Acute Mountain Sickness Clinical Trial
Official title:
The Effects of Intermittent Hypoxia on Acute Hypoxic Injury
This study intends to further reveal the effectiveness of intermittent hypoxia in preventing acute hypoxic injury.
Acute exposure to hypoxia can induce acute hypoxic injury (AHI), according to the severity of the injury, it can be divided into acute mountain sickness (AMS), high altitude pulmonary edema (HAPE) and high altitude cerebral edema (HACE). AMS is the most common type, it mostly occurs within 6-12 hours after rapidly entering the altitude above 2500m, sometimes within 1h, and can be manifested as headache, nausea, diarrhea, sleep disorders, etc. The incidence of AMS at the altitude of 2500-3000m is 10-20%, which reaches 50-85% at 4500-5000m above sea level. Intermittent hypoxia (IH) refers to periodic hypoxic-normoxic training performed with brief exposure to hypoxia. Previous studies have found that short-term intermittent hypoxia can increase the sensitivity of hypoxia and reduce the severity of acute hypoxia injury, and alleviate acute hypoxia injury by reducing the inflammatory response caused by hypoxia. Therefore, this study aims to conduct a randomized controlled trial to further reveal the effectiveness of IH and explore its potential mechanisms. ;
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