Research Article
Acute Biochemical, Cardiovascular, and Autonomic Response to Hyperbaric (4 atm) Exposure in Healthy Subjects
Table 4
Autonomic and baroreceptors function before/after hyperbaric exposure. The +/− mean values of standard deviation were presented.
| Parameter | Hyperbaric exposure
| before_exposure | after_exposure | |
| Heart rate variability | LFnu-RRI [%] | | | 0.0013 | HFnu-RRI [%] | | | 0.0013 | PSD-RRI [ms2] | | | 0.0279 | LF/HF-RRI [/1] | | | 0.0123 | LF/HF [/1] | | | 0.0156 |
| Diastolic blood pressure variability | LFnu-dBP [%] | | | 0.0065 | HFnu-dBP [%] | | | 0.0222 | PSD-dBP [mmHg2] | | | 0.4724 | LF/HF-dBP [/1] | | | 0.0057 |
| Systolic blood pressure variability | LFnu-sBP [%] | | | 0.0222 | HFnu-sBP [%] | | | 0.0123 | PSD-sBP [mmHg2] | | | 0.5861 | LF/HF-sBP [/1] | | | 0.0006 |
| Baroreceptors reflex sensitivity | Up-Events [/1] | | | 0.0008 | Down-Events [/1] | | | 0.0026 | Total-Events [/1] | | | 0.0065 | Up-Events Slope
| | | 0.3061 | Down-Events Slope
| | | 0.0597 | Total-Events Slope
| | | 0.2485 |
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