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Aerospace Medicine and Human Performance

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https://www.readbyqxmd.com/read/30352659/this-month-in-aerospace-medicine-history
#1
(no author information available yet)
No abstract text is available yet for this article.
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352658/dr-john-a-tamisiea-founding-pioneer-of-the-aerospace-medical-association
#2
Mark R Campbell
No abstract text is available yet for this article.
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352657/erratum
#3
(no author information available yet)
No abstract text is available yet for this article.
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352655/f-a-18-aviator-successfully-returned-to-flight-after-an-in-flight-spontaneous-pneumothorax
#4
Henry DeYoung, Yousef Ahmed, Jami Buckley
BACKGROUND: Spontaneous pneumothorax (PTX) is a diagnostic challenge in aviators given the common occurrence of musculoskeletal pain after flight and notorious underreporting of symptoms of other diseases in this group. CASE REPORT: A 24-yr-old active duty F/A-18 Weapon Systems Officer performed an anti-G straining maneuver (AGSM) in response to a 6.5-g warm-up turn during a training flight at 16,000 ft (4876.8 m) above sea level. He immediately developed right-sided thoracic back pain. The flight was terminated, he landed, and the pain improved...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352654/non-arteritic-anterior-ischemic-optic-neuropathy-in-pilots
#5
Alberto G Distefano, Byron L Lam
BACKGROUND: Non-arteritic anterior ischemic optic neuropathy (NAION) is a common cause of optic neuropathy with the exact pathophysiology unknown. Risk factors include advanced age, small optic nerve head, hypertension, diabetes mellitus, and sleep apnea.6 High altitude is considered another risk factor, although only few cases have been reported. No cases of NAION have been reported to occur during flight. CASE REPORT: A 41-yr-old male pilot presented with vision change while performing high G-force maneuvers in an A10 fighter jet...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352653/aviation-accident-causes-among-sport-pilots-as-compared-to-class-3-private-pilots-from-2004-2017
#6
John R Mulvey
BACKGROUND: In September 2004 a new pilot certificate, sport pilot, was established, which enabled pilots to fly with a valid driver's license in lieu of a valid third-class medical certificate. In 2016 Mills and DeJohn published a paper in which they demonstrated that sport pilots had a higher accident rate than private pilots with Class 3 medical certificates. They concluded that this privilege should not be extended to a broader range of pilots due to the higher accident rate. They failed to investigate why these pilots crashed...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352652/respiratory-muscle-training-effects-on-performance-in-hypo-and-hyperbaria
#7
Hayden Hess, David Hostler
INTRODUCTION: Performing at high altitude and scuba diving impose functional limitations to the respiratory system and impair exercise performance compared to normobaria. At altitude, the partial pressure of oxygen is reduced, which decreases arterial oxygen saturation and exercise performance. Falling arterial oxygen saturation results in hyperventilation and increased pulmonary ventilation. Diving poses unique effects on the respiratory system. The work of breathing is increased from marked increased airway resistance, static lung load, and hydrostatic pressure from the water on the thoracic wall...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352651/objective-metrics-quantifying-fit-and-performance-in-spacesuit-assemblies
#8
Richard A Fineman, Timothy M McGrath, Damian G Kelty-Stephen, Andrew F J Abercromby, Leia A Stirling
INTRODUCTION: Human-spacesuit fit is not well understood, especially in relation to operational performance and injury risk. Current fit decisions use subjective feedback. This work developed and evaluated new metrics for quantifying fit and assessed metric sensitivity to changes in padding between the human and hip brief assembly (HBA). METHODS: Three subjects donned the Mark III (MKIII) spacesuit with three padding thicknesses between the lower body and HBA. Subjects performed a walking task with inertial measurement units on the thigh and shin of both the human and suit...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352650/selective-auditory-attention-and-spatial-disorientation-cues-effect-on-flight-performance
#9
Rafał Lewkowicz, Paweł Stróżak, Bibianna Bałaj, Piotr Francuz, Paweł Augustynowicz
INTRODUCTION: The auditory system is not as heavily involved in the pilot's spatial orientation as the visual and vestibular systems; however, it plays a significant role in the cockpit for communication and warning information. The aim of this research was to investigate the combined effect of selective auditory attention and simulator-induced spatial disorientation (SD) cues on pilots' flight performance. We hypothesized that the flight performance in both disoriented and oriented flight profiles would be impaired by selective auditory attention...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352649/helicopter-simulator-performance-prediction-using-the-random-forest-method
#10
Hans Bauer, Dennis Nowak, Britta Herbig
INTRODUCTION: Different aspects of the aviation system, such as pilot's fitness, supervision, and working conditions, interact to produce or protect against flight safety hazards. Machine learning methods such as Random Forests may help identify system characteristics with the potential to affect flight safety from the large number of candidate predictors that results when multiple system levels are considered simultaneously. METHODS: There were 54 pilot-related and occupational candidate predictors of simulator flight performance in 2 malfunction scenarios completed by 51 male European helicopter emergency medical services pilots derived from pilots' self-report questionnaires and aeromedical examination records...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352648/posturographic-balance-s-validity-in-mental-and-physical-fatigue-assessment-among-cadet-pilots
#11
Shan Cheng, Jicheng Sun, Jin Ma, Weitao Dang, Mengjun Tang, Duoduo Hui, Lili Zhang, Wendong Hu
BACKGROUND: Postural control is adversely affected by mental and physical fatigue, but its validity in fatigue assessment has not been investigated systemically among pilots. We explored the correlations of posturographic balance with physiological and psychological signals among cadet pilots. METHODS: In experiment 1, 37 cadet pilots performed a posturographic balance test, heart rate variability (HRV), and profile of mood states (POMS) during 40 h of sleep deprivation. For experiment 2, physiological signals of 60 subjects, including breathing rate (BR), systolic blood pressure (SBP), and heart rate (HR) were measured under the effects of physical fatigue...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352647/interaction-between-ambient-temperature-hypoxia-and-load-carriage-on-respiratory-muscle-fatigue
#12
Katrina Hinde, Chris Low, Ray Lloyd, Carlton Cooke
BACKGROUND: While respiratory muscle fatigue is present following load carriage activity at sea level, the effect of environmental conditions on respiratory strength while undertaking load carriage is unknown. METHODS: The effect of thoracic load carriage during walks (5.5 km) in four environments [(thermo-neutral sea level (SL), -10°C (C), 4300 m (H) and 4300 m at -10°C (HC)] was evaluated on respiratory muscle fatigue. Ten subjects completed eight self-paced randomized treadmill walks comprising a variety of gradients, unloaded and loaded (18...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352646/a-systematic-review-and-meta-analysis-of-decompression-sickness-in-altitude-physiological-training
#13
Johnny Conkin, Robert W Sanders, Matthew D Koslovsky, Mary L Wear, Andrew G Kozminski, Andrew F J Abercromby
INTRODUCTION: A review of decompression sickness (DCS) cases associated with the NASA altitude physiological training (APT) program at the Johnson Space Center (JSC) motivated us to place our findings into the larger context of DCS prevalence from other APT centers. METHODS: We reviewed JSC records from 1999 to 2016 and 14 publications from 1968 to 2004 about DCS prevalence in other APT programs. We performed a meta-analysis of 15 APT profiles (488 cases / 385,116 exposures). We used meta-regression to evaluate the relation between estimated exposures and probability of DCS in a test group, accounting for the heterogeneity between studies...
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30352645/the-asma-global-connection-story-with-iaasm
#14
Roland Vermeiren
No abstract text is available yet for this article.
November 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30219127/this-month-in-aerospace-medicine-history
#15
(no author information available yet)
No abstract text is available yet for this article.
October 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30219126/boris-yeregov-first-physician-in-space-and-the-voskhod-1-spaceflight
#16
Mark R Campbell, John Charles
No abstract text is available yet for this article.
October 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30219125/you-re-the-flight-surgeon
#17
(no author information available yet)
Levy B. You're the flight surgeon: alcohol-induced psychosis. Aerosp Med Hum Perform. 2018; 89(10):933-935.
October 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30219124/letter-to-the-editor-re-the-persistent-issue-of-simulator-sickness-in-naval-aviation-training-response
#18
Daniel J Geyer, Adam T Biggs
No abstract text is available yet for this article.
October 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30219123/letter-to-the-editor-re-the-persistent-issue-of-simulator-sickness-in-naval-aviation-training-letter
#19
Michael J Cevette, Jan Stepanek, Gaurav Pradhan
No abstract text is available yet for this article.
October 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/30219122/bone-conduction-as-a-viable-alternative-to-current-communications-systems-in-fighter-cockpits
#20
Brian S Bradke, Zackary White, Jennifer Poston
INTRODUCTION: Effective voice communication is essential when operating aircraft. Because of the loud operating environment in fighter cockpits, it has been a challenge to provide effective communication while simultaneously protecting the hearing sense. The objective of this study was to determine the feasibility of using bone conducting transducers (BCT) in place of legacy communications systems in fighter cockpits. METHODS: A military flight helmet was modified and outfitted with BCT and air-conducting speakers...
October 1, 2018: Aerospace Medicine and Human Performance
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