, where contact between the bearing surfaces results in wear. In this work, a wear model is developed which considers lubrication for the first time via a transient EHL model of metal-on-metal hip replacements. This is a framework to investigate how the change in film thickness influences the wear, which is important to further investigation of the complex wear procedure, including tribocorrosion, in the lubricated hip implants...
November 11, 2015: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
Anand Ramchandra Rathi, N Retna Kumari, Kannan Vadakkepuriyal, Madhu Santhkumar
Class III malocclusion is very common malocclusion and can be due to maxillary retrusion, mandibular prognathism, or combination. Ellis and McNamara found a combination of maxillary retrusion and mandibular protrusion to be the most common skeletal relationship (30%). The treatment should be carried out as early as possible for permitting normal growth of the skeletal bases. Reverse pull head gear combined with maxillary expansion can effectively correct skeletal Class III malocclusion due to maxillary deficiency in growing patient...
October 2015: Journal of the Indian Society of Pedodontics and Preventive Dentistry
Liranr Barzilai, Moti Harats, Itay Wiser, Oren Weissman, Noam Domniz, Elon Glassberg, Demetris Stavrou, Issac Zilinsky, Eyal Winkler, Josef Hiak
OBJECTIVE: Low-intensity conflict is characterized in asymmetrical conventional and nonconventional warfare. The use of improvised explosive devices (IEDs) in the Israeli-Palestinian conflict has evolved over the past few decades to include the addition of diesel, biological agents, shrapnel, and nitroglycerin to the explosive content. Due to its nature and mechanism, an IED injury might present as a multidimensional injury, impairing numerous systems and organs. MATERIALS AND METHODS: The authors present a case series of 5 Israeli Defense Forces (IDF) soldiers wounded by an IED presenting a typical and similar pattern of burns to their faces, trunks, and limbs, in addition to ocular, ear/nose/throat, and orthopedic injuries...
August 2015: Wounds: a Compendium of Clinical Research and Practice
Daniel Hoops
The goal of fixation is to rapidly and uniformly preserve tissue in a life-like state. Perfusion achieves optimal fixation by pumping fixative directly through an animal's circulatory system. Standard perfusion techniques were developed primarily for application in mammals, which are traditional neuroscience research models. Increasingly, other vertebrate groups are also being used in neuroscience. Following mammalian perfusion protocols for non-mammalian vertebrates often results in failed perfusions. Here, I present a modified perfusion protocol suitable for lizards...
2015: MethodsX
Ryan Brewster, Wenya Linda Bi, Timothy R Smith, William B Gormley, Ian F Dunn, Edward R Laws
Baseball maintains one of the highest impact injury rates in all athletics. A principal causative factor is the "beanball," referring to a pitch thrown directly at a batter's head. Frequent morbidities elicited demand for the development of protective gear development in the 20th century. In this setting, Dr. Walter Dandy was commissioned to design a "protective cap" in 1941. His invention became widely adopted by professional baseball and inspired subsequent generations of batting helmets. As a baseball aficionado since his youth, Walter Dandy identified a natural partnership between baseball and medical practice for the reduction of beaning-related brain injuries...
July 2015: Neurosurgical Focus
Marta Sans Merce, Amine M Korchi, Lisa Kobzeva, Jérôme Damet, Gorislav Erceg, Ana Marcos Gonzalez, Karl-Olof Lovblad, Vitor Mendes Pereira
BACKGROUND: Protection of the head and eyes of the neurointerventional radiologist is a growing concern, especially after recent reports on the incidence of brain cancer among these personnel, and the revision of dose limits to the eye lens. The goal of this study was to determine typical occupational dose levels and to evaluate the efficiency of non-routine radiation protective gear (protective eyewear and cap). Experimental correlations between the dosimetric records of each measurement point and kerma area product (KAP), and between whole body doses and eye lens doses were investigated...
July 2016: Journal of Neurointerventional Surgery
Martin Burtscher, Gerhard Ruedl
During the past five decades recreational alpine skiing has become increasingly safer. The numerous annual media reports on ski injuries have to be interpreted on the basis of the tremendous numbers of skiers. These favourable changes seem primarily be due to the introduction of short carving skis, more rigid and comfortable ski boots, the use of protective gear like helmets, and the optimized preparation of ski slopes. The associated health benefits from skiing, especially arising from its association with a healthier life style, and possibly also from effects related to hypoxia preconditioning and increasing subjective vitality by natural elements clearly outweigh the health hazards...
June 2015: International Journal of Environmental Research and Public Health
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