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High Altitude Medicine & Biology

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https://www.readbyqxmd.com/read/28072549/free-flight-physiology-paragliding-and-the-study-of-extreme-altitude
#1
Matt Wilkes, Martin J MacInnis, Matthew J Witt, Michael Vergalla, Mathieu Verschave Keysers, Adrian Thomas, Lucy A Hawkes
No abstract text is available yet for this article.
January 10, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28061144/long-term-health-outcomes-in-high-altitude-pulmonary-hypertension
#2
Jeffrey C Robinson, Cheryl Abbott, Christina A Meadows, Robert C Roach, Benjamin Honigman, Todd M Bull
: Robinson, Jeffrey C., Cheryl Abbott, Christina A. Meadows, Robert C. Roach, Benjamin Honigman, and Todd M. Bull. Long-term health outcomes in high-altitude pulmonary hypertension. High Alt Med Biol. 16:000-000, 2016.-Background: High-altitude pulmonary hypertension (HAPH) is one of several known comorbidities that effect populations living at high altitude, but there have been no studies looking at long-term health consequences of HAPH. We aimed to determine whether HAPH during adolescence predisposes to significant pulmonary hypertension (PH) later in life, as well as identify how altitude exposure and HAPH correlate with functional class and medical comorbidities...
January 6, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28048949/on-the-significance-of-altered-drug-pharmacokinetics-pharmacodynamics-at-high-altitude
#3
Damian M Bailey
No abstract text is available yet for this article.
January 3, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28002687/surviving-without-oxygen-how-low-can-the-human-brain-go
#4
Damian M Bailey, Christopher K Willie, Ryan L Hoiland, Anthony R Bain, David B MacLeod, Maria A Santoro, Daniel K DeMasi, Andrea Andrijanic, Tanja Mijacika, Otto F Barak, Zeljko Dujic, Philip N Ainslie
Bailey, Damian M., Christopher K. Willie, Ryan L. Hoiland, Anthony R. Bain, David B. MacLeod, Maria A. Santoro, Daniel K. DeMasi, Andrea Andrijanic, Tanja Mijacika, Otto F. Barak, Zeljko Dujic, and Philip N. Ainslie. Surviving without oxygen: how low can the human brain go? High Alt Med Biol 00:000-000, 2016.-Hypoxic cerebral vasodilation is a highly conserved physiological response coupling cerebral O2 delivery (CDO2) to metabolic demand with increasingly important roles identified for the red blood cell (sensor) and nitric oxide (effector)...
December 21, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27996304/corneal-thickness-in-highlanders
#5
Sagarika Patyal, Amit Arora, Arun Yadav, Vijay K Sharma
: Patyal, Sagarika, Amit Arora, Arun Yadav, and Vijay K. Sharma. Corneal thickness in highlanders. High Alt Med Biol. 17:000-000, 2016.-Background: Corneal thickness is an important parameter with diagnostic and therapeutic implications. Various studies have highlighted increase in corneal thickness in lowlanders on ascending to high altitude. However, there are no studies in the published literature pertaining to corneal thickness of the highlanders who are inhabitants of such altitudes...
December 20, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27996303/re-increased-cardiometabolic-risk-and-worsening-hypoxemia-at-high-altitude-by-miele-et-al-high-alt-med-biol-17-93-100
#6
Offdan D Narvaez-Guerra, Karela Herrera-Enriquez
No abstract text is available yet for this article.
December 20, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27912037/avalanche-accidents-causing-fatalities-are-they-any-different-in-the-summer
#7
Mathieu Pasquier, Olivier Hugli, Alexandre Kottmann, Frank Techel
: Pasquier, Mathieu, Olivier Hugli, Alexandre Kottmann, and Frank Techel. Avalanche accidents causing fatalities: are they any different in the summer? High Alt Med Biol. 16:000-000, 2016. AIMS: This retrospective study investigated the epidemiology of summer avalanche accidents that occurred in Switzerland and caused at least one fatality between 1984 and 2014. Summer avalanche accidents were defined as those that occurred between June 1st and October 31st. RESULTS: Summer avalanches caused 21 (4%) of the 482 avalanches with at least one fatality occurring during the study period, and 40 (6%) of the 655 fatalities...
December 2, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27906593/does-swimming-at-a-moderate-altitude-favor-a-lower-oxidative-stress-in-an-intensity-dependent-manner-role-of-nonenzymatic-antioxidants
#8
Rafael A Casuso, Jerónimo Aragón-Vela, Gracia López-Contreras, Silvana N Gomes, Cristina Casals, Yaira Barranco-Ruiz, Jordi J Mercadé, Jesus R Huertas
Casuso, Rafael A., Jerónimo Aragón-Vela, Gracia López-Contreras, Silvana N. Gomes, Cristina Casals, Yaira Barranco-Ruiz, Jordi J. Mercadé, and Jesus R. Huertas. Does swimming at a moderate altitude favor a lower oxidative stress in an intensity-dependent manner? Role of nonenzymatic antioxidants. High-Alt Med Biol. 00:000-000, 2016-we aimed to describe oxidative damage and enzymatic and nonenzymatic antioxidant responses to swimming at different intensities in hypoxia. We recruited 12 highly experienced swimmers who have been involved in competitive swimming for at least 9 years...
December 1, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27860516/assessment-of-the-brainstem-mediated-stapedius-muscle-reflex-in-andean-children-living-at-high-altitudes
#9
S Allen Counter, Leo H Buchanan, Fernando Ortega, Anthony B Jacobs, Göran Laurell
Counter, S. Allen, Leo H. Buchanan, Fernando Ortega, Anthony B. Jacobs, and Göran Laurell. Assessment of the brainstem-mediated stapedius muscle reflex in Andean children living at high altitudes. High Alt Med Biol. 16:000-000, 2016.-This study examined the physiological thresholds, amplitude growth, and contraction duration of the acoustic stapedius reflex (ASR) in Andean children aged 2-17 years living at altitudes of 2850 m (Altitude I Group) and 3973 m (Altitude II Group) as part of a general medical assessment of the health status of the children...
November 18, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27959667/bench-evaluation-of-four-portable-oxygen-concentrators-under-different-conditions-representing-altitudes-of-2438-4200-and-8000%C3%A2-m
#10
Vincent Bunel, Amr Shoukri, Frederic Choin, Serge Roblin, Cindy Smith, Thomas Similowski, Capucine Morélot-Panzini, Jesus Gonzalez
Bunel, Vincent, Amr Shoukri, Frederic Choin, Serge Roblin, Cindy Smith, Thomas Similowski, Capucine Morélot-Panzini, and Jésus Gonzalez. Bench evaluation of four portable oxygen concentrators under different conditions representing altitudes of 2438, 4200, and 8000 m. High Alt Med Biol. 17:370-374, 2016.-Air travel is responsible for a reduction of the partial pressure of oxygen (O2) as a result of the decreased barometric pressure. This hypobaric hypoxia can be dangerous for passengers with respiratory diseases, requiring initiation or intensification of oxygen therapy during the flight...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27959666/hematocrit-and-hemoglobin-levels-of-nonhuman-apes-at-moderate-altitudes-a-comparison-with-humans
#11
Jacopo P Mortola, DeeAnn Wilfong
Mortola, Jacopo P. and DeeAnn Wilfong. Hematocrit and hemoglobin levels of nonhuman apes at moderate altitudes: a comparison with humans. High Alt Med Biol. 17:323-335, 2016.-We asked to what extent the hematologic response (increase in hematocrit [Hct] and in blood hemoglobin concentration [Hb]) of humans to altitude hypoxia was shared by our closest relatives, the nonhuman apes. Data were collected from 29 specimens of 7 species of apes at 2073 m altitude (barometric pressure Pb = 598 mm Hg); additional data originated from apes located at a lower altitude (1493 m, Pb = 639 mm Hg)...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27906598/managing-high-altitude-pulmonary-edema-with-oxygen-alone-results-of-a-randomized-controlled-trial
#12
Uday Yanamandra, Velu Nair, Surinderpal Singh, Amul Gupta, Deepak Mulajkar, Sushma Yanamandra, Konchok Norgais, Ruchira Mukherjee, Vikrant Singh, Srinivasa A Bhattachar, Sagarika Patyal, Rajan Grewal, Bhushan Chopra
Yanamandra, Uday, Velu Nair, Surinderpal Singh, Amul Gupta, Deepak Mulajkar, Sushma Yanamandra, Konchok Norgais, Ruchira Mukherjee, Vikrant Singh, Srinivasa A. Bhattachar, Sagarika Patyal, and Rajan Grewal. High-altitude pulmonary edema management: Is anything other than oxygen required? Results of a randomized controlled trial. High Alt Med Biol. 17:294-299, 2016.-Treatment strategies for management of high-altitude pulmonary edema (HAPE) are mainly based on the observational studies with only two randomized controlled trials, thus the practice is very heterogeneous and individualized as per the choice of treating physician...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27801601/-unknown-title
#13
(no author information available yet)
No abstract text is available yet for this article.
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27788038/history-of-migraine-predicts-headache-at-high-altitude
#14
Christopher Davis, Elaine Reno, Edward Maa, Robert Roach
: Davis, Christopher, Elaine Reno, Edward Maa, and Robert Roach. History of Migraine Predicts Headache at High Altitude. High Alt Med Biol. 17:300-304, 2016.-Objective: To characterize the spectrum of headaches and their association with migraine history within a population of recreational hikers above 4300 m. METHODS: Using a cross-sectional survey design, a convenience sample of 667 hikers participated in a written survey after descent from Mount Gray/Torreys (4349 m)...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27768392/pulmonary-embolism-masquerading-as-high-altitude-pulmonary-edema-at-high-altitude
#15
Prativa Pandey, Benu Lohani, Holly Murphy
Pandey, Prativa, Benu Lohani, and Holly Murphy. Pulmonary embolism masquerading as high altitude pulmonary edema at high altitude. High Alt Med Biol. 17:353-358, 2016.-Pulmonary embolism (PE) at high altitude is a rare entity that can masquerade as or occur in conjunction with high altitude pulmonary edema (HAPE) and can complicate the diagnosis and management. When HAPE cases do not improve rapidly with descent, other diagnoses, including PE, ought to be considered. From 2013 to 2015, we identified eight cases of PE among 303 patients with initial diagnosis of HAPE...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27763796/medication-use-among-mount-everest-climbers-practice-and-attitudes
#16
Andrew M Luks, Colin Grissom, Luanne Freer, Peter Hackett
Luks, Andrew M., Colin Grissom, Luanne Freer, and Peter Hackett. Medication use among mount Everest climbers: practice and attitudes. High Alt Med Biol. 17:315-322, 2016.-The lay public, media, and medical experts have expressed concern about the ethics of climbers using medications to improve performance and increase the odds of summit success while climbing at high altitude, but the true incidence of this practice remains unclear. We conducted an anonymous survey of climbers who have attempted to climb Mt...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27763773/high-concentrations-of-ozone-air-pollution-on-mount-everest-health-implications-for-sherpa-communities-and-mountaineers
#17
John L Semple, G W Kent Moore, Petros Koutrakis, Jack M Wolfson, Paolo Cristofanelli, Paolo Bonasoni
: Semple, John L., G.W. Kent Moore, Petros Koutrakis, Jack M. Wolfson, Paolo Cristofanelli, and Paolo Bonasoni. High concentrations of ozone air pollution on Mount Everest: health implications for Sherpa communities and mountaineers. High Alt Med Biol. 17:365-369, 2016.-Introduction: Populations in remote mountain regions are increasingly vulnerable to multiple climate mechanisms that influence levels of air pollution. Few studies have reported on climate-sensitive health outcomes unique to high altitude ecosystems...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27754698/effect-of-increased-blood-flow-on-pulmonary-circulation-before-and-during-high-altitude-acclimatization
#18
Matthias Peter Hilty, Andrea Müller, Daniela Flück, Christoph Siebenmann, Peter Rasmussen, Stefanie Keiser, Katja Auinger, Carsten Lundby, Marco Maggiorini
: Matthias Peter Hilty, Andrea Mueller, Daniela Flück, Christoph Siebenmann, Peter Rasmussen, Stefanie Keiser, Katja Auinger, Carsten Lundby, and Marco Maggiorini. Effect of increased blood flow on the pulmonary circulation before and during high altitude acclimatization. High Alt Med Biol. 17:305-314, 2016.-Introduction and Methods: Acute exposure to high altitude increases pulmonary artery pressure (Ppa) and pulmonary vascular resistance (PVR). The evolution of Ppa and PVR with continuous hypoxic exposure remains, however, elusive...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27626325/chronic-hypobaric-hypoxia-induces-right-ventricular-hypertrophy-and-apoptosis-in-rats-therapeutic-potential-of-nanocurcumin-in-improving-adaptation
#19
Sarita Nehra, Varun Bhardwaj, Santosh Kar, Deepika Saraswat
Nehra, Sarita, Varun Bhardwaj, Santosh Kar, and Deepika Saraswat. Chronic hypobaric hypoxia induces right ventricular hypertrophy and apoptosis in rats: therapeutic potential of nanocurcumin in improving adaptation. High Alt Med Biol. 17:342-352, 2016.-a sustained work load on the right heart on ascent to high altitudes promotes right ventricular hypertrophy (RVH), which eventually undergoes decompensation and promotes pathological damage. However, the exact set of events leading to damage remains unidentified...
December 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27548274/brief-working-memory-and-physiological-monitoring-during-a-high-altitude-expedition
#20
Carine Malle, Benoît Ginon, Cyprien Bourrilhon
: Malle, Carine, Benoît Ginon, and Cyprien Bourrilhon. Brief working memory and physiological monitoring during a high-altitude expedition. High Alt Med Biol. 17:359-364, 2016.-Background: Various studies have shown the deleterious effects of high-altitude hypoxia on cognitive functions, including attention and memory. Since optimal cognitive abilities may be crucial for mountain safety, this study was aimed to assess the relevance of a brief working memory test to quickly assess cognition at high altitude...
December 2016: High Altitude Medicine & Biology
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