Keywords
high altitude; hypoxia; respiratory adaptation; hypoxic ventilatory response; acclimatization; erythropoietin; carotid body; pulmonary physiology; HIF-1alpha; altitude sickness
How to Cite
ADAPTIVE CHANGES IN RESPIRATORY PARAMETERS UNDER HIGH-ALTITUDE HYPOXIA: A SYSTEMATIC REVIEW. (2026). Global Conference on Medical and Health Sciences, 1(4), 615-623. http://econferencia.com/index.php/5/article/view/639
Abstract
Background: Exposure to high-altitude environments (>2500 m above sea level) subjects the human body to progressive hypobaric hypoxia, triggering a complex series of physiological adaptations primarily orchestrated through the respiratory system. These adaptive responses — spanning ventilatory, hematological, and cellular levels — determine individual tolerance to altitude and underlie the pathophysiology of altitude-related illnesses. Objective: This study aimed to systematically review and analyze the adaptive changes in respiratory parameters occurring under high-altitude hypoxic conditions, with emphasis on the temporal sequence of acclimatization and the physiological mechanisms involved. Methods: A systematic review of 10 peer-reviewed studies published between 2012 and 2024 was conducted, encompassing human field studies, controlled hypobaric chamber experiments, and comparative investigations of lowlander versus high-altitude native populations.
References
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