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The NASA twins study

Domingo, 21 de abril de 2019 Google Scholar Sin comentarios

To date, 559 humans have been flown into space, but long-duration (>300 days) missions are rare (n = 8 total). Long-duration missions that will take humans to Mars and beyond are planned for the2020s and 2030s; therefore, comprehensive studies are needed. The selection of one of a pair of monozygotic (identical) twin astronauts for NASA鈥檚 first 1-year mission has enabled聽 to compare the impact of the spaceflight environment on one twin to the simultaneous impact of the Earth environment on a genetically matched subject.

The conclusion is as following: “Given that the majority of the biological and human health variables remained stable, or returned to baseline, after a 340-day space mission, these data suggest that human health can be mostly sustained over this duration of spacefligh”

Do not miss the whole article published very recently in Science

The NASA聽 Twins Study :A multidimensional analysis of a year long human spaceflight

Garret-Bakelman et al / Science 364 / April 2019

Screening for Sleep Apnea in Obese Pilots

Jueves, 7 de marzo de 2019 Google Scholar Sin comentarios

It has long been appreciated that sleep apnea results in poor quality sleep, and that poor quality sleep is associated with daytime fatigue and decrements in performance. However, the relationship between sleep apnea and poor performance, including risk for accidents is not as well understood.

The purpose of this article is to review the basic epidemiology, pathophysiology, and treatment of sleep apnea, including major risk factors for apnea, such as body mass index (BMI), and to look at what is known about the impact of sleep apnea on performance in transportation related occupations.

Sleep Apnea in Obese Pilots

Ruskin KJ, Caldwell JA, Caldwell JL, Boudreau EA. Screening for sleep apnea in morbidly obese pilots. Aerosp Med Hum Perform. 2015; 86(9): 835 鈥 841

Fisioterapia y efectos de la microgravedad sobre la condici贸n f铆sica de los astronautas

Jueves, 28 de febrero de 2019 Google Scholar Sin comentarios

Conocido por todos es que la exposici贸n a la microgravedad聽 produce cambios cardio-vascvulares, osteomusculares y neuromusculares, susceptibles de intervenci贸n fisioterapeutica. Este art铆culo publicado en 2018聽 por聽Alfonso Mantilla, fisioterapeuta de la Universidad del Rosario en Colombia y Jaime Martinez en la revista Iberoamericana de Ciencias de la Actividad F铆sica y del Deporte , describen de forma esquem谩tica聽 -a trav茅s del estudio de 34 art铆culos seleccionados-, los efectos de la microgravedad y los protocolos de entrenamiento que pueden ser 煤tiles par el entrenamiento de astronautas a trav茅s de la actividad f铆sica.

Efectos de la microgravedad sobre la condici贸n f铆sica de los astronautas : 驴Existe intervenci贸n terap茅utica?

Rev. Ib. CC. Act. Fis. Dep. 2018 . 7(2): 53-60

An overview of Aerospace Medicine

Mi茅rcoles, 13 de febrero de 2019 Google Scholar Sin comentarios

Space medicine is fundamental to the human exploration of space. It supports survival, function and performance in this challenging and potentially lethal environment. It is international, intercultural and interdisciplinary, operating at the boundaries of exploration, science, technology and medicine. Space medicine is also the latest UK specialty to be recognized by the Royal College of Physicians in the UK and the General Medical Council.

This review introduces the field of space medicine and describes the different types of spaceflight, environmental challenges, associated medical and physiological effects, and operational medical considerations.

It is clear, concise and easy to read, advisable for beginners and experts alike.

An overview of Aerospace Medicine

British Journal of Anaesthesia, 119 (S1): i143鈥搃153 (2017)

P. D. Hodkinson1,2,*, R. A. Anderton3 , B. N. Posselt1 and K. J. Fong4

1 Royal Air Force Centre of Aviation Medicine, RAF Henlow, Bedfordshire 2 Division of Anaesthesia, University of Cambridge,聽 3 Civil Aviation Authority, Gatwick Airport South, Aviation House, Crawley, Gatwick聽 and 4 University College London Hospital,

*Corresponding author. E-mail: Pdh39@cam.ac.uk

Problemas de Sue帽o en 脪rbita de los astronautas / On Orbit Sleep Problems of Astronauts

Mi茅rcoles, 6 de febrero de 2019 Google Scholar Sin comentarios

Hoy os traemos un interesante resumen sobre los problemas que los astronautas tienen en relaci贸n con los vuelos orbitales. En 2015 la NASA public贸 que la media de horas de sue帽o de los astronautas era de unas 6h/d铆a, por debajo de lo recomendable y adem谩s con una calidad inferior al descanso terrestre. Las causas que se invocan聽 son muchas y variadas: temperaturas poco confortables y ruido ambiental , aislamiento y confinamiento en聽 espacios reducidos, incomodidad de los sacos de dormir, falta de se帽ales propioceptivas familiares, falta de se帽ales circadianas (alteraciones en los “time givers”). Y sus efectos muy conocidos tanto a nivel fisiol贸gico como psicol贸gico, u operacional. Por recordar, un solo detalle, el 70% de los astronautas usan medicaci贸n para mitigar estas alteraciones. Otras medidas para intentar聽aliviar estos problemas聽 son mejorar la calidad medioambiental de la cabina, y designar razonables ciclos de trabajo/descanso, as铆 como聽 apoyo psicol贸gico y soporte social, en astronautas entrenados y formados para enfrentarse a ambientes extremos.

Muy recomendable leer completo el art铆culo:

On-orbit sleep problems of astronauts and countermeasures (Military Medical Research 2018 ;5:17)

B Wu, Y Wang, X Wu,et al

  • State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, No. 26 Beiqing Road, Haidian District, Beijing, 100094, People鈥檚 Republic of China