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The effects of oxygen-enriched rooms on blood oxygen saturation and heart rate in plateau migrants
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Bin LI1, Lu-yan XING2, Jia-wen ZHAO1, Liang GAO1, Zhen-de HA1
Modern Preventive Medicine | 2025, 52(19) : 3526 - 3529
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Modern Preventive Medicine | 2025, 52(19): 3526-3529
• Environmental and Occupational Health •
The effects of oxygen-enriched rooms on blood oxygen saturation and heart rate in plateau migrants
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Bin LI1, Lu-yan XING2, Jia-wen ZHAO1, Liang GAO1, Zhen-de HA1
Affiliations
  • Institute of High Altitude Medicine, The 950th Hospital of the People’s Liberation Army, Yecheng, Xinjiang 844900, China
Published: 2025-10-10 doi: 10.20043/j.cnki.MPM.202505441
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Objective To observe the effects of oxygen enrichment on blood oxygen saturation and heart rate in plateau migrants. Methods Oxygen-enriched rooms were created at altitudes of 4 200 m and 5 100 m using different enclosed spaces, maintaining oxygen volume percentages at approximately 25% and 27%, respectively. Changes in blood oxygen saturation and heart rate at different time points before and after oxygen enrichment were compared among subjects. Results Achieving 25%and 27% oxygen concentrations in various enclosed spaces at 4 200 m and 5 100 m required total oxygen volumes of 200-3 840 L, with average oxygen consumption of 32-88.7 L/m3, and maintenance oxygen flow rates of 2-18 L/min. Compared with baseline levels, subjects exhibited significantly increased blood oxygen saturation (P<0.05 or P<0.01) and significantly decreased heart rate (P<0.05 or P<0.01) after oxygen enrichment. Conclusion At 4 200 m and 5 100 m altitudes, increasing oxygen concentrations to 25% and 27%, respectively, can elevate blood oxygen saturation levels and effectively reduce heart rate in subjects. For constructing high-altitude oxygen-enriched rooms, smaller and well-sealed spaces are recommended.

High altitude  /  Oxygen enrichment  /  Oxygen-enriched room  /  Blood oxygen saturation  /  Heart rate
Bin LI, Lu-yan XING, Jia-wen ZHAO, Liang GAO, Zhen-de HA. The effects of oxygen-enriched rooms on blood oxygen saturation and heart rate in plateau migrants[J]. Modern Preventive Medicine, 2025 , 52 (19) : 3526 -3529 . DOI: 10.20043/j.cnki.MPM.202505441
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Year 2025 volume 52 Issue 19
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doi: 10.20043/j.cnki.MPM.202505441
  • Receive Date：2025-05-24
  • Online Date：2026-03-17
  • Published：2025-10-10
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  • Received：2025-05-24
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    Institute of High Altitude Medicine, The 950th Hospital of the People’s Liberation Army, Yecheng, Xinjiang 844900, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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