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https://www.readbyqxmd.com/read/29792240/posttraumatic-stress-depression-and-coping-following-the-2015-nepal-earthquake-a-study-on-adolescents
#1
Asmita Sharma, Nilamadhab Kar
OBJECTIVE: The study aimed to gather data on posttraumatic stress and depression in adolescents following the 2015 Nepal earthquake and explore the adolescents' coping strategies. METHODS: In a questionnaire-based, cross-sectional study about 1 year after the earthquake, adolescents in two districts with different degrees of impact were evaluated for disaster experience, coping strategies, and symptoms of posttraumatic stress and depression measured with the Child Posttraumatic Stress Scale and the Depression Self Rating Scale...
May 24, 2018: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/29792236/evaluation-of-gamma-radiation-induced-biochemical-changes-in-skin-for-dose-assesment-a-study-on-small-experimental-animals
#2
Sandeep Kumar Soni, Mitra Basu, Priyanka Agrawal, Aseem Bhatnagar, Neelam Chhillar
OBJECTIVE: Researchers have been evaluating several approaches to assess acute radiation injury/toxicity markers owing to radiation exposure. Keeping in mind this background, we assumed that whole-body irradiation in single fraction in graded doses can affect the antioxidant profile in skin that could be used as an acute radiation injury/toxicity marker. METHODS: Sprague-Dawley rats were treated with CO-60 gamma radiation (dose: 1-5 Gy; dose rate: 0.85 Gy/minute)...
May 24, 2018: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/29791917/hybrid-diffuse-reflectance-spectroscopy-non-erythemal-in-vivo-testing-of-sun-protection-factor
#3
Mathias Rohr, Nikolai Ernst, Andreas Schrader
BACKGROUND/AIMS: In order to define a label sun protection factor (SPF) of topically applied sunscreens, in vivo test methods like ISO 24444, FDA guideline, or the Australian standard are used worldwide. The basis of all these methods is provoking an erythemal skin reaction by UV irradiation to find the level of unprotected and protected minimal erythemal doses (MED). In vitro methods replacing the human skin by any kind of non-human material are still not available. Thus, offering the new hybrid diffuse reflectance spectroscopy (HDRS) technique that is able to stay on an in vivo level for SPF testing but meanwhile neglecting the UV-dose-related erythemal skin reaction is a perfect combination to take care of sun protection and any ethical concerns in SPF testing nowadays...
May 23, 2018: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/29791597/retraction-notice-for-therapeutic-effect-and-potential-mechanism-of-pioglitazone-in-rats-with-severe-acute-pancreatitis-braz-j-med-biol-res-2018-51-2-e6812
#4
Wang Hai, Xu Ping, Yang Zhi-Wen, Zhang Chun
No abstract text is available yet for this article.
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29790487/-1-4-diaminobenzene-and-diphenylamine-induced-severe-methemoglobinaemia-treated-by-hyperbaric-oxygen-therapy-case-report
#5
Jacek Piechocki, Tomasz Janus, Robert Gałązkowski
Methemoglobin is an oxidized form of hemoglobin that is not capable of carrying oxygen. Exposure to exogenous oxidizing agents can cause severe methemoglobinemia and subsequent hypoxia. This article presents the rare case of a 23-year old patient with methemoglobinemia of 54.2% of total hemoglobin, induced by workplace exposure to 1,4-diaminobenzene and diphenylamine. Following the hyperbaric oxygen therapy the patient was discharged in good general condition and referred to a district hospital for observation...
May 22, 2018: Medycyna Pracy
https://www.readbyqxmd.com/read/29790486/-simplicity-or-complexity-of-the-radiopharmaceutical-production-process-in-the-light-of-optimization-of-radiation-protection-of-staff-sup-99m-sup-tc-vs-sup-18-sup-f
#6
Małgorzata Wrzesień
BACKGROUND: A radiopharmaceutical is a combination of a non-radioactive compound with a radioactive isotope. Two isotopes: technetium- 99m (<sup>99m</sup>Tc) and fluorine-18 (<sup>18</sup>F) are worth mentioning on the rich list of isotopes which have found numerous medical applications. Their similarity is limited only to the diagnostic area of applicability. The type and the energy of emitted radiation, the half-life and, in particular, the production method demonstrate their diversity...
May 22, 2018: Medycyna Pracy
https://www.readbyqxmd.com/read/29790476/-erratum-to-translation-and-validation-of-the-four-scale-for-children-and-its-use-as-outcome-predictor-a-pilot-study
#7
Sofia Simões Ferreira, Daniel Meireles, Alexandra Pinto, Francisco Abecasis
The article "Translation and Validation of the FOUR Scale for Children and its Use as Outcome Predictor: A Pilot Study", published by Acta Médica Portuguesa on September 2017 [Acta Med Port 2017 Sep;30(9):599-607] exhibited the mistake detailed here below: On page 600, paragrapah 4, where it reads: "(...) only the last two are assessed by the GCS and depth of coma may not be accurately detected.4" It should read: "(…) GCS does not include important indicators for an adequate evaluation of coma severity, that is, it only evaluates the cortical function, not including brainstem function evaluation parameters such as respiratory pattern, pupil size and reflexes, nor eye movements; as such it may not detect the coma depth properly...
March 29, 2018: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/29789244/biopsychosocial-management-of-female-sexual-dysfunction-a-pilot-study-of-patient-perceptions-from-2-multi-disciplinary-clinics
#8
Jordan Rullo, Stephanie S Faubion, Rose Hartzell, Sue Goldstein, Deborah Cohen, Karla Frohmader, Ashley G Winter, Kristin Mara, Darrell Schroeder, Irwin Goldstein
BACKGROUND: Sexual dysfunction is often complex and biopsychosocial. Traditional sexual health care management involves individual providers not in a multi-disciplinary setting. A multi-disciplinary team may consist of a medical provider, pelvic floor physical therapist, and sex therapist. AIM: The aim was to explore the patient perceptions of benefit from management of their sexual dysfunction by a biopsychosocial multi-disciplinary team. METHODS: A survey was e-mailed to women patients seen by multi-disciplinary teams at 2 different settings: San Diego Sexual Medicine or Mayo Clinic Women's Health Clinic during a 27-month period...
May 19, 2018: Sexual Medicine
https://www.readbyqxmd.com/read/29789095/you-re-the-flight-surgeon
#9
(no author information available yet)
Holmes RL. You're the flight surgeon: zika virus infection. Aerosp Med Hum Perform. 2018; 89(6):572-575.
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789091/spinal-stiffness-in-prone-and-upright-postures-during-0-1-8-g-induced-by-parabolic-flight
#10
Jaap Swanenburg, Michael L Meier, Anke Langenfeld, Petra Schweinhardt, B Kim Humphreys
INTRODUCTION: The purpose of this study was to analyze posterior-to-anterior spinal stiffness in Earth, hyper-, and microgravity conditions during both prone and upright postures. CASE REPORT: During parabolic flight, the spinal stiffness of the L3 vertebra of a healthy 37-yr-old man was measured in normal Earth gravity (1.0 g), hypergravity (1.8 g), and microgravity (0.0 g) conditions induced in the prone and upright positions. Differences in spinal stiffness were significant across all three gravity conditions in the prone and upright positions...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789090/the-giant-hand-illusion-experienced-on-a-simulator
#11
Petr Frantis, Antonin Petru
BACKGROUND: This paper discusses a special kind of a sensory illusion-the Giant Hand illusion-that was experienced during an exercise on a flight simulator equipped with a VR headset. In the first part we describe spatial disorientation and the function of the vestibular apparatus during flight and its consequences. In this part, the sensory illusion simulator used for the experiment is mentioned. In the second part we describe the simulator and test flight. In the third part we discuss data retrieved during simulator flights that are important for explaining the Giant Hand illusion...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789089/-gz-exposure-and-spinal-injury-induced-flight-duty-limitations
#12
Tuomas Honkanen, Roope Sovelius, Matti Mäntysaari, Heikki Kyröläinen, Janne Avela, Tuomo K Leino
BACKGROUND: The present study aimed to find out if possible differences in early military flight career +Gz exposure level could predict permanent flight duty limitations (FDL) due to spinal disorders during a pilot's career. METHODS: The study population consisted of 23 pilots flying with Gz limitation (max limitation ranging from +2 Gz to +5 Gz) due to spinal disorders and 50 experienced (+1000 flight hours) symptomless controls flying actively in operative missions in the Finnish Air Force...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789088/the-danger-zone-for-noise-hazards-around-the-black-hawk-helicopter
#13
Heath G Jones, Nathaniel T Greene, Michael R Chen, Cierrah M Azcona, Brandon J Archer, Efrem R Reeves
BACKGROUND: During ground operations, rotary-wing aircraft engines and subsystems produce noise hazards that place airfield personnel at risk for hearing damage. The noise exposure levels outside the aircraft during various operating conditions, and the distances from aircraft at which they drop to safe levels, are not readily available. The current study measured noise levels at various positions around the UH-60 Black Hawk helicopter for three operating conditions typically used when the aircraft is on the ground...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789087/individual-differences-in-adaptability-to-isolated-confined-and-extreme-environments
#14
Paul T Bartone, Gerald P Krueger, Jocelyn V Bartone
INTRODUCTION: Future deep space missions will expose astronauts to more intense stressors than previously encountered. Isolation will be greater and more prolonged, living and work areas more confined, and communications and resupply channels to Earth longer and less reliable. Astronauts will need to function more autonomously, with less guidance and support from Earth. Thus, it is important to select and train astronauts who can adapt and function effectively under extreme and variable conditions...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789086/acute-mild-hypoxic-hypoxia-effects-on-cognitive-and-simulated-aircraft-pilot-performance
#15
Fethi Bouak, Oshin Vartanian, Kevin Hofer, Bob Cheung
BACKGROUND: The effects of acute mild hypoxic hypoxia (HH) and physical activity on physiological measures, signs and symptoms, mood, fatigue, cognition, and performance on a simulated flight task were investigated between 8000 (8K; 2438 m) and 14,000 ft (14K; 4267 m). METHOD: In a hypobaric chamber, 16 military helicopter pilots were randomly exposed to 4 altitudes and 3 physical exertion levels. After each exercise period, participants identified targets on a designated flight path on a desktop simulator and completed a cognitive test battery...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789085/acute-exposure-to-low-to-moderate-carbon-dioxide-levels-and-submariner-decision-making
#16
Christopher D Rodeheffer, Sarah Chabal, John M Clarke, David M Fothergill
BACKGROUND: Submarines routinely operate with higher levels of ambient carbon dioxide (CO2) (i.e., 2000 - 5000 ppm) than what is typically considered normal (i.e., 400 - 600 ppm). Although significant cognitive impairments are rarely reported at these elevated CO2 levels, recent studies using the Strategic Management Simulation (SMS) test have found impairments in decision-making performance during acute CO2 exposure at levels as low as 1000 ppm. This is a potential concern for submarine operations, as personnel regularly make mission-critical decisions that affect the safety and efficiency of the vessel and its crew while exposed to similar levels of CO2...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789084/amplified-pilot-head-vibration-and-the-effects-of-vibration-mitigation-on-neck-muscle-strain
#17
Heather E Wright Beatty, Andrew J Law, J Russell Thomas, Viresh Wickramasinghe
INTRODUCTION: Rotary wing pilot neck strain is increasing in prevalence due to the combined effects of head supported mass (e.g., Night Vision Goggles, head mounted displays) and whole-body vibration. This study examined the physiological responses of pilots during exposure to whole-body vibration (WBV) representative of the National Research Council's Bell 412 helicopter in forward flight. WBV levels were measured and evaluated using the ISO-2631-1-1997 WBV standards. METHODS: Twelve pilots (aged 20-59 yr, 7 of the 12 with 20+ years flight experience) underwent six 15-min vibration trials on a human rated shaker platform...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789083/low-baseline-sympathetic-tone-correlates-to-a-greater-blood-pressure-change-in-the-cold-pressor-test
#18
Marylen Youssef, Azadeh Ghassemi, Catalina Marysol Carvajal Gonczi, Thiffya Arabi Kugathasan, Robert D Kilgour, Peter J Darlington
BACKGROUND: The cold pressor test (CPT) involves acute hand or foot exposure to cold water. CPT hyper-responders have unique traits, including risk of hypertension and a greater vasoconstrictor reserve and g force tolerance compared to hypo-responders. The purpose of this study was to uncover differences in cardiovascular and sympathetic biomarkers between responder types. METHODS: Healthy volunteers (N = 30) submerged one hand into cold water (3.3 ± 0.8°C) for 5 min...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789082/the-differential-effect-of-sustained-operations-on-psychomotor-skills-of-helicopter-pilots
#19
Terry W McMahon, David G Newman
INTRODUCTION: Flying a helicopter is a complex psychomotor skill requiring constant control inputs from pilots. A deterioration in psychomotor performance of a helicopter pilot may be detrimental to operational safety. The aim of this study was to test the hypothesis that psychomotor performance deteriorates over time during sustained operations and that the effect is more pronounced in the feet than the hands. The subjects were helicopter pilots conducting sustained multicrew offshore flight operations in a demanding environment...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789025/tethered-balloon-technology-in-design-solutions-for-rescue-and-relief-team-emergency-communication-services
#20
Saeed Hamood Alsamhi, Mohd Samar Ansari, Ou Ma, Faris Almalki, Sachin Kumar Gupta
The actions taken at the initial times of a disaster are critical. Catastrophe occurs because of terrorist acts or natural hazards which have the potential to disrupt the infrastructure of wireless communication networks. Therefore, essential emergency functions such as search, rescue, and recovery operations during a catastrophic event will be disabled. We propose tethered balloon technology to provide efficient emergency communication services and reduce casualty mortality and morbidity for disaster recovery...
May 23, 2018: Disaster Medicine and Public Health Preparedness
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