Age-related arrhythmogenesis on ascent and descent: "autonomic conflicts" on hypoxia/reoxygenation at high altitude?
作者： Claus Behn , Gustavo A Dinamarca , Nicole F De Gregorio , Viviana Lips , Ennio A Vivaldi
关键词: Age related 、 Hypoxia (medical) 、 Hypoxia reoxygenation 、 Holter Electrocardiography 、 Effects of high altitude on humans 、 Cardiology 、 Medicine 、 Internal medicine
摘要: Abstract Behn, Claus, Gustavo A. Dinamarca, Nicole F. De Gregorio, Viviana Lips, Ennio Vivaldi, Daniel Soza, Manuel Guerra, Raul Jimenez, Eduardo Lecannelier, Hector Varela, and Juan Silva-Urra. Age-related arrhythmogenesis on ascent descent: “Autonomic conflicts” hypoxia/reoxygenation at high altitude? High Alt Med Biol 15:356–363, 2014.—Purpose: To discern whether high-altitude (HA) may differ depending or descent, as well age. Methods: Male subjects (37.9±12.0 SD y, n=33) were separated into a young (Y) group (29.6±5.73 n=18) an older (O) one (47.9±9.83 n=15). All monitored by Holter electrocardiography while successively ascending (41.2±7.51 min) descending (38.7±6.68 between 2950 5050 m car passengers 25 km road in Northern Chile. Arrhythmic events (AE) ensued when the difference two consecutive RR intervals exceeded 0.16 sec. Results: From 311 AE registered, 29% occurred asce...
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