Mostrando 1 - 20 Resultados de 31 Para Buscar '"altitud"', tiempo de consulta: 0.08s Limitar resultados
  1. 1
    “…BACKGROUND/AIMS: Amongst numerous travellers to high altitude (HA) are many with the highly prevalent COPD, who are at particular risk for altitude-related adverse health effects (ARAHE). …”
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    Hypoxia-altitude simulation test to predict altitude-related adverse health effects in COPD patients
  2. 2
    “…BACKGROUND: Retinal hemorrhages have been described as a component of high altitude retinopathy (HAR) in association with altitude illness. …”
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    Delayed Appearance of High Altitude Retinal Hemorrhages
  3. 3
    “…In addition, hypobaric hypoxia may impair postural control, psycho-motor, and cognitive performance in patients with COPD during altitude sojourns. Randomized, placebo-controlled trials have shown that preventive treatment with oxygen at night or with acetazolamide reduces the risk of ARAHE in patients with COPD while preventive dexamethasone treatment improves oxygenation and altitude-induced excessive sleep apnea, and lowers systemic and pulmonary artery pressure. …”
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    Counseling Patients with Chronic Obstructive Pulmonary Disease Traveling to High Altitude
  4. 4
    “…Objective: Neurocognitive functions are affected by high altitude, however the altitude effects of acclimatization and repeated exposures are unclear. …”
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    Effects on Cognitive Functioning of Acute, Subacute and Repeated Exposures to High Altitude
  5. 5
    “…We hypothesized that prolonged and repeated high-altitude exposure will improve altitude-induced deoxygenation and breathing instability. …”
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    Acute high altitude exposure, acclimatization and re-exposure on nocturnal breathing
  6. 6
    “…INTRODUCTION: The purpose of the study was to comprehensively evaluate physiologic changes associated with development of high altitude pulmonary edema (HAPE). We tested whether changes in pulmonary function and breathing pattern would herald clinically overt HAPE at an early stage. …”
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    Lung Function and Breathing Pattern in Subjects Developing High Altitude Pulmonary Edema
  7. 7
    “…However, the effects of acute exposure to moderate altitude on the cardiovascular system and metabolism are largely unknown. …”
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    Effects of Acute Exposure to Moderate Altitude on Vascular Function, Metabolism and Systemic Inflammation
  8. 8
    “…BACKGROUND: Previous studies have observed an altitude-dependent increase in central apneas and a shift towards lighter sleep at altitudes >4000 m. …”
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    Quantitative Changes in the Sleep EEG at Moderate Altitude (1630 m and 2590 m)
  9. 9
    “…BACKGROUND: To investigate the effect of asthma rehabilitation at high altitude (3100 m, HA) compared to low altitude (760 m, LA). …”
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    Asthma rehabilitation at high vs. low altitude: randomized parallel-group trial
  10. 10
    “…Currently available European Alpine Altitude Climate Treatment (AACT) programs combine the physical characteristics of altitude with the avoidance of environmental triggers in the alpine climate and a personalized multidisciplinary pulmonary rehabilitation approach. …”
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    Alpine altitude climate treatment for severe and uncontrolled asthma: An EAACI position paper
  11. 11
    “…Aim: High altitude (HA) hypoxia may affect cognitive performance and sleep quality. …”
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    Effect of Acute, Subacute, and Repeated Exposure to High Altitude (5050 m) on Psychomotor Vigilance
  12. 12
    “…Introduction: Stable patients with pulmonary arterial or chronic thromboembolic pulmonary hypertension (PH) wish to undergo altitude sojourns or air travel but fear disease worsening. …”
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    Altitude Travel in Patients With Pulmonary Hypertension: Randomized Pilot-Trial Evaluating Nocturnal Oxygen Therapy
  13. 13
    “…METHODS: In healthy individuals and patients with chronic obstructive pulmonary disease participating in clinical field studies at different altitudes, arterial blood samples were obtained at rest and during exercise in a hospital at 760 m and in a high altitude clinic at 3100 m. …”
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    Validation of a Portable Blood Gas Analyzer for Use in Challenging Field Conditions at High Altitude
  14. 14
    “…Prediction of adverse health effects at altitude or during air travel is relevant, particularly in pre-existing cardiopulmonary disease such as pulmonary arterial or chronic thromboembolic pulmonary hypertension (PAH/CTEPH, PH). …”
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    Cardiorespiratory Adaptation to Short-Term Exposure to Altitude vs. Normobaric Hypoxia in Patients with Pulmonary Hypertension
  15. 15
    “…OBJECTIVE: Altitude travel is increasingly popular also for middle-aged and older tourists and professionals. …”
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    Effect of acetazolamide on visuomotor performance at high altitude in healthy people 40 years of age or older—RCT
  16. 16
    “…For safety, patients with sustained hypoxaemia at altitude (peripheral oxygen saturation <80% for >30 min or <75% for >15 min) received oxygen therapy. …”
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    Effect of a day-trip to altitude (2500 m) on exercise performance in pulmonary hypertension: randomised crossover trial
  17. 17
    “…BACKGROUND: COPD may predispose to symptomatic pulmonary hypertension at high altitude. We investigated haemodynamic changes in lowlanders with COPD ascending to 3100 m and evaluated whether preventive acetazolamide treatment would attenuate the altitude-induced increase in pulmonary artery pressure (PAP). …”
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    Effect of acetazolamide on pulmonary vascular haemodynamics in patients with COPD going to altitude: a randomised, placebo-controlled, double-blind trial
  18. 18
    “…OBJECTIVES: Intact postural control is essential for safe performance of mountain sports, operation of machinery at altitude, and for piloting airplanes. We tested whether exposure to hypobaric hypoxia at moderate altitude impairs the static postural control of healthy subjects. …”
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    Impaired Postural Control in Healthy Men at Moderate Altitude (1630 M and 2590 M): Data from a Randomized Trial
  19. 19
    “…Concurrent measurements of cPaO(2) (AGM100) and mPaO(2) (EPOC, portable aBGA device) were performed in 131 moderate-to-severe COPD patients (mean ±SD FEV(1): 60 ± 10% of predicted value) and low-altitude residents, becoming hypoxemic (i.e., SpO(2) < 94%) during a short stay at 3100 m (Too-Ashu, Kyrgyzstan). …”
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    Validation of Noninvasive Assessment of Pulmonary Gas Exchange in Patients with Chronic Obstructive Pulmonary Disease during Initial Exposure to High Altitude
  20. 20
    “…INTRODUCTION: We investigated whether nocturnal oxygen therapy (NOT) mitigates the increase of pulmonary artery pressure in patients during daytime with chronic obstructive pulmonary disease (COPD) traveling to altitude. METHODS: Patients with COPD living below 800 m underwent examinations at 490 m and during two sojourns at 2,048 m (with a washout period of 2 weeks < 800 m between altitude sojourns). …”
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    Effect of Nocturnal Oxygen Therapy on Daytime Pulmonary Hemodynamics in Patients With Chronic Obstructive Pulmonary Disease Traveling to Altitude: A Randomized Controlled Trial
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