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High Altitude Medicine & Biology

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https://www.readbyqxmd.com/read/30376383/occurrence-of-acute-mountain-sickness-in-nonclimbing-tourists-at-mount-mitchell-north-carolina-2037-m
#1
David East, Janet Steele
No abstract text is available yet for this article.
October 30, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30362832/the-effects-of-high-altitude-on-glucose-homeostasis-metabolic-control-and-other-diabetes-related-parameters-from-animal-studies-to-real-life
#2
Theocharis Koufakis, Spyridon N Karras, Omar G Mustafa, Pantelis Zebekakis, Kalliopi Kotsa
Koufakis, Theocharis, Spyridon N. Karras, Omar G. Mustafa, Pantelis Zebekakis, and Kalliopi Kotsa. The effects of high altitude on glucose homeostasis, metabolic control, and other diabetes-related parameters: from animal studies to real life. High Alt Med Biol. 19:000-000, 2018.-Exposure to high altitude activates several complex and adaptive mechanisms aiming to protect human homeostasis from extreme environmental conditions, such as hypoxia and low temperatures. Short-term exposure is followed by transient hyperglycemia, mainly triggered by the activation of the sympathetic system, whereas long-term exposure results in lower plasma glucose concentrations, mediated by improved insulin sensitivity and augmented peripheral glucose disposal...
October 26, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30358417/effect-of-oral-vitamin-c-supplementation-on-high-altitude-hyperuricemia-in-young-men-initially-migrating-to-high-altitude-a-pilot-study
#3
Hui Peng, Dongfang Feng, Yingkai Wang, Zixi Dong, Qing Chen, Lihong Zhang, Ruigang Luo, Jinsong Chen, Anjun Wang, Shiwu Ma
Peng, Hui, Dongfang Feng, Yingkai Wang, Zixi Dong, Qing Chen, Lihong Zhang, Ruigang Luo, Jinsong Chen, Anjun Wang, and Shiwu Ma. Effect of oral vitamin C supplementation on high-altitude hyperuricemia in young men initially migrating to high altitude: a pilot study. High Alt Med Biol 00:000-000, 2018. OBJECTIVE: Clinical studies have shown that oral vitamin C supplementation can reduce serum uric acid levels in multiple populations and may also improve acute mountain sickness. However, it is unclear whether this protocol can improve high-altitude hyperuricemia...
October 24, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30335516/uiaa-medical-commission-recommendations-for-mountaineers-hillwalkers-trekkers-and-rock-and-ice-climbers-with-diabetes
#4
David Hillebrandt, Anil Gurtoo, Thomas Kupper, Paul Richards, Volker Schöffl, Pankaj Shah, Rianne van der Spek, Nikki Wallis, Jim Milledge
Hillebrandt, David, Anil Gurtoo, Thomas Kupper, Paul Richards, Volker Schöffl, Pankaj Shah, Rianne van der Spek, Nikki Wallis, and Jim Milledge. UIAA Medical Commission recommendations for mountaineers, hillwalkers, trekkers, and rock and ice climbers with diabetes. High Alt Med Biol 00:000-000, 2018.-The object of this advice article is not only to give the diabetic mountaineer general guidance but also to inform his or her medical team of practical aspects of care that may not be standard for nonmountaineers...
October 18, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30321066/re-high-altitude-and-cancer-mortality-by-thiersch-and-swenson-high-alt-med-biol-2018-19-116-123
#5
David Garrido, Santiago Garrido
No abstract text is available yet for this article.
October 13, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30281336/gestational-diabetes-prevalence-at-moderate-and-high-altitude
#6
Anna G Euser, Andrew Hammes, Jared T Ahrendsen, Barbara Neshek, David A Weitzenkamp, Javier Gutierrez, Peppi Koivunen, Colleen G Julian, Lorna G Moore
Euser, Anna G., Andrew Hammes, Jared T. Ahrendsen, Barbara Neistadt, David A. Weitzenkamp, Javier Gutierrez, Peppi Koivunen, Colleen G. Julian, and Lorna G. Moore. Gestational diabetes prevalence at moderate and high altitude. High Alt Med Biol. 00:000-000, 2018. BACKGROUND: High-altitude (HA) pregnancies have been associated with decreased glucose levels and increased insulin sensitivity versus sea level. Our objective was to determine if the prevalence of gestational diabetes mellitus (GDM) and the impact of demographic characteristics on GDM diagnosis differed at moderate altitude (MA) versus HA...
October 3, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30251888/hemoglobin-concentration-in-children-at-different-altitudes-in-peru-proposal-for-hb-correction-for-altitude-to-diagnose-anemia-and-polycythemia
#7
Silvana Ocas-Córdova, Vilma Tapia, Gustavo F Gonzales
Ocas-Córdova, Silvana, Vilma Tapia, and Gustavo F. Gonzales. Hemoglobin concentration in children at different altitudes in Peru: proposal for [Hb] correction for altitude to diagnose anemia and polycythemia. High Alt Med Biol. 00:000-000, 2018.-The present study was designed to define the hemoglobin [Hb] increase with altitude in Peruvian children. We suggest the normal range of [Hb] as means ±2 standard deviations (SD), with a value less than - 2 SD as a possible threshold to detect anemia. The prevalence of anemia was calculated...
September 22, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30251879/intermittent-hypoxia-hyperoxia-conditioning-improves-cardiorespiratory-fitness-in-older-comorbid-cardiac-outpatients-without-hematological-changes-a-randomized-controlled-trial
#8
Elena Dudnik, Elena Zagaynaya, Oleg S Glazachev, Davide Susta
Dudnik, Elena, Zagaynaya E, Glazachev OS, and Susta D. Intermittent Hypoxia-Hyperoxia Conditioning Improves Cardiorespiratory Fitness in Older Comorbid Cardiac Outpatients Without Hematological Changes: A Randomized Controlled Trial. High Alt Med Biol 00:000-000, 2018. AIM: To compare a program based on intermittent hypoxia-hyperoxia training (IHHT) consisting of breathing hypoxic-hyperoxic gas mixtures while resting to a standard exercise-based rehabilitation program with respect to cardiorespiratory fitness (CRF) in older, comorbid cardiac outpatients...
September 22, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30239222/possible-role-of-glymphatic-system-of-the-brain-in-the-pathogenesis-of-high-altitude-cerebral-edema
#9
Marian Simka, Paweł Latacz, Joanna Czaja
Simka, Marian, Paweł Latacz, and Joanna Czaja. Possible role of glymphatic system of the brain in the pathogenesis of high-altitude cerebral edema. High Alt Med Biol 00:000-000, 2018.-In this article, we suggest that the glymphatic system of the brain can play an important role in the pathogenesis of high-altitude cerebral edema (HACE). Water enters the intercellular space of the brain primarily through aquaporin-4 (AQP-4) water channels, the main component of the glymphatic system, whereas acetazolamide, pharmacological agent used in the prevention of HACE, is the blocker of the AQP-4 molecule...
September 21, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30234408/a-qualitative-study-of-psychological-outcomes-in-avalanche-first-responders
#10
Nathalia Dolan, Christopher Tedeschi
Dolan, Nathalia, and Christopher Tedeschi. A qualitative study of psychological outcomes in avalanche first responders. High Alt Med Biol 00:000-000, 2018. OBJECTIVES: We sought to characterize the mental health morbidity associated with avalanche rescue, and to generate hypotheses as to how such morbidity may be mitigated. MATERIALS AND METHODS: Avalanche first responders were recruited through online advertisements, social media, direct outreach, and e-mail solicitation...
September 20, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30204493/effects-of-high-intensity-interval-training-under-normobaric-hypoxia-on-cardiometabolic-risk-markers-in-overweight-obese-women
#11
Alba Camacho-Cardenosa, Marta Camacho-Cardenosa, Javier Brazo-Sayavera, Martin Burtscher, Rafael Timón, Guillermo Olcina
Camacho-Cardenosa, Alba, Marta Camacho-Cardenosa, Javier Brazo-Sayavera, Martin Burtscher, Rafael Timón, and Guillermo Olcina. Effects of high-intensity interval training under normobaric hypoxia on cardiometabolic risk markers in overweight/obese women. High Alt Med Biol. 16:000-000, 2018.-Promising benefits on cardiometabolic risk factors have been reported with prolonged programs of cyclic hypoxia. The aim of this study was to examine whether cyclic hypoxia exposure while exercising through two protocols of high-intensity interval training in overweight/obese women is more effective to improve cardiometabolic risk markers than exercising in normoxia...
September 11, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30192653/inhibition-of-suicidal-erythrocyte-death-by-chronic-hypoxia
#12
Feng Tang, Lin Feng, Runle Li, Wei Wang, Huihui Liu, Quanyu Yang, Ri-Li Ge
Tang, Feng, Lin Feng, Runle Li, Wei Wang, Huihui Liu, Quanyu Yang, and Ri-Li Ge. Inhibition of suicidal erythrocyte death by chronic hypoxia. High Alt Med Biol. 00:000-000, 2018. BACKGROUND/AIMS: High-altitude polycythemia is defined by the increase of hematocrit and hemoglobin at high altitudes caused by production of excessive erythrocytes. Eryptosis is a process by which mature erythrocytes undergo self-destruction sharing several features with apoptosis. However, the eryptosis in high-altitude hypobaric hypoxia is unknown...
September 7, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30183350/on-site-treatment-of-snow-avalanche-victims-from-bench-to-bedside
#13
Giacomo Strapazzon, Hermann Brugger
Strapazzon Giacomo and Hermann Brugger. On-site treatment of snow avalanche victims: From bench to bedside. High Alt Med Biol. 00:000-000, 2018.-The number of avalanche accidents involving winter recreationists has notably increased in recent decades due to the increasing popularity of outdoor winter activities. The International Liaison Committee on Cardiopulmonary Resuscitation, the International Commission for Mountain Emergency Medicine (ICAR Medcom), and the Wilderness Medical Society have recently published evidenced-based recommendations for the on-site treatment of snow avalanche victims...
September 5, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30132730/infrared-thermographic-analysis-of-surface-temperature-of-the-hands-during-exposure-to-normobaric-hypoxia
#14
Daniel Jones, Samuel F Covins, Gavin E Miller, Kenneth I Morrison, Alexander G Clark, Samuel D Calcott, Alasdair M Anderson, Samuel J E Lucas, Christopher H E Imray
Jones, Daniel, Samuel F. Covins, Gavin E. Miller, Kenneth I. Morrison, Alexander G. Clark, Samuel D. Calcott, Alasdair M. Anderson, Samuel J.E. Lucas, Christopher H.E. Imray, and the Warwick Altitude Research Group. Infrared red thermographic analysis of surface temperature of the hands during exposure to normobaric hypoxia. High Alt Med Biol. 00:000-000, 2018.-Frostbite and other cold-related injuries commonly develop during prolonged exposure to the low environmental temperatures of polar and mountainous regions...
August 22, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30239230/response-to-burtscher-re-increased-cytokines-at-high-altitude-lack-of-effect-of-ibuprofen-on-acute-mountain-sickness-physiological-variables-or-cytokine-levels
#15
LETTER
Philip Bickler, John R Feiner, Jenny Lundeberg
No abstract text is available yet for this article.
September 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30179522/rapidly-progressing-fatal-high-altitude-illness-in-a-patient-with-hyperthyroidism
#16
Sang Jae Noh, Ho Lee
Noh, Sang Jae and Ho Lee. Rapidly progressing fatal high-altitude illness in a patient with hyperthyroidism. High Alt Med Biol. 19:288-290, 2018.-High-altitude illness (HAI) refers to a broad spectrum of diseases ranging from acute mountain sickness to high-altitude cerebral and pulmonary edema that are induced by high-altitude hypoxic stress. In this study, we present a case of a rapidly progressing fatal HAI (high-altitude cerebral edema and pulmonary edema) in a patient with hyperthyroidism. The victim is a 20-year-old female being treated for Graves' disease, who died after visiting a high-altitude region for travel...
September 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30153042/altitude-and-variable-effects-on-infant-mortality-in-the-united-states
#17
Robert S Levine, Jason L Salemi, Maria C Mejia de Grubb, Sarah K Wood, Lisa Gittner, Hafiz Khan, Michael A Langston, Baqar A Husaini, George Rust, Charles H Hennekens
Levine, Robert S., Jason L. Salemi, Maria C. Mejia de Grubb, Sarah K. Wood, Lisa Gittner, Hafiz Khan, Michael A. Langston, Baqar A. Husaini, George Rust, and Charles H. Hennekens. Altitude and variable effects on infant mortality in the United States. High Alt Med Biol. 19:265-271, 2018. AIMS: To explore whether altitude has different effects on infant mortality from newborn respiratory distress, nontraumatic intracranial hemorrhage, and necrotizing enterocolitis. RESULTS: Infants born in the US Mountain Census Division (AR, CO, ID, NV, NM, UT, and WY) had lower mortality from newborn respiratory distress (p < 0...
September 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30153038/re-increased-cytokines-at-high-altitude-lack-of-effect-of-ibuprofen-on-acute-mountain-sickness-physiological-variables-or-cytokine-levels-by-lundeberg-et-al-high-alt-med-biol-2018-19-249-258
#18
LETTER
https://www.readbyqxmd.com/read/30118327/comparison-of-echocardiographic-parameters-between-healthy-highlanders-in-tibet-and-lowlanders-in-beijing
#19
Ying Yang, Duo-Ji Zha-Xi, Wei Mao, Guang Zhi, Bin Feng, Yun-Dai Chen
Yang, Ying, Duo-Ji Zha-Xi, Wei Mao, Guang Zhi, Bin Feng, and Yun-Dai Chen. Comparison of echocardiographic parameters between healthy highlanders in Tibet and lowlanders in Beijing. High Alt Med Biol. 19:259-264, 2018.-The hearts of highlanders exhibit distinct features compared with the hearts of lowlanders. However, previous findings have not been verified in a large-scale Tibetan population study. The aim of this study was to present differences in echocardiography results among healthy native Tibetans, acclimatized Han highlanders, and Han lowlanders at sea level...
September 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/30010429/the-use-of-e-learning-in-medical-education-for-mountain-rescuers-concerning-hypothermia
#20
Paweł Podsiadło, Sylweriusz Kosiński, Tomasz Darocha, Kinga Sałapa, Tomasz Sanak, Hermann Brugger
Podsiadło, Paweł, Sylweriusz Kosiński, Tomasz Darocha, Kinga Sałapa, Tomasz Sanak, and Hermann Brugger. The use of e-learning in medical education for mountain rescuers concerning hypothermia. High Alt Med Biol 19:272-277, 2018. OBJECTIVE: Victims of mountain accidents are often exposed to wet and cold environments which may increase the risk of hypothermia. Mountain rescuers should be able to recognize and manage hypothermia. We aimed to assess relevant knowledge in professional and volunteer mountain rescuers, as well as to evaluate the efficacy of an e-learning platform for continuing medical education...
September 2018: High Altitude Medicine & Biology
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