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(Database last updated on Mar 27, 2024)
| ID Number | 2369 | |
| Study Type | Human / Provocation | |
| Model | Humans occupationally exposed to RF fields were tested for acute mountain sickness. | |
| Details | AUTHORS' ABSTRACT: Tang et al. 2013 (IEEE #5551): Radiofrequency electromagnetic field (RF-EMF) can cause adverse effects in living systems. However, it is still unknown whether RF-EMF could affect the incidence of acute mountain sickness (AMS). For study, 171 RF-EMF-exposed subjects (RF-EMF group) and 188 non-RF-EMF-exposed subjects (control group) ascended rapidly from 500 to 3700 m, then further up to 4400 m after one week acclimatization. At 500 m, RF-EMF exposure was assessed and the subjects had no further exposure from the beginning of the ascent. A Lake Louise score self-report questionnaire and physiological parameter measurements were completed prior to and the next morning after arrival at high altitudes. Results showed that RF-EMF exposure of the subjects is below Chinese national standard. Compared with the control group, the incidence and severity of AMS was significantly increased in the RF-EMF group, with increased heart rate (HR), blood pressure (BP), cardiac output (CO), middle cerebral artery blood flow velocity (MCAv) at 3700 m, but lower arterial oxygen saturation (SaO2) and hemoglobin (Hb) level. However, at 4400 m, no significant differences in the above-mentioned variables (except for MCAv, SaO2, and Hb) were observed between two groups. Furthermore, HR (adjusted OR 1.039, CI 1.015-1.064), MCAv (adjusted OR 1.072, CI 1.039-1.106), and RF-EMF exposure (adjusted OR 2.122, CI 1.030-4.373) were positively correlated with AMS. This study suggests that RF-EMF exposure clearly increases the risk of AMS and short-term altitude acclimatization is an effective strategy for the prevention of AMS in the RF-EMF-exposed populations. Additionly, high HR and high MCAv are risk factors for AMS. |
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| Findings | Effects | |
| Status | Completed With Publication | |
| Principal Investigator | ||
| Funding Agency | ????? | |
| Country | CHINA | |
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